xref: /aosp_15_r20/external/curl/CMakeLists.txt (revision 6236dae45794135f37c4eb022389c904c8b0090d)
1#***************************************************************************
2#                                  _   _ ____  _
3#  Project                     ___| | | |  _ \| |
4#                             / __| | | | |_) | |
5#                            | (__| |_| |  _ <| |___
6#                             \___|\___/|_| \_\_____|
7#
8# Copyright (C) Daniel Stenberg, <[email protected]>, et al.
9#
10# This software is licensed as described in the file COPYING, which
11# you should have received as part of this distribution. The terms
12# are also available at https://curl.se/docs/copyright.html.
13#
14# You may opt to use, copy, modify, merge, publish, distribute and/or sell
15# copies of the Software, and permit persons to whom the Software is
16# furnished to do so, under the terms of the COPYING file.
17#
18# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19# KIND, either express or implied.
20#
21# SPDX-License-Identifier: curl
22#
23###########################################################################
24# by Tetetest and Sukender (Benoit Neil)
25
26# Note: By default this CMake build script detects the version of some
27# dependencies using `check_symbol_exists`. Those checks do not work in
28# the case that both CURL and its dependency are included as sub-projects
29# in a larger build using `FetchContent`. To support that case, additional
30# variables may be defined by the parent project, ideally in the "extra"
31# find package redirect file:
32# https://cmake.org/cmake/help/latest/module/FetchContent.html#integrating-with-find-package
33#
34# The following variables are available:
35#   HAVE_SSL_SET0_WBIO: `SSL_set0_wbio` present in OpenSSL/wolfSSL
36#   HAVE_OPENSSL_SRP: `SSL_CTX_set_srp_username` present in OpenSSL/wolfSSL
37#   HAVE_GNUTLS_SRP: `gnutls_srp_verifier` present in GnuTLS
38#   HAVE_SSL_CTX_SET_QUIC_METHOD: `SSL_CTX_set_quic_method` present in OpenSSL/wolfSSL
39#   HAVE_QUICHE_CONN_SET_QLOG_FD: `quiche_conn_set_qlog_fd` present in quiche
40#   HAVE_ECH: ECH API checks for OpenSSL, BoringSSL or wolfSSL
41#
42# For each of the above variables, if the variable is DEFINED (either
43# to ON or OFF), the symbol detection is skipped.  If the variable is
44# NOT DEFINED, the symbol detection is performed.
45
46cmake_minimum_required(VERSION 3.7...3.16 FATAL_ERROR)
47message(STATUS "Using CMake version ${CMAKE_VERSION}")
48
49# Collect command-line arguments for buildinfo.txt.
50# Must reside at the top of the script to work as expected.
51get_cmake_property(_cache_vars CACHE_VARIABLES)
52unset(_cmake_args)
53foreach(_cache_var ${_cache_vars})
54  get_property(_cache_var_helpstring CACHE ${_cache_var} PROPERTY HELPSTRING)
55  if(_cache_var_helpstring STREQUAL "No help, variable specified on the command line.")
56    get_property(_cache_var_type CACHE ${_cache_var} PROPERTY TYPE)
57    if(_cache_var_type STREQUAL "UNINITIALIZED")
58      set(_cache_var_type)
59    else()
60      set(_cache_var_type ":${_cache_var_type}")
61    endif()
62    set(_cmake_args "${_cmake_args} -D${_cache_var}${_cache_var_type}=\"${${_cache_var}}\"")
63  endif()
64endforeach()
65
66function(curl_dumpvars)  # Dump all defined variables with their values
67  message("::group::CMake Variable Dump")
68  get_cmake_property(_vars VARIABLES)
69  foreach(_var ${_vars})
70    message("${_var} = ${${_var}}")
71  endforeach()
72  message("::endgroup::")
73endfunction()
74
75set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
76include(Utilities)
77include(Macros)
78include(CMakeDependentOption)
79include(CheckCCompilerFlag)
80
81file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/curl/curlver.h" _curl_version_h_contents REGEX "#define LIBCURL_VERSION( |_NUM )")
82string(REGEX MATCH "#define LIBCURL_VERSION \"[^\"]*" _curl_version ${_curl_version_h_contents})
83string(REGEX REPLACE "[^\"]+\"" "" _curl_version ${_curl_version})
84string(REGEX MATCH "#define LIBCURL_VERSION_NUM 0x[0-9a-fA-F]+" _curl_version_num ${_curl_version_h_contents})
85string(REGEX REPLACE "[^0]+0x" "" _curl_version_num ${_curl_version_num})
86unset(_curl_version_h_contents)
87
88message(STATUS "curl version=[${_curl_version}]")
89
90string(REGEX REPLACE "([0-9]+\.[0-9]+\.[0-9]+).+" "\\1" _curl_version_sem "${_curl_version}")
91project(CURL
92  VERSION "${_curl_version_sem}"
93  LANGUAGES C)
94
95unset(_target_flags)
96if(APPLE)
97  set(_target_flags "${_target_flags} APPLE")
98endif()
99if(UNIX)
100  set(_target_flags "${_target_flags} UNIX")
101endif()
102if(BSD)
103  set(_target_flags "${_target_flags} BSD")
104endif()
105if(WIN32)
106  set(_target_flags "${_target_flags} WIN32")
107endif()
108if(CYGWIN)
109  set(_target_flags "${_target_flags} CYGWIN")
110endif()
111if(MSYS)
112  set(_target_flags "${_target_flags} MSYS")
113endif()
114if(CMAKE_COMPILER_IS_GNUCC)
115  set(_target_flags "${_target_flags} GCC")
116endif()
117if(MINGW)
118  set(_target_flags "${_target_flags} MINGW")
119endif()
120if(MSVC)
121  set(_target_flags "${_target_flags} MSVC")
122endif()
123if(VCPKG_TOOLCHAIN)
124  set(_target_flags "${_target_flags} VCPKG")
125endif()
126if(CMAKE_CROSSCOMPILING)
127  set(_target_flags "${_target_flags} CROSS")
128endif()
129message(STATUS "CMake platform flags:${_target_flags}")
130
131if(CMAKE_CROSSCOMPILING)
132  message(STATUS "Cross-compiling: "
133    "${CMAKE_HOST_SYSTEM_NAME}/${CMAKE_HOST_SYSTEM_PROCESSOR} -> "
134    "${CMAKE_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR}")
135endif()
136
137if(CMAKE_C_COMPILER_TARGET)
138  set(CURL_OS "\"${CMAKE_C_COMPILER_TARGET}\"")
139else()
140  set(CURL_OS "\"${CMAKE_SYSTEM_NAME}\"")
141endif()
142
143include_directories("${PROJECT_SOURCE_DIR}/include")
144
145if(NOT DEFINED CMAKE_UNITY_BUILD_BATCH_SIZE)
146  set(CMAKE_UNITY_BUILD_BATCH_SIZE 0)
147endif()
148
149option(CURL_WERROR "Turn compiler warnings into errors" OFF)
150option(PICKY_COMPILER "Enable picky compiler options" ON)
151option(BUILD_CURL_EXE "Build curl executable" ON)
152option(BUILD_SHARED_LIBS "Build shared libraries" ON)
153option(BUILD_STATIC_LIBS "Build static libraries" OFF)
154option(BUILD_STATIC_CURL "Build curl executable with static libcurl" OFF)
155option(ENABLE_ARES "Enable c-ares support" OFF)
156option(CURL_DISABLE_INSTALL "Disable installation targets" OFF)
157
158if(WIN32)
159  option(CURL_STATIC_CRT "Build libcurl with static CRT with MSVC (/MT)" OFF)
160  if(CURL_STATIC_CRT AND MSVC)
161    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
162    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
163    set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
164  endif()
165
166  option(ENABLE_UNICODE "Use the Unicode version of the Windows API functions" OFF)
167  if(ENABLE_UNICODE)
168    add_definitions("-DUNICODE" "-D_UNICODE")
169    if(MINGW)
170      add_compile_options("-municode")
171    endif()
172  endif()
173
174  list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DWIN32_LEAN_AND_MEAN")  # Apply to all feature checks
175
176  set(CURL_TARGET_WINDOWS_VERSION "" CACHE STRING "Minimum target Windows version as hex string")
177  if(CURL_TARGET_WINDOWS_VERSION)
178    add_definitions("-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
179    list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")  # Apply to all feature checks
180  endif()
181
182  # Detect actual value of _WIN32_WINNT and store as HAVE_WIN32_WINNT
183  curl_internal_test(HAVE_WIN32_WINNT)
184  if(HAVE_WIN32_WINNT)
185    string(REGEX MATCH ".*_WIN32_WINNT=0x[0-9a-fA-F]+" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
186    string(REGEX REPLACE ".*_WIN32_WINNT=" "" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
187    string(REGEX REPLACE "0x([0-9a-f][0-9a-f][0-9a-f])$" "0x0\\1" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")  # pad to 4 digits
188    string(TOLOWER "${CURL_TEST_OUTPUT}" HAVE_WIN32_WINNT)
189    message(STATUS "Found _WIN32_WINNT=${HAVE_WIN32_WINNT}")
190  endif()
191  # Avoid storing HAVE_WIN32_WINNT in CMake cache
192  unset(HAVE_WIN32_WINNT CACHE)
193endif()
194option(CURL_LTO "Enable compiler Link Time Optimizations" OFF)
195
196cmake_dependent_option(ENABLE_THREADED_RESOLVER "Enable threaded DNS lookup"
197  ON "NOT ENABLE_ARES"
198  OFF)
199
200include(PickyWarnings)
201
202if(CMAKE_SYSTEM_NAME MATCHES "Linux")
203  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE")  # Required for sendmmsg()
204endif()
205
206option(ENABLE_DEBUG "Enable curl debug features (for developing curl itself)" OFF)
207if(ENABLE_DEBUG)
208  message(WARNING "This curl build is Debug-enabled, do not use in production.")
209endif()
210option(ENABLE_CURLDEBUG "Enable TrackMemory debug feature" ${ENABLE_DEBUG})
211
212if(MSVC)
213  set(ENABLE_CURLDEBUG OFF)  # FIXME: TrackMemory + MSVC fails test 558 and 1330. Tested with static build, Debug mode.
214endif()
215
216if(ENABLE_DEBUG)
217  set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "DEBUGBUILD")
218endif()
219
220if(ENABLE_CURLDEBUG)
221  set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "CURLDEBUG")
222endif()
223
224# For debug libs and exes, add "-d" postfix
225if(NOT DEFINED CMAKE_DEBUG_POSTFIX)
226  set(CMAKE_DEBUG_POSTFIX "-d")
227endif()
228
229set(LIB_STATIC "libcurl_static")
230set(LIB_SHARED "libcurl_shared")
231
232if(NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
233  set(BUILD_STATIC_LIBS ON)
234endif()
235if(NOT BUILD_STATIC_CURL AND NOT BUILD_SHARED_LIBS)
236  set(BUILD_STATIC_CURL ON)
237elseif(BUILD_STATIC_CURL AND NOT BUILD_STATIC_LIBS)
238  set(BUILD_STATIC_CURL OFF)
239endif()
240
241# Lib flavour selected for curl tool
242if(BUILD_STATIC_CURL)
243  set(LIB_SELECTED_FOR_EXE ${LIB_STATIC})
244else()
245  set(LIB_SELECTED_FOR_EXE ${LIB_SHARED})
246endif()
247
248# Lib flavour selected for example and test programs.
249if(BUILD_SHARED_LIBS)
250  set(LIB_SELECTED ${LIB_SHARED})
251else()
252  set(LIB_SELECTED ${LIB_STATIC})
253endif()
254
255# Override to force-disable or force-enable the use of pkg-config.
256if(UNIX OR VCPKG_TOOLCHAIN OR (MINGW AND NOT CMAKE_CROSSCOMPILING))  # Keep in sync with CMake/curl-config.cmake.in
257  set(_curl_use_pkgconfig_default ON)
258else()
259  set(_curl_use_pkgconfig_default OFF)
260endif()
261option(CURL_USE_PKGCONFIG "Enable pkg-config to detect dependencies" ${_curl_use_pkgconfig_default})
262
263# Initialize variables collecting dependency libs, paths, pkg-config names.
264set(CURL_LIBS "")
265set(CURL_LIBDIRS "")
266set(LIBCURL_PC_REQUIRES_PRIVATE "")
267
268if(ENABLE_ARES)
269  set(USE_ARES 1)
270  find_package(Cares REQUIRED)
271  list(APPEND CURL_LIBS ${CARES_LIBRARIES})
272  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libcares")
273  add_definitions("-DCARES_NO_DEPRECATED")  # Ignore c-ares deprecation warnings
274endif()
275
276include(CurlSymbolHiding)
277
278option(CURL_ENABLE_EXPORT_TARGET "Enable CMake export target" ON)
279mark_as_advanced(CURL_ENABLE_EXPORT_TARGET)
280
281option(CURL_DISABLE_ALTSVC "Disable alt-svc support" OFF)
282mark_as_advanced(CURL_DISABLE_ALTSVC)
283option(CURL_DISABLE_SRP "Disable TLS-SRP support" OFF)
284mark_as_advanced(CURL_DISABLE_SRP)
285option(CURL_DISABLE_COOKIES "Disable cookies support" OFF)
286mark_as_advanced(CURL_DISABLE_COOKIES)
287option(CURL_DISABLE_BASIC_AUTH "Disable Basic authentication" OFF)
288mark_as_advanced(CURL_DISABLE_BASIC_AUTH)
289option(CURL_DISABLE_BEARER_AUTH "Disable Bearer authentication" OFF)
290mark_as_advanced(CURL_DISABLE_BEARER_AUTH)
291option(CURL_DISABLE_DIGEST_AUTH "Disable Digest authentication" OFF)
292mark_as_advanced(CURL_DISABLE_DIGEST_AUTH)
293option(CURL_DISABLE_KERBEROS_AUTH "Disable Kerberos authentication" OFF)
294mark_as_advanced(CURL_DISABLE_KERBEROS_AUTH)
295option(CURL_DISABLE_NEGOTIATE_AUTH "Disable negotiate authentication" OFF)
296mark_as_advanced(CURL_DISABLE_NEGOTIATE_AUTH)
297option(CURL_DISABLE_AWS "Disable aws-sigv4" OFF)
298mark_as_advanced(CURL_DISABLE_AWS)
299option(CURL_DISABLE_DICT "Disable DICT" OFF)
300mark_as_advanced(CURL_DISABLE_DICT)
301option(CURL_DISABLE_DOH "Disable DNS-over-HTTPS" OFF)
302mark_as_advanced(CURL_DISABLE_DOH)
303option(CURL_DISABLE_FILE "Disable FILE" OFF)
304mark_as_advanced(CURL_DISABLE_FILE)
305option(CURL_DISABLE_FTP "Disable FTP" OFF)
306mark_as_advanced(CURL_DISABLE_FTP)
307option(CURL_DISABLE_GETOPTIONS "Disable curl_easy_options API for existing options to curl_easy_setopt" OFF)
308mark_as_advanced(CURL_DISABLE_GETOPTIONS)
309option(CURL_DISABLE_GOPHER "Disable Gopher" OFF)
310mark_as_advanced(CURL_DISABLE_GOPHER)
311option(CURL_DISABLE_HEADERS_API "Disable headers-api support" OFF)
312mark_as_advanced(CURL_DISABLE_HEADERS_API)
313option(CURL_DISABLE_HSTS "Disable HSTS support" OFF)
314mark_as_advanced(CURL_DISABLE_HSTS)
315option(CURL_DISABLE_HTTP "Disable HTTP" OFF)
316mark_as_advanced(CURL_DISABLE_HTTP)
317option(CURL_DISABLE_HTTP_AUTH "Disable all HTTP authentication methods" OFF)
318mark_as_advanced(CURL_DISABLE_HTTP_AUTH)
319option(CURL_DISABLE_IMAP "Disable IMAP" OFF)
320mark_as_advanced(CURL_DISABLE_IMAP)
321option(CURL_DISABLE_LDAP "Disable LDAP" OFF)
322mark_as_advanced(CURL_DISABLE_LDAP)
323option(CURL_DISABLE_LDAPS "Disable LDAPS" ${CURL_DISABLE_LDAP})
324mark_as_advanced(CURL_DISABLE_LDAPS)
325option(CURL_DISABLE_LIBCURL_OPTION "Disable --libcurl option from the curl tool" OFF)
326mark_as_advanced(CURL_DISABLE_LIBCURL_OPTION)
327option(CURL_DISABLE_MIME "Disable MIME support" OFF)
328mark_as_advanced(CURL_DISABLE_MIME)
329cmake_dependent_option(CURL_DISABLE_FORM_API "Disable form-api"
330  OFF "NOT CURL_DISABLE_MIME"
331  ON)
332mark_as_advanced(CURL_DISABLE_FORM_API)
333option(CURL_DISABLE_MQTT "Disable MQTT" OFF)
334mark_as_advanced(CURL_DISABLE_MQTT)
335option(CURL_DISABLE_BINDLOCAL "Disable local binding support" OFF)
336mark_as_advanced(CURL_DISABLE_BINDLOCAL)
337option(CURL_DISABLE_NETRC "Disable netrc parser" OFF)
338mark_as_advanced(CURL_DISABLE_NETRC)
339option(CURL_DISABLE_NTLM "Disable NTLM support" OFF)
340mark_as_advanced(CURL_DISABLE_NTLM)
341option(CURL_DISABLE_PARSEDATE "Disable date parsing" OFF)
342mark_as_advanced(CURL_DISABLE_PARSEDATE)
343option(CURL_DISABLE_POP3 "Disable POP3" OFF)
344mark_as_advanced(CURL_DISABLE_POP3)
345option(CURL_DISABLE_PROGRESS_METER "Disable built-in progress meter" OFF)
346mark_as_advanced(CURL_DISABLE_PROGRESS_METER)
347option(CURL_DISABLE_PROXY "Disable proxy support" OFF)
348mark_as_advanced(CURL_DISABLE_PROXY)
349option(CURL_DISABLE_IPFS "Disable IPFS" OFF)
350mark_as_advanced(CURL_DISABLE_IPFS)
351option(CURL_DISABLE_RTSP "Disable RTSP" OFF)
352mark_as_advanced(CURL_DISABLE_SHA512_256)
353option(CURL_DISABLE_SHA512_256 "Disable SHA-512/256 hash algorithm" OFF)
354mark_as_advanced(CURL_DISABLE_RTSP)
355option(CURL_DISABLE_SHUFFLE_DNS "Disable shuffle DNS feature" OFF)
356mark_as_advanced(CURL_DISABLE_SHUFFLE_DNS)
357option(CURL_DISABLE_SMB "Disable SMB" OFF)
358mark_as_advanced(CURL_DISABLE_SMB)
359option(CURL_DISABLE_SMTP "Disable SMTP" OFF)
360mark_as_advanced(CURL_DISABLE_SMTP)
361option(CURL_DISABLE_SOCKETPAIR "Disable use of socketpair for curl_multi_poll" OFF)
362mark_as_advanced(CURL_DISABLE_SOCKETPAIR)
363option(CURL_DISABLE_WEBSOCKETS "Disable WebSocket" OFF)
364mark_as_advanced(CURL_DISABLE_WEBSOCKETS)
365option(CURL_DISABLE_TELNET "Disable Telnet" OFF)
366mark_as_advanced(CURL_DISABLE_TELNET)
367option(CURL_DISABLE_TFTP "Disable TFTP" OFF)
368mark_as_advanced(CURL_DISABLE_TFTP)
369option(CURL_DISABLE_VERBOSE_STRINGS "Disable verbose strings" OFF)
370mark_as_advanced(CURL_DISABLE_VERBOSE_STRINGS)
371
372if(CURL_DISABLE_HTTP)
373  set(CURL_DISABLE_IPFS ON)
374  set(CURL_DISABLE_RTSP ON)
375  set(CURL_DISABLE_ALTSVC ON)
376  set(CURL_DISABLE_HSTS ON)
377endif()
378
379# Corresponds to HTTP_ONLY in lib/curl_setup.h
380option(HTTP_ONLY "Disable all protocols except HTTP (This overrides all CURL_DISABLE_* options)" OFF)
381mark_as_advanced(HTTP_ONLY)
382
383if(HTTP_ONLY)
384  set(CURL_DISABLE_DICT ON)
385  set(CURL_DISABLE_FILE ON)
386  set(CURL_DISABLE_FTP ON)
387  set(CURL_DISABLE_GOPHER ON)
388  set(CURL_DISABLE_IMAP ON)
389  set(CURL_DISABLE_LDAP ON)
390  set(CURL_DISABLE_LDAPS ON)
391  set(CURL_DISABLE_MQTT ON)
392  set(CURL_DISABLE_POP3 ON)
393  set(CURL_DISABLE_IPFS ON)
394  set(CURL_DISABLE_RTSP ON)
395  set(CURL_DISABLE_SMB ON)
396  set(CURL_DISABLE_SMTP ON)
397  set(CURL_DISABLE_TELNET ON)
398  set(CURL_DISABLE_TFTP ON)
399endif()
400
401if(WINDOWS_STORE)
402  set(CURL_DISABLE_TELNET ON)  # telnet code needs fixing to compile for UWP.
403endif()
404
405option(ENABLE_IPV6 "Enable IPv6 support" ON)
406mark_as_advanced(ENABLE_IPV6)
407if(ENABLE_IPV6 AND NOT WIN32)
408  include(CheckStructHasMember)
409  check_struct_has_member("struct sockaddr_in6" "sin6_addr" "netinet/in.h" HAVE_SOCKADDR_IN6_SIN6_ADDR)
410  check_struct_has_member("struct sockaddr_in6" "sin6_scope_id" "netinet/in.h" HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID)
411  if(NOT HAVE_SOCKADDR_IN6_SIN6_ADDR)
412    message(WARNING "struct sockaddr_in6 not available, disabling IPv6 support")
413    # Force the feature off as this name is used as guard macro...
414    set(ENABLE_IPV6 OFF CACHE BOOL "Enable IPv6 support" FORCE)
415  endif()
416
417  if(APPLE AND NOT ENABLE_ARES)
418    set(_use_core_foundation_and_core_services ON)
419
420    find_library(SYSTEMCONFIGURATION_FRAMEWORK "SystemConfiguration")
421    mark_as_advanced(SYSTEMCONFIGURATION_FRAMEWORK)
422    if(NOT SYSTEMCONFIGURATION_FRAMEWORK)
423      message(FATAL_ERROR "SystemConfiguration framework not found")
424    endif()
425
426    list(APPEND CURL_LIBS "-framework SystemConfiguration")
427  endif()
428endif()
429if(ENABLE_IPV6)
430  set(USE_IPV6 ON)
431endif()
432
433find_package(Perl)
434
435option(BUILD_LIBCURL_DOCS "Build libcurl man pages" ON)
436option(BUILD_MISC_DOCS "Build misc man pages (e.g. curl-config and mk-ca-bundle)" ON)
437option(ENABLE_CURL_MANUAL "Build the man page for curl and enable its -M/--manual option" ON)
438
439if(ENABLE_CURL_MANUAL OR BUILD_LIBCURL_DOCS)
440  if(PERL_FOUND)
441    set(HAVE_MANUAL_TOOLS ON)
442  endif()
443  if(NOT HAVE_MANUAL_TOOLS)
444    message(WARNING "Perl not found. Will not build manuals.")
445  endif()
446endif()
447
448# Disable warnings on Borland to avoid changing 3rd party code.
449if(BORLAND)
450  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
451endif()
452
453# If we are on AIX, do the _ALL_SOURCE magic
454if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
455  add_definitions("-D_ALL_SOURCE")
456endif()
457
458# If we are on Haiku, make sure that the network library is brought in.
459if(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
460  list(APPEND CURL_LIBS "network")
461endif()
462
463# Include all the necessary files for macros
464include(CMakePushCheckState)
465include(CheckFunctionExists)
466include(CheckIncludeFile)
467include(CheckIncludeFiles)
468include(CheckLibraryExists)
469include(CheckSymbolExists)
470include(CheckTypeSize)
471include(CheckCSourceCompiles)
472
473# Preload settings on Windows
474if(WIN32)
475  include("${CMAKE_CURRENT_SOURCE_DIR}/CMake/Platforms/WindowsCache.cmake")
476endif()
477
478if(ENABLE_THREADED_RESOLVER)
479  if(WIN32)
480    set(USE_THREADS_WIN32 ON)
481  else()
482    find_package(Threads REQUIRED)
483    set(USE_THREADS_POSIX ${CMAKE_USE_PTHREADS_INIT})
484    set(HAVE_PTHREAD_H ${CMAKE_USE_PTHREADS_INIT})
485    list(APPEND CURL_LIBS ${CMAKE_THREAD_LIBS_INIT})
486  endif()
487endif()
488
489# Check for all needed libraries
490if(NOT WIN32)
491  check_library_exists("socket" "connect" "" HAVE_LIBSOCKET)
492  if(HAVE_LIBSOCKET)
493    set(CURL_LIBS "socket;${CURL_LIBS}")
494  endif()
495endif()
496
497check_function_exists("gethostname" HAVE_GETHOSTNAME)
498
499if(WIN32)
500  list(APPEND CURL_LIBS "ws2_32" "bcrypt")
501endif()
502
503# Check SSL libraries
504option(CURL_ENABLE_SSL "Enable SSL support" ON)
505
506if(CURL_DEFAULT_SSL_BACKEND)
507  set(_valid_default_ssl_backend FALSE)
508endif()
509
510if(APPLE)
511  cmake_dependent_option(CURL_USE_SECTRANSP "Enable Apple OS native SSL/TLS (Secure Transport)" OFF CURL_ENABLE_SSL OFF)
512endif()
513if(WIN32)
514  cmake_dependent_option(CURL_USE_SCHANNEL "Enable Windows native SSL/TLS (Schannel)" OFF CURL_ENABLE_SSL OFF)
515  option(CURL_WINDOWS_SSPI "Enable SSPI on Windows" ${CURL_USE_SCHANNEL})
516endif()
517cmake_dependent_option(CURL_USE_MBEDTLS "Enable mbedTLS for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
518cmake_dependent_option(CURL_USE_BEARSSL "Enable BearSSL for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
519cmake_dependent_option(CURL_USE_WOLFSSL "Enable wolfSSL for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
520cmake_dependent_option(CURL_USE_GNUTLS "Enable GnuTLS for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
521cmake_dependent_option(CURL_USE_RUSTLS "Enable Rustls for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
522
523if(WIN32 OR
524   CURL_USE_SECTRANSP OR
525   CURL_USE_SCHANNEL OR
526   CURL_USE_MBEDTLS OR
527   CURL_USE_BEARSSL OR
528   CURL_USE_WOLFSSL OR
529   CURL_USE_GNUTLS OR
530   CURL_USE_RUSTLS)
531  set(_openssl_default OFF)
532else()
533  set(_openssl_default ON)
534endif()
535cmake_dependent_option(CURL_USE_OPENSSL "Enable OpenSSL for SSL/TLS" ${_openssl_default} CURL_ENABLE_SSL OFF)
536option(USE_OPENSSL_QUIC "Use OpenSSL and nghttp3 libraries for HTTP/3 support" OFF)
537if(USE_OPENSSL_QUIC AND NOT CURL_USE_OPENSSL)
538  message(WARNING "OpenSSL QUIC has been requested, but without enabling OpenSSL. Will not enable QUIC.")
539  set(USE_OPENSSL_QUIC OFF)
540endif()
541option(CURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG "Disable automatic loading of OpenSSL configuration" OFF)
542
543count_true(_enabled_ssl_options_count
544  CURL_USE_SCHANNEL
545  CURL_USE_SECTRANSP
546  CURL_USE_OPENSSL
547  CURL_USE_MBEDTLS
548  CURL_USE_BEARSSL
549  CURL_USE_WOLFSSL
550  CURL_USE_GNUTLS
551  CURL_USE_RUSTLS
552)
553if(_enabled_ssl_options_count GREATER 1)
554  set(CURL_WITH_MULTI_SSL ON)
555elseif(_enabled_ssl_options_count EQUAL 0)
556  set(CURL_DISABLE_HSTS ON)
557endif()
558
559if(CURL_USE_SCHANNEL)
560  set(_ssl_enabled ON)
561  set(USE_SCHANNEL ON)  # Windows native SSL/TLS support
562  set(USE_WINDOWS_SSPI ON)  # CURL_USE_SCHANNEL implies CURL_WINDOWS_SSPI
563
564  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "schannel")
565    set(_valid_default_ssl_backend TRUE)
566  endif()
567endif()
568if(CURL_WINDOWS_SSPI)
569  set(USE_WINDOWS_SSPI ON)
570endif()
571
572if(CURL_USE_SECTRANSP)
573  set(_use_core_foundation_and_core_services ON)
574
575  find_library(SECURITY_FRAMEWORK "Security")
576  mark_as_advanced(SECURITY_FRAMEWORK)
577  if(NOT SECURITY_FRAMEWORK)
578    message(FATAL_ERROR "Security framework not found")
579  endif()
580
581  set(_ssl_enabled ON)
582  set(USE_SECTRANSP ON)
583  list(APPEND CURL_LIBS "-framework Security")
584
585  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "secure-transport")
586    set(_valid_default_ssl_backend TRUE)
587  endif()
588
589  message(WARNING "Secure Transport does not support TLS 1.3.")
590endif()
591
592if(_use_core_foundation_and_core_services)
593  find_library(COREFOUNDATION_FRAMEWORK "CoreFoundation")
594  mark_as_advanced(COREFOUNDATION_FRAMEWORK)
595  find_library(CORESERVICES_FRAMEWORK "CoreServices")
596  mark_as_advanced(CORESERVICES_FRAMEWORK)
597
598  if(NOT COREFOUNDATION_FRAMEWORK)
599    message(FATAL_ERROR "CoreFoundation framework not found")
600  endif()
601  if(NOT CORESERVICES_FRAMEWORK)
602    message(FATAL_ERROR "CoreServices framework not found")
603  endif()
604
605  list(APPEND CURL_LIBS "-framework CoreFoundation" "-framework CoreServices")
606endif()
607
608if(CURL_USE_OPENSSL)
609  find_package(OpenSSL REQUIRED)
610  set(_ssl_enabled ON)
611  set(USE_OPENSSL ON)
612
613  # Depend on OpenSSL via imported targets. This allows our dependents to
614  # get our dependencies transitively.
615  list(APPEND CURL_LIBS OpenSSL::SSL OpenSSL::Crypto)
616  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "openssl")
617
618  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "openssl")
619    set(_valid_default_ssl_backend TRUE)
620  endif()
621  set(_curl_ca_bundle_supported TRUE)
622
623  cmake_push_check_state()
624  set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
625  if(NOT DEFINED HAVE_BORINGSSL)
626    check_symbol_exists("OPENSSL_IS_BORINGSSL" "openssl/base.h" HAVE_BORINGSSL)
627  endif()
628  if(NOT DEFINED HAVE_AWSLC)
629    check_symbol_exists("OPENSSL_IS_AWSLC" "openssl/base.h" HAVE_AWSLC)
630  endif()
631  cmake_pop_check_state()
632endif()
633
634if(CURL_USE_MBEDTLS)
635  find_package(MbedTLS REQUIRED)
636  set(_ssl_enabled ON)
637  set(USE_MBEDTLS ON)
638  list(APPEND CURL_LIBS ${MBEDTLS_LIBRARIES})
639  list(APPEND CURL_LIBDIRS ${MBEDTLS_LIBRARY_DIRS})
640  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "mbedtls")
641  include_directories(SYSTEM ${MBEDTLS_INCLUDE_DIRS})
642  link_directories(${MBEDTLS_LIBRARY_DIRS})
643  if(MBEDTLS_CFLAGS)
644    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MBEDTLS_CFLAGS}")
645  endif()
646
647  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "mbedtls")
648    set(_valid_default_ssl_backend TRUE)
649  endif()
650  set(_curl_ca_bundle_supported TRUE)
651endif()
652
653if(CURL_USE_BEARSSL)
654  find_package(BearSSL REQUIRED)
655  set(_ssl_enabled ON)
656  set(USE_BEARSSL ON)
657  list(APPEND CURL_LIBS ${BEARSSL_LIBRARIES})
658  include_directories(SYSTEM ${BEARSSL_INCLUDE_DIRS})
659
660  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "bearssl")
661    set(_valid_default_ssl_backend TRUE)
662  endif()
663  set(_curl_ca_bundle_supported TRUE)
664
665  message(WARNING "BearSSL does not support TLS 1.3.")
666endif()
667
668if(CURL_USE_WOLFSSL)
669  find_package(WolfSSL REQUIRED)
670  set(_ssl_enabled ON)
671  set(USE_WOLFSSL ON)
672  list(APPEND CURL_LIBS ${WOLFSSL_LIBRARIES})
673  list(APPEND CURL_LIBDIRS ${WOLFSSL_LIBRARY_DIRS})
674  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "wolfssl")
675  include_directories(SYSTEM ${WOLFSSL_INCLUDE_DIRS})
676  link_directories(${WOLFSSL_LIBRARY_DIRS})
677  if(WOLFSSL_CFLAGS)
678    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WOLFSSL_CFLAGS}")
679  endif()
680
681  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "wolfssl")
682    set(_valid_default_ssl_backend TRUE)
683  endif()
684  set(_curl_ca_bundle_supported TRUE)
685endif()
686
687if(CURL_USE_GNUTLS)
688  if(CURL_USE_PKGCONFIG)
689    find_package(PkgConfig QUIET)
690    pkg_check_modules(GNUTLS "gnutls")
691    if(GNUTLS_FOUND)
692      set(GNUTLS_LIBRARIES ${GNUTLS_LINK_LIBRARIES})
693    endif()
694  endif()
695  if(NOT GNUTLS_FOUND)
696    find_package(GnuTLS REQUIRED)
697  endif()
698  find_package(Nettle REQUIRED)
699  set(_ssl_enabled ON)
700  set(USE_GNUTLS ON)
701  list(APPEND CURL_LIBS ${GNUTLS_LIBRARIES} ${NETTLE_LIBRARIES})
702  list(APPEND CURL_LIBDIRS ${NETTLE_LIBRARY_DIRS})
703  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "gnutls" "nettle")
704  include_directories(SYSTEM ${GNUTLS_INCLUDE_DIRS} ${NETTLE_INCLUDE_DIRS})
705  link_directories(${NETTLE_LIBRARY_DIRS})
706  if(NETTLE_CFLAGS)
707    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${NETTLE_CFLAGS}")
708  endif()
709
710  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "gnutls")
711    set(_valid_default_ssl_backend TRUE)
712  endif()
713  set(_curl_ca_bundle_supported TRUE)
714
715  if(NOT DEFINED HAVE_GNUTLS_SRP AND NOT CURL_DISABLE_SRP)
716    cmake_push_check_state()
717    set(CMAKE_REQUIRED_INCLUDES ${GNUTLS_INCLUDE_DIRS})
718    set(CMAKE_REQUIRED_LIBRARIES ${GNUTLS_LIBRARIES})
719    check_symbol_exists("gnutls_srp_verifier" "gnutls/gnutls.h" HAVE_GNUTLS_SRP)
720    cmake_pop_check_state()
721  endif()
722endif()
723
724if(CURL_USE_RUSTLS)
725  find_package(Rustls REQUIRED)
726  set(_ssl_enabled ON)
727  set(USE_RUSTLS ON)
728  list(APPEND CURL_LIBS ${RUSTLS_LIBRARIES})
729  list(APPEND CURL_LIBDIRS ${RUSTLS_LIBRARY_DIRS})
730  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "rustls")
731  include_directories(SYSTEM ${RUSTLS_INCLUDE_DIRS})
732  link_directories(${RUSTLS_LIBRARY_DIRS})
733  if(RUSTLS_CFLAGS)
734    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${RUSTLS_CFLAGS}")
735  endif()
736
737  if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "rustls")
738    set(_valid_default_ssl_backend TRUE)
739  endif()
740  set(_curl_ca_bundle_supported TRUE)
741endif()
742
743if(CURL_DEFAULT_SSL_BACKEND AND NOT _valid_default_ssl_backend)
744  message(FATAL_ERROR "CURL_DEFAULT_SSL_BACKEND '${CURL_DEFAULT_SSL_BACKEND}' not enabled.")
745endif()
746
747# Keep ZLIB detection after TLS detection,
748# and before calling openssl_check_symbol_exists().
749
750set(HAVE_LIBZ OFF)
751curl_dependency_option(ZLIB)
752if(ZLIB_FOUND)
753  set(HAVE_LIBZ ON)
754
755  # Depend on ZLIB via imported targets. This allows our dependents to
756  # get our dependencies transitively.
757  list(APPEND CURL_LIBS ZLIB::ZLIB)
758  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "zlib")
759endif()
760
761option(CURL_BROTLI "Use brotli" OFF)
762set(HAVE_BROTLI OFF)
763if(CURL_BROTLI)
764  find_package(Brotli REQUIRED)
765  if(BROTLI_FOUND)
766    set(HAVE_BROTLI ON)
767    list(APPEND CURL_LIBS ${BROTLI_LIBRARIES})
768    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libbrotlidec")
769    include_directories(SYSTEM ${BROTLI_INCLUDE_DIRS})
770  endif()
771endif()
772
773option(CURL_ZSTD "Use zstd" OFF)
774set(HAVE_ZSTD OFF)
775if(CURL_ZSTD)
776  find_package(Zstd REQUIRED)
777  if(ZSTD_FOUND AND NOT ZSTD_VERSION VERSION_LESS 1.0.0)
778    set(HAVE_ZSTD ON)
779    list(APPEND CURL_LIBS ${ZSTD_LIBRARIES})
780    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libzstd")
781    include_directories(SYSTEM ${ZSTD_INCLUDE_DIRS})
782  else()
783    message(WARNING "zstd v1.0.0 or newer is required, disabling zstd support.")
784  endif()
785endif()
786
787# Check symbol in an OpenSSL-like TLS backend, or in _extra_libs depending on it.
788macro(openssl_check_symbol_exists _symbol _files _variable _extra_libs)
789  cmake_push_check_state()
790  if(USE_OPENSSL)
791    set(CMAKE_REQUIRED_INCLUDES   "${OPENSSL_INCLUDE_DIR}")
792    set(CMAKE_REQUIRED_LIBRARIES  "${OPENSSL_LIBRARIES}")
793    if(HAVE_LIBZ)
794      list(APPEND CMAKE_REQUIRED_LIBRARIES "${ZLIB_LIBRARIES}")
795    endif()
796    if(WIN32)
797      list(APPEND CMAKE_REQUIRED_LIBRARIES "ws2_32")
798      list(APPEND CMAKE_REQUIRED_LIBRARIES "bcrypt")  # for OpenSSL/LibreSSL
799    endif()
800  elseif(USE_WOLFSSL)
801    set(CMAKE_REQUIRED_INCLUDES   "${WOLFSSL_INCLUDE_DIRS}")
802    set(CMAKE_REQUIRED_LIBRARIES  "${WOLFSSL_LIBRARIES}")
803    curl_required_libpaths("${WOLFSSL_LIBRARY_DIRS}")
804    if(HAVE_LIBZ)
805      list(APPEND CMAKE_REQUIRED_INCLUDES  "${ZLIB_INCLUDE_DIRS}")  # Public wolfSSL headers require zlib headers
806      list(APPEND CMAKE_REQUIRED_LIBRARIES "${ZLIB_LIBRARIES}")
807    endif()
808    if(WIN32)
809      list(APPEND CMAKE_REQUIRED_LIBRARIES "ws2_32" "crypt32")
810    endif()
811    list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_UINTPTR_T")  # to pull in stdint.h (as of wolfSSL v5.5.4)
812  endif()
813  list(APPEND CMAKE_REQUIRED_LIBRARIES "${_extra_libs}")
814  check_symbol_exists("${_symbol}" "${_files}" "${_variable}")
815  cmake_pop_check_state()
816endmacro()
817
818# Ensure that the OpenSSL fork actually supports QUIC.
819macro(openssl_check_quic)
820  if(NOT DEFINED HAVE_SSL_CTX_SET_QUIC_METHOD)
821    if(USE_OPENSSL)
822      openssl_check_symbol_exists("SSL_CTX_set_quic_method" "openssl/ssl.h" HAVE_SSL_CTX_SET_QUIC_METHOD "")
823    elseif(USE_WOLFSSL)
824      openssl_check_symbol_exists("wolfSSL_set_quic_method" "wolfssl/options.h;wolfssl/openssl/ssl.h"
825        HAVE_SSL_CTX_SET_QUIC_METHOD "")
826    endif()
827  endif()
828  if(NOT HAVE_SSL_CTX_SET_QUIC_METHOD)
829    message(FATAL_ERROR "QUIC support is missing in OpenSSL fork. Try setting -DOPENSSL_ROOT_DIR")
830  endif()
831endmacro()
832
833if(USE_WOLFSSL)
834  openssl_check_symbol_exists("wolfSSL_DES_ecb_encrypt" "wolfssl/openssl/des.h" HAVE_WOLFSSL_DES_ECB_ENCRYPT "")
835  openssl_check_symbol_exists("wolfSSL_BIO_new" "wolfssl/ssl.h" HAVE_WOLFSSL_BIO "")
836  openssl_check_symbol_exists("wolfSSL_BIO_set_shutdown" "wolfssl/ssl.h" HAVE_WOLFSSL_FULL_BIO "")
837endif()
838
839if(USE_OPENSSL OR USE_WOLFSSL)
840  if(NOT DEFINED HAVE_SSL_SET0_WBIO)
841    openssl_check_symbol_exists("SSL_set0_wbio" "openssl/ssl.h" HAVE_SSL_SET0_WBIO "")
842  endif()
843  if(NOT DEFINED HAVE_OPENSSL_SRP AND NOT CURL_DISABLE_SRP)
844    openssl_check_symbol_exists("SSL_CTX_set_srp_username" "openssl/ssl.h" HAVE_OPENSSL_SRP "")
845  endif()
846endif()
847
848option(USE_HTTPSRR "Enable HTTPS RR support for ECH (experimental)" OFF)
849option(USE_ECH "Enable ECH support" OFF)
850if(USE_ECH)
851  if(USE_OPENSSL OR USE_WOLFSSL)
852    # Be sure that the TLS library actually supports ECH.
853    if(NOT DEFINED HAVE_ECH)
854      if(USE_OPENSSL AND HAVE_BORINGSSL)
855        openssl_check_symbol_exists("SSL_set1_ech_config_list" "openssl/ssl.h" HAVE_ECH "")
856      elseif(USE_OPENSSL)
857        openssl_check_symbol_exists("SSL_ech_set1_echconfig" "openssl/ech.h" HAVE_ECH "")
858      elseif(USE_WOLFSSL)
859        openssl_check_symbol_exists("wolfSSL_CTX_GenerateEchConfig" "wolfssl/options.h;wolfssl/ssl.h" HAVE_ECH "")
860      endif()
861    endif()
862    if(NOT HAVE_ECH)
863      message(FATAL_ERROR "ECH support missing in OpenSSL/BoringSSL/wolfSSL")
864    else()
865      message(STATUS "ECH enabled.")
866    endif()
867  else()
868    message(FATAL_ERROR "ECH requires ECH-enablded OpenSSL, BoringSSL or wolfSSL")
869  endif()
870endif()
871
872option(USE_NGHTTP2 "Use nghttp2 library" ON)
873if(USE_NGHTTP2)
874  find_package(NGHTTP2)
875  if(NGHTTP2_FOUND)
876    include_directories(SYSTEM ${NGHTTP2_INCLUDE_DIRS})
877    list(APPEND CURL_LIBS ${NGHTTP2_LIBRARIES})
878    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libnghttp2")
879  else()
880    set(USE_NGHTTP2 OFF)
881  endif()
882endif()
883
884option(USE_NGTCP2 "Use ngtcp2 and nghttp3 libraries for HTTP/3 support" OFF)
885if(USE_NGTCP2)
886  if(USE_OPENSSL OR USE_WOLFSSL)
887    if(USE_WOLFSSL)
888      find_package(NGTCP2 REQUIRED "wolfSSL")
889      list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libngtcp2_crypto_wolfssl")
890    elseif(HAVE_BORINGSSL OR HAVE_AWSLC)
891      find_package(NGTCP2 REQUIRED "BoringSSL")
892      list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libngtcp2_crypto_boringssl")
893    else()
894      find_package(NGTCP2 REQUIRED "quictls")
895      list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libngtcp2_crypto_quictls")
896    endif()
897    openssl_check_quic()
898  elseif(USE_GNUTLS)
899    find_package(NGTCP2 REQUIRED "GnuTLS")
900    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libngtcp2_crypto_gnutls")
901  else()
902    message(FATAL_ERROR "ngtcp2 requires OpenSSL, wolfSSL or GnuTLS")
903  endif()
904  include_directories(SYSTEM ${NGTCP2_INCLUDE_DIRS})
905  list(APPEND CURL_LIBS ${NGTCP2_LIBRARIES})
906  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libngtcp2")
907
908  find_package(NGHTTP3 REQUIRED)
909  set(USE_NGHTTP3 ON)
910  include_directories(SYSTEM ${NGHTTP3_INCLUDE_DIRS})
911  list(APPEND CURL_LIBS ${NGHTTP3_LIBRARIES})
912  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libnghttp3")
913endif()
914
915option(USE_QUICHE "Use quiche library for HTTP/3 support" OFF)
916if(USE_QUICHE)
917  if(USE_NGTCP2)
918    message(FATAL_ERROR "Only one HTTP/3 backend can be selected")
919  endif()
920  find_package(Quiche REQUIRED)
921  if(NOT HAVE_BORINGSSL)
922    message(FATAL_ERROR "quiche requires BoringSSL")
923  endif()
924  openssl_check_quic()
925  list(APPEND CURL_LIBS ${QUICHE_LIBRARIES})
926  list(APPEND CURL_LIBDIRS ${QUICHE_LIBRARY_DIRS})
927  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "quiche")
928  include_directories(SYSTEM ${QUICHE_INCLUDE_DIRS})
929  link_directories(${QUICHE_LIBRARY_DIRS})
930  if(QUICHE_CFLAGS)
931    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${QUICHE_CFLAGS}")
932  endif()
933  if(NOT DEFINED HAVE_QUICHE_CONN_SET_QLOG_FD)
934    cmake_push_check_state()
935    set(CMAKE_REQUIRED_INCLUDES   "${QUICHE_INCLUDE_DIRS}")
936    set(CMAKE_REQUIRED_LIBRARIES  "${QUICHE_LIBRARIES}")
937    check_symbol_exists("quiche_conn_set_qlog_fd" "quiche.h" HAVE_QUICHE_CONN_SET_QLOG_FD)
938    cmake_pop_check_state()
939  endif()
940endif()
941
942option(USE_MSH3 "Use msh3/msquic library for HTTP/3 support" OFF)
943if(USE_MSH3)
944  if(USE_NGTCP2 OR USE_QUICHE)
945    message(FATAL_ERROR "Only one HTTP/3 backend can be selected")
946  endif()
947  if(NOT WIN32)
948    if(NOT USE_OPENSSL)
949      message(FATAL_ERROR "msh3/msquic requires OpenSSL fork with QUIC API")
950    endif()
951    openssl_check_quic()
952  endif()
953  find_package(MSH3 REQUIRED)
954  list(APPEND CURL_LIBS ${MSH3_LIBRARIES})
955  list(APPEND CURL_LIBDIRS ${MSH3_LIBRARY_DIRS})
956  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libmsh3")
957  include_directories(SYSTEM ${MSH3_INCLUDE_DIRS})
958  link_directories(${MSH3_LIBRARY_DIRS})
959  if(MSH3_CFLAGS)
960    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MSH3_CFLAGS}")
961  endif()
962endif()
963
964if(USE_OPENSSL_QUIC)
965  if(USE_NGTCP2 OR USE_QUICHE OR USE_MSH3)
966    message(FATAL_ERROR "Only one HTTP/3 backend can be selected")
967  endif()
968  find_package(OpenSSL 3.3.0 REQUIRED)
969
970  find_package(NGHTTP3 REQUIRED)
971  set(USE_NGHTTP3 ON)
972  include_directories(SYSTEM ${NGHTTP3_INCLUDE_DIRS})
973  list(APPEND CURL_LIBS ${NGHTTP3_LIBRARIES})
974  list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libnghttp3")
975endif()
976
977if(CURL_WITH_MULTI_SSL AND (USE_NGTCP2 OR USE_QUICHE OR USE_MSH3 OR USE_OPENSSL_QUIC))
978  message(FATAL_ERROR "MultiSSL cannot be enabled with HTTP/3 and vice versa.")
979endif()
980
981if(NOT CURL_DISABLE_SRP AND (HAVE_GNUTLS_SRP OR HAVE_OPENSSL_SRP))
982  set(USE_TLS_SRP 1)
983endif()
984
985if(NOT CURL_DISABLE_LDAP)
986  if(WIN32 AND NOT WINDOWS_STORE)
987    option(USE_WIN32_LDAP "Use Windows LDAP implementation" ON)
988    if(USE_WIN32_LDAP)
989      list(APPEND CURL_LIBS "wldap32")
990      if(NOT CURL_DISABLE_LDAPS)
991        set(HAVE_LDAP_SSL ON)
992      endif()
993    endif()
994  endif()
995
996  # Now that we know, we are not using Windows LDAP...
997  if(NOT USE_WIN32_LDAP)
998    if(NOT DEFINED LDAP_LIBRARY)
999      set(LDAP_LIBRARY "ldap" CACHE STRING "Name or full path to ldap library")
1000    endif()
1001    if(NOT DEFINED LDAP_LBER_LIBRARY)
1002      set(LDAP_LBER_LIBRARY "lber" CACHE STRING "Name or full path to lber library")
1003    endif()
1004    if(NOT DEFINED LDAP_INCLUDE_DIR)
1005      set(LDAP_INCLUDE_DIR "" CACHE STRING "Path to LDAP include directory")
1006    endif()
1007
1008    # Check for LDAP
1009    cmake_push_check_state()
1010    if(USE_OPENSSL)
1011      set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
1012    endif()
1013    check_library_exists("${LDAP_LIBRARY}" "ldap_init" "" HAVE_LIBLDAP)
1014    if(HAVE_LIBLDAP)
1015      check_library_exists("${LDAP_LIBRARY};${LDAP_LBER_LIBRARY}" "ber_init" "" HAVE_LIBLBER)
1016    else()
1017      check_library_exists("${LDAP_LBER_LIBRARY}" "ber_init" "" HAVE_LIBLBER)
1018    endif()
1019
1020    if(LDAP_INCLUDE_DIR)
1021      list(APPEND CMAKE_REQUIRED_INCLUDES ${LDAP_INCLUDE_DIR})
1022    endif()
1023
1024    unset(_include_list)
1025    check_include_file("lber.h" HAVE_LBER_H)
1026    if(HAVE_LBER_H)
1027      list(APPEND _include_list "lber.h")
1028    endif()
1029    check_include_files("${_include_list};ldap.h" HAVE_LDAP_H)
1030    unset(_include_list)
1031
1032    if(NOT HAVE_LDAP_H)
1033      message(STATUS "LDAP_H not found CURL_DISABLE_LDAP set ON")
1034      set(CURL_DISABLE_LDAP ON CACHE BOOL "" FORCE)
1035    elseif(NOT HAVE_LIBLDAP)
1036      message(STATUS "LDAP library '${LDAP_LIBRARY}' not found CURL_DISABLE_LDAP set ON")
1037      set(CURL_DISABLE_LDAP ON CACHE BOOL "" FORCE)
1038    else()
1039      if(LDAP_INCLUDE_DIR)
1040        include_directories(SYSTEM ${LDAP_INCLUDE_DIR})
1041      endif()
1042      list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DLDAP_DEPRECATED=1")
1043      list(APPEND CMAKE_REQUIRED_LIBRARIES ${LDAP_LIBRARY})
1044      set(CURL_LIBS "${LDAP_LIBRARY};${CURL_LIBS}")
1045      set(LIBCURL_PC_REQUIRES_PRIVATE "ldap;${LIBCURL_PC_REQUIRES_PRIVATE}")
1046      if(HAVE_LIBLBER)
1047        list(APPEND CMAKE_REQUIRED_LIBRARIES ${LDAP_LBER_LIBRARY})
1048        set(CURL_LIBS "${LDAP_LBER_LIBRARY};${CURL_LIBS}")
1049      endif()
1050
1051      check_function_exists("ldap_url_parse" HAVE_LDAP_URL_PARSE)
1052      check_function_exists("ldap_init_fd" HAVE_LDAP_INIT_FD)
1053
1054      check_include_file("ldap_ssl.h" HAVE_LDAP_SSL_H)
1055
1056      if(HAVE_LDAP_INIT_FD)
1057        set(USE_OPENLDAP ON)
1058        add_definitions("-DLDAP_DEPRECATED=1")
1059      endif()
1060      if(NOT CURL_DISABLE_LDAPS)
1061        set(HAVE_LDAP_SSL ON)
1062      endif()
1063    endif()
1064    cmake_pop_check_state()
1065  endif()
1066endif()
1067
1068# No ldap, no ldaps.
1069if(CURL_DISABLE_LDAP)
1070  if(NOT CURL_DISABLE_LDAPS)
1071    message(STATUS "LDAP needs to be enabled to support LDAPS")
1072    set(CURL_DISABLE_LDAPS ON CACHE BOOL "" FORCE)
1073  endif()
1074endif()
1075
1076if(WIN32)
1077  option(USE_WIN32_IDN "Use WinIDN for IDN support" OFF)
1078  if(USE_WIN32_IDN)
1079    list(APPEND CURL_LIBS "normaliz")
1080  endif()
1081else()
1082  set(USE_WIN32_IDN OFF)
1083endif()
1084
1085if(APPLE)
1086  option(USE_APPLE_IDN "Use Apple built-in IDN support" OFF)
1087  if(USE_APPLE_IDN)
1088    cmake_push_check_state()
1089    set(CMAKE_REQUIRED_LIBRARIES "icucore")
1090    check_symbol_exists("uidna_openUTS46" "unicode/uidna.h" HAVE_APPLE_IDN)
1091    cmake_pop_check_state()
1092    if(HAVE_APPLE_IDN)
1093      list(APPEND CURL_LIBS "icucore" "iconv")
1094    else()
1095      set(USE_APPLE_IDN OFF)
1096    endif()
1097  endif()
1098else()
1099  set(USE_APPLE_IDN OFF)
1100endif()
1101
1102# Check for libidn2
1103option(USE_LIBIDN2 "Use libidn2 for IDN support" ON)
1104set(HAVE_IDN2_H OFF)
1105set(HAVE_LIBIDN2 OFF)
1106if(USE_LIBIDN2 AND NOT USE_APPLE_IDN AND NOT USE_WIN32_IDN)
1107  find_package(Libidn2)
1108  if(LIBIDN2_FOUND)
1109    set(CURL_LIBS "${LIBIDN2_LIBRARIES};${CURL_LIBS}")
1110    list(APPEND CURL_LIBDIRS ${LIBIDN2_LIBRARY_DIRS})
1111    set(LIBCURL_PC_REQUIRES_PRIVATE "libidn2;${LIBCURL_PC_REQUIRES_PRIVATE}")
1112    include_directories(SYSTEM ${LIBIDN2_INCLUDE_DIRS})
1113    link_directories(${LIBIDN2_LIBRARY_DIRS})
1114    if(LIBIDN2_CFLAGS)
1115      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBIDN2_CFLAGS}")
1116    endif()
1117    set(HAVE_IDN2_H 1)
1118    set(HAVE_LIBIDN2 1)
1119  endif()
1120endif()
1121
1122# libpsl
1123option(CURL_USE_LIBPSL "Use libpsl" ON)
1124mark_as_advanced(CURL_USE_LIBPSL)
1125set(USE_LIBPSL OFF)
1126
1127if(CURL_USE_LIBPSL)
1128  find_package(Libpsl)  # TODO: add REQUIRED to match autotools
1129  if(LIBPSL_FOUND)
1130    list(APPEND CURL_LIBS ${LIBPSL_LIBRARIES})
1131    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libpsl")
1132    include_directories(SYSTEM ${LIBPSL_INCLUDE_DIRS})
1133    set(USE_LIBPSL ON)
1134  else()
1135    message(WARNING "libpsl is enabled, but not found.")
1136  endif()
1137endif()
1138
1139# libssh2
1140option(CURL_USE_LIBSSH2 "Use libssh2" ON)
1141mark_as_advanced(CURL_USE_LIBSSH2)
1142set(USE_LIBSSH2 OFF)
1143
1144if(CURL_USE_LIBSSH2)
1145  find_package(Libssh2)
1146  if(LIBSSH2_FOUND)
1147    list(APPEND CURL_LIBS ${LIBSSH2_LIBRARIES})
1148    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libssh2")
1149    include_directories(SYSTEM ${LIBSSH2_INCLUDE_DIRS})
1150    set(USE_LIBSSH2 ON)
1151  endif()
1152endif()
1153
1154# libssh
1155option(CURL_USE_LIBSSH "Use libssh" OFF)
1156mark_as_advanced(CURL_USE_LIBSSH)
1157if(NOT USE_LIBSSH2 AND CURL_USE_LIBSSH)
1158  find_package(Libssh REQUIRED)
1159  if(LIBSSH_FOUND)
1160    list(APPEND CURL_LIBS ${LIBSSH_LIBRARIES})
1161    list(APPEND CURL_LIBDIRS ${LIBSSH_LIBRARY_DIRS})
1162    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libssh")
1163    include_directories(SYSTEM ${LIBSSH_INCLUDE_DIRS})
1164    link_directories(${LIBSSH_LIBRARY_DIRS})
1165    if(LIBSSH_CFLAGS)
1166      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBSSH_CFLAGS}")
1167    endif()
1168    set(USE_LIBSSH ON)
1169  endif()
1170endif()
1171
1172# wolfSSH
1173option(CURL_USE_WOLFSSH "Use wolfSSH" OFF)
1174mark_as_advanced(CURL_USE_WOLFSSH)
1175set(USE_WOLFSSH OFF)
1176if(NOT USE_LIBSSH2 AND NOT USE_LIBSSH AND CURL_USE_WOLFSSH)
1177  if(USE_WOLFSSL)
1178    find_package(WolfSSH)
1179    if(WOLFSSH_FOUND)
1180      list(APPEND CURL_LIBS ${WOLFSSH_LIBRARIES})
1181      include_directories(SYSTEM ${WOLFSSH_INCLUDE_DIRS})
1182      set(USE_WOLFSSH ON)
1183    endif()
1184  else()
1185    message(WARNING "wolfSSH requires wolfSSL. Skipping.")
1186  endif()
1187endif()
1188
1189option(CURL_USE_GSASL "Use libgsasl" OFF)
1190mark_as_advanced(CURL_USE_GSASL)
1191if(CURL_USE_GSASL)
1192  find_package(Libgsasl REQUIRED)
1193  if(LIBGSASL_FOUND)
1194    list(APPEND CURL_LIBS ${LIBGSASL_LIBRARIES})
1195    list(APPEND CURL_LIBDIRS ${LIBGSASL_LIBRARY_DIRS})
1196    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libgsasl")
1197    include_directories(SYSTEM ${LIBGSASL_INCLUDE_DIRS})
1198    link_directories(${LIBGSASL_LIBRARY_DIRS})
1199    if(LIBGSASL_CFLAGS)
1200      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBGSASL_CFLAGS}")
1201    endif()
1202    set(USE_GSASL ON)
1203  endif()
1204endif()
1205
1206option(CURL_USE_GSSAPI "Use GSSAPI implementation" OFF)
1207mark_as_advanced(CURL_USE_GSSAPI)
1208
1209if(CURL_USE_GSSAPI)
1210  find_package(GSS)
1211
1212  set(HAVE_GSSAPI ${GSS_FOUND})
1213  if(GSS_FOUND)
1214    cmake_push_check_state()
1215    list(APPEND CMAKE_REQUIRED_INCLUDES ${GSS_INCLUDE_DIRS})
1216
1217    string(REPLACE ";" " " GSS_CFLAGS "${GSS_CFLAGS}")
1218    string(REPLACE ";" " " GSS_LDFLAGS "${GSS_LDFLAGS}")
1219
1220    foreach(_dir IN LISTS GSS_LIBRARY_DIRS)
1221      set(GSS_LDFLAGS "${GSS_LDFLAGS} -L\"${_dir}\"")
1222    endforeach()
1223
1224    if(NOT GSS_FLAVOUR STREQUAL "GNU")
1225      set(_include_list "")
1226      check_include_file("gssapi/gssapi.h" HAVE_GSSAPI_GSSAPI_H)
1227      if(HAVE_GSSAPI_GSSAPI_H)
1228        list(APPEND _include_list "gssapi/gssapi.h")
1229      endif()
1230      check_include_files("${_include_list};gssapi/gssapi_generic.h" HAVE_GSSAPI_GSSAPI_GENERIC_H)
1231
1232      if(GSS_FLAVOUR STREQUAL "MIT")
1233        check_include_files("${_include_list};gssapi/gssapi_krb5.h" _have_gssapi_gssapi_krb5_h)
1234        if(HAVE_GSSAPI_GSSAPI_GENERIC_H)
1235          list(APPEND _include_list "gssapi/gssapi_generic.h")
1236        endif()
1237        if(_have_gssapi_gssapi_krb5_h)
1238          list(APPEND _include_list "gssapi/gssapi_krb5.h")
1239        endif()
1240
1241        if(NOT DEFINED HAVE_GSS_C_NT_HOSTBASED_SERVICE)
1242          set(CMAKE_REQUIRED_FLAGS "${GSS_CFLAGS} ${GSS_LDFLAGS}")
1243          set(CMAKE_REQUIRED_LIBRARIES ${GSS_LIBRARIES})
1244          check_symbol_exists("GSS_C_NT_HOSTBASED_SERVICE" "${_include_list}" HAVE_GSS_C_NT_HOSTBASED_SERVICE)
1245        endif()
1246        if(NOT HAVE_GSS_C_NT_HOSTBASED_SERVICE)
1247          set(HAVE_OLD_GSSMIT ON)
1248        endif()
1249      endif()
1250      unset(_include_list)
1251    endif()
1252    cmake_pop_check_state()
1253
1254    include_directories(SYSTEM ${GSS_INCLUDE_DIRS})
1255    link_directories(${GSS_LIBRARY_DIRS})
1256    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${GSS_CFLAGS}")
1257    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${GSS_LDFLAGS}")
1258    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${GSS_LDFLAGS}")
1259    list(APPEND CURL_LIBS ${GSS_LIBRARIES})
1260    if(GSS_FLAVOUR STREQUAL "GNU")
1261      set(HAVE_GSSGNU 1)
1262      list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "gss")
1263    elseif(GSS_FLAVOUR STREQUAL "MIT")
1264      list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "mit-krb5-gssapi")
1265    else()  # Heimdal
1266      list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "heimdal-gssapi")
1267    endif()
1268  else()
1269    message(WARNING "GSSAPI has been requested, but no supporting libraries found. Skipping.")
1270  endif()
1271endif()
1272
1273# libuv
1274option(CURL_USE_LIBUV "Use libuv for event-based tests" OFF)
1275if(CURL_USE_LIBUV)
1276  if(NOT ENABLE_DEBUG)
1277    message(FATAL_ERROR "Using libuv without debug support enabled is useless")
1278  endif()
1279  find_package(Libuv REQUIRED)
1280  if(LIBUV_FOUND)
1281    list(APPEND CURL_LIBS ${LIBUV_LIBRARIES})
1282    list(APPEND CURL_LIBDIRS ${LIBUV_LIBRARY_DIRS})
1283    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "libuv")
1284    include_directories(SYSTEM ${LIBUV_INCLUDE_DIRS})
1285    link_directories(${LIBUV_LIBRARY_DIRS})
1286    if(LIBUV_CFLAGS)
1287      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBUV_CFLAGS}")
1288    endif()
1289    set(USE_LIBUV ON)
1290    set(HAVE_UV_H ON)
1291  endif()
1292endif()
1293
1294option(USE_LIBRTMP "Enable librtmp from rtmpdump" OFF)
1295if(USE_LIBRTMP)
1296  set(_extra_libs "rtmp")
1297  if(WIN32)
1298    list(APPEND _extra_libs "winmm")
1299  endif()
1300  openssl_check_symbol_exists("RTMP_Init" "librtmp/rtmp.h" HAVE_LIBRTMP "${_extra_libs}")
1301  if(HAVE_LIBRTMP)
1302    list(APPEND CURL_LIBS "rtmp")
1303    list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "librtmp")
1304    if(WIN32)
1305      list(APPEND CURL_LIBS "winmm")
1306    endif()
1307  else()
1308    message(WARNING "librtmp has been requested, but not found or missing OpenSSL. Skipping.")
1309    set(USE_LIBRTMP OFF)
1310  endif()
1311endif()
1312
1313option(ENABLE_UNIX_SOCKETS "Enable Unix domain sockets support" ON)
1314if(ENABLE_UNIX_SOCKETS)
1315  if(WIN32)
1316    set(USE_UNIX_SOCKETS ON)
1317  else()
1318    include(CheckStructHasMember)
1319    check_struct_has_member("struct sockaddr_un" "sun_path" "sys/un.h" USE_UNIX_SOCKETS)
1320  endif()
1321else()
1322  unset(USE_UNIX_SOCKETS CACHE)
1323endif()
1324
1325#
1326# CA handling
1327#
1328if(_curl_ca_bundle_supported)
1329  set(CURL_CA_BUNDLE "auto" CACHE
1330    STRING "Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
1331  set(CURL_CA_FALLBACK OFF CACHE BOOL
1332    "Use built-in CA store of TLS backend. Defaults to OFF")
1333  set(CURL_CA_PATH "auto" CACHE
1334    STRING "Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
1335  set(CURL_CA_EMBED "" CACHE
1336    STRING "Path to the CA bundle to embed in the curl tool.")
1337
1338  if(CURL_CA_BUNDLE STREQUAL "")
1339    message(FATAL_ERROR "Invalid value of CURL_CA_BUNDLE. Use 'none', 'auto' or file path.")
1340  elseif(CURL_CA_BUNDLE STREQUAL "none")
1341    unset(CURL_CA_BUNDLE CACHE)
1342  elseif(CURL_CA_BUNDLE STREQUAL "auto")
1343    unset(CURL_CA_BUNDLE CACHE)
1344    if(NOT CMAKE_CROSSCOMPILING AND NOT WIN32)
1345      set(_curl_ca_bundle_autodetect TRUE)
1346    endif()
1347  else()
1348    set(CURL_CA_BUNDLE_SET TRUE)
1349  endif()
1350  mark_as_advanced(CURL_CA_BUNDLE_SET)
1351
1352  if(CURL_CA_PATH STREQUAL "")
1353    message(FATAL_ERROR "Invalid value of CURL_CA_PATH. Use 'none', 'auto' or directory path.")
1354  elseif(CURL_CA_PATH STREQUAL "none")
1355    unset(CURL_CA_PATH CACHE)
1356  elseif(CURL_CA_PATH STREQUAL "auto")
1357    unset(CURL_CA_PATH CACHE)
1358    if(NOT CMAKE_CROSSCOMPILING AND NOT WIN32)
1359      set(_curl_ca_path_autodetect TRUE)
1360    endif()
1361  else()
1362    set(CURL_CA_PATH_SET TRUE)
1363  endif()
1364  mark_as_advanced(CURL_CA_PATH_SET)
1365
1366  if(CURL_CA_BUNDLE_SET AND _curl_ca_path_autodetect)
1367    # Skip auto-detection of unset CA path because CA bundle is set explicitly
1368  elseif(CURL_CA_PATH_SET AND _curl_ca_bundle_autodetect)
1369    # Skip auto-detection of unset CA bundle because CA path is set explicitly
1370  elseif(_curl_ca_bundle_autodetect OR _curl_ca_path_autodetect)
1371    # First try auto-detecting a CA bundle, then a CA path
1372
1373    if(_curl_ca_bundle_autodetect)
1374      foreach(_search_ca_bundle_path IN ITEMS
1375          "/etc/ssl/certs/ca-certificates.crt"
1376          "/etc/pki/tls/certs/ca-bundle.crt"
1377          "/usr/share/ssl/certs/ca-bundle.crt"
1378          "/usr/local/share/certs/ca-root-nss.crt"
1379          "/etc/ssl/cert.pem")
1380        if(EXISTS "${_search_ca_bundle_path}")
1381          message(STATUS "Found CA bundle: ${_search_ca_bundle_path}")
1382          set(CURL_CA_BUNDLE "${_search_ca_bundle_path}" CACHE
1383            STRING "Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
1384          set(CURL_CA_BUNDLE_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
1385          break()
1386        endif()
1387      endforeach()
1388    endif()
1389
1390    if(_curl_ca_path_autodetect AND NOT CURL_CA_PATH_SET)
1391      set(_search_ca_path "/etc/ssl/certs")
1392      file(GLOB _curl_ca_files_found "${_search_ca_path}/[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f].0")
1393      if(_curl_ca_files_found)
1394        unset(_curl_ca_files_found)
1395        message(STATUS "Found CA path: ${_search_ca_path}")
1396        set(CURL_CA_PATH "${_search_ca_path}" CACHE
1397          STRING "Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
1398        set(CURL_CA_PATH_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
1399      endif()
1400    endif()
1401  endif()
1402
1403  set(CURL_CA_EMBED_SET FALSE)
1404  if(BUILD_CURL_EXE AND NOT CURL_CA_EMBED STREQUAL "")
1405    if(EXISTS "${CURL_CA_EMBED}")
1406      set(CURL_CA_EMBED_SET TRUE)
1407      message(STATUS "Found CA bundle to embed: ${CURL_CA_EMBED}")
1408    else()
1409      message(FATAL_ERROR "CA bundle to embed is missing: '${CURL_CA_EMBED}'")
1410    endif()
1411  endif()
1412endif()
1413
1414if(WIN32)
1415  option(CURL_DISABLE_CA_SEARCH "Disable unsafe CA bundle search in PATH on Windows" OFF)
1416  option(CURL_CA_SEARCH_SAFE "Enable safe CA bundle search (within the curl tool directory) on Windows" OFF)
1417endif()
1418
1419# Check for header files
1420if(WIN32)
1421  list(APPEND CURL_INCLUDES "winsock2.h")
1422  list(APPEND CURL_INCLUDES "ws2tcpip.h")
1423
1424  if(HAVE_WIN32_WINNT)
1425    if(HAVE_WIN32_WINNT LESS 0x0501)
1426      # Windows XP is required for freeaddrinfo, getaddrinfo
1427      message(FATAL_ERROR "Building for Windows XP or newer is required.")
1428    endif()
1429
1430    # Pre-fill detection results based on target OS version
1431    if(MINGW OR MSVC)
1432      if(HAVE_WIN32_WINNT LESS 0x0600)
1433        set(HAVE_INET_NTOP 0)
1434        set(HAVE_INET_PTON 0)
1435      else()  # Windows Vista or newer
1436        set(HAVE_INET_NTOP 1)
1437        set(HAVE_INET_PTON 1)
1438      endif()
1439      unset(HAVE_INET_NTOP CACHE)
1440      unset(HAVE_INET_PTON CACHE)
1441    endif()
1442  endif()
1443endif()
1444
1445# Detect headers
1446
1447# Use check_include_file_concat() for headers required by subsequent
1448# check_include_file_concat() or check_symbol_exists() detections.
1449# Order for these is significant.
1450check_include_file("sys/eventfd.h"    HAVE_SYS_EVENTFD_H)
1451check_include_file("sys/filio.h"      HAVE_SYS_FILIO_H)
1452check_include_file("sys/wait.h"       HAVE_SYS_WAIT_H)
1453check_include_file("sys/ioctl.h"      HAVE_SYS_IOCTL_H)
1454check_include_file("sys/param.h"      HAVE_SYS_PARAM_H)
1455check_include_file("sys/poll.h"       HAVE_SYS_POLL_H)
1456check_include_file("sys/resource.h"   HAVE_SYS_RESOURCE_H)
1457check_include_file_concat("sys/select.h"     HAVE_SYS_SELECT_H)
1458check_include_file_concat("sys/socket.h"     HAVE_SYS_SOCKET_H)
1459check_include_file("sys/sockio.h"     HAVE_SYS_SOCKIO_H)
1460check_include_file("sys/stat.h"       HAVE_SYS_STAT_H)
1461check_include_file_concat("sys/time.h"       HAVE_SYS_TIME_H)
1462check_include_file_concat("sys/types.h"      HAVE_SYS_TYPES_H)
1463check_include_file("sys/un.h"         HAVE_SYS_UN_H)
1464check_include_file("sys/utime.h"      HAVE_SYS_UTIME_H)
1465check_include_file("sys/xattr.h"      HAVE_SYS_XATTR_H)
1466
1467check_include_file_concat("arpa/inet.h"      HAVE_ARPA_INET_H)
1468check_include_file("dirent.h"         HAVE_DIRENT_H)
1469check_include_file("fcntl.h"          HAVE_FCNTL_H)
1470check_include_file_concat("ifaddrs.h"        HAVE_IFADDRS_H)
1471check_include_file("io.h"             HAVE_IO_H)
1472check_include_file_concat("libgen.h"         HAVE_LIBGEN_H)
1473check_include_file("linux/tcp.h"      HAVE_LINUX_TCP_H)
1474check_include_file("locale.h"         HAVE_LOCALE_H)
1475check_include_file("net/if.h"         HAVE_NET_IF_H)
1476check_include_file_concat("netdb.h"          HAVE_NETDB_H)
1477check_include_file_concat("netinet/in.h"     HAVE_NETINET_IN_H)
1478check_include_file("netinet/in6.h"    HAVE_NETINET_IN6_H)
1479check_include_file_concat("netinet/tcp.h"    HAVE_NETINET_TCP_H)  # sys/types.h (e.g. Cygwin) netinet/in.h
1480check_include_file_concat("netinet/udp.h"    HAVE_NETINET_UDP_H)  # sys/types.h (e.g. Cygwin)
1481check_include_file("poll.h"           HAVE_POLL_H)
1482check_include_file("pwd.h"            HAVE_PWD_H)
1483check_include_file("stdatomic.h"      HAVE_STDATOMIC_H)
1484check_include_file("stdbool.h"        HAVE_STDBOOL_H)
1485check_include_file("strings.h"        HAVE_STRINGS_H)
1486check_include_file("stropts.h"        HAVE_STROPTS_H)
1487check_include_file("termio.h"         HAVE_TERMIO_H)
1488check_include_file("termios.h"        HAVE_TERMIOS_H)
1489check_include_file_concat("unistd.h"         HAVE_UNISTD_H)
1490check_include_file("utime.h"          HAVE_UTIME_H)
1491
1492if(CMAKE_SYSTEM_NAME MATCHES "AmigaOS")
1493  check_include_file_concat("proto/bsdsocket.h" HAVE_PROTO_BSDSOCKET_H)
1494endif()
1495
1496# Pass these detection results to curl_internal_test() for use in CurlTests.c
1497# Add here all feature flags referenced from CurlTests.c
1498foreach(_variable IN ITEMS
1499    HAVE_STDATOMIC_H
1500    HAVE_STDBOOL_H
1501    HAVE_STROPTS_H
1502    HAVE_SYS_IOCTL_H
1503    HAVE_SYS_SOCKET_H
1504    HAVE_SYS_TYPES_H
1505    HAVE_UNISTD_H
1506    )
1507  if(${_variable})
1508    set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D${_variable}")
1509  endif()
1510endforeach()
1511
1512check_type_size("size_t"      SIZEOF_SIZE_T)
1513check_type_size("ssize_t"     SIZEOF_SSIZE_T)
1514check_type_size("long long"   SIZEOF_LONG_LONG)
1515check_type_size("long"        SIZEOF_LONG)
1516check_type_size("int"         SIZEOF_INT)
1517check_type_size("__int64"     SIZEOF___INT64)
1518check_type_size("time_t"      SIZEOF_TIME_T)
1519check_type_size("suseconds_t" SIZEOF_SUSECONDS_T)
1520if(NOT HAVE_SIZEOF_SSIZE_T)
1521  if(SIZEOF_LONG EQUAL SIZEOF_SIZE_T)
1522    set(ssize_t "long")
1523  endif()
1524  if(NOT ssize_t AND SIZEOF___INT64 EQUAL SIZEOF_SIZE_T)
1525    set(ssize_t "__int64")
1526  endif()
1527endif()
1528# off_t is sized later, after the HAVE_FILE_OFFSET_BITS test
1529
1530if(SIZEOF_LONG_LONG)
1531  set(HAVE_LONGLONG 1)
1532endif()
1533if(SIZEOF_SUSECONDS_T)
1534  set(HAVE_SUSECONDS_T 1)
1535endif()
1536
1537# Check for some functions that are used
1538if(WIN32)
1539  list(APPEND CMAKE_REQUIRED_LIBRARIES "ws2_32")  # Apply to all feature checks
1540elseif(HAVE_LIBSOCKET)
1541  list(APPEND CMAKE_REQUIRED_LIBRARIES "socket")  # Apply to all feature checks
1542endif()
1543
1544check_function_exists("fnmatch"       HAVE_FNMATCH)
1545check_symbol_exists("basename"        "${CURL_INCLUDES};string.h" HAVE_BASENAME)  # libgen.h unistd.h
1546check_symbol_exists("opendir"         "dirent.h" HAVE_OPENDIR)
1547check_function_exists("poll"          HAVE_POLL)  # poll.h
1548check_symbol_exists("socket"          "${CURL_INCLUDES}" HAVE_SOCKET)  # winsock2.h sys/socket.h
1549check_function_exists("sched_yield"   HAVE_SCHED_YIELD)
1550check_symbol_exists("socketpair"      "${CURL_INCLUDES}" HAVE_SOCKETPAIR)  # sys/socket.h
1551check_symbol_exists("recv"            "${CURL_INCLUDES}" HAVE_RECV)  # proto/bsdsocket.h sys/types.h sys/socket.h
1552check_symbol_exists("send"            "${CURL_INCLUDES}" HAVE_SEND)  # proto/bsdsocket.h sys/types.h sys/socket.h
1553check_function_exists("sendmsg"       HAVE_SENDMSG)
1554check_function_exists("sendmmsg"      HAVE_SENDMMSG)
1555check_symbol_exists("select"          "${CURL_INCLUDES}" HAVE_SELECT)  # proto/bsdsocket.h sys/select.h sys/socket.h
1556check_symbol_exists("strdup"          "string.h" HAVE_STRDUP)
1557check_symbol_exists("strtok_r"        "string.h" HAVE_STRTOK_R)
1558check_symbol_exists("strcasecmp"      "string.h" HAVE_STRCASECMP)
1559check_symbol_exists("stricmp"         "string.h" HAVE_STRICMP)
1560check_symbol_exists("strcmpi"         "string.h" HAVE_STRCMPI)
1561check_symbol_exists("memrchr"         "string.h" HAVE_MEMRCHR)
1562check_symbol_exists("alarm"           "unistd.h" HAVE_ALARM)
1563check_symbol_exists("fcntl"           "fcntl.h" HAVE_FCNTL)
1564check_function_exists("getppid"       HAVE_GETPPID)
1565check_function_exists("utimes"        HAVE_UTIMES)
1566
1567check_function_exists("gettimeofday"  HAVE_GETTIMEOFDAY)  # sys/time.h
1568check_symbol_exists("closesocket"     "${CURL_INCLUDES}" HAVE_CLOSESOCKET)  # winsock2.h
1569check_symbol_exists("sigsetjmp"       "setjmp.h" HAVE_SIGSETJMP)
1570check_function_exists("getpass_r"     HAVE_GETPASS_R)
1571check_function_exists("getpwuid"      HAVE_GETPWUID)
1572check_function_exists("getpwuid_r"    HAVE_GETPWUID_R)
1573check_function_exists("geteuid"       HAVE_GETEUID)
1574check_function_exists("utime"         HAVE_UTIME)
1575check_symbol_exists("gmtime_r"        "stdlib.h;time.h" HAVE_GMTIME_R)
1576
1577check_symbol_exists("gethostbyname_r" "netdb.h" HAVE_GETHOSTBYNAME_R)
1578
1579check_symbol_exists("signal"          "signal.h" HAVE_SIGNAL)
1580check_symbol_exists("strtoll"         "stdlib.h" HAVE_STRTOLL)
1581check_symbol_exists("strerror_r"      "stdlib.h;string.h" HAVE_STRERROR_R)
1582check_symbol_exists("sigaction"       "signal.h" HAVE_SIGACTION)
1583check_symbol_exists("siginterrupt"    "signal.h" HAVE_SIGINTERRUPT)
1584check_symbol_exists("getaddrinfo"     "${CURL_INCLUDES};stdlib.h;string.h" HAVE_GETADDRINFO)  # ws2tcpip.h sys/socket.h netdb.h
1585check_symbol_exists("getifaddrs"      "${CURL_INCLUDES};stdlib.h" HAVE_GETIFADDRS)  # ifaddrs.h
1586check_symbol_exists("freeaddrinfo"    "${CURL_INCLUDES}" HAVE_FREEADDRINFO)  # ws2tcpip.h sys/socket.h netdb.h
1587check_function_exists("pipe"          HAVE_PIPE)
1588check_function_exists("eventfd"       HAVE_EVENTFD)
1589check_symbol_exists("ftruncate"       "unistd.h" HAVE_FTRUNCATE)
1590check_function_exists("_fseeki64"     HAVE__FSEEKI64)
1591check_symbol_exists("getpeername"     "${CURL_INCLUDES}" HAVE_GETPEERNAME)  # winsock2.h unistd.h proto/bsdsocket.h
1592check_symbol_exists("getsockname"     "${CURL_INCLUDES}" HAVE_GETSOCKNAME)  # winsock2.h unistd.h proto/bsdsocket.h
1593check_function_exists("if_nametoindex"  HAVE_IF_NAMETOINDEX)  # winsock2.h net/if.h
1594check_function_exists("getrlimit"       HAVE_GETRLIMIT)
1595check_function_exists("setlocale"       HAVE_SETLOCALE)
1596check_function_exists("setmode"         HAVE_SETMODE)
1597check_function_exists("setrlimit"       HAVE_SETRLIMIT)
1598
1599if(WIN32 OR CYGWIN)
1600  check_function_exists("_setmode" HAVE__SETMODE)
1601endif()
1602
1603if(CMAKE_SYSTEM_NAME MATCHES "AmigaOS")
1604  check_symbol_exists("CloseSocket" "${CURL_INCLUDES}" HAVE_CLOSESOCKET_CAMEL)  # sys/socket.h proto/bsdsocket.h
1605endif()
1606
1607if(NOT _ssl_enabled)
1608  check_symbol_exists("arc4random" "${CURL_INCLUDES};stdlib.h" HAVE_ARC4RANDOM)
1609endif()
1610
1611if(NOT MSVC OR (MSVC_VERSION GREATER_EQUAL 1900))
1612  # Earlier MSVC compilers had faulty snprintf implementations
1613  check_function_exists("snprintf" HAVE_SNPRINTF)
1614endif()
1615if(APPLE)
1616  check_function_exists("mach_absolute_time" HAVE_MACH_ABSOLUTE_TIME)
1617endif()
1618check_symbol_exists("inet_ntop" "${CURL_INCLUDES};stdlib.h;string.h" HAVE_INET_NTOP)  # arpa/inet.h
1619if(MSVC AND (MSVC_VERSION LESS_EQUAL 1600))
1620  set(HAVE_INET_NTOP OFF)
1621endif()
1622check_symbol_exists("inet_pton" "${CURL_INCLUDES};stdlib.h;string.h" HAVE_INET_PTON)  # arpa/inet.h
1623
1624check_symbol_exists("fsetxattr" "sys/xattr.h" HAVE_FSETXATTR)
1625if(HAVE_FSETXATTR)
1626  curl_internal_test(HAVE_FSETXATTR_5)
1627  curl_internal_test(HAVE_FSETXATTR_6)
1628endif()
1629
1630cmake_push_check_state()
1631if(WIN32)
1632  set(CMAKE_EXTRA_INCLUDE_FILES "winsock2.h")
1633  check_type_size("ADDRESS_FAMILY" SIZEOF_ADDRESS_FAMILY)
1634  set(HAVE_ADDRESS_FAMILY ${HAVE_SIZEOF_ADDRESS_FAMILY})
1635elseif(HAVE_SYS_SOCKET_H)
1636  set(CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h")
1637  check_type_size("sa_family_t" SIZEOF_SA_FAMILY_T)
1638  set(HAVE_SA_FAMILY_T ${HAVE_SIZEOF_SA_FAMILY_T})
1639endif()
1640cmake_pop_check_state()
1641
1642# Do curl specific tests
1643foreach(_curl_test IN ITEMS
1644    HAVE_FCNTL_O_NONBLOCK
1645    HAVE_IOCTLSOCKET
1646    HAVE_IOCTLSOCKET_CAMEL
1647    HAVE_IOCTLSOCKET_CAMEL_FIONBIO
1648    HAVE_IOCTLSOCKET_FIONBIO
1649    HAVE_IOCTL_FIONBIO
1650    HAVE_IOCTL_SIOCGIFADDR
1651    HAVE_SETSOCKOPT_SO_NONBLOCK
1652    HAVE_O_NONBLOCK
1653    HAVE_GETHOSTBYNAME_R_3
1654    HAVE_GETHOSTBYNAME_R_5
1655    HAVE_GETHOSTBYNAME_R_6
1656    HAVE_GETHOSTBYNAME_R_3_REENTRANT
1657    HAVE_GETHOSTBYNAME_R_5_REENTRANT
1658    HAVE_GETHOSTBYNAME_R_6_REENTRANT
1659    HAVE_IN_ADDR_T
1660    HAVE_BOOL_T
1661    STDC_HEADERS
1662    HAVE_FILE_OFFSET_BITS
1663    HAVE_ATOMIC
1664    )
1665  curl_internal_test(${_curl_test})
1666endforeach()
1667
1668cmake_push_check_state()
1669if(HAVE_FILE_OFFSET_BITS)
1670  set(_FILE_OFFSET_BITS 64)
1671  set(CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
1672endif()
1673check_type_size("off_t" SIZEOF_OFF_T)
1674
1675# fseeko may not exist with _FILE_OFFSET_BITS=64 but can exist with
1676# _FILE_OFFSET_BITS unset or 32 (e.g. Android ARMv7 with NDK 26b and API level < 24)
1677# so we need to test fseeko after testing for _FILE_OFFSET_BITS
1678check_symbol_exists("fseeko" "${CURL_INCLUDES};stdio.h" HAVE_FSEEKO)
1679
1680if(HAVE_FSEEKO)
1681  set(HAVE_DECL_FSEEKO 1)
1682endif()
1683
1684# Include this header to get the type
1685cmake_push_check_state()
1686set(CMAKE_REQUIRED_INCLUDES "${PROJECT_SOURCE_DIR}/include")
1687set(CMAKE_EXTRA_INCLUDE_FILES "curl/system.h")
1688check_type_size("curl_off_t" SIZEOF_CURL_OFF_T)
1689set(CMAKE_EXTRA_INCLUDE_FILES "curl/curl.h")
1690check_type_size("curl_socket_t" SIZEOF_CURL_SOCKET_T)
1691cmake_pop_check_state()  # pop curl system headers
1692cmake_pop_check_state()  # pop -D_FILE_OFFSET_BITS=64
1693
1694if(NOT WIN32 AND NOT CMAKE_CROSSCOMPILING)
1695  # On non-Windows and not cross-compiling, check for writable argv[]
1696  include(CheckCSourceRuns)
1697  check_c_source_runs("
1698    int main(int argc, char **argv)
1699    {
1700      (void)argc;
1701      argv[0][0] = ' ';
1702      return (argv[0][0] == ' ')?0:1;
1703    }" HAVE_WRITABLE_ARGV)
1704endif()
1705
1706curl_internal_test(HAVE_GLIBC_STRERROR_R)
1707curl_internal_test(HAVE_POSIX_STRERROR_R)
1708
1709# Check for reentrant
1710foreach(_curl_test IN ITEMS
1711    HAVE_GETHOSTBYNAME_R_3
1712    HAVE_GETHOSTBYNAME_R_5
1713    HAVE_GETHOSTBYNAME_R_6)
1714  if(NOT ${_curl_test})
1715    if(${_curl_test}_REENTRANT)
1716      set(NEED_REENTRANT 1)
1717    endif()
1718  endif()
1719endforeach()
1720
1721if(NEED_REENTRANT)
1722  foreach(_curl_test IN ITEMS
1723      HAVE_GETHOSTBYNAME_R_3
1724      HAVE_GETHOSTBYNAME_R_5
1725      HAVE_GETHOSTBYNAME_R_6)
1726    set(${_curl_test} 0)
1727    if(${_curl_test}_REENTRANT)
1728      set(${_curl_test} 1)
1729    endif()
1730  endforeach()
1731endif()
1732
1733if(NOT WIN32)
1734  curl_internal_test(HAVE_CLOCK_GETTIME_MONOTONIC)  # Check clock_gettime(CLOCK_MONOTONIC, x) support
1735endif()
1736
1737if(APPLE)
1738  curl_internal_test(HAVE_BUILTIN_AVAILABLE)  # Check compiler support of __builtin_available()
1739endif()
1740
1741# Some other minor tests
1742
1743if(NOT HAVE_IN_ADDR_T)
1744  set(in_addr_t "unsigned long")
1745endif()
1746
1747# Check for nonblocking
1748set(HAVE_DISABLED_NONBLOCKING 1)
1749if(HAVE_FIONBIO OR
1750   HAVE_IOCTLSOCKET OR
1751   HAVE_IOCTLSOCKET_CASE OR
1752   HAVE_O_NONBLOCK)
1753  unset(HAVE_DISABLED_NONBLOCKING)
1754endif()
1755
1756if(CMAKE_COMPILER_IS_GNUCC AND APPLE)
1757  include(CheckCCompilerFlag)
1758  check_c_compiler_flag("-Wno-long-double" HAVE_C_FLAG_Wno_long_double)
1759  if(HAVE_C_FLAG_Wno_long_double)
1760    # The Mac version of GCC warns about use of long double. Disable it.
1761    get_source_file_property(_mprintf_compile_flags "mprintf.c" COMPILE_FLAGS)
1762    if(_mprintf_compile_flags)
1763      set(_mprintf_compile_flags "${_mprintf_compile_flags} -Wno-long-double")
1764    else()
1765      set(_mprintf_compile_flags "-Wno-long-double")
1766    endif()
1767    set_source_files_properties("mprintf.c" PROPERTIES
1768      COMPILE_FLAGS ${_mprintf_compile_flags})
1769  endif()
1770endif()
1771
1772include(CMake/OtherTests.cmake)
1773
1774add_definitions("-DHAVE_CONFIG_H")
1775
1776# For Windows, all compilers used by CMake should support large files
1777if(WIN32)
1778  set(USE_WIN32_LARGE_FILES ON)
1779
1780  # Use the manifest embedded in the Windows Resource
1781  set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} -DCURL_EMBED_MANIFEST")
1782
1783  # We use crypto functions that are not available for UWP apps
1784  if(NOT WINDOWS_STORE)
1785    set(USE_WIN32_CRYPTO ON)
1786  endif()
1787
1788  # Link required libraries for USE_WIN32_CRYPTO or USE_SCHANNEL
1789  if(USE_WIN32_CRYPTO OR USE_SCHANNEL)
1790    list(APPEND CURL_LIBS "advapi32" "crypt32")
1791  endif()
1792endif()
1793
1794if(MSVC)
1795  # Disable default manifest added by CMake
1796  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
1797
1798  add_definitions("-D_CRT_SECURE_NO_DEPRECATE" "-D_CRT_NONSTDC_NO_DEPRECATE")
1799  if(CMAKE_C_FLAGS MATCHES "/W[0-4]")
1800    string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
1801  else()
1802    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
1803  endif()
1804
1805  # Use multithreaded compilation on VS 2008+
1806  if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND MSVC_VERSION GREATER_EQUAL 1500)
1807    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")
1808  endif()
1809endif()
1810
1811if(CURL_WERROR)
1812  if(MSVC)
1813    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
1814  else()
1815    # This assumes clang or gcc style options
1816    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
1817  endif()
1818endif()
1819
1820if(CURL_LTO)
1821  if(CMAKE_VERSION VERSION_LESS 3.9)
1822    message(FATAL_ERROR "LTO has been requested, but your cmake version ${CMAKE_VERSION} is to old. You need at least 3.9")
1823  endif()
1824
1825  cmake_policy(SET CMP0069 NEW)
1826
1827  include(CheckIPOSupported)
1828  check_ipo_supported(RESULT CURL_HAS_LTO OUTPUT _lto_error LANGUAGES C)
1829  if(CURL_HAS_LTO)
1830    message(STATUS "LTO supported and enabled")
1831  else()
1832    message(FATAL_ERROR "LTO has been requested, but the compiler does not support it\n${_lto_error}")
1833  endif()
1834endif()
1835
1836
1837# Ugly (but functional) way to include "Makefile.inc" by transforming it
1838# (= regenerate it).
1839function(transform_makefile_inc _input_file _output_file)
1840  file(READ ${_input_file} _makefile_inc_text)
1841  string(REPLACE "$(top_srcdir)"   "\${PROJECT_SOURCE_DIR}" _makefile_inc_text ${_makefile_inc_text})
1842  string(REPLACE "$(top_builddir)" "\${PROJECT_BINARY_DIR}" _makefile_inc_text ${_makefile_inc_text})
1843
1844  string(REGEX REPLACE "\\\\\n" "!π!α!" _makefile_inc_text ${_makefile_inc_text})
1845  string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "set(\\1 \\2)" _makefile_inc_text ${_makefile_inc_text})
1846  string(REPLACE "!π!α!" "\n" _makefile_inc_text ${_makefile_inc_text})
1847
1848  # Replace $() with ${}
1849  string(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" _makefile_inc_text ${_makefile_inc_text})
1850  # Replace @@ with ${}, even if that may not be read by CMake scripts.
1851  string(REGEX REPLACE "@([a-zA-Z_][a-zA-Z0-9_]*)@" "\${\\1}" _makefile_inc_text ${_makefile_inc_text})
1852
1853  file(WRITE ${_output_file} ${_makefile_inc_text})
1854  set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${_input_file}")
1855endfunction()
1856
1857include(GNUInstallDirs)
1858
1859set(_install_cmake_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
1860set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
1861set(_generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
1862set(_project_config "${_generated_dir}/${PROJECT_NAME}Config.cmake")
1863set(_version_config "${_generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
1864
1865option(BUILD_TESTING "Build tests" ON)
1866if(BUILD_TESTING AND PERL_FOUND AND NOT CURL_DISABLE_TESTS)
1867  set(CURL_BUILD_TESTING ON)
1868else()
1869  set(CURL_BUILD_TESTING OFF)
1870endif()
1871
1872if(HAVE_MANUAL_TOOLS)
1873  set(CURL_MANPAGE "${PROJECT_BINARY_DIR}/docs/cmdline-opts/curl.1")
1874  set(CURL_ASCIIPAGE "${PROJECT_BINARY_DIR}/docs/cmdline-opts/curl.txt")
1875  add_subdirectory(docs)
1876endif()
1877
1878add_subdirectory(lib)
1879
1880if(BUILD_CURL_EXE)
1881  add_subdirectory(src)
1882endif()
1883
1884option(BUILD_EXAMPLES "Build libcurl examples" ON)
1885if(BUILD_EXAMPLES)
1886  add_subdirectory(docs/examples)
1887endif()
1888
1889if(CURL_BUILD_TESTING)
1890  add_subdirectory(tests)
1891endif()
1892
1893# Helper to populate a list (_items) with a label when conditions
1894# (the remaining args) are satisfied
1895macro(_add_if _label)
1896  # Needs to be a macro to allow this indirection
1897  if(${ARGN})
1898    set(_items ${_items} "${_label}")
1899  endif()
1900endmacro()
1901
1902# NTLM support requires crypto functions from various SSL libs.
1903# These conditions must match those in lib/curl_setup.h.
1904if(NOT CURL_DISABLE_NTLM AND
1905   (USE_OPENSSL OR
1906    USE_MBEDTLS OR
1907    USE_GNUTLS OR
1908    USE_SECTRANSP OR
1909    USE_WIN32_CRYPTO OR
1910    (USE_WOLFSSL AND HAVE_WOLFSSL_DES_ECB_ENCRYPT)))
1911  set(_use_curl_ntlm_core ON)
1912endif()
1913
1914# Clear list and try to detect available protocols
1915unset(_items)
1916_add_if("HTTP"          NOT CURL_DISABLE_HTTP)
1917_add_if("HTTPS"         NOT CURL_DISABLE_HTTP AND _ssl_enabled)
1918_add_if("FTP"           NOT CURL_DISABLE_FTP)
1919_add_if("FTPS"          NOT CURL_DISABLE_FTP AND _ssl_enabled)
1920_add_if("FILE"          NOT CURL_DISABLE_FILE)
1921_add_if("TELNET"        NOT CURL_DISABLE_TELNET)
1922_add_if("LDAP"          NOT CURL_DISABLE_LDAP)
1923# CURL_DISABLE_LDAP implies CURL_DISABLE_LDAPS
1924_add_if("LDAPS"         NOT CURL_DISABLE_LDAPS AND
1925                        ((USE_OPENLDAP AND _ssl_enabled) OR
1926                        (NOT USE_OPENLDAP AND HAVE_LDAP_SSL)))
1927_add_if("DICT"          NOT CURL_DISABLE_DICT)
1928_add_if("TFTP"          NOT CURL_DISABLE_TFTP)
1929_add_if("GOPHER"        NOT CURL_DISABLE_GOPHER)
1930_add_if("GOPHERS"       NOT CURL_DISABLE_GOPHER AND _ssl_enabled)
1931_add_if("POP3"          NOT CURL_DISABLE_POP3)
1932_add_if("POP3S"         NOT CURL_DISABLE_POP3 AND _ssl_enabled)
1933_add_if("IMAP"          NOT CURL_DISABLE_IMAP)
1934_add_if("IMAPS"         NOT CURL_DISABLE_IMAP AND _ssl_enabled)
1935_add_if("SMB"           NOT CURL_DISABLE_SMB AND
1936                        _use_curl_ntlm_core AND (SIZEOF_CURL_OFF_T GREATER 4))
1937_add_if("SMBS"          NOT CURL_DISABLE_SMB AND _ssl_enabled AND
1938                        _use_curl_ntlm_core AND (SIZEOF_CURL_OFF_T GREATER 4))
1939_add_if("SMTP"          NOT CURL_DISABLE_SMTP)
1940_add_if("SMTPS"         NOT CURL_DISABLE_SMTP AND _ssl_enabled)
1941_add_if("SCP"           USE_LIBSSH2 OR USE_LIBSSH OR USE_WOLFSSH)
1942_add_if("SFTP"          USE_LIBSSH2 OR USE_LIBSSH OR USE_WOLFSSH)
1943_add_if("IPFS"          NOT CURL_DISABLE_IPFS)
1944_add_if("IPNS"          NOT CURL_DISABLE_IPFS)
1945_add_if("RTSP"          NOT CURL_DISABLE_RTSP)
1946_add_if("RTMP"          USE_LIBRTMP)
1947_add_if("MQTT"          NOT CURL_DISABLE_MQTT)
1948_add_if("WS"            NOT CURL_DISABLE_WEBSOCKETS)
1949_add_if("WSS"           NOT CURL_DISABLE_WEBSOCKETS AND _ssl_enabled)
1950if(_items)
1951  list(SORT _items)
1952endif()
1953string(REPLACE ";" " " SUPPORT_PROTOCOLS "${_items}")
1954string(TOLOWER "${SUPPORT_PROTOCOLS}" _support_protocols_lower)
1955message(STATUS "Protocols: ${_support_protocols_lower}")
1956
1957# Clear list and try to detect available features
1958unset(_items)
1959_add_if("SSL"           _ssl_enabled)
1960_add_if("IPv6"          ENABLE_IPV6)
1961_add_if("UnixSockets"   USE_UNIX_SOCKETS)
1962_add_if("libz"          HAVE_LIBZ)
1963_add_if("brotli"        HAVE_BROTLI)
1964_add_if("gsasl"         USE_GSASL)
1965_add_if("zstd"          HAVE_ZSTD)
1966_add_if("AsynchDNS"     USE_ARES OR USE_THREADS_POSIX OR USE_THREADS_WIN32)
1967_add_if("IDN"           (HAVE_LIBIDN2 AND HAVE_IDN2_H) OR
1968                        USE_WIN32_IDN OR
1969                        USE_APPLE_IDN)
1970_add_if("Largefile"     (SIZEOF_CURL_OFF_T GREATER 4) AND
1971                        ((SIZEOF_OFF_T GREATER 4) OR USE_WIN32_LARGE_FILES))
1972_add_if("SSPI"          USE_WINDOWS_SSPI)
1973_add_if("GSS-API"       HAVE_GSSAPI)
1974_add_if("alt-svc"       NOT CURL_DISABLE_ALTSVC)
1975_add_if("HSTS"          NOT CURL_DISABLE_HSTS)
1976_add_if("SPNEGO"        NOT CURL_DISABLE_NEGOTIATE_AUTH AND
1977                        (HAVE_GSSAPI OR USE_WINDOWS_SSPI))
1978_add_if("Kerberos"      NOT CURL_DISABLE_KERBEROS_AUTH AND
1979                        (HAVE_GSSAPI OR USE_WINDOWS_SSPI))
1980_add_if("NTLM"          NOT (CURL_DISABLE_NTLM) AND
1981                        (_use_curl_ntlm_core OR USE_WINDOWS_SSPI))
1982_add_if("TLS-SRP"       USE_TLS_SRP)
1983_add_if("HTTP2"         USE_NGHTTP2)
1984_add_if("HTTP3"         USE_NGTCP2 OR USE_QUICHE OR USE_MSH3 OR USE_OPENSSL_QUIC)
1985_add_if("MultiSSL"      CURL_WITH_MULTI_SSL)
1986_add_if("HTTPS-proxy"   _ssl_enabled AND (USE_OPENSSL OR USE_GNUTLS
1987                        OR USE_SCHANNEL OR USE_RUSTLS OR USE_BEARSSL OR
1988                        USE_MBEDTLS OR USE_SECTRANSP OR
1989                        (USE_WOLFSSL AND HAVE_WOLFSSL_BIO)))
1990_add_if("Unicode"       ENABLE_UNICODE)
1991_add_if("threadsafe"    HAVE_ATOMIC OR
1992                        (USE_THREADS_POSIX AND HAVE_PTHREAD_H) OR
1993                        (WIN32 AND HAVE_WIN32_WINNT GREATER_EQUAL 0x0600))
1994_add_if("Debug"         ENABLE_DEBUG)
1995_add_if("TrackMemory"   ENABLE_CURLDEBUG)
1996_add_if("ECH"           _ssl_enabled AND HAVE_ECH)
1997_add_if("PSL"           USE_LIBPSL)
1998_add_if("CAcert"        CURL_CA_EMBED_SET)
1999if(_items)
2000  if(NOT CMAKE_VERSION VERSION_LESS 3.13)
2001    list(SORT _items CASE INSENSITIVE)
2002  else()
2003    list(SORT _items)
2004  endif()
2005endif()
2006string(REPLACE ";" " " SUPPORT_FEATURES "${_items}")
2007message(STATUS "Features: ${SUPPORT_FEATURES}")
2008
2009# Clear list and collect SSL backends
2010unset(_items)
2011_add_if("Schannel"         _ssl_enabled AND USE_SCHANNEL)
2012_add_if("OpenSSL"          _ssl_enabled AND USE_OPENSSL AND OPENSSL_VERSION VERSION_LESS 3.0.0)
2013_add_if("OpenSSL v3+"      _ssl_enabled AND USE_OPENSSL AND NOT OPENSSL_VERSION VERSION_LESS 3.0.0)
2014_add_if("Secure Transport" _ssl_enabled AND USE_SECTRANSP)
2015_add_if("mbedTLS"          _ssl_enabled AND USE_MBEDTLS)
2016_add_if("BearSSL"          _ssl_enabled AND USE_BEARSSL)
2017_add_if("wolfSSL"          _ssl_enabled AND USE_WOLFSSL)
2018_add_if("GnuTLS"           _ssl_enabled AND USE_GNUTLS)
2019_add_if("rustls"           _ssl_enabled AND USE_RUSTLS)
2020
2021if(_items)
2022  if(NOT CMAKE_VERSION VERSION_LESS 3.13)
2023    list(SORT _items CASE INSENSITIVE)
2024  else()
2025    list(SORT _items)
2026  endif()
2027endif()
2028string(REPLACE ";" " " SSL_BACKENDS "${_items}")
2029message(STATUS "Enabled SSL backends: ${SSL_BACKENDS}")
2030if(CURL_DEFAULT_SSL_BACKEND)
2031  message(STATUS "Default SSL backend: ${CURL_DEFAULT_SSL_BACKEND}")
2032endif()
2033
2034if(NOT CURL_DISABLE_INSTALL)
2035
2036  # curl-config needs the following options to be set.
2037  set(CC                      "${CMAKE_C_COMPILER}")
2038  # TODO: probably put a -D... options here?
2039  set(CONFIGURE_OPTIONS       "")
2040  set(CURLVERSION             "${_curl_version}")
2041  set(VERSIONNUM              "${_curl_version_num}")
2042  set(prefix                  "${CMAKE_INSTALL_PREFIX}")
2043  set(exec_prefix             "\${prefix}")
2044  if(IS_ABSOLUTE ${CMAKE_INSTALL_INCLUDEDIR})
2045    set(includedir            "${CMAKE_INSTALL_INCLUDEDIR}")
2046  else()
2047    set(includedir            "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
2048  endif()
2049  if(IS_ABSOLUTE ${CMAKE_INSTALL_LIBDIR})
2050    set(libdir                "${CMAKE_INSTALL_LIBDIR}")
2051  else()
2052    set(libdir                "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
2053  endif()
2054  set(LDFLAGS                 "${CMAKE_SHARED_LINKER_FLAGS}")
2055  # "a" (Linux) or "lib" (Windows)
2056  string(REPLACE "." "" libext "${CMAKE_STATIC_LIBRARY_SUFFIX}")
2057
2058  set(_ldflags "")
2059  set(LIBCURL_PC_LIBS_PRIVATE "")
2060
2061  # Avoid getting unnecessary -L options for known system directories.
2062  unset(_sys_libdirs)
2063  foreach(_libdir IN LISTS CMAKE_SYSTEM_PREFIX_PATH)
2064    if(_libdir MATCHES "/$")
2065      set(_libdir "${_libdir}lib")
2066    else()
2067      set(_libdir "${_libdir}/lib")
2068    endif()
2069    if(IS_DIRECTORY "${_libdir}")
2070      list(APPEND _sys_libdirs "${_libdir}")
2071    endif()
2072    if(DEFINED CMAKE_LIBRARY_ARCHITECTURE)
2073      set(_libdir "${_libdir}/${CMAKE_LIBRARY_ARCHITECTURE}")
2074      if(IS_DIRECTORY "${_libdir}")
2075        list(APPEND _sys_libdirs "${_libdir}")
2076      endif()
2077    endif()
2078  endforeach()
2079
2080  foreach(_libdir IN LISTS CURL_LIBDIRS)
2081    list(FIND _sys_libdirs "${_libdir}" _libdir_index)
2082    if(_libdir_index LESS 0)
2083      list(APPEND _ldflags "-L${_libdir}")
2084    endif()
2085  endforeach()
2086
2087  unset(_implicit_libs)
2088  if(NOT MINGW AND NOT UNIX)
2089    set(_implicit_libs ${CMAKE_C_IMPLICIT_LINK_LIBRARIES})
2090  endif()
2091
2092  foreach(_lib IN LISTS _implicit_libs CURL_LIBS)
2093    if(TARGET "${_lib}")
2094      set(_libname "${_lib}")
2095      get_target_property(_imported "${_libname}" IMPORTED)
2096      if(NOT _imported)
2097        # Reading the LOCATION property on non-imported target will error out.
2098        # Assume the user will not need this information in the .pc file.
2099        continue()
2100      endif()
2101      get_target_property(_lib "${_libname}" LOCATION)
2102      if(NOT _lib)
2103        message(WARNING "Bad lib in library list: ${_libname}")
2104        continue()
2105      endif()
2106    endif()
2107    if(_lib MATCHES "^-")  # '-framework <name>'
2108      list(APPEND _ldflags "${_lib}")
2109    elseif(_lib MATCHES ".*/.*")
2110      # This gets a bit more complex, because we want to specify the
2111      # directory separately, and only once per directory
2112      get_filename_component(_libdir ${_lib} DIRECTORY)
2113      get_filename_component(_libname ${_lib} NAME_WE)
2114      if(_libname MATCHES "^lib")
2115        list(FIND _sys_libdirs "${_libdir}" _libdir_index)
2116        if(_libdir_index LESS 0)
2117          list(APPEND _ldflags "-L${_libdir}")
2118        endif()
2119        string(REGEX REPLACE "^lib" "" _libname "${_libname}")
2120        list(APPEND LIBCURL_PC_LIBS_PRIVATE "-l${_libname}")
2121      else()
2122        list(APPEND LIBCURL_PC_LIBS_PRIVATE "${_lib}")
2123      endif()
2124    else()
2125      list(APPEND LIBCURL_PC_LIBS_PRIVATE "-l${_lib}")
2126    endif()
2127  endforeach()
2128
2129  if(LIBCURL_PC_REQUIRES_PRIVATE)
2130    string(REPLACE ";" "," LIBCURL_PC_REQUIRES_PRIVATE "${LIBCURL_PC_REQUIRES_PRIVATE}")
2131  endif()
2132  if(LIBCURL_PC_LIBS_PRIVATE)
2133    string(REPLACE ";" " " LIBCURL_PC_LIBS_PRIVATE "${LIBCURL_PC_LIBS_PRIVATE}")
2134  endif()
2135  if(_ldflags)
2136    list(REMOVE_DUPLICATES _ldflags)
2137    string(REPLACE ";" " " _ldflags "${_ldflags}")
2138    set(LDFLAGS "${LDFLAGS} ${_ldflags}")
2139    string(STRIP "${LDFLAGS}" LDFLAGS)
2140  endif()
2141  set(LIBCURL_PC_CFLAGS_PRIVATE "-DCURL_STATICLIB")
2142
2143  # Merge pkg-config private fields into public ones when static-only
2144  if(BUILD_SHARED_LIBS)
2145    set(ENABLE_SHARED       "yes")
2146    set(LIBCURL_PC_REQUIRES "")
2147    set(LIBCURL_PC_LIBS     "")
2148    set(LIBCURL_PC_CFLAGS   "")
2149  else()
2150    set(ENABLE_SHARED       "no")
2151    set(LIBCURL_PC_REQUIRES "${LIBCURL_PC_REQUIRES_PRIVATE}")
2152    set(LIBCURL_PC_LIBS     "${LIBCURL_PC_LIBS_PRIVATE}")
2153    set(LIBCURL_PC_CFLAGS   "${LIBCURL_PC_CFLAGS_PRIVATE}")
2154  endif()
2155  if(BUILD_STATIC_LIBS)
2156    set(ENABLE_STATIC       "yes")
2157  else()
2158    set(ENABLE_STATIC       "no")
2159  endif()
2160
2161  # Generate a "curl-config" matching this config.
2162  # Consumed variables:
2163  #   CC
2164  #   CONFIGURE_OPTIONS
2165  #   CURLVERSION
2166  #   CURL_CA_BUNDLE
2167  #   ENABLE_SHARED
2168  #   ENABLE_STATIC
2169  #   exec_prefix
2170  #   includedir
2171  #   LDFLAGS
2172  #   LIBCURL_PC_CFLAGS
2173  #   LIBCURL_PC_LIBS_PRIVATE
2174  #   libdir
2175  #   libext
2176  #   prefix
2177  #   SSL_BACKENDS
2178  #   SUPPORT_FEATURES
2179  #   SUPPORT_PROTOCOLS
2180  #   VERSIONNUM
2181  configure_file(
2182    "${PROJECT_SOURCE_DIR}/curl-config.in"
2183    "${PROJECT_BINARY_DIR}/curl-config" @ONLY)
2184  install(FILES "${PROJECT_BINARY_DIR}/curl-config"
2185    DESTINATION ${CMAKE_INSTALL_BINDIR}
2186    PERMISSIONS
2187      OWNER_READ OWNER_WRITE OWNER_EXECUTE
2188      GROUP_READ GROUP_EXECUTE
2189      WORLD_READ WORLD_EXECUTE)
2190
2191  # Generate a pkg-config file matching this config.
2192  # Consumed variables:
2193  #   CURLVERSION
2194  #   exec_prefix
2195  #   includedir
2196  #   LDFLAGS
2197  #   LIBCURL_PC_CFLAGS
2198  #   LIBCURL_PC_CFLAGS_PRIVATE
2199  #   LIBCURL_PC_LIBS
2200  #   LIBCURL_PC_LIBS_PRIVATE
2201  #   LIBCURL_PC_REQUIRES
2202  #   LIBCURL_PC_REQUIRES_PRIVATE
2203  #   libdir
2204  #   prefix
2205  #   SUPPORT_FEATURES
2206  #   SUPPORT_PROTOCOLS
2207  # Documentation:
2208  #   https://people.freedesktop.org/~dbn/pkg-config-guide.html
2209  #   https://manpages.debian.org/unstable/pkgconf/pkg-config.1.en.html
2210  #   https://manpages.debian.org/unstable/pkg-config/pkg-config.1.en.html
2211  #   https://www.msys2.org/docs/pkgconfig/
2212  configure_file(
2213    "${PROJECT_SOURCE_DIR}/libcurl.pc.in"
2214    "${PROJECT_BINARY_DIR}/libcurl.pc" @ONLY)
2215  install(FILES "${PROJECT_BINARY_DIR}/libcurl.pc"
2216    DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
2217
2218  # Install headers
2219  install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/curl"
2220    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
2221    FILES_MATCHING PATTERN "*.h")
2222
2223  include(CMakePackageConfigHelpers)
2224  write_basic_package_version_file(
2225    "${_version_config}"
2226    VERSION ${_curl_version}
2227    COMPATIBILITY SameMajorVersion)
2228  file(READ "${_version_config}" _generated_version_config)
2229  file(WRITE "${_version_config}" "
2230    if(NOT PACKAGE_FIND_VERSION_RANGE AND PACKAGE_FIND_VERSION_MAJOR STREQUAL \"7\")
2231      # Version 8 satisfies version 7... requirements
2232      set(PACKAGE_FIND_VERSION_MAJOR 8)
2233      set(PACKAGE_FIND_VERSION_COUNT 1)
2234    endif()
2235    ${_generated_version_config}")
2236
2237  # Consumed custom variables:
2238  #   LIB_SELECTED
2239  #   TARGETS_EXPORT_NAME
2240  #   USE_OPENSSL
2241  #   HAVE_LIBZ
2242  configure_package_config_file("CMake/curl-config.cmake.in"
2243    "${_project_config}"
2244    INSTALL_DESTINATION ${_install_cmake_dir}
2245    PATH_VARS CMAKE_INSTALL_INCLUDEDIR)
2246
2247  if(CURL_ENABLE_EXPORT_TARGET)
2248    install(EXPORT "${TARGETS_EXPORT_NAME}"
2249      NAMESPACE "${PROJECT_NAME}::"
2250      DESTINATION ${_install_cmake_dir})
2251  endif()
2252
2253  install(FILES ${_version_config} ${_project_config}
2254    DESTINATION ${_install_cmake_dir})
2255
2256  # Workaround for MSVS10 to avoid the Dialog Hell
2257  # FIXME: This could be removed with future version of CMake.
2258  if(MSVC_VERSION EQUAL 1600)
2259    set(_curl_sln_filename "${CMAKE_CURRENT_BINARY_DIR}/CURL.sln")
2260    if(EXISTS "${_curl_sln_filename}")
2261      file(APPEND "${_curl_sln_filename}" "\n# This should be regenerated!\n")
2262    endif()
2263  endif()
2264
2265  if(NOT TARGET curl_uninstall)
2266    configure_file(
2267      "${CMAKE_CURRENT_SOURCE_DIR}/CMake/cmake_uninstall.cmake.in"
2268      "${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake"
2269      IMMEDIATE @ONLY)
2270
2271    add_custom_target(curl_uninstall
2272      COMMAND ${CMAKE_COMMAND} -P "${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake")
2273  endif()
2274
2275  install(FILES "${PROJECT_SOURCE_DIR}/scripts/mk-ca-bundle.pl"
2276    DESTINATION ${CMAKE_INSTALL_BINDIR}
2277    PERMISSIONS
2278      OWNER_READ OWNER_WRITE OWNER_EXECUTE
2279      GROUP_READ GROUP_EXECUTE
2280      WORLD_READ WORLD_EXECUTE)
2281
2282  # The `-DEV` part is important
2283  string(REGEX REPLACE "([0-9]+\.[0-9]+)\.([0-9]+.*)" "\\2" CPACK_PACKAGE_VERSION_PATCH "${_curl_version}")
2284  set(CPACK_GENERATOR "TGZ")
2285  include(CPack)
2286endif()
2287
2288# Save build info for test runner to pick up and log
2289if(CMAKE_OSX_SYSROOT)
2290  set(_cmake_sysroot ${CMAKE_OSX_SYSROOT})
2291elseif(CMAKE_SYSROOT)
2292  set(_cmake_sysroot ${CMAKE_SYSROOT})
2293endif()
2294set(_buildinfo "\
2295buildinfo.configure.tool: cmake
2296buildinfo.configure.command: ${CMAKE_COMMAND}
2297buildinfo.configure.version: ${CMAKE_VERSION}
2298buildinfo.configure.args:${_cmake_args}
2299buildinfo.configure.generator: ${CMAKE_GENERATOR}
2300buildinfo.configure.make: ${CMAKE_MAKE_PROGRAM}
2301buildinfo.host.cpu: ${CMAKE_HOST_SYSTEM_PROCESSOR}
2302buildinfo.host.os: ${CMAKE_HOST_SYSTEM_NAME}
2303buildinfo.target.cpu: ${CMAKE_SYSTEM_PROCESSOR}
2304buildinfo.target.os: ${CMAKE_SYSTEM_NAME}
2305buildinfo.target.flags:${_target_flags}
2306buildinfo.compiler: ${CMAKE_C_COMPILER_ID}
2307buildinfo.compiler.version: ${CMAKE_C_COMPILER_VERSION}
2308buildinfo.sysroot: ${_cmake_sysroot}
2309")
2310file(WRITE "${PROJECT_BINARY_DIR}/buildinfo.txt" "# This is a generated file.  Do not edit.\n${_buildinfo}")
2311if(NOT "$ENV{CURL_BUILDINFO}$ENV{CURL_CI}$ENV{CI}" STREQUAL "")
2312  message(STATUS "\n${_buildinfo}")
2313endif()
2314