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-rw-r--r--lwlib/Makefile.in3
1 files changed, 2 insertions, 1 deletions
diff --git a/lwlib/Makefile.in b/lwlib/Makefile.in
index cbc747cbbac..bfeef16571a 100644
--- a/lwlib/Makefile.in
+++ b/lwlib/Makefile.in
@@ -31,7 +31,8 @@ C_SWITCH_X_SITE=@C_SWITCH_X_SITE@
C_SWITCH_SYSTEM=@C_SWITCH_SYSTEM@
C_SWITCH_MACHINE=@C_SWITCH_MACHINE@
PROFILING_CFLAGS = @PROFILING_CFLAGS@
-WARN_CFLAGS = `echo @WARN_CFLAGS@ | sed 's/ -Wwrite-strings//'`
+WARN_CFLAGS = @WARN_CFLAGS@
+WARN_CFLAGS := $(filter-out -Wwrite-strings,${WARN_CFLAGS})
WERROR_CFLAGS = @WERROR_CFLAGS@
CAIRO_CFLAGS= @CAIRO_CFLAGS@