build: disable inlining for nodeup builds

Apply -gcflags=all=-l only to nodeup release builds to reduce the
nodeup binary size without changing compiler flags for kops, protokube,
or channels.

Signed-off-by: Ciprian Hacman <ciprian@hakman.dev>

Author: hakman

Makefile

@@ -83,6 +83,9 @@ CGO_ENABLED=0
 export CGO_ENABLED
 BUILDFLAGS=-trimpath -buildvcs=false
 
+ifndef DEBUGGABLE
+NODEUP_GCFLAGS?=-gcflags=all=-l
+endif
 
 # Go exports:
 LDFLAGS := -ldflags=all=
@@ -210,7 +213,7 @@ crossbuild: crossbuild-kops-linux-amd64 crossbuild-kops-linux-arm64 crossbuild-k
 .PHONY: nodeup-amd64 nodeup-arm64
 nodeup-amd64 nodeup-arm64: nodeup-%:
 	mkdir -p ${DIST}/linux/$*
-	GOOS=linux GOARCH=$* go build ${GCFLAGS} ${BUILDFLAGS} ${EXTRA_BUILDFLAGS} -o ${DIST}/linux/$*/nodeup ${LDFLAGS}"${EXTRA_LDFLAGS} -X k8s.io/kops.Version=${VERSION} -X k8s.io/kops.GitVersion=${GITSHA}" k8s.io/kops/cmd/nodeup
+	GOOS=linux GOARCH=$* go build ${GCFLAGS} ${NODEUP_GCFLAGS} ${BUILDFLAGS} ${EXTRA_BUILDFLAGS} -o ${DIST}/linux/$*/nodeup ${LDFLAGS}"${EXTRA_LDFLAGS} -X k8s.io/kops.Version=${VERSION} -X k8s.io/kops.GitVersion=${GITSHA}" k8s.io/kops/cmd/nodeup
 
 .PHONY: nodeup
 nodeup: nodeup-amd64