--- /dev/null
+diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
+index dda3d46..71c2e1c 100644
+--- a/m4/manywarnings.m4
++++ b/m4/manywarnings.m4
+@@ -114,7 +114,6 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)],
+ gl_manywarn_set=
+ for gl_manywarn_item in -fno-common \
+ -W \
+- -Wabi \
+ -Waddress \
+ -Waggressive-loop-optimizations \
+ -Wall \