1include(CheckCSourceCompiles) 2 3check_c_source_compiles(" 4 #include <wchar.h> 5 mbstate_t x; 6 int main() { return 0; }" 7 HAVE_MBSTATE) 8if(NOT HAVE_MBSTATE) 9 check_c_source_compiles(" 10 #define _XOPEN_SOURCE 500 11 #include <wchar.h> 12 mbstate_t x; 13 int main() { return 0; }" 14 DODEFINE_XOPEN_SOURCE) 15endif() 16check_c_source_compiles(" 17 #define __EXTENSIONS__ 1 18 #include <stdio.h> 19 #ifdef HAVE_SYS_TYPES_H 20 # include <sys/types.h> 21 #endif 22 #ifdef HAVE_SYS_STAT_H 23 # include <sys/stat.h> 24 #endif 25 #ifdef STDC_HEADERS 26 # include <stdlib.h> 27 # include <stddef.h> 28 #else 29 # ifdef HAVE_STDLIB_H 30 # include <stdlib.h> 31 # endif 32 #endif 33 #ifdef HAVE_STRING_H 34 # if !defined STDC_HEADERS && defined HAVE_MEMORY_H 35 # include <memory.h> 36 # endif 37 # include <string.h> 38 #endif 39 #ifdef HAVE_STRINGS_H 40 # include <strings.h> 41 #endif 42 #ifdef HAVE_INTTYPES_H 43 # include <inttypes.h> 44 #endif 45 #ifdef HAVE_STDINT_H 46 # include <stdint.h> 47 #endif 48 #ifdef HAVE_UNISTD_H 49 # include <unistd.h> 50 #endif 51 int main() { return 0; }" 52 DODEFINE_EXTENSIONS) 53 54add_definitions( 55 -D_DARWIN_C_SOURCE 56 -D_POSIX_PTHREAD_SEMANTICS 57 -D__STDC_WANT_IEC_60559_BFP_EXT__ 58 -D__STDC_WANT_IEC_60559_DFP_EXT__ 59 -D__STDC_WANT_IEC_60559_FUNCS_EXT__ 60 -D__STDC_WANT_IEC_60559_TYPES_EXT__ 61 -D__STDC_WANT_LIB_EXT2__ 62 -D__STDC_WANT_MATH_SPEC_FUNCS__ 63 -D_TANDEM_SOURCE) 64