k8s: fix 32bit ARM build

Remove the remaining 'go' calls, and replace them with $GO. We also
must explicitly pass "GO='go'" on the host side build call.

This avoids the gnu-stubs header file issues, since the 'go' binary
cannot use the sysroot.

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

2 files changed, 54 insertions, 2 deletions

diff --git a/recipes-containers/kubernetes/kubernetes/0001-build-golang.sh-convert-remaining-go-calls-to-use.patch b/recipes-containers/kubernetes/kubernetes/0001-build-golang.sh-convert-remaining-go-calls-to-use.patch
new file mode 100644
index 00000000..8adbafb3
--- /dev/null
+++ b/recipes-containers/kubernetes/kubernetes/0001-build-golang.sh-convert-remaining-go-calls-to-use.patch
@@ -0,0 +1,51 @@
+From 9973a66665992c49593595ae1eb70848907ea6a9 Mon Sep 17 00:00:00 2001
+From: Bruce Ashfield <bruce.ashfield@gmail.com>
+Date: Wed, 12 Aug 2020 16:01:49 +0000
+Subject: [PATCH] build/golang.sh: convert remaining 'go' calls to use
+
+Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
+---
+ hack/lib/golang.sh | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/import/hack/lib/golang.sh b/src/import/hack/lib/golang.sh
+index e9148ec08fa..71d3c987563 100755
+--- a/src/import/hack/lib/golang.sh
++++ b/src/import/hack/lib/golang.sh
+@@ -651,7 +651,7 @@ kube::golang::build_some_binaries() {
+         kube::golang::create_coverage_dummy_test "${package}"
+         kube::util::trap_add "kube::golang::delete_coverage_dummy_test \"${package}\"" EXIT
+ 
+-        go test -c -o "$(kube::golang::outfile_for_binary "${package}" "${platform}")" \
++        $GO test -c -o "$(kube::golang::outfile_for_binary "${package}" "${platform}")" \
+           -covermode count \
+           -coverpkg k8s.io/...,k8s.io/kubernetes/vendor/k8s.io/... \
+           "${build_args[@]}" \
+@@ -663,13 +663,13 @@ kube::golang::build_some_binaries() {
+     done
+     if [[ "${#uncovered[@]}" != 0 ]]; then
+       V=2 kube::log::info "Building ${uncovered[*]} without coverage..."
+-      go install "${build_args[@]}" "${uncovered[@]}"
++      $GO install "${build_args[@]}" "${uncovered[@]}"
+     else
+       V=2 kube::log::info "Nothing to build without coverage."
+      fi
+    else
+     V=2 kube::log::info "Coverage is disabled."
+-    go install "${build_args[@]}" "$@"
++    $GO install "${build_args[@]}" "$@"
+    fi
+ }
+ 
+@@ -725,7 +725,7 @@ kube::golang::build_binaries_for_platform() {
+     testpkg=$(dirname "${test}")
+ 
+     mkdir -p "$(dirname "${outfile}")"
+-    go test -c \
++    $GO test -c \
+       ${goflags:+"${goflags[@]}"} \
+       -gcflags "${gogcflags:-}" \
+       -asmflags "${goasmflags:-}" \
+-- 
+2.19.1
+
diff --git a/recipes-containers/kubernetes/kubernetes_git.bb b/recipes-containers/kubernetes/kubernetes_git.bb
index 2cc2bcdf..76c82026 100644
--- a/recipes-containers/kubernetes/kubernetes_git.bb
+++ b/recipes-containers/kubernetes/kubernetes_git.bb
@@ -14,6 +14,7 @@ SRC_URI = "git://github.com/kubernetes/kubernetes.git;branch=release-1.19;name=k
            file://0001-hack-lib-golang.sh-use-CC-from-environment.patch \
            file://0001-cross-don-t-build-tests-by-default.patch \
            file://0001-generate-bindata-unset-GOBIN.patch \
+           file://0001-build-golang.sh-convert-remaining-go-calls-to-use.patch \
           "
 
 DEPENDS += "rsync-native \
@@ -50,7 +51,7 @@ do_compile() {
         export CC="${BUILD_CC}"
         export LD="${BUILD_LD}"
 
-        make generated_files KUBE_BUILD_PLATFORMS="${HOST_GOOS}/${BUILD_GOARCH}"
+        make generated_files GO="go" KUBE_BUILD_PLATFORMS="${HOST_GOOS}/${BUILD_GOARCH}"
 
         # Build the target binaries
         export GOARCH="${TARGET_GOARCH}"
@@ -65,7 +66,7 @@ do_compile() {
         export GOBIN=""
 
         # to limit what is built, use 'WHAT', i.e. make WHAT=cmd/kubelet
-        make cross GO=${GO} KUBE_BUILD_PLATFORMS=${GOOS}/${GOARCH} GOLDFLAGS=""
+        make cross CGO_FLAGS=${CGO_FLAGS} GO=${GO} KUBE_BUILD_PLATFORMS=${GOOS}/${GOARCH} GOLDFLAGS=""
 }
 
 do_install() {