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-rw-r--r--meson.build22
1 files changed, 16 insertions, 6 deletions
diff --git a/meson.build b/meson.build
index 13d0605f..5201a2f5 100644
--- a/meson.build
+++ b/meson.build
@@ -38,12 +38,22 @@ common_arguments = [
c_arguments = common_arguments
cpp_arguments = common_arguments
-# Use libc++ by default if available instead of libstdc++ when compiling with
-# clang.
-if cc.get_id() == 'clang' and cc.find_library('libc++', required: false).found()
- cpp_arguments += [
- '-stdlib=libc++',
- ]
+if cc.get_id() == 'clang'
+ # Turn _FORTIFY_SOURCE by default on optimised builds (as it requires -O1
+ # or higher). This is needed on clang only as gcc enables it by default.
+ if get_option('optimization') != '0'
+ common_arguments += [
+ '-D_FORTIFY_SOURCE=2',
+ ]
+ endif
+
+ # Use libc++ by default if available instead of libstdc++ when compiling
+ # with clang.
+ if cc.find_library('libc++', required: false).found()
+ cpp_arguments += [
+ '-stdlib=libc++',
+ ]
+ endif
endif
add_project_arguments(c_arguments, language : 'c')