[PATCH v4 02/13] go: set GOMIPS envrionment variable

[Matt Madison <matt@madison.systems>]

Go 1.10 adds support for selecting hard/soft float
object code through the GOMIPS environment variable.

Signed-off-by: Matt Madison <matt@madison.systems>
---
 meta/classes/goarch.bbclass                    | 11 +++++++++++
 meta/recipes-devtools/go/go-cross-canadian.inc |  1 +
 meta/recipes-devtools/go/go-cross.inc          |  2 ++
 meta/recipes-devtools/go/go-runtime.inc        |  1 +
 meta/recipes-devtools/go/go-target.inc         |  1 +
 5 files changed, 16 insertions(+)

diff --git a/meta/classes/goarch.bbclass b/meta/classes/goarch.bbclass
index 922c0cc8f3..1021b94d4c 100644
--- a/meta/classes/goarch.bbclass
+++ b/meta/classes/goarch.bbclass
@@ -5,11 +5,13 @@ HOST_GOOS = "${@go_map_os(d.getVar('HOST_OS'), d)}"
 HOST_GOARCH = "${@go_map_arch(d.getVar('HOST_ARCH'), d)}"
 HOST_GOARM = "${@go_map_arm(d.getVar('HOST_ARCH'), d.getVar('TUNE_FEATURES'), d)}"
 HOST_GO386 = "${@go_map_386(d.getVar('HOST_ARCH'), d.getVar('TUNE_FEATURES'), d)}"
+HOST_GOMIPS = "${@go_map_mips(d.getVar('HOST_ARCH'), d.getVar('TUNE_FEATURES'), d)}"
 HOST_GOTUPLE = "${HOST_GOOS}_${HOST_GOARCH}"
 TARGET_GOOS = "${@go_map_os(d.getVar('TARGET_OS'), d)}"
 TARGET_GOARCH = "${@go_map_arch(d.getVar('TARGET_ARCH'), d)}"
 TARGET_GOARM = "${@go_map_arm(d.getVar('TARGET_ARCH'), d.getVar('TUNE_FEATURES'), d)}"
 TARGET_GO386 = "${@go_map_386(d.getVar('TARGET_ARCH'), d.getVar('TUNE_FEATURES'), d)}"
+TARGET_GOMIPS = "${@go_map_mips(d.getVar('TARGET_ARCH'), d.getVar('TUNE_FEATURES'), d)}"
 TARGET_GOTUPLE = "${TARGET_GOOS}_${TARGET_GOARCH}"
 GO_BUILD_BINDIR = "${@['bin/${HOST_GOTUPLE}','bin'][d.getVar('BUILD_GOTUPLE') == d.getVar('HOST_GOTUPLE')]}"
 
@@ -78,6 +80,15 @@ def go_map_386(a, f, d):
             return '387'
     return ''
 
+def go_map_mips(a, f, d):
+    import re
+    if a == 'mips' or a == 'mipsel':
+        if 'fpu-hard' in f:
+            return 'hardfloat'
+        else:
+            return 'softfloat'
+    return ''
+
 def go_map_os(o, d):
     if o.startswith('linux'):
         return 'linux'
diff --git a/meta/recipes-devtools/go/go-cross-canadian.inc b/meta/recipes-devtools/go/go-cross-canadian.inc
index c84aa4c9eb..3b98ea449f 100644
--- a/meta/recipes-devtools/go/go-cross-canadian.inc
+++ b/meta/recipes-devtools/go/go-cross-canadian.inc
@@ -42,6 +42,7 @@ export GOARCH="${TARGET_GOARCH}"
 export GOOS="${TARGET_GOOS}"
 test -n "\$GOARM" || export GOARM="${TARGET_GOARM}"
 test -n "\$GO386" || export GO386="${TARGET_GO386}"
+test -n "\$GOMIPS" || export GOMIPS="${TARGET_GOMIPS}"
 export GOTOOLDIR="\$native_goroot/pkg/tool/${HOST_GOTUPLE}"
 test -n "\$GOROOT" || export GOROOT="\$OECORE_TARGET_SYSROOT/${target_libdir}/go"
 \$here/../../lib/${TARGET_SYS}/go/bin/$1 "\$@"
diff --git a/meta/recipes-devtools/go/go-cross.inc b/meta/recipes-devtools/go/go-cross.inc
index fe92651581..289ae77104 100644
--- a/meta/recipes-devtools/go/go-cross.inc
+++ b/meta/recipes-devtools/go/go-cross.inc
@@ -11,6 +11,7 @@ export GOOS = "${TARGET_GOOS}"
 export GOARCH = "${TARGET_GOARCH}"
 export GOARM = "${TARGET_GOARM}"
 export GO386 = "${TARGET_GO386}"
+export GOMIPS = "${TARGET_GOMIPS}"
 export GOROOT_BOOTSTRAP = "${STAGING_LIBDIR_NATIVE}/go"
 export GOROOT_FINAL = "${libdir}/go"
 export GOCACHE = "off"
@@ -40,6 +41,7 @@ export GOARCH="${TARGET_GOARCH}"
 export GOOS="${TARGET_GOOS}"
 export GOARM="\${GOARM:-${TARGET_GOARM}}"
 export GO386="\${GO386:-${TARGET_GO386}}"
+export GOMIPS="\${GOMIPS:-${TARGET_GOMIPS}}"
 \$here/../../lib/${CROSS_TARGET_SYS_DIR}/go/bin/$1 "\$@"
 END
 	chmod +x ${D}${bindir}/$2
diff --git a/meta/recipes-devtools/go/go-runtime.inc b/meta/recipes-devtools/go/go-runtime.inc
index 7a3b415b3f..0fe4566360 100644
--- a/meta/recipes-devtools/go/go-runtime.inc
+++ b/meta/recipes-devtools/go/go-runtime.inc
@@ -8,6 +8,7 @@ export GOOS = "${TARGET_GOOS}"
 export GOARCH = "${TARGET_GOARCH}"
 export GOARM = "${TARGET_GOARM}"
 export GO386 = "${TARGET_GO386}"
+export GOMIPS = "${TARGET_GOMIPS}"
 export GOROOT_BOOTSTRAP = "${STAGING_LIBDIR_NATIVE}/go"
 export GOROOT_FINAL = "${libdir}/go"
 export CGO_ENABLED = "1"
diff --git a/meta/recipes-devtools/go/go-target.inc b/meta/recipes-devtools/go/go-target.inc
index a53a314c78..141a456cca 100644
--- a/meta/recipes-devtools/go/go-target.inc
+++ b/meta/recipes-devtools/go/go-target.inc
@@ -8,6 +8,7 @@ export GOOS = "${TARGET_GOOS}"
 export GOARCH = "${TARGET_GOARCH}"
 export GOARM = "${TARGET_GOARM}"
 export GO386 = "${TARGET_GO386}"
+export GOMIPS = "${TARGET_GOMIPS}"
 export GOROOT_BOOTSTRAP = "${STAGING_LIBDIR_NATIVE}/go"
 export GOROOT_FINAL = "${libdir}/go"
 export CGO_ENABLED = "1"
-- 
2.14.1