import-layers/yocto-poky/meta/classes/go.bbclass

inherit goarch ptest

def get_go_parallel_make(d):
    pm = (d.getVar('PARALLEL_MAKE') or '').split()
    # look for '-j' and throw other options (e.g. '-l') away
    # because they might have a different meaning in golang
    while pm:
        opt = pm.pop(0)
        if opt == '-j':
            v = pm.pop(0)
        elif opt.startswith('-j'):
            v = opt[2:].strip()
        else:
            continue

        return '-p %d' % int(v)

    return ""

GO_PARALLEL_BUILD ?= "${@get_go_parallel_make(d)}"

GOROOT_class-native = "${STAGING_LIBDIR_NATIVE}/go"
GOROOT_class-nativesdk = "${STAGING_DIR_TARGET}${libdir}/go"
GOROOT = "${STAGING_LIBDIR}/go"
export GOROOT
export GOROOT_FINAL = "${libdir}/go"

DEPENDS_GOLANG_class-target = "virtual/${TARGET_PREFIX}go virtual/${TARGET_PREFIX}go-runtime"
DEPENDS_GOLANG_class-native = "go-native"
DEPENDS_GOLANG_class-nativesdk = "virtual/${TARGET_PREFIX}go-crosssdk virtual/${TARGET_PREFIX}go-runtime"

DEPENDS_append = " ${DEPENDS_GOLANG}"

GO_LINKSHARED ?= "${@'-linkshared' if d.getVar('GO_DYNLINK') else ''}"
GO_RPATH_LINK = "${@'-Wl,-rpath-link=${STAGING_DIR_TARGET}${libdir}/go/pkg/${TARGET_GOTUPLE}_dynlink' if d.getVar('GO_DYNLINK') else ''}"
GO_RPATH = "${@'-r ${libdir}/go/pkg/${TARGET_GOTUPLE}_dynlink' if d.getVar('GO_DYNLINK') else ''}"
GO_RPATH_class-native = "${@'-r ${STAGING_LIBDIR_NATIVE}/go/pkg/${TARGET_GOTUPLE}_dynlink' if d.getVar('GO_DYNLINK') else ''}"
GO_RPATH_LINK_class-native = "${@'-Wl,-rpath-link=${STAGING_LIBDIR_NATIVE}/go/pkg/${TARGET_GOTUPLE}_dynlink' if d.getVar('GO_DYNLINK') else ''}"
GO_EXTLDFLAGS ?= "${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS} ${GO_RPATH_LINK} ${LDFLAGS}"
GO_LINKMODE ?= ""
GO_LINKMODE_class-nativesdk = "--linkmode=external"
GO_LDFLAGS ?= '-ldflags="${GO_RPATH} ${GO_LINKMODE} -extldflags '${GO_EXTLDFLAGS}'"'
export GOBUILDFLAGS ?= "-v ${GO_LDFLAGS}"
export GOPTESTBUILDFLAGS ?= "${GOBUILDFLAGS} -c"
export GOPTESTFLAGS ?= "-test.v"
GOBUILDFLAGS_prepend_task-compile = "${GO_PARALLEL_BUILD} "

export GO = "${HOST_PREFIX}go"
GOTOOLDIR = "${STAGING_LIBDIR_NATIVE}/${TARGET_SYS}/go/pkg/tool/${BUILD_GOTUPLE}"
GOTOOLDIR_class-native = "${STAGING_LIBDIR_NATIVE}/go/pkg/tool/${BUILD_GOTUPLE}"
export GOTOOLDIR

SECURITY_CFLAGS = "${SECURITY_NOPIE_CFLAGS}"
SECURITY_LDFLAGS = ""

export CGO_ENABLED ?= "1"
export CGO_CFLAGS ?= "${CFLAGS}"
export CGO_CPPFLAGS ?= "${CPPFLAGS}"
export CGO_CXXFLAGS ?= "${CXXFLAGS}"
export CGO_LDFLAGS ?= "${LDFLAGS}"

GO_INSTALL ?= "${GO_IMPORT}/..."
GO_INSTALL_FILTEROUT ?= "${GO_IMPORT}/vendor/"

B = "${WORKDIR}/build"
export GOPATH = "${B}"
GO_TMPDIR ?= "${WORKDIR}/go-tmp"
GO_TMPDIR[vardepvalue] = ""

python go_do_unpack() {
    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return

    try:
        fetcher = bb.fetch2.Fetch(src_uri, d)
        for url in fetcher.urls:
            if fetcher.ud[url].type == 'git':
                if fetcher.ud[url].parm.get('destsuffix') is None:
                    s_dirname = os.path.basename(d.getVar('S'))
                    fetcher.ud[url].parm['destsuffix'] = os.path.join(s_dirname, 'src',
                                                                      d.getVar('GO_IMPORT')) + '/'
        fetcher.unpack(d.getVar('WORKDIR'))
    except bb.fetch2.BBFetchException as e:
        raise bb.build.FuncFailed(e)
}

go_list_packages() {
	${GO} list -f '{{.ImportPath}}' ${GOBUILDFLAGS} ${GO_INSTALL} | \
		egrep -v '${GO_INSTALL_FILTEROUT}'
}

go_list_package_tests() {
    ${GO} list -f '{{.ImportPath}} {{.TestGoFiles}}' ${GOBUILDFLAGS} ${GO_INSTALL} | \
		grep -v '\[\]$' | \
		egrep -v '${GO_INSTALL_FILTEROUT}' | \
		awk '{ print $1 }'
}

go_do_configure() {
	ln -snf ${S}/src ${B}/
}

go_do_compile() {
	export TMPDIR="${GO_TMPDIR}"
	${GO} env
	if [ -n "${GO_INSTALL}" ]; then
		${GO} install ${GO_LINKSHARED} ${GOBUILDFLAGS} `go_list_packages`
	fi
}
do_compile[dirs] =+ "${GO_TMPDIR}"
do_compile[cleandirs] = "${B}/bin ${B}/pkg"

do_compile_ptest() {
    export TMPDIR="${GO_TMPDIR}"
    rm -f ${B}/.go_compiled_tests.list
	go_list_package_tests | while read pkg; do
		cd ${B}/src/$pkg
		${GO} test ${GOPTESTBUILDFLAGS} $pkg
		find . -mindepth 1 -maxdepth 1 -type f -name '*.test' -exec echo $pkg/{} \; | \
			sed -e's,/\./,/,'>> ${B}/.go_compiled_tests.list
	done
}
do_compile_ptest_base[dirs] =+ "${GO_TMPDIR}"

go_do_install() {
	install -d ${D}${libdir}/go/src/${GO_IMPORT}
	tar -C ${S}/src/${GO_IMPORT} -cf - --exclude-vcs --exclude '*.test' . | \
		tar -C ${D}${libdir}/go/src/${GO_IMPORT} --no-same-owner -xf -
	tar -C ${B} -cf - pkg | tar -C ${D}${libdir}/go --no-same-owner -xf -

	if [ -n "`ls ${B}/${GO_BUILD_BINDIR}/`" ]; then
		install -d ${D}${bindir}
		install -m 0755 ${B}/${GO_BUILD_BINDIR}/* ${D}${bindir}/
	fi
}

do_install_ptest_base() {
set -x
    test -f "${B}/.go_compiled_tests.list" || exit 0
    tests=""
    while read test; do
        tests="$tests${tests:+ }${test%.test}"
        testdir=`dirname $test`
        install -d ${D}${PTEST_PATH}/$testdir
        install -m 0755 ${B}/src/$test ${D}${PTEST_PATH}/$test
        if [ -d "${B}/src/$testdir/testdata" ]; then
            cp --preserve=mode,timestamps -R "${B}/src/$testdir/testdata" ${D}${PTEST_PATH}/$testdir
        fi
    done < ${B}/.go_compiled_tests.list
    if [ -n "$tests" ]; then
        install -d ${D}${PTEST_PATH}
        cat >${D}${PTEST_PATH}/run-ptest <<EOF
#!/bin/sh
ANYFAILED=0
for t in $tests; do
    testdir=\`dirname \$t.test\`
    if ( cd "${PTEST_PATH}/\$testdir"; "${PTEST_PATH}/\$t.test" ${GOPTESTFLAGS} | tee /dev/fd/9 | grep -q "^FAIL" ) 9>&1; then
        ANYFAILED=1
    fi
done
if [ \$ANYFAILED -ne 0 ]; then
    echo "FAIL: ${PN}"
    exit 1
fi
echo "PASS: ${PN}"
exit 0
EOF
        chmod +x ${D}${PTEST_PATH}/run-ptest
    else
        rm -rf ${D}${PTEST_PATH}
    fi
set +x
}

EXPORT_FUNCTIONS do_unpack do_configure do_compile do_install

FILES_${PN}-dev = "${libdir}/go/src"
FILES_${PN}-staticdev = "${libdir}/go/pkg"

INSANE_SKIP_${PN} += "ldflags"
INSANE_SKIP_${PN}-ptest += "ldflags"