1*663afb9bSAndroid Build Coastguard Worker# Check if the function is available. 2*663afb9bSAndroid Build Coastguard Worker# HAVE_XXX will be defined if yes. 3*663afb9bSAndroid Build Coastguard Worker 4*663afb9bSAndroid Build Coastguard Worker# $1: the name of function 5*663afb9bSAndroid Build Coastguard Worker# $2: the headers in where the function declared 6*663afb9bSAndroid Build Coastguard WorkerAC_DEFUN([AX_CHECK_DECL_EX], [dnl 7*663afb9bSAndroid Build Coastguard Worker AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) 8*663afb9bSAndroid Build Coastguard Worker AS_VAR_PUSHDEF([have_func_var], [HAVE_[]m4_toupper($1)]) 9*663afb9bSAndroid Build Coastguard Worker AC_CHECK_DECL([$1],dnl 10*663afb9bSAndroid Build Coastguard Worker [AC_DEFINE([have_func_var], [1], [Define to 1 if you have the `$1' function.])],,dnl 11*663afb9bSAndroid Build Coastguard Worker [$2]dnl 12*663afb9bSAndroid Build Coastguard Worker ) 13*663afb9bSAndroid Build Coastguard Worker AS_VAR_POPDEF([have_func_var])dnl 14*663afb9bSAndroid Build Coastguard Worker]) 15*663afb9bSAndroid Build Coastguard Worker 16*663afb9bSAndroid Build Coastguard WorkerAC_DEFUN([AX_CHECK_DECLS_EX], [dnl 17*663afb9bSAndroid Build Coastguard Worker AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) 18*663afb9bSAndroid Build Coastguard Worker m4_foreach([decl],dnl 19*663afb9bSAndroid Build Coastguard Worker m4_split(m4_normalize($1)),dnl 20*663afb9bSAndroid Build Coastguard Worker [AX_CHECK_DECL_EX([decl], [$2])]dnl 21*663afb9bSAndroid Build Coastguard Worker ) 22*663afb9bSAndroid Build Coastguard Worker]) 23