Index: meson/part/compiler_args/meson.build
===================================================================
--- meson/part/compiler_args/meson.build	(revision 18969ce369195718514bd23c44c154e8fa711438)
+++ meson/part/compiler_args/meson.build	(revision eac33989754d26f1bad8ebd1404613976af64e0b)
@@ -60,5 +60,4 @@
 	'-Wall',
 	'-Wextra',
-	'-Werror-implicit-function-declaration',
 	'-Wwrite-strings',
 	'-Wunknown-pragmas',
@@ -92,4 +91,5 @@
 extra_cflags = extra_common_flags + [
 	'-Wmissing-prototypes',
+	'-Werror-implicit-function-declaration',
 
 	'-Wno-missing-braces',