[meta-xilinx] [meta-petalinux][rel-v2016.4][PATCH] go-osarchmap.bbclass: Fix for go package

[Manjukumar Matha]

The entire class has to be copied and cannot be extended. This patch
fixes the issue while building go packages

Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha at xilinx.com>
---
 classes/go-osarchmap.bbclass | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/classes/go-osarchmap.bbclass b/classes/go-osarchmap.bbclass
index d907116..aff844d 100644
--- a/classes/go-osarchmap.bbclass
+++ b/classes/go-osarchmap.bbclass
@@ -1,4 +1,15 @@
-inherit go-osarchmap
+BUILD_GOOS = "${@go_map_os(d.getVar('BUILD_OS', True), d)}"
+BUILD_GOARCH = "${@go_map_arch(d.getVar('BUILD_ARCH', True), d)}"
+BUILD_GOTUPLE = "${BUILD_GOOS}_${BUILD_GOARCH}"
+HOST_GOOS = "${@go_map_os(d.getVar('HOST_OS', True), d)}"
+HOST_GOARCH = "${@go_map_arch(d.getVar('HOST_ARCH', True), d)}"
+HOST_GOARM = "${@go_map_arm(d.getVar('HOST_ARCH', True), d.getVar('TUNE_FEATURES', True), d)}"
+HOST_GOTUPLE = "${HOST_GOOS}_${HOST_GOARCH}"
+TARGET_GOOS = "${@go_map_os(d.getVar('TARGET_OS', True), d)}"
+TARGET_GOARCH = "${@go_map_arch(d.getVar('TARGET_ARCH', True), d)}"
+TARGET_GOARM = "${@go_map_arm(d.getVar('TARGET_ARCH', True), d.getVar('TUNE_FEATURES', True), d)}"
+TARGET_GOTUPLE = "${TARGET_GOOS}_${TARGET_GOARCH}"
+GO_BUILD_BINDIR = "${@['bin/${HOST_GOTUPLE}','bin'][d.getVar('BUILD_GOTUPLE',True) == d.getVar('HOST_GOTUPLE',True)]}"
 
 def go_map_arch(a, d):
     import re
@@ -14,3 +25,14 @@ def go_map_arch(a, d):
         return 'powerpc'
     else:
         bb.warn("cannot map '%s' to a Go architecture" % a)
+
+def go_map_arm(a, f, d):
+    import re
+    if re.match('arm.*', a) and re.match('arm.*7.*', f):
+        return '7'
+    return ''
+
+def go_map_os(o, d):
+    if o.startswith('linux'):
+        return 'linux'
+    return o
-- 
2.7.4