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# $FreeBSD$
#
# This file contains logic to ease porting of Go binaries using the
# `go` command.
#
# Feature: go
# Usage: USES=go
# Valid ARGS: (none), modules, no_targets, run
#
# (none) Setup GOPATH and build in GOPATH mode.
# modules If the upstream uses Go modules, this can be set to build
# in modules-aware mode.
# no_targets Indicates that Go is needed at build time as a part of
# make/CMake build. This will setup build environment like
# GO_ENV, GO_BUILDFLAGS but will not create post-extract, do-build
# and do-install targets.
# run Indicates that Go is needed at run time and adds it to
# RUN_DEPENDS.
#
# You can set the following variables to control the process.
#
# GO_PKGNAME
# The name of the package when building in GOPATH mode. This
# is the directory that will be created in GOPATH/src and seen
# by the `go` command. If not set explicitly and GH_SUBDIR or
# GL_SUBDIR is present, GO_PKGNAME will be inferred from it.
# It is not needed when building in modules-aware mode.
#
# GO_TARGET
# The packages to build. If not set explicitly, defaults to
# GO_PKGNAME. GO_TARGET can also be a tuple in the form
# package:path where path can be either a simple filename or a
# full path starting with ${PREFIX}. Specifying a full path
# like ${PREFIX}/sbin/binary will install the resulting binary
# as ${PREFIX}/sbin/binary. Using just simple filename is a
# shortcut to installing it as ${PREFIX}/bin/filename.
#
# CGO_CFLAGS
# Additional CFLAGS variables to be passed to the C compiler by the `go`
# command
#
# CGO_LDFLAGS
# Additional LDFLAGS variables to be passed to the C compiler by the `go`
# command
#
# GO_BUILDFLAGS
# Additional build arguments to be passed to the `go install` command
#
# GO_PORT
# The Go port to use. By default this is lang/go but can be set
# to lang/go-devel in make.conf for testing with future Go versions.
#
# This variable must not be set by individual ports!
#
# MAINTAINER: dmgk@FreeBSD.org
.if !defined(_INCLUDE_USES_GO_MK)
_INCLUDE_USES_GO_MK= yes
.if !empty(go_ARGS:Nmodules:Nno_targets:Nrun)
IGNORE= USES=go has invalid arguments: ${go_ARGS:Nmodules:Nno_targets:Nrun}
.endif
# Settable variables
.if empty(GO_PKGNAME)
. if !empty(GH_SUBDIR)
GO_PKGNAME= ${GH_SUBDIR:S|^src/||}
. elif !empty(GL_SUBDIR)
GO_PKGNAME= ${GL_SUBDIR:S|^src/||}
. else
GO_PKGNAME= ${PORTNAME}
. endif
.endif
GO_TARGET?= ${GO_PKGNAME}
GO_BUILDFLAGS+= -v -buildmode=exe
CGO_ENABLED?= 1
CGO_CFLAGS+= -I${LOCALBASE}/include
CGO_LDFLAGS+= -L${LOCALBASE}/lib
.if ${ARCH} == armv6 || ${ARCH} == armv7
GOARM?= ${ARCH:C/armv//}
.endif
# Read-only variables
GO_CMD= ${LOCALBASE}/bin/go
GO_WRKDIR_BIN= ${WRKDIR}/bin
GO_ENV+= CGO_ENABLED=${CGO_ENABLED} \
CGO_CFLAGS="${CGO_CFLAGS}" \
CGO_LDFLAGS="${CGO_LDFLAGS}" \
GOARM=${GOARM}
.if ${go_ARGS:Mmodules}
GO_BUILDFLAGS+= -mod=vendor
GO_WRKSRC= ${WRKSRC}
GO_ENV+= GOPATH="" \
GOBIN="${GO_WRKDIR_BIN}"
.else
GO_WRKDIR_SRC= ${WRKDIR}/src
GO_WRKSRC= ${GO_WRKDIR_SRC}/${GO_PKGNAME}
GO_ENV+= GOPATH="${WRKDIR}" \
GOBIN=""
.endif
GO_PORT?= lang/go
BUILD_DEPENDS+= ${GO_CMD}:${GO_PORT}
.if ${go_ARGS:Mrun}
RUN_DEPENDS+= ${GO_CMD}:${GO_PORT}
.endif
_USES_POST+= go
.endif # !defined(_INCLUDE_USES_GO_MK)
.if defined(_POSTMKINCLUDED) && !defined(_INCLUDE_USES_GO_POST_MK)
_INCLUDE_USES_GO_POST_MK= yes
.if !target(post-extract) && empty(go_ARGS)
post-extract:
@${MKDIR} ${GO_WRKSRC:H}
@${LN} -sf ${WRKSRC} ${GO_WRKSRC}
.endif
.if !target(do-build) && empty(go_ARGS:Mno_targets)
do-build:
(cd ${GO_WRKSRC}; \
for t in ${GO_TARGET}; do \
out=$$(${BASENAME} $$(${ECHO_CMD} $${t} | \
${SED} -Ee 's/^[^:]*:([^:]+).*$$/\1/' -e 's/^\.$$/${PORTNAME}/')); \
pkg=$$(${ECHO_CMD} $${t} | \
${SED} -Ee 's/^([^:]*).*$$/\1/' -e 's/^${PORTNAME}$$/./'); \
${ECHO_MSG} "===> Building $${out} from $${pkg}"; \
${SETENV} ${MAKE_ENV} ${GO_ENV} ${GO_CMD} build ${GO_BUILDFLAGS} \
-o ${GO_WRKDIR_BIN}/$${out} \
$${pkg}; \
done)
.endif
.if !target(do-install) && empty(go_ARGS:Mno_targets)
do-install:
for t in ${GO_TARGET}; do \
dst=$$(${ECHO_CMD} $${t} | \
${SED} -Ee 's/^[^:]*:([^:]+).*$$/\1/' -e 's/^\.$$/${PORTNAME}/'); \
src=$$(${BASENAME} $${dst}); \
case $${dst} in \
/*) dst=${STAGEDIR}$${dst}; ${MKDIR} $$(${DIRNAME} $${dst}) ;; \
*) dst=${STAGEDIR}${PREFIX}/bin/$${src} ;; \
esac; \
${ECHO_MSG} "===> Installing $${src} as $${dst}"; \
${INSTALL_PROGRAM} ${GO_WRKDIR_BIN}/$${src} $${dst}; \
done
.endif
# Helper targets for port maintainers
.if ${go_ARGS:Mmodules}
_MODULES2TUPLE_CMD= modules2tuple
gomod-vendor: patch
@if type ${_MODULES2TUPLE_CMD} > /dev/null 2>&1; then \
cd ${WRKSRC}; ${GO_CMD} mod vendor; \
[ -r vendor/modules.txt ] && ${_MODULES2TUPLE_CMD} vendor/modules.txt; \
else \
${ECHO_MSG} "===> Please install \"ports-mgmt/modules2tuple\""; \
fi
.endif
.endif # defined(_POSTMKINCLUDED) && !defined(_INCLUDE_USES_GO_POST_MK)
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