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package/pkg-golang: add support for building host packages

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With this you can add:

    $(eval $(host-golang-package))

to a package .mk file to build for host.

Signed-off-by: Mirza Krak <mirza.krak@northern.tech>
Acked-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Tested-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Tested-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Mirza Krak 2019-02-06 14:23:58 +01:00 committed by Thomas Petazzoni
parent 8291bc7793
commit aba08cd218
3 changed files with 45 additions and 5 deletions
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7
docs/manual/adding-packages-golang.txt
View File

@ -52,8 +52,11 @@ If you need CGO support in your package, you must add a dependency on
+BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS+. +BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS+.
The main macro of the Go package infrastructure is The main macro of the Go package infrastructure is
+golang-package+. It is similar to the +generic-package+ macro. Only +golang-package+. It is similar to the +generic-package+ macro. The
target packages are supported with +golang-package+. ability to build host packages is also available, with the
+host-golang-package+ macro.
Host packages built by +host-golang-package+ macro should depend on
BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS.
Just like the generic infrastructure, the Go infrastructure works Just like the generic infrastructure, the Go infrastructure works
by defining a number of variables before calling the +golang-package+. by defining a number of variables before calling the +golang-package+.

6
package/go/Config.in.host
View File

@ -18,3 +18,9 @@ config BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS
# Go doesn't support CGO linking on MIPS64x platforms # Go doesn't support CGO linking on MIPS64x platforms
# See: https://github.com/karalabe/xgo/issues/46 # See: https://github.com/karalabe/xgo/issues/46
depends on !BR2_mips64 && !BR2_mips64el depends on !BR2_mips64 && !BR2_mips64el
# Host go packages should depend on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
config BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
bool
default y
depends on BR2_PACKAGE_HOST_GO_BOOTSTRAP_ARCH_SUPPORTS

37
package/pkg-golang.mk
View File

@ -25,12 +25,18 @@ GO_BIN = $(HOST_DIR)/bin/go
# We pass an empty GOBIN, otherwise "go install: cannot install # We pass an empty GOBIN, otherwise "go install: cannot install
# cross-compiled binaries when GOBIN is set" # cross-compiled binaries when GOBIN is set"
GO_TARGET_ENV = \ GO_COMMON_ENV = \
$(HOST_GO_TARGET_ENV) \
PATH=$(BR_PATH) \ PATH=$(BR_PATH) \
GOBIN= \ GOBIN= \
CGO_ENABLED=$(HOST_GO_CGO_ENABLED) CGO_ENABLED=$(HOST_GO_CGO_ENABLED)
GO_TARGET_ENV = \
$(HOST_GO_TARGET_ENV) \
$(GO_COMMON_ENV)
GO_HOST_ENV = \
$(GO_COMMON_ENV)
################################################################################ ################################################################################
# inner-golang-package -- defines how the configuration, compilation and # inner-golang-package -- defines how the configuration, compilation and
# installation of a Go package should be done, implements a few hooks to tune # installation of a Go package should be done, implements a few hooks to tune
@ -44,7 +50,6 @@ GO_TARGET_ENV = \
# packages # packages
# argument 4 is the type (target or host) # argument 4 is the type (target or host)
# #
# NOTE Only type target is supported at the moment
################################################################################ ################################################################################
define inner-golang-package define inner-golang-package
@ -98,6 +103,8 @@ endif
# Build step. Only define it if not already defined by the package .mk # Build step. Only define it if not already defined by the package .mk
# file. # file.
ifndef $(2)_BUILD_CMDS ifndef $(2)_BUILD_CMDS
ifeq ($(4),target)
# Build package for target
define $(2)_BUILD_CMDS define $(2)_BUILD_CMDS
$$(foreach d,$$($(2)_BUILD_TARGETS),\ $$(foreach d,$$($(2)_BUILD_TARGETS),\
cd $$($(2)_SRC_PATH); \ cd $$($(2)_SRC_PATH); \
@ -109,6 +116,20 @@ define $(2)_BUILD_CMDS
./$$(d) ./$$(d)
) )
endef endef
else
# Build package for host
define $(2)_BUILD_CMDS
$$(foreach d,$$($(2)_BUILD_TARGETS),\
cd $$($(2)_SRC_PATH); \
$$(GO_HOST_ENV) \
GOPATH="$$(@D)/$$($(2)_WORKSPACE)" \
$$($(2)_GO_ENV) \
$$(GO_BIN) build -v $$($(2)_BUILD_OPTS) \
-o $$(@D)/bin/$$(or $$($(2)_BIN_NAME),$$(notdir $$(d))) \
./$$(d)
)
endef
endif
endif endif
# Target installation step. Only define it if not already defined by the # Target installation step. Only define it if not already defined by the
@ -121,6 +142,15 @@ define $(2)_INSTALL_TARGET_CMDS
endef endef
endif endif
# Host installation step
ifndef $(2)_INSTALL_CMDS
define $(2)_INSTALL_CMDS
$$(foreach d,$$($(2)_INSTALL_BINS),\
$(INSTALL) -D -m 0755 $$(@D)/bin/$$(d) $(HOST_DIR)/bin/$$(d)
)
endef
endif
# Call the generic package infrastructure to generate the necessary make # Call the generic package infrastructure to generate the necessary make
# targets # targets
$(call inner-generic-package,$(1),$(2),$(3),$(4)) $(call inner-generic-package,$(1),$(2),$(3),$(4))
@ -132,3 +162,4 @@ endef # inner-golang-package
################################################################################ ################################################################################
golang-package = $(call inner-golang-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target) golang-package = $(call inner-golang-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
host-golang-package = $(call inner-golang-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)