build: add GO_ prefix to LDFLAGS and GCFLAGS

Build environments will often define stock LDFLAGS
that are not compatible with the gc ld, causing
non-obvious failures midway through the build.

R=golang-dev, rsc, minux.ma, rsc
CC=golang-dev
https://golang.org/cl/5724044

diff --git a/src/make.bash b/src/make.bash
index 8b249ca3b6aaac6cc81da4a8af275504bcd14edc..aaee75e460faa5d0c9c436bcdfc7bc2f31a2eb64 100755 (executable)
--- a/src/make.bash
+++ b/src/make.bash
@@ -17,10 +17,10 @@
 #
 # GOOS: The target operating system for installed packages and tools.
 #
-# GCFLAGS: Additional 5g/6g/8g arguments to use when
+# GO_GCFLAGS: Additional 5g/6g/8g arguments to use when
 # building the packages and commands.
 #
-# LDFLAGS: Additional 5l/6l/8l arguments to use when
+# GO_LDFLAGS: Additional 5l/6l/8l arguments to use when
 # building the packages and commands.
 #
 # CGO_ENABLED: Setting this to 0 disables the use of cgo
@@ -89,11 +89,11 @@ echo
 
 if [ "$1" = "--dist-tool" ]; then
        # Stop after building dist tool.
-       mkdir -p $GOTOOLDIR
+       mkdir -p "$GOTOOLDIR"
        if [ "$2" != "" ]; then
                cp cmd/dist/dist "$2"
        fi
-       mv cmd/dist/dist $GOTOOLDIR/dist
+       mv cmd/dist/dist "$GOTOOLDIR"/dist
        exit 0
 fi
 
@@ -104,23 +104,23 @@ if [ "$1" = "--no-clean" ]; then
 fi
 ./cmd/dist/dist bootstrap $buildall -v # builds go_bootstrap
 # Delay move of dist tool to now, because bootstrap may clear tool directory.
-mv cmd/dist/dist $GOTOOLDIR/dist
-$GOTOOLDIR/go_bootstrap clean -i std
+mv cmd/dist/dist "$GOTOOLDIR"/dist
+"$GOTOOLDIR"/go_bootstrap clean -i std
 echo
 
 if [ "$GOHOSTARCH" != "$GOARCH" -o "$GOHOSTOS" != "$GOOS" ]; then
        echo "# Building packages and commands for host, $GOHOSTOS/$GOHOSTARCH."
        GOOS=$GOHOSTOS GOARCH=$GOHOSTARCH \
-               $GOTOOLDIR/go_bootstrap install -gcflags "$GCFLAGS" -ldflags "$LDFLAGS" -v std
+               "$GOTOOLDIR"/go_bootstrap install -gcflags "$GO_GCFLAGS" -ldflags "$GO_LDFLAGS" -v std
        echo
 fi
 
 echo "# Building packages and commands for $GOOS/$GOARCH."
-$GOTOOLDIR/go_bootstrap install -gcflags "$GCFLAGS" -ldflags "$LDFLAGS" -v std
+"$GOTOOLDIR"/go_bootstrap install -gcflags "$GO_GCFLAGS" -ldflags "$GO_LDFLAGS" -v std
 echo
 
-rm -f $GOTOOLDIR/go_bootstrap
+rm -f "$GOTOOLDIR"/go_bootstrap
 
 if [ "$1" != "--no-banner" ]; then
-       $GOTOOLDIR/dist banner
+       "$GOTOOLDIR"/dist banner
 fi