[OE-core] [PATCH v10 4/5] go.bbclass: set TMPDIR during compilation

[Otavio Salvador]

From: Matt Madison <matt at madison.systems>

The go build tool creates working directories under
$TMPDIR for all of its processing.  Create a directory
under ${WORKDIR} for this and point TMPDIR at it during
compilation, so that systems that have a relatively
small /tmp filesystems can still compile larger Go
packages.

Signed-off-by: Matt Madison <matt at madison.systems>
Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---

Changes in v10:
- new patch

 meta/classes/go.bbclass | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/classes/go.bbclass b/meta/classes/go.bbclass
index 863b578e5c..e167c949ec 100644
--- a/meta/classes/go.bbclass
+++ b/meta/classes/go.bbclass
@@ -61,6 +61,8 @@ 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()
@@ -97,14 +99,17 @@ go_do_configure() {
 }
 
 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
@@ -113,6 +118,7 @@ do_compile_ptest() {
 			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}
-- 
2.14.1