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build for multiple platforms only in CI, add s390x

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Developers should not be forced to build for all platforms by
default. We also don't want to copy-and-paste the go invocation for
each new platform.

To address both, the target platform(s) are now configurable via
BUILD_PLATFORMS and additional platforms are only enabled in the Prow
CI.

For now this serves as a test that the source actually compiles for
multiple platforms. Building images for different target platforms is a
different problem.
This commit is contained in:
Patrick Ohly
2020-03-04 11:19:09 +01:00
parent 8322a7d0c7
commit 3863a0f674
2 changed files with 17 additions and 8 deletions
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21
build.make
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@@ -60,18 +60,25 @@ else
TESTARGS =
endif
ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH))
# Specific packages can be excluded from each of the tests below by setting the *_FILTER_CMD variables
# to something like "| grep -v 'github.com/kubernetes-csi/project/pkg/foobar'". See usage below.
# BUILD_PLATFORMS contains a set of <os> <arch> <suffix> triplets,
# separated by semicolon. An empty variable or empty entry (= just a
# semicolon) builds for the default platform of the current Go
# toolchain.
BUILD_PLATFORMS =
# This builds each command (= the sub-directories of ./cmd) for the target platform(s)
# defined by BUILD_PLATFORMS.
build-%: check-go-version-go
mkdir -p bin
CGO_ENABLED=0 GOOS=linux go build $(GOFLAGS_VENDOR) -a -ldflags '-X main.version=$(REV) -extldflags "-static"' -o ./bin/$* ./cmd/$*
if [ "$$ARCH" = "amd64" ]; then \
CGO_ENABLED=0 GOOS=windows go build $(GOFLAGS_VENDOR) -a -ldflags '-X main.version=$(REV) -extldflags "-static"' -o ./bin/$*.exe ./cmd/$* ; \
CGO_ENABLED=0 GOOS=linux GOARCH=ppc64le go build $(GOFLAGS_VENDOR) -a -ldflags '-X main.version=$(REV) -extldflags "-static"' -o ./bin/$*-ppc64le ./cmd/$* ; \
fi
echo '$(BUILD_PLATFORMS)' | tr ';' '\n' | while read -r os arch suffix; do \
if ! (set -x; CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '-X main.version=$(REV) -extldflags "-static"' -o "./bin/$*$$suffix" ./cmd/$*); then \
echo "Building $* for GOOS=$$os GOARCH=$$arch failed, see error(s) above."; \
exit 1; \
fi; \
done
container-%: build-%
docker build -t $*:latest -f $(shell if [ -e ./cmd/$*/Dockerfile ]; then echo ./cmd/$*/Dockerfile; else echo Dockerfile; fi) --label revision=$(REV) .