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Support Reproducible Builds by removing build path

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An issue for achieving reproducible builds is build artifacts where
build paths are embedded. We remove them by passing the current working
directory to -gcflags and -asmflags which prefix trims the paths.

Note: Go 1.13 includes `-trimpath`

https://reproducible-builds.org/docs/build-path/

Signed-off-by: Morten Linderud <morten@linderud.pw>
This commit is contained in:
Morten Linderud
2019-06-20 23:17:53 +02:00
parent 8f7255657a
commit 156ebcbdf9
1 changed files with 7 additions and 5 deletions
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12
Makefile
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@ -58,6 +58,8 @@ else
ISODATE ?= $(shell date --iso-8601)
endif
LIBPOD := ${PROJECT}/libpod
GCFLAGS ?= all=-trimpath=${PWD}
ASMFLAGS ?= all=-trimpath=${PWD}
LDFLAGS_PODMAN ?= $(LDFLAGS) \
-X $(LIBPOD).gitCommit=$(GIT_COMMIT) \
-X $(LIBPOD).buildInfo=$(BUILD_INFO) \
@ -138,16 +140,16 @@ test/goecho/goecho: .gopathok $(wildcard test/goecho/*.go)
$(GO) build -ldflags '$(LDFLAGS)' -o $@ $(PROJECT)/test/goecho
podman: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman
$(GO) build -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS)" -o bin/$@ $(PROJECT)/cmd/podman
$(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS)" -o bin/$@ $(PROJECT)/cmd/podman
podman-remote: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman on remote environment
$(GO) build -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS) remoteclient" -o bin/$@ $(PROJECT)/cmd/podman
$(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS) remoteclient" -o bin/$@ $(PROJECT)/cmd/podman
podman-remote-darwin: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman on remote OSX environment
GOOS=darwin $(GO) build -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/$@ $(PROJECT)/cmd/podman
GOOS=darwin $(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/$@ $(PROJECT)/cmd/podman
podman-remote-windows: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman for a remote windows environment
GOOS=windows $(GO) build -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/$@.exe $(PROJECT)/cmd/podman
GOOS=windows $(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/$@.exe $(PROJECT)/cmd/podman
local-cross: $(CROSS_BUILD_TARGETS) ## Cross local compilation
@ -155,7 +157,7 @@ bin/podman.cross.%: .gopathok
TARGET="$*"; \
GOOS="$${TARGET%%.*}" \
GOARCH="$${TARGET##*.}" \
$(GO) build -ldflags '$(LDFLAGS_PODMAN)' -tags '$(BUILDTAGS_CROSS)' -o "$@" $(PROJECT)/cmd/podman
$(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags '$(BUILDTAGS_CROSS)' -o "$@" $(PROJECT)/cmd/podman
clean: ## Clean artifacts
rm -rf \