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# - Try to find libdl
# Once done this will define
#
# LIBDL_FOUND - system has libdl
# LIBDL_INCLUDE_DIRS - the libdl include directory
# LIBDL_LIBRARIES - Link these to use libdl
# LIBDL_NEEDS_UNDERSCORE - If extern "C" symbols are prefixed (BSD/Apple)
#
find_path (LIBDL_INCLUDE_DIRS NAMES dlfcn.h)
find_library (LIBDL_LIBRARIES NAMES dl)
include (FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibDL DEFAULT_MSG
LIBDL_LIBRARIES
LIBDL_INCLUDE_DIRS)
set(CMAKE_REQUIRED_LIBRARIES dl)
include(CheckCSourceRuns)
CHECK_C_SOURCE_RUNS("#include <dlfcn.h>
#include <stdlib.h>
void testfunc() {}
int main() {
testfunc();
if (dlsym(0, \"_testfunc\") != (void*)0) {
return EXIT_SUCCESS;
} else {
return EXIT_FAILURE;
}
}" LIBDL_NEEDS_UNDERSCORE)
mark_as_advanced(LIBDL_INCLUDE_DIRS LIBDL_LIBRARIES LIBDL_NEEDS_UNDERSCORE)
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