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include(CheckIncludeFile)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckStructHasMember)
include(CheckPrototypeDefinition)
include(TestBigEndian)
set(PACKAGE ${APPLICATION_NAME})
set(VERSION ${APPLICATION_VERSION})
set(DATADIR ${DATA_INSTALL_DIR})
set(LIBDIR ${LIB_INSTALL_DIR})
set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
set(BINARYDIR ${CMAKE_BINARY_DIR})
set(SOURCEDIR ${CMAKE_SOURCE_DIR})
function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
# Remove whitespaces from the argument.
# This is needed for CC="ccache gcc" cmake ..
string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
execute_process(
COMMAND
${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
OUTPUT_VARIABLE _COMPILER_VERSION
)
string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
_COMPILER_VERSION "${_COMPILER_VERSION}")
set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
endfunction()
if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
compiler_dumpversion(GNUCC_VERSION)
if (NOT GNUCC_VERSION EQUAL 34)
set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
check_c_source_compiles(
"void __attribute__((visibility(\"default\"))) test() {}
int main(void){ return 0; }
" WITH_VISIBILITY_HIDDEN)
set(CMAKE_REQUIRED_FLAGS "")
endif (NOT GNUCC_VERSION EQUAL 34)
endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
# HEADERS
check_include_file(sys/filio.h HAVE_SYS_FILIO_H)
# FUNCTIONS
check_function_exists(strncpy HAVE_STRNCPY)
check_function_exists(vsnprintf HAVE_VSNPRINTF)
check_function_exists(snprintf HAVE_SNPRINTF)
if (WIN32)
check_function_exists(_vsnprintf_s HAVE__VSNPRINTF_S)
check_function_exists(_vsnprintf HAVE__VSNPRINTF)
check_function_exists(_snprintf HAVE__SNPRINTF)
check_function_exists(_snprintf_s HAVE__SNPRINTF_S)
endif (WIN32)
if (UNIX)
if (NOT LINUX)
# libsocket (Solaris)
check_library_exists(socket getaddrinfo "" HAVE_LIBSOCKET)
if (HAVE_LIBSOCKET)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} socket)
endif (HAVE_LIBSOCKET)
# libnsl/inet_pton (Solaris)
check_library_exists(nsl inet_pton "" HAVE_LIBNSL)
if (HAVE_LIBNSL)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} nsl)
endif (HAVE_LIBNSL)
endif (NOT LINUX)
check_function_exists(getaddrinfo HAVE_GETADDRINFO)
endif (UNIX)
set(SWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "socket_wrapper required system libraries")
# STRUCT MEMBERS
check_struct_has_member("struct sockaddr" sa_len "sys/socket.h netinet/in.h" HAVE_STRUCT_SOCKADDR_SA_LEN)
# PROTOTYPES
check_prototype_definition(gettimeofday
"int gettimeofday(struct timeval *tv, struct timezone *tz)"
"-1"
"sys/time.h"
HAVE_GETTIMEOFDAY_TZ)
check_prototype_definition(gettimeofday
"int gettimeofday(struct timeval *tv, void *tzp)"
"-1"
"sys/time.h"
HAVE_GETTIMEOFDAY_TZ_VOID)
check_prototype_definition(accept
"int accept(int s, struct sockaddr *addr, Psocklen_t addrlen)"
"-1"
"sys/types.h;sys/socket.h"
HAVE_ACCEPT_PSOCKLEN_T)
check_prototype_definition(ioctl
"int ioctl(int s, int r, ...)"
"-1"
"unistd.h;sys/ioctl.h"
HAVE_IOCTL_INT)
# IPV6
check_c_source_compiles("
#include <stdlib.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <net/if.h>
int main(void) {
struct sockaddr_storage sa_store;
struct addrinfo *ai = NULL;
struct in6_addr in6addr;
int idx = if_nametoindex(\"iface1\");
int s = socket(AF_INET6, SOCK_STREAM, 0);
int ret = getaddrinfo(NULL, NULL, NULL, &ai);
if (ret != 0) {
const char *es = gai_strerror(ret);
}
freeaddrinfo(ai);
{
int val = 1;
#ifdef HAVE_LINUX_IPV6_V6ONLY_26
#define IPV6_V6ONLY 26
#endif
ret = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
(const void *)&val, sizeof(val));
}
return 0;
}" HAVE_IPV6)
check_c_source_compiles("
#include <sys/socket.h>
int main(void) {
struct sockaddr_storage s;
return 0;
}" HAVE_SOCKADDR_STORAGE)
check_c_source_compiles("
void test_destructor_attribute(void) __attribute__ ((destructor));
void test_destructor_attribute(void)
{
return;
}
int main(void) {
return 0;
}" HAVE_DESTRUCTOR_ATTRIBUTE)
check_c_source_compiles("
__thread int tls;
int main(void) {
return 0;
}" HAVE_GCC_THREAD_LOCAL_STORAGE)
check_library_exists(dl dlopen "" HAVE_LIBDL)
if (HAVE_LIBDL)
find_library(DLFCN_LIBRARY dl)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
endif (HAVE_LIBDL)
if (OSX)
set(HAVE_APPLE 1)
endif (OSX)
# ENDIAN
if (NOT WIN32)
test_big_endian(WORDS_BIGENDIAN)
endif (NOT WIN32)
set(SWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "swrap required system libraries")
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