go: Add recipes for golang compilers and tools

* This is converging the recipes for go from
  meta-virtualization and oe-meta-go

* Add recipes for go 1.7

* go.bbclass is added to ease out writing
  recipes for go packages

* go-examples: Add an example, helloworld written in go
  This should serve as temlate for writing go recipes

* Disable for musl, at least for now

* Disable for x32/ppc32 which is not supported

(From OE-Core rev: 78615e9260fb5d6569de4883521b049717fa4340)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 87 insertions, 0 deletions

diff --git a/meta/recipes-devtools/go/go.inc b/meta/recipes-devtools/go/go.inc
new file mode 100644
index 0000000000..0c315afe06
--- /dev/null
+++ b/meta/recipes-devtools/go/go.inc
@@ -0,0 +1,87 @@
+inherit goarch
+# libgcc is required for the target specific libraries to build properly
+DEPENDS += " go-native libgcc"
+# Prevent runstrip from running because you get errors when the host arch != target arch
+INHIBIT_PACKAGE_STRIP = "1"
+INHIBIT_SYSROOT_STRIP = "1"
+
+# Incompatible with musl, at least for now
+COMPATIBLE_HOST_libc-musl_class-target = "null"
+# x32 ABI is not supported on go compiler so far
+COMPATIBLE_HOST_linux-gnux32 = "null"
+# ppc32 is not supported in go compilers
+COMPATIBLE_HOST_powerpc = "null"
+
+export GOHOSTOS = "${BUILD_GOOS}"
+export GOHOSTARCH = "${BUILD_GOARCH}"
+export GOOS = "${TARGET_GOOS}"
+export GOARCH = "${TARGET_GOARCH}"
+export GOARM = "${TARGET_GOARM}"
+export GOROOT_BOOTSTRAP = "${STAGING_LIBDIR_NATIVE}/go"
+export GOROOT_FINAL = "${libdir}/go"
+export CGO_ENABLED = "1"
+export CC_FOR_TARGET = "${CC}"
+export CXX_FOR_TARGET = "${CXX}"
+
+do_configure[noexec] = "1"
+
+do_compile_prepend_class-cross() {
+        export CGO_ENABLED=0
+}
+
+do_compile() {
+        export GOBIN="${B}/bin"
+        export CC="${@d.getVar('BUILD_CC', True).strip()}"
+        rm -rf ${GOBIN} ${B}/pkg
+        mkdir ${GOBIN}
+
+        export TMPDIR=${WORKDIR}/build-tmp
+        mkdir -p ${WORKDIR}/build-tmp
+
+        cd src
+        ./make.bash --host-only
+        # Ensure cgo.a is built with the target toolchain
+        export GOBIN="${B}/target/bin"
+        rm -rf ${GOBIN}
+        mkdir -p ${GOBIN}
+        GO_FLAGS="-a" ./make.bash
+}
+
+do_install_class-target() {
+        install -d ${D}${libdir}/go
+        cp -a ${B}/pkg ${D}${libdir}/go/
+        install -d ${D}${libdir}/go/src
+        (cd ${S}/src; for d in *; do \
+                [ -d $d ] && cp -a ${S}/src/$d ${D}${libdir}/go/src/; \
+        done)
+        install -d ${D}${bindir}
+        if [ -d ${B}/bin/${GOOS}_${GOARCH} ]
+        then
+                install -m 0755 ${B}/bin/${GOOS}_${GOARCH}/* ${D}${bindir}
+        else
+                install -m 0755 ${B}/bin/* ${D}${bindir}
+        fi
+}
+
+do_install_class-cross() {
+        install -d ${D}${libdir}/go
+        cp -a ${B}/pkg ${D}${libdir}/go/
+        install -d ${D}${libdir}/go/src
+        (cd ${S}/src; for d in *; do \
+                [ -d $d ] && cp -a ${S}/src/$d ${D}${libdir}/go/src/; \
+        done)
+        install -d ${D}${bindir}
+        for f in ${B}/bin/go*
+        do
+                install -m755 $f ${D}${bindir}
+        done
+}
+
+INSANE_SKIP_${PN} += "staticdev"
+RDEPENDS_${PN} += "perl"
+
+do_package[noexec] = "1"
+do_packagedata[noexec] = "1"
+do_package_write_ipk[noexec] = "1"
+do_package_write_deb[noexec] = "1"
+do_package_write_rpm[noexec] = "1"