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Diffstat (limited to 'cmake/scripts/linux/ArchSetup.cmake')
-rw-r--r--cmake/scripts/linux/ArchSetup.cmake5
1 files changed, 3 insertions, 2 deletions
diff --git a/cmake/scripts/linux/ArchSetup.cmake b/cmake/scripts/linux/ArchSetup.cmake
index 0632ca6117..45b1da709b 100644
--- a/cmake/scripts/linux/ArchSetup.cmake
+++ b/cmake/scripts/linux/ArchSetup.cmake
@@ -1,4 +1,5 @@
-set(ARCH_DEFINES -D_LINUX -DTARGET_POSIX -DTARGET_LINUX)
+# we always want to use GNU features if available, so set _GNU_SOURCE
+set(ARCH_DEFINES -D_LINUX -DTARGET_POSIX -DTARGET_LINUX -D_GNU_SOURCE)
# temp until further cleanup is done
if(CORE_PLATFORM_NAME_LC STREQUAL rbpi)
list(APPEND ARCH_DEFINES -D_ARMEL -DTARGET_RASPBERRY_PI)
@@ -83,7 +84,7 @@ set(CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
check_symbol_exists("mkostemp" "stdlib.h" HAVE_MKOSTEMP)
set(CMAKE_REQUIRED_DEFINITIONS "")
if(HAVE_MKOSTEMP)
- list(APPEND ARCH_DEFINES "-DHAVE_MKOSTEMP=1" "-D_GNU_SOURCE")
+ list(APPEND ARCH_DEFINES "-DHAVE_MKOSTEMP=1")
endif()
# Additional SYSTEM_DEFINES