- execute_process(COMMAND ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_init.c -lpthread -o sem_init
- WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
- RESULT_VARIABLE HAVE_SEM_INIT_run
- OUTPUT_VARIABLE HAVE_SEM_INIT_compil)
-
- # Test sem_init by compiling:
- if(HAVE_SEM_INIT_compil)
- set(HAVE_SEM_INIT 0)
- message(STATUS "Warning: sem_init not compilable")
- message(STATUS "HAVE_SEM_INIT_comp_output: ${HAVE_SEM_OPEN_comp_output}")
- else()
- set(HAVE_SEM_INIT 1)
- message(STATUS "sem_init is compilable")
- endif()
-
- # If we're not crosscompiling, we check by executing the program:
- if (HAVE_SEM_INIT AND NOT CMAKE_CROSSCOMPILING)
- execute_process(COMMAND ./sem_init
- WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
- RESULT_VARIABLE HAVE_SEM_INIT_run
- OUTPUT_VARIABLE var_compil
- )
- if (NOT HAVE_SEM_INIT_run)
- set(HAVE_SEM_INIT 1)
- message(STATUS "sem_init is executable")
+ try_run(seminit_retval seminit_compilable
+ ${CMAKE_BINARY_DIR}
+ ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_init.c
+ LINK_LIBRARIES pthread
+ COMPILE_OUTPUT_VARIABLE seminit_compilmsg
+ RUN_OUTPUT_VARIABLE seminit_runmsg)
+
+ if(seminit_compilable)
+ if(NOT seminit_retval) # error if not 0
+ message(STATUS "sem_init is compilable and executable")
+ set(HAVE_SEM_INIT 1)