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Add new option --target-only to build target components
Separates the host and target pieces of build
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending
Index: go/src/make.bash
===================================================================
--- go.orig/src/make.bash
+++ go/src/make.bash
@@ -143,12 +143,23 @@ if [ "$1" = "--no-clean" ]; then
buildall=""
shift
fi
-./cmd/dist/dist bootstrap $buildall $GO_DISTFLAGS -v # builds go_bootstrap
-# Delay move of dist tool to now, because bootstrap may clear tool directory.
-mv cmd/dist/dist "$GOTOOLDIR"/dist
-echo
-if [ "$GOHOSTARCH" != "$GOARCH" -o "$GOHOSTOS" != "$GOOS" ]; then
+do_host_build="yes"
+do_target_build="yes"
+if [ "$1" = "--target-only" ]; then
+ do_host_build="no"
+ shift
+elif [ "$1" = "--host-only" ]; then
+ do_target_build="no"
+ shift
+fi
+
+if [ "$do_host_build" = "yes" ]; then
+ ./cmd/dist/dist bootstrap $buildall $GO_DISTFLAGS -v # builds go_bootstrap
+ # Delay move of dist tool to now, because bootstrap may clear tool directory.
+ mv cmd/dist/dist "$GOTOOLDIR"/dist
+ echo
+
echo "##### Building packages and commands for host, $GOHOSTOS/$GOHOSTARCH."
# CC_FOR_TARGET is recorded as the default compiler for the go tool. When building for the host, however,
# use the host compiler, CC, from `cmd/dist/dist env` instead.
@@ -157,11 +168,20 @@ if [ "$GOHOSTARCH" != "$GOARCH" -o "$GOH
echo
fi
-echo "##### Building packages and commands for $GOOS/$GOARCH."
-CC="$CC_FOR_TARGET" "$GOTOOLDIR"/go_bootstrap install $GO_FLAGS -gcflags "$GO_GCFLAGS" -ldflags "$GO_LDFLAGS" -v std cmd
-echo
+if [ "$do_target_build" = "yes" ]; then
+ GO_INSTALL="${GO_TARGET_INSTALL:-std cmd}"
+ echo "##### Building packages and commands for $GOOS/$GOARCH."
+ if [ "$GOHOSTOS" = "$GOOS" -a "$GOHOSTARCH" = "$GOARCH" -a "$do_host_build" = "yes" ]; then
+ rm -rf ./host-tools
+ mkdir ./host-tools
+ mv "$GOTOOLDIR"/* ./host-tools
+ GOTOOLDIR="$PWD/host-tools"
+ fi
+ GOTOOLDIR="$GOTOOLDIR" CC="$CC_FOR_TARGET" "$GOTOOLDIR"/go_bootstrap install $GO_FLAGS -gcflags "$GO_GCFLAGS" -ldflags "$GO_LDFLAGS" -v ${GO_INSTALL}
+ echo
-rm -f "$GOTOOLDIR"/go_bootstrap
+ rm -f "$GOTOOLDIR"/go_bootstrap
+fi
if [ "$1" != "--no-banner" ]; then
"$GOTOOLDIR"/dist banner
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