Add -Werror to xcompile's testcc

[coreboot.git] / util / xcompile / xcompile

diff --git a/util/xcompile/xcompile b/util/xcompile/xcompile
index fd4dbeb278e7a261fe5ad02dd44c06c2aa8b8bf7..49263941dfa10d9d1ae47d884b661fa960f76ed1 100644 (file)
--- a/util/xcompile/xcompile
+++ b/util/xcompile/xcompile
@@ -21,7 +21,7 @@
 testcc()
 {
        echo "_start(void) {}" > .$$$$.c
-       $1 -nostdlib $2 .$$$$.c -o .$$$$.tmp 2>/dev/null >/dev/null
+       $1 -nostdlib -Werror $2 .$$$$.c -o .$$$$.tmp 2>/dev/null >/dev/null
        ret=$?
        rm -f .$$$$.c .$$$$.tmp
        return $ret
@@ -35,7 +35,8 @@ for make in make gmake gnumake; do
 done
 
 GCCPREFIX=invalid
-XGCCPATH="`pwd`/util/crossgcc/xgcc/bin/"
+XGCCPATH=${1:-"`pwd`/util/crossgcc/xgcc/bin/"}
+echo '#XGCCPATH='${XGCCPATH}
 TMPFILE=`mktemp /tmp/temp.XXXX 2>/dev/null || echo /tmp/temp.78gOIUGz`
 touch $TMPFILE
 
@@ -79,6 +80,10 @@ CC="${GCCPREFIX}gcc"
 testcc "$CC" "$CFLAGS-Wa,--divide " && CFLAGS="$CFLAGS-Wa,--divide "
 testcc "$CC" "$CFLAGS-fno-stack-protector " && CFLAGS="$CFLAGS-fno-stack-protector "
 testcc "$CC" "$CFLAGS-Wl,--build-id=none " && CFLAGS="$CFLAGS-Wl,--build-id=none "
+# GCC 4.6 is much more picky about unused variables. Turn off it's warnings for
+# now:
+testcc "$CC" "$CFLAGS-Wno-unused-but-set-variable " && \
+              CFLAGS="$CFLAGS-Wno-unused-but-set-variable "
 
 if which gcc 2>/dev/null >/dev/null; then
        HOSTCC=gcc