Merge pull request #473 from Shopify/gnu-source

Define _GNU_SOURCE properly
Shopify · Jan 31, 2024 · 4b6d40e · 4b6d40e
2 parents d4b4666 + 33754b4
commit 4b6d40e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ext/bootsnap/extconf.rb b/ext/bootsnap/extconf.rb
@@ -6,7 +6,7 @@
   have_func "fdatasync", "unistd.h"
 
   unless RUBY_PLATFORM.match?(/mswin|mingw|cygwin/)
-    append_cppflags ["_GNU_SOURCE"] # Needed of O_NOATIME
+    append_cppflags ["-D_GNU_SOURCE"] # Needed of O_NOATIME
   end
 
   append_cflags ["-O3", "-std=c99"]