Set _GNU_SOURCE when checking for sched_setaffinity

This needs to be defined otherwise sched_setaffinity will never be found.
IntelligentSoftwareSystems · Jan 31, 2020 · a6b243b · a6b243b
1 parent bb13147
commit a6b243b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cmake/Modules/CheckSchedSetAffinity.cmake b/cmake/Modules/CheckSchedSetAffinity.cmake
@@ -3,6 +3,7 @@ include(CheckSymbolExists)
 if(SCHED_SETAFFINITY_FOUND)
 
 else()
+  set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
   CHECK_SYMBOL_EXISTS(sched_setaffinity sched.h HAVE_SCHED_SETAFFINITY_INTERNAL)
   if(HAVE_SCHED_SETAFFINITY_INTERNAL)
     message(STATUS "sched_setaffinity found")