go-cross-canadian: add recipe

Enable cross-canadian builds of the Go toolchain.  This
requires an additional patch to the Go source to allow us
to use the native GOTOOLDIR during the bootstrap phase.

(From OE-Core rev: 9daa02f63a0d53ab90a515f2bd3e783187c9415b)

Signed-off-by: Matt Madison <matt@madison.systems>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 64 insertions, 0 deletions

diff --git a/meta/recipes-devtools/go/go-cross-canadian.inc b/meta/recipes-devtools/go/go-cross-canadian.inc
new file mode 100644
index 0000000000..f0315d558a
--- /dev/null
+++ b/meta/recipes-devtools/go/go-cross-canadian.inc
@@ -0,0 +1,64 @@
+inherit cross-canadian
+
+DEPENDS = "go-native virtual/${HOST_PREFIX}gcc-crosssdk virtual/nativesdk-${HOST_PREFIX}libc-for-gcc virtual/nativesdk-${HOST_PREFIX}compilerlibs"
+PN = "go-cross-canadian-${TRANSLATED_TARGET_ARCH}"
+
+export GOHOSTOS = "${BUILD_GOOS}"
+export GOHOSTARCH = "${BUILD_GOARCH}"
+export GOOS = "${HOST_GOOS}"
+export GOARCH = "${HOST_GOARCH}"
+export GOARM = "${HOST_GOARM}"
+export GOROOT_BOOTSTRAP = "${STAGING_LIBDIR_NATIVE}/go"
+export GOTOOLDIR_BOOTSTRAP = "${GOROOT_BOOTSTRAP}/pkg/tool/${BUILD_GOTUPLE}"
+export GOROOT_FINAL = "${libdir}/go"
+export CGO_ENABLED = "1"
+export CC_FOR_TARGET = "${HOST_CC}"
+export CXX_FOR_TARGET = "${HOST_CXX}"
+CC = "${@d.getVar('BUILD_CC', True).strip()}"
+export GO_LDFLAGS = '-linkmode external -extld ${HOST_PREFIX}gcc -extldflags "${TOOLCHAIN_OPTIONS} ${LDFLAGS}"'
+
+do_configure[noexec] = "1"
+
+do_compile() {
+        export GOBIN="${B}/bin"
+        rm -rf ${GOBIN} ${B}/pkg
+        mkdir ${GOBIN}
+        cd src
+        ./make.bash --host-only --no-banner
+        cd ${B}
+}
+
+
+make_wrapper() {
+    rm -f ${D}${bindir}/$2
+    cat <<END >${D}${bindir}/$2
+#!/bin/bash
+here=\`dirname \$0\`
+native_goroot=\`readlink -f \$here/../../lib/${TARGET_SYS}/go\`
+export GOARCH="${TARGET_GOARCH}"
+export GOOS="${TARGET_GOOS}"
+export GOARM="\${GOARM:-${TARGET_GOARM}}"
+export GOTOOLDIR="\$native_goroot/pkg/tool/${HOST_GOTUPLE}"
+export GOROOT="\${GOROOT:-\$OECORE_TARGET_SYSROOT/${target_libdir}/go}"
+\$here/../../lib/${TARGET_SYS}/go/bin/$1 "\$@"
+END
+    chmod +x ${D}${bindir}/$2
+}
+
+do_install() {
+        install -d ${D}${libdir}/go
+        cp --preserve=mode,timestamps -R ${B}/pkg ${D}${libdir}/go/
+        install -d ${D}${libdir}/go/src
+        (cd ${S}/src; for d in *; do \
+                [ -d $d ] && cp --preserve=mode,timestamps -R ${S}/src/$d ${D}${libdir}/go/src/; \
+        done)
+        install -d ${D}${bindir} ${D}${libdir}/go/bin
+        for f in ${B}/bin/*
+        do
+                base=`basename $f`
+                install -m755 $f ${D}${libdir}/go/bin
+                make_wrapper $base ${TARGET_PREFIX}$base
+        done
+}
+
+FILES_${PN}-staticdev = "${libdir}/go/pkg"