1 files changed, 2 insertions, 1 deletions
diff --git a/configure b/configure
index c718e83b..d6bbd7da 100755
--- a/configure
+++ b/configure
@@ -12,7 +12,8 @@ then
 fi
 
 # Warn about stuff, disable stupid warnings, be 8-bit clean for utf8.
-CFLAGS="$CFLAGS -Wall -Wundef -Wno-char-subscripts -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -Wno-string-plus-int -funsigned-char"
+[ "${CFLAGS/-funsigned-char//}" == "$CFLAGS" ] &&
+  CFLAGS+=" -Wall -Wundef -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -funsigned-char"
 
 # Set default values if variable not already set
 : ${CC:=cc} ${HOSTCC:=cc} ${GENDIR:=generated} ${KCONFIG_CONFIG:=.config}