1# C++ compile/link options for Protobuf. 2 3COPTS = select({ 4 "//build_defs:config_msvc": [ 5 "/wd4065", # switch statement contains 'default' but no 'case' labels 6 "/wd4244", # 'conversion' conversion from 'type1' to 'type2', possible loss of data 7 "/wd4251", # 'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2' 8 "/wd4267", # 'var' : conversion from 'size_t' to 'type', possible loss of data 9 "/wd4305", # 'identifier' : truncation from 'type1' to 'type2' 10 "/wd4307", # 'operator' : integral constant overflow 11 "/wd4309", # 'conversion' : truncation of constant value 12 "/wd4334", # 'operator' : result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) 13 "/wd4355", # 'this' : used in base member initializer list 14 "/wd4506", # no definition for inline function 'function' 15 "/wd4800", # 'type' : forcing value to bool 'true' or 'false' (performance warning) 16 "/wd4996", # The compiler encountered a deprecated declaration. 17 ], 18 "//conditions:default": [ 19 "-DHAVE_ZLIB", 20 "-Woverloaded-virtual", 21 "-Wno-sign-compare", 22 ], 23}) 24 25# Android and MSVC builds do not need to link in a separate pthread library. 26LINK_OPTS = select({ 27 "//build_defs:config_android": [], 28 "//build_defs:config_android-stlport": [], 29 "//build_defs:config_android-libcpp": [], 30 "//build_defs:config_android-gnu-libstdcpp": [], 31 "//build_defs:config_android-default": [], 32 "//build_defs:config_msvc": [ 33 # Suppress linker warnings about files with no symbols defined. 34 "-ignore:4221", 35 ], 36 "//conditions:default": [ 37 "-lpthread", 38 "-lm", 39 ], 40}) 41 42# When cross-compiling for Windows we need to statically link pthread and the C++ library. 43PROTOC_LINK_OPTS = select({ 44 "//build_defs:config_win32": ["-static"], 45 "//build_defs:config_win64": ["-static"], 46 "//conditions:default": [], 47}) 48