[v4,7/8] package/docker-engine: convert to golang infrastructure

From: Angelo Compagnucci <angelo@amarulasolutions.com>

Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 package/docker-engine/docker-engine.mk | 67 +++++++++-------------------------
 1 file changed, 17 insertions(+), 50 deletions(-)

Thomas, Angelo, All,

On 2018-03-31 15:27 +0200, Thomas Petazzoni spake thusly:
> From: Angelo Compagnucci <angelo@amarulasolutions.com>
> 
> Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> ---
>  package/docker-engine/docker-engine.mk | 67 +++++++++-------------------------
>  1 file changed, 17 insertions(+), 50 deletions(-)
> 
> diff --git a/package/docker-engine/docker-engine.mk b/package/docker-engine/docker-engine.mk
> index 8928f072e7..feb47d4994 100644
> --- a/package/docker-engine/docker-engine.mk
> +++ b/package/docker-engine/docker-engine.mk
> @@ -13,70 +13,53 @@ DOCKER_ENGINE_LICENSE_FILES = LICENSE
>  
>  DOCKER_ENGINE_DEPENDENCIES = host-go host-pkgconf
>  
> -DOCKER_ENGINE_GOPATH = "$(@D)/gopath"
> -DOCKER_ENGINE_MAKE_ENV = $(HOST_GO_TARGET_ENV) \
> -	CGO_ENABLED=1 \
> -	CGO_NO_EMULATION=1 \
> -	GOBIN="$(@D)/bin" \
> -	GOPATH="$(DOCKER_ENGINE_GOPATH)" \
> -	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
> -	$(TARGET_MAKE_ENV)
> -
> -DOCKER_ENGINE_GLDFLAGS = \
> +DOCKER_ENGINE_LDFLAGS = \
>  	-X main.GitCommit=$(DOCKER_ENGINE_VERSION) \
>  	-X main.Version=$(DOCKER_ENGINE_VERSION)
>  
> -ifeq ($(BR2_STATIC_LIBS),y)
> -DOCKER_ENGINE_GLDFLAGS += -extldflags '-static'
> -else
> -ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_STATIC_CLIENT),y)
> -DOCKER_ENGINE_GLDFLAGS_DOCKER += -extldflags '-static'
> -endif
> -endif

So, where do you now enforce a static build when
BR2_PACKAGE_DOCKER_ENGINE_STATIC_CLIENT is set?

Regards,
Yann E. MORIN.

> -DOCKER_ENGINE_BUILD_TAGS = cgo exclude_graphdriver_zfs autogen
> -DOCKER_ENGINE_BUILD_TARGETS = docker
> +DOCKER_ENGINE_TAGS = cgo exclude_graphdriver_zfs autogen
> +DOCKER_ENGINE_BUILD_TARGETS = cmd/docker
>  
>  ifeq ($(BR2_PACKAGE_LIBSECCOMP),y)
> -DOCKER_ENGINE_BUILD_TAGS += seccomp
> +DOCKER_ENGINE_TAGS += seccomp
>  DOCKER_ENGINE_DEPENDENCIES += libseccomp
>  endif
>  
>  ifeq ($(BR2_INIT_SYSTEMD),y)
> -DOCKER_ENGINE_BUILD_TAGS += journald
> +DOCKER_ENGINE_TAGS += journald
>  DOCKER_ENGINE_DEPENDENCIES += systemd
>  endif
>  
>  ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_DAEMON),y)
> -DOCKER_ENGINE_BUILD_TAGS += daemon
> -DOCKER_ENGINE_BUILD_TARGETS += dockerd
> +DOCKER_ENGINE_TAGS += daemon
> +DOCKER_ENGINE_BUILD_TARGETS += cmd/dockerd
>  endif
>  
>  ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_EXPERIMENTAL),y)
> -DOCKER_ENGINE_BUILD_TAGS += experimental
> +DOCKER_ENGINE_TAGS += experimental
>  endif
>  
>  ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_DRIVER_BTRFS),y)
>  DOCKER_ENGINE_DEPENDENCIES += btrfs-progs
>  else
> -DOCKER_ENGINE_BUILD_TAGS += exclude_graphdriver_btrfs
> +DOCKER_ENGINE_TAGS += exclude_graphdriver_btrfs
>  endif
>  
>  ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_DRIVER_DEVICEMAPPER),y)
>  DOCKER_ENGINE_DEPENDENCIES += lvm2
>  else
> -DOCKER_ENGINE_BUILD_TAGS += exclude_graphdriver_devicemapper
> +DOCKER_ENGINE_TAGS += exclude_graphdriver_devicemapper
>  endif
>  
>  ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_DRIVER_VFS),y)
>  DOCKER_ENGINE_DEPENDENCIES += gvfs
>  else
> -DOCKER_ENGINE_BUILD_TAGS += exclude_graphdriver_vfs
> +DOCKER_ENGINE_TAGS += exclude_graphdriver_vfs
>  endif
>  
> -define DOCKER_ENGINE_CONFIGURE_CMDS
> -	mkdir -p $(DOCKER_ENGINE_GOPATH)/src/github.com/docker
> -	ln -fs $(@D) $(DOCKER_ENGINE_GOPATH)/src/github.com/docker/docker
> +DOCKER_ENGINE_INSTALL_BINS = $(notdir $(DOCKER_ENGINE_BUILD_TARGETS))
> +
> +define DOCKER_ENGINE_RUN_AUTOGEN
>  	cd $(@D) && \
>  		GITCOMMIT="$$(echo $(DOCKER_ENGINE_COMMIT) | head -c7)" \
>  		BUILDTIME="$$(date)" \
> @@ -85,6 +68,8 @@ define DOCKER_ENGINE_CONFIGURE_CMDS
>  		bash ./hack/make/.go-autogen
>  endef
>  
> +DOCKER_ENGINE_POST_CONFIGURE_HOOKS += DOCKER_ENGINE_RUN_AUTOGEN
> +
>  ifeq ($(BR2_PACKAGE_DOCKER_ENGINE_DAEMON),y)
>  
>  define DOCKER_ENGINE_INSTALL_INIT_SYSTEMD
> @@ -103,22 +88,4 @@ endef
>  
>  endif
>  
> -define DOCKER_ENGINE_BUILD_CMDS
> -	$(foreach target,$(DOCKER_ENGINE_BUILD_TARGETS), \
> -		cd $(@D)/gopath/src/github.com/docker/docker; \
> -		$(DOCKER_ENGINE_MAKE_ENV) \
> -		$(HOST_DIR)/bin/go build -v \
> -			-o $(@D)/bin/$(target) \
> -			-tags "$(DOCKER_ENGINE_BUILD_TAGS)" \
> -			-ldflags "$(DOCKER_ENGINE_GLDFLAGS) $(DOCKER_ENGINE_GLDFLAGS_$(call UPPERCASE,$(target)))" \
> -			github.com/docker/docker/cmd/$(target)
> -	)
> -endef
> -
> -define DOCKER_ENGINE_INSTALL_TARGET_CMDS
> -	$(foreach target,$(DOCKER_ENGINE_BUILD_TARGETS), \
> -		$(INSTALL) -D -m 0755 $(@D)/bin/$(target) $(TARGET_DIR)/usr/bin/$(target)
> -	)
> -endef
> -
> -$(eval $(generic-package))
> +$(eval $(golang-package))
> -- 
> 2.14.3
> 
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