Move lang/go/files/bsd.go.mk to USES=go.

Reviewed by:	bapt
Sponsored by:	Absolight
Differential Revision:	https://reviews.freebsd.org/D6057

1 files changed, 93 insertions, 0 deletions

diff --git a/Mk/Uses/go.mk b/Mk/Uses/go.mk
new file mode 100644
index 000000000000..eb63d03e2bee
--- /dev/null
+++ b/Mk/Uses/go.mk
@@ -0,0 +1,93 @@
+# $FreeBSD$
+#
+# This file contains logic to ease porting of Go packages or binaries using
+# the `go` command.
+#
+# Feature:	go
+# Usage:	USES=go
+# Valid ARGS:	none
+#
+# You can set the following variables to control the process.
+#
+# GO_PKGNAME
+#	The name of the package. This is the directory that will be
+# 	created in GOPATH/src and seen by the `go` command
+#
+# GO_TARGET
+#	The names of the package(s) to build
+#
+# CGO_CFLAGS
+#	Addional CFLAGS variables to be passed to the C compiler by the `go`
+#	command
+#
+# CGO_LDFLAGS
+#	Addional LDFLAGS variables to be passed to the C compiler by the `go`
+#	command
+#
+# MAINTAINER: jlaffaye@FreeBSD.org
+
+.if !defined(_INCLUDE_USES_GO_MK)
+_INCLUDE_USES_GO_MK=	yes
+
+.if ${ARCH} == "i386"
+GOARCH=	386
+GOOBJ=	8
+.else
+GOARCH=	amd64
+GOOBJ=	6
+.endif
+
+# Settable variables
+GO_PKGNAME?=	${PORTNAME}
+GO_TARGET?=	${GO_PKGNAME}
+CGO_CFLAGS+=	-I${LOCALBASE}/include
+CGO_LDFLAGS+=	-L${LOCALBASE}/lib
+
+# Read-only variables
+GO_CMD=		${LOCALBASE}/bin/go
+LOCAL_GOPATH=	${LOCALBASE}/share/go
+GO_LIBDIR=	share/go/pkg/${OPSYS:tl}_${GOARCH}
+GO_SRCDIR=	share/go/src
+GO_WRKSRC=	${GO_WRKDIR_SRC}/${GO_PKGNAME}
+GO_WRKDIR_BIN=	${WRKDIR}/bin
+GO_WRKDIR_SRC=	${WRKDIR}/src
+GO_WRKDIR_PKG=	${WRKDIR}/pkg/${OPSYS:tl}_${GOARCH}
+
+BUILD_DEPENDS+=	${GO_CMD}:lang/go
+GO_ENV+=	GOPATH="${WRKDIR}:${LOCAL_GOPATH}" \
+		CGO_CFLAGS="${CGO_CFLAGS}" \
+		CGO_LDFLAGS="${CGO_LDFLAGS}" \
+		GOBIN=""
+PLIST_SUB+=	GO_LIBDIR=${GO_LIBDIR} \
+		GO_SRCDIR=${GO_SRCDIR} \
+		GO_PKGNAME=${GO_PKGNAME}
+
+.if !target(post-extract)
+post-extract:
+	@${MKDIR} ${GO_WRKSRC:H}
+	@${LN} -sf ${WRKSRC} ${GO_WRKSRC}
+.endif
+
+.if !target(do-build)
+do-build:
+	@(cd ${GO_WRKSRC}; ${SETENV} ${MAKE_ENV} ${GO_ENV} ${GO_CMD} install -v ${GO_TARGET})
+.endif
+
+.if !target(do-install)
+do-install:
+.for _TARGET in ${GO_TARGET}
+	@if [ -e "${GO_WRKDIR_PKG}/${_TARGET}.a" ]; then \
+		_TARGET_LIBDIR="${STAGEDIR}/${PREFIX}/${GO_LIBDIR}/${_TARGET:H}"; \
+		${MKDIR} $${_TARGET_LIBDIR}; \
+		${INSTALL_DATA} ${GO_WRKDIR_PKG}/${_TARGET}.a $${_TARGET_LIBDIR}; \
+		_TARGET_SRCDIR="${STAGEDIR}/${PREFIX}/${GO_SRCDIR}/${_TARGET}"; \
+		${MKDIR} $${_TARGET_SRCDIR}; \
+		(cd ${GO_WRKDIR_SRC}/${_TARGET}/ && ${COPYTREE_SHARE} \* $${_TARGET_SRCDIR}); \
+	fi; \
+	if [ -e "${GO_WRKDIR_BIN}/${_TARGET:T}" ]; then \
+		${INSTALL_PROGRAM} ${GO_WRKDIR_BIN}/${_TARGET:T} ${STAGEDIR}/${LOCALBASE}/bin; \
+	fi;
+.endfor
+.endif
+
+.endif