qt5base-lts/cmake/FindWrapRt.cmake
Joerg Bornemann 062b50abff CMake: Namespace all our IMPORTED targets
CMake IMPORTED targets should be namespaced so that CMake knows that
the name refers to a target and not a file.

Use the existing WrapXXX naming scheme where applicable.

Fixes: QTBUG-83773
Change-Id: I5b0b722c811200c56c260c69e76940a625228769
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2020-04-29 23:08:32 +02:00

38 lines
878 B
CMake

# We can't create the same interface imported target multiple times, CMake will complain if we do
# that. This can happen if the find_package call is done in multiple different subdirectories.
if(TARGET WrapRt::WrapRt)
set(WrapRt_FOUND ON)
return()
endif()
set(WrapRt_FOUND OFF)
include(CheckCXXSourceCompiles)
include(CMakePushCheckState)
find_library(LIBRT rt)
cmake_push_check_state()
if(LIBRT_FOUND)
list(APPEND CMAKE_REQUIRED_LIBRARIES "${LIBRT}")
endif()
check_cxx_source_compiles("
#include <unistd.h>
#include <time.h>
int main(int argc, char *argv[]) {
timespec ts; clock_gettime(CLOCK_REALTIME, &ts);
}" HAVE_GETTIME)
cmake_pop_check_state()
if(HAVE_GETTIME)
set(WrapRt_FOUND ON)
add_library(WrapRt::WrapRt INTERFACE IMPORTED)
if (LIBRT_FOUND)
target_link_libraries(WrapRt::WrapRt INTERFACE "${LIBRT}")
endif()
endif()