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package/go: set GOCACHE for download post-process

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The go mod vendor call in support/download/go-post-process accesses the go
cache, so pass GOCACHE= in the environment to ensure our cache directory is
used.

The go cache defaults to ~/.cache/go-build if not set, so this fixes builds
where that location (or GOCACHE if set in the environment) is not writable:

rm -rf ~/.cache/go-build
chmod -w ~/.cache
make docker-compose-source
..
failed to initialize build cache at /home/peko/.cache/go-build: mkdir /home/peko/.cache/go-build: permission denied
make[1]: *** [package/pkg-generic.mk:189: /home/peko/source/buildroot/output/build/docker-compose-2.14.0/.stamp_downloaded] Error 1

We use two different cache directories for target and host builds, but the
download/vendoring should be independent of the architecture, so use the
target variant even for host-only packages for simplicity.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Peter Korsgaard 2023-01-16 11:50:31 +01:00 committed by Yann E. MORIN
parent aac8ce4999
commit 07a745e55d
1 changed files with 1 additions and 1 deletions
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2
package/go/go.mk
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@ -25,6 +25,7 @@ HOST_GO_COMMON_ENV = \
GOFLAGS=-mod=vendor \
GOROOT="$(HOST_GO_ROOT)" \
GOPATH="$(HOST_GO_GOPATH)" \
GOCACHE="$(HOST_GO_TARGET_CACHE)" \
GOPROXY=off \
PATH=$(BR_PATH) \
GOBIN= \
@ -75,7 +76,6 @@ HOST_GO_TARGET_ENV = \
$(HOST_GO_COMMON_ENV) \
GOOS="linux" \
GOARCH=$(GO_GOARCH) \
GOCACHE="$(HOST_GO_TARGET_CACHE)" \
CC="$(TARGET_CC)" \
CXX="$(TARGET_CXX)" \
CGO_CFLAGS="$(TARGET_CFLAGS)" \