cmake check_c_source_compiles examples

Signatures

check_c_source_compiles(<code> <resultVar>
  [FAIL_REGEX <regex1> [<regex2>...]])

Examples

alicevision/AliceVision src/cmake/CheckCCompilerFlag.cmake :29 

CHECK_C_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "error: bad value (.*) for .* switch"       # GNU
     FAIL_REGEX "argument unused during compilation"        # clang
     FAIL_REGEX "is valid for .* but not for C"             # GNU
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "WARNING: unknown flag:"                    # Open64
     FAIL_REGEX " #10159: "                                 # ICC
     )

godlikepanos/anki-3d-engine ThirdParty/Sdl3/cmake/macros.cmake :316 

check_c_source_compiles("int main(int argc,char*argv[]){(void)argc;(void)argv;return 0;}" ${VAR} FAIL_REGEX "(unsupported|syntax error)")

cadaver/turso3d ThirdParty/SDL/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

Hork-Engine/Hork-Source ThirdParty/SDL3/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

RavEngine/RavEngine deps/SDL/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

ANTsX/ANTs CMake/ITK_CheckCCompilerFlag.cmake :28 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "warning: command line option .* is valid for .* but not for C"
                                                            # Apple gcc
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "unknown .*option"                          # Clang
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "warning D9002"                             # MSVC, any lang
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "warning #10156: ignoring option"       # INTEL compilers
     )

BRAINSia/BRAINSTools CMake/ITK_CheckCCompilerFlag.cmake :28 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "warning: command line option .* is valid for .* but not for C"
                                                            # Apple gcc
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "unknown .*option"                          # Clang
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "warning D9002"                             # MSVC, any lang
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "warning #10156: ignoring option"       # INTEL compilers
     )

brndnmtthws/conky 3rdparty/Vc/cmake/CheckCCompilerFlag.cmake :52 

CHECK_C_SOURCE_COMPILES("${TEST_SOURCE}" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "error: bad value (.*) for .* switch"       # GNU
     FAIL_REGEX "argument unused during compilation"        # clang
     FAIL_REGEX "is valid for .* but not for C"             # GNU
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "ignored for target"                        # GNU
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "warning D9002"                             # MSVC
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "WARNING: unknown flag:"                    # Open64
     FAIL_REGEX "command line error"                        # ICC
     FAIL_REGEX "command line warning"                      # ICC
     FAIL_REGEX "#10236:"                                   # ICC: File not found
     FAIL_REGEX " #10159: "                                 # ICC
     FAIL_REGEX " #10353: "                                 # ICC: option '-mfma' ignored, suggest using '-march=core-avx2'
     )

percona/percona-xtrabackup configure.cmake :589 

CHECK_C_SOURCE_COMPILES("
#include <sys/types.h>
#include <pthread.h>
int main(int ac, char **av)
{
  unsigned long long tid = pthread_self();
  return (tid != 0 ? 0 : 1);
}"
HAVE_INTEGER_PTHREAD_SELF
FAIL_REGEX "warning: incompatible pointer to integer conversion"
)

mysql/mysql-server CMakeLists.txt :991 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

FilmKilns/FilmKilns src/skia/third_party/externals/libwebp/cmake/cpu.cmake :120 

check_c_source_compiles("int main(void) {return 0;}"
                                  FLAG_${SIMD_COMPILE_FLAG}
                                  FAIL_REGEX
                                  "warning: argument unused during compilation:"
                                  ${COMMON_PATTERNS})

alibaba/AliSQL CMakeLists.txt :225 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    )

InsightSoftwareConsortium/ITK Modules/ThirdParty/HDF5/src/itkhdf5/config/cmake/ZLIBNG/CMakeLists.txt :416 

check_c_source_compiles(
    "#define Z_INTERNAL __attribute__((visibility (\"hidden\")))
    int Z_INTERNAL foo;
    int main() {
        return 0;
    }"
    HAVE_ATTRIBUTE_VISIBILITY_HIDDEN FAIL_REGEX "visibility")

ComputationalBiomechanicsLab/opensim-creator third_party/SDL/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

logicalclocks/rondb CMakeLists.txt :964 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

VcDevel/Vc cmake/CheckCCompilerFlag.cmake :52 

CHECK_C_SOURCE_COMPILES("${TEST_SOURCE}" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "error: bad value (.*) for .* switch"       # GNU
     FAIL_REGEX "argument unused during compilation"        # clang
     FAIL_REGEX "is valid for .* but not for C"             # GNU
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "ignored for target"                        # GNU
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "warning D9002"                             # MSVC
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "WARNING: unknown flag:"                    # Open64
     FAIL_REGEX "command line error"                        # ICC
     FAIL_REGEX "command line warning"                      # ICC
     FAIL_REGEX "#10236:"                                   # ICC: File not found
     FAIL_REGEX " #10159: "                                 # ICC
     FAIL_REGEX " #10353: "                                 # ICC: option '-mfma' ignored, suggest using '-march=core-avx2'
     )

cvet/fonline ThirdParty/SDL/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

nsimplex/ktools cmake/thirdparty/CheckCCompilerFlag.cmake :52 

CHECK_C_SOURCE_COMPILES("${TEST_SOURCE}" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "error: bad value (.*) for .* switch"       # GNU
     FAIL_REGEX "argument unused during compilation"        # clang
     FAIL_REGEX "is valid for .* but not for C"             # GNU
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "ignored for target"                        # GNU
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "WARNING: unknown flag:"                    # Open64
     FAIL_REGEX "command line error"                        # ICC
     FAIL_REGEX "command line warning"                      # ICC
     FAIL_REGEX "#10236:"                                   # ICC: File not found
     FAIL_REGEX " #10159: "                                 # ICC
     FAIL_REGEX " #10353: "                                 # ICC: option '-mfma' ignored, suggest using '-march=core-avx2'
     )

facebook/mysql-5.6 CMakeLists.txt :1021 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

polardb/polardbx-engine CMakeLists.txt :976 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

GreatSQL/GreatSQL CMakeLists.txt :1014 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

percona/percona-xtradb-cluster CMakeLists.txt :1055 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

Ravbug/UnityHubNative wxWidgets/3rdparty/libwebp/cmake/cpu.cmake :145 

check_c_source_compiles(
            "int main(void) {return 0;}" FLAG_${SIMD_COMPILE_FLAG} FAIL_REGEX
            "warning: argument unused during compilation:" ${COMMON_PATTERNS})

percona/percona-server CMakeLists.txt :1063 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unknown argument ignored"
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

swift-nav/libswiftnav-legacy cmake/CheckCCompilerFlag.cmake :29 

CHECK_C_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "error: bad value (.*) for .* switch"       # GNU
     FAIL_REGEX "argument unused during compilation"        # clang
     FAIL_REGEX "is valid for .* but not for C"             # GNU
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "ignored for target"                        # GNU
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "WARNING: unknown flag:"                    # Open64
     FAIL_REGEX " #10159: "                                 # ICC
     )

clibs/cmocka cmake/Modules/CheckCCompilerFlagSSP.cmake :35 

check_c_source_compiles("int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}"
                           ${_RESULT}
                           # Some compilers do not fail with a bad flag
                           FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU
                           ${_CheckCCompilerFlag_COMMON_PATTERNS})

libsdl-org/SDL_shadercross cmake/PrivateSdlFunctions.cmake :247 

check_c_source_compiles("int main() { return 0; }" ${var} FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

tbamud/tbamud CMakeLists.txt :261 

check_c_source_compiles("
    #include <signal.h>
    int handler(int sig) { return 0; }
    int main() {
        signal(SIGINT, handler);
        return 1;
    }
" SIGNAL_RETURNS_INT FAIL_REGEX ".*incompatible pointer type.*")

boundary/wireshark cmake/modules/CheckCCompilerFlag.cmake :35 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT}
     # Some compilers do not fail with a bad flag
     FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU
     FAIL_REGEX "unrecognized .*option"                     # GNU
     FAIL_REGEX "unknown .*option"                          # Clang
     FAIL_REGEX "ignoring unknown option"                   # MSVC
     FAIL_REGEX "warning D9002"                             # MSVC, any lang
     FAIL_REGEX "option.*not supported"                     # Intel
     FAIL_REGEX "invalid argument .*option"                 # Intel
     FAIL_REGEX "ignoring option .*argument required"       # Intel
     FAIL_REGEX "[Uu]nknown option"                         # HP
     FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
     FAIL_REGEX "command option .* is not recognized"       # XL
     FAIL_REGEX "WARNING: unknown flag:"                    # Open64
     )

joedrago/colorist ext/libwebp/cmake/cpu.cmake :120 

check_c_source_compiles("int main(void) {return 0;}"
                                  FLAG_${SIMD_COMPILE_FLAG}
                                  FAIL_REGEX
                                  "warning: argument unused during compilation:"
                                  ${COMMON_PATTERNS})

mxcop/src-dgi extern/sdl/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")

google/mysql-protobuf CMakeLists.txt :237 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    )

Tokutek/mysql-5.5 CMakeLists.txt :185 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    )

mongodb/mongo-bi-connector-odbc-driver CMakeLists.txt :136 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    FAIL_REGEX "error: visibility"
    FAIL_REGEX "warning: visibility"
    )

SmartThingsCommunity/st-device-sdk-c test/framework/cmocka/cmake/Modules/CheckCCompilerFlagSSP.cmake :35 

check_c_source_compiles("int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}"
                           ${_RESULT}
                           # Some compilers do not fail with a bad flag
                           FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU
                           ${_CheckCCompilerFlag_COMMON_PATTERNS})

HDFGroup/hdf5 config/cmake/ZLIBNG/CMakeLists.txt :252 

check_c_source_compiles(
        "int main() { return 0; }"
        FNO_LTO_AVAILABLE FAIL_REGEX "not supported")

merzlab/QUICK cmake/CheckLinkerFlag.cmake :33 

CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
			# Some compilers do not fail with a bad flag
			FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU
			${_CheckLinkerFlag_COMMON_PATTERNS}
			)

ChisBread/transmission_pt_edition cmake/FindICONV.cmake :25 

check_c_source_compiles("
        #include <iconv.h>
        int main()
        {
            iconv_t conv = 0;
            const char * in = 0;
            size_t ilen = 0;
            char * out = 0;
            size_t olen = 0;
            iconv(conv, &in, &ilen, &out, &olen);
            return 0;
        }"
        ICONV_SECOND_ARGUMENT_IS_CONST
        FAIL_REGEX "incompatible pointer type"
        FAIL_REGEX "discards qualifiers in nested pointer types")

tanis2000/binocle-c src/deps/sdl/cmake/macros.cmake :304 

check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")