diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 755e0944..9e5169e6 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -387,6 +387,10 @@ ENDIF() # Check if we have Windows headers CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0501) IF(NOT HAVE_WINDOWS_H) + # _GNU_SOURCE is needed on some systems for extra features + ADD_DEFINITIONS(-D_GNU_SOURCE=1) + SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE=1") + CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY) IF(NOT HAVE_GETTIMEOFDAY) MESSAGE(FATAL_ERROR "No timing function found!") @@ -412,10 +416,6 @@ IF(NOT HAVE_WINDOWS_H) SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread) ENDIF() - # _GNU_SOURCE is needed on some systems for extra attributes - ADD_DEFINITIONS(-D_GNU_SOURCE=1) - SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE=1") - CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD) IF(HAVE_LIBPTHREAD) SET(EXTRA_LIBS pthread ${EXTRA_LIBS}) |