diff options
Diffstat (limited to 'cmake/checks.cmake')
| -rw-r--r-- | cmake/checks.cmake | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/cmake/checks.cmake b/cmake/checks.cmake new file mode 100644 index 0000000..cd80856 --- /dev/null +++ b/cmake/checks.cmake @@ -0,0 +1,38 @@ +include(CheckCSourceCompiles) +include(CheckPrototypeDefinition) +include(CheckSymbolExists) +include(CheckTypeSize) +set(CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE") + + +check_c_source_compiles(" +#include <sys/types.h> +#include <sys/socket.h> +#include <netdb.h> + +int main() { + return AI_ADDRCONFIG; +} +" HAVE_AI_ADDRCONFIG) + + +check_prototype_definition("get_current_dir_name" "char *get_current_dir_name(void)" "NULL" "unistd.h" HAVE_GET_CURRENT_DIR_NAME) + + +set(RT_LIBRARY "") +check_symbol_exists("clock_gettime" "time.h" HAVE_CLOCK_GETTIME) + +if(NOT HAVE_CLOCK_GETTIME) + set(RT_LIBRARY "rt") + list(APPEND CMAKE_REQUIRED_LIBRARIES "rt") + + check_symbol_exists("clock_gettime" "time.h" HAVE_CLOCK_GETTIME_RT) + if(NOT HAVE_CLOCK_GETTIME_RT) + message(FATAL_ERROR "clock_gettime() not found") + endif(NOT HAVE_CLOCK_GETTIME_RT) +endif(NOT HAVE_CLOCK_GETTIME) + + +set(CMAKE_EXTRA_INCLUDE_FILES "netinet/if_ether.h") +check_type_size("struct ethhdr" SIZEOF_ETHHDR) +string(COMPARE NOTEQUAL "${SIZEOF_ETHHDR}" "" HAVE_ETHHDR) |