[cmake] Fix broken -D_DWARWIN_C_SOURCE

diff --git a/buildtools/Cmake/CompleteInFiles.cmake b/buildtools/Cmake/CompleteInFiles.cmake
index b5b2485..abd7e89 100644 (file)
--- a/buildtools/Cmake/CompleteInFiles.cmake
+++ b/buildtools/Cmake/CompleteInFiles.cmake
@@ -144,7 +144,7 @@ CHECK_LIBRARY_EXISTS(pthread pthread_mutex_timedlock "" HAVE_MUTEX_TIMEDLOCK_LIB
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")

-  set(CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700 -D_")
+  set(CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE")

 endif()
 
 CHECK_INCLUDE_FILES("time.h;sys/time.h" TIME_WITH_SYS_TIME)
 endif()
 
 CHECK_INCLUDE_FILES("time.h;sys/time.h" TIME_WITH_SYS_TIME)