24ac316ff5
This commit introduces the download post-process script support/download/go-post-process, and hooks it into the Go package infrastructure. The -modcacherw flag is added to ensure that the Go cache is read/write, and can be deleted properly upon "make clean". The <pkg>_LICENSE variable of golang packages is expanded with ", vendored dependencies licenses probably not listed" as currently for all packages, the licenses of the vendored dependencies are not taken into account. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
161 lines
5.3 KiB
Makefile
161 lines
5.3 KiB
Makefile
################################################################################
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# Golang package infrastructure
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#
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# This file implements an infrastructure that eases development of package .mk
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# files for Go packages. It should be used for all packages that are written in
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# go.
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#
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# See the Buildroot documentation for details on the usage of this
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# infrastructure
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#
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#
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# In terms of implementation, this golang infrastructure requires the .mk file
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# to only specify metadata information about the package: name, version,
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# download URL, etc.
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#
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# We still allow the package .mk file to override what the different steps are
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# doing, if needed. For example, if <PKG>_BUILD_CMDS is already defined, it is
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# used as the list of commands to perform to build the package, instead of the
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# default golang behavior. The package can also define some post operation
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# hooks.
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#
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################################################################################
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GO_BIN = $(HOST_DIR)/bin/go
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################################################################################
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# inner-golang-package -- defines how the configuration, compilation and
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# installation of a Go package should be done, implements a few hooks to tune
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# the build process for Go specificities and calls the generic package
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# infrastructure to generate the necessary make targets
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#
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# argument 1 is the lowercase package name
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# argument 2 is the uppercase package name, including a HOST_ prefix for host
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# packages
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# argument 3 is the uppercase package name, without the HOST_ prefix for host
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# packages
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# argument 4 is the type (target or host)
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#
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################################################################################
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define inner-golang-package
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$(2)_BUILD_OPTS += \
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-ldflags "$$($(2)_LDFLAGS)" \
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-modcacherw \
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-tags "$$($(2)_TAGS)" \
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-trimpath \
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-p $(PARALLEL_JOBS)
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# Target packages need the Go compiler on the host.
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$(2)_DOWNLOAD_DEPENDENCIES += host-go
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$(2)_BUILD_TARGETS ?= .
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# If the build target is just ".", then we assume the binary to be
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# produced is named after the package. If however, a build target has
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# been specified, we assume that the binaries to be produced are named
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# after each build target building them (below in <pkg>_BUILD_CMDS).
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ifeq ($$($(2)_BUILD_TARGETS),.)
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$(2)_BIN_NAME ?= $(1)
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endif
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$(2)_INSTALL_BINS ?= $(1)
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# Source files in Go usually use an import path resolved around
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# domain/vendor/software. We infer domain/vendor/software from the upstream URL
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# of the project.
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$(2)_SRC_DOMAIN = $$(call domain,$$($(2)_SITE))
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$(2)_SRC_VENDOR = $$(word 1,$$(subst /, ,$$(call notdomain,$$($(2)_SITE))))
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$(2)_SRC_SOFTWARE = $$(word 2,$$(subst /, ,$$(call notdomain,$$($(2)_SITE))))
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# $(2)_GOMOD is the root Go module path for the project, inferred if not set.
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# If the go.mod file does not exist, one is written with this root path.
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$(2)_GOMOD ?= $$($(2)_SRC_DOMAIN)/$$($(2)_SRC_VENDOR)/$$($(2)_SRC_SOFTWARE)
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# Generate a go.mod file if it doesn't exist. Note: Go is configured
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# to use the "vendor" dir and not make network calls.
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define $(2)_GEN_GOMOD
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if [ ! -f $$(@D)/go.mod ]; then \
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printf "module $$($(2)_GOMOD)\n" > $$(@D)/go.mod; \
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fi
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endef
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$(2)_POST_PATCH_HOOKS += $(2)_GEN_GOMOD
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$(2)_DOWNLOAD_POST_PROCESS = go
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$(2)_DL_ENV = \
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$(HOST_GO_COMMON_ENV) \
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GOPROXY=direct \
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BR_GOMOD=$$($(2)_GOMOD)
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# Due to vendoring, it is pretty likely that not all licenses are
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# listed in <pkg>_LICENSE.
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$(2)_LICENSE += , vendored dependencies licenses probably not listed
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# Build step. Only define it if not already defined by the package .mk
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# file.
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ifndef $(2)_BUILD_CMDS
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ifeq ($(4),target)
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ifeq ($(BR2_STATIC_LIBS),y)
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$(2)_LDFLAGS += -extldflags '-static'
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endif
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# Build package for target
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define $(2)_BUILD_CMDS
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$$(foreach d,$$($(2)_BUILD_TARGETS),\
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cd $$(@D); \
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$$(HOST_GO_TARGET_ENV) \
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$$($(2)_GO_ENV) \
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$$(GO_BIN) build -v $$($(2)_BUILD_OPTS) \
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-o $$(@D)/bin/$$(or $$($(2)_BIN_NAME),$$(notdir $$(d))) \
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$$($(2)_GOMOD)/$$(d)
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)
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endef
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else
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# Build package for host
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define $(2)_BUILD_CMDS
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$$(foreach d,$$($(2)_BUILD_TARGETS),\
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cd $$(@D); \
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$$(HOST_GO_HOST_ENV) \
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$$($(2)_GO_ENV) \
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$$(GO_BIN) build -v $$($(2)_BUILD_OPTS) \
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-o $$(@D)/bin/$$(or $$($(2)_BIN_NAME),$$(notdir $$(d))) \
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$$($(2)_GOMOD)/$$(d)
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)
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endef
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endif
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endif
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# Target installation step. Only define it if not already defined by the
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# package .mk file.
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ifndef $(2)_INSTALL_TARGET_CMDS
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define $(2)_INSTALL_TARGET_CMDS
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$$(foreach d,$$($(2)_INSTALL_BINS),\
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$(INSTALL) -D -m 0755 $$(@D)/bin/$$(d) $$(TARGET_DIR)/usr/bin/$$(d)
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)
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endef
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endif
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# Host installation step
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ifndef $(2)_INSTALL_CMDS
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define $(2)_INSTALL_CMDS
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$$(foreach d,$$($(2)_INSTALL_BINS),\
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$(INSTALL) -D -m 0755 $$(@D)/bin/$$(d) $$(HOST_DIR)/bin/$$(d)
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)
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endef
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endif
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# Call the generic package infrastructure to generate the necessary make
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# targets
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$(call inner-generic-package,$(1),$(2),$(3),$(4))
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endef # inner-golang-package
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################################################################################
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# golang-package -- the target generator macro for Go packages
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################################################################################
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golang-package = $(call inner-golang-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
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host-golang-package = $(call inner-golang-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
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