go: add go-cross 1.6

Introduce the 1.6 go release, and port patches to apply to this version.
Existing versions (1.5) are not removed, so this is not a forced update.

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/recipes-devtools/go-cross/go-1.6/fix-cc-handling.patch b/recipes-devtools/go-cross/go-1.6/fix-cc-handling.patch
new file mode 100644
index 00000000..85770a93
--- /dev/null
+++ b/recipes-devtools/go-cross/go-1.6/fix-cc-handling.patch
@@ -0,0 +1,46 @@
+Index: go/src/cmd/go/build.go
+===================================================================
+--- go.orig/src/cmd/go/build.go 2015-07-29 14:48:40.323185807 -0700
++++ go/src/cmd/go/build.go      2015-07-30 07:37:40.529818586 -0700
+@@ -2805,12 +2805,24 @@
+        return b.ccompilerCmd("CC", defaultCC, objdir)
+ }
+ 
++// gccCmd returns a gcc command line prefix
++// defaultCC is defined in zdefaultcc.go, written by cmd/dist.
++func (b *builder) gccCmdForReal() []string {
++       return envList("CC", defaultCC)
++}
++
+ // gxxCmd returns a g++ command line prefix
+ // defaultCXX is defined in zdefaultcc.go, written by cmd/dist.
+ func (b *builder) gxxCmd(objdir string) []string {
+        return b.ccompilerCmd("CXX", defaultCXX, objdir)
+ }
+ 
++// gxxCmd returns a g++ command line prefix
++// defaultCXX is defined in zdefaultcc.go, written by cmd/dist.
++func (b *builder) gxxCmdForReal() []string {
++       return envList("CXX", defaultCXX)
++}
++
+ // ccompilerCmd returns a command line prefix for the given environment
+ // variable and using the default command when the variable is empty.
+ func (b *builder) ccompilerCmd(envvar, defcmd, objdir string) []string {
+Index: go/src/cmd/go/env.go
+===================================================================
+--- go.orig/src/cmd/go/env.go   2015-07-29 14:48:40.323185807 -0700
++++ go/src/cmd/go/env.go        2015-07-30 07:40:54.461655721 -0700
+@@ -52,10 +52,9 @@
+ 
+        if goos != "plan9" {
+                cmd := b.gccCmd(".")
+-               env = append(env, envVar{"CC", cmd[0]})
++               env = append(env, envVar{"CC", strings.Join(b.gccCmdForReal(), " ")})
+                env = append(env, envVar{"GOGCCFLAGS", strings.Join(cmd[3:], " ")})
+-               cmd = b.gxxCmd(".")
+-               env = append(env, envVar{"CXX", cmd[0]})
++               env = append(env, envVar{"CXX", strings.Join(b.gxxCmdForReal(), " ")})
+        }
+ 
+        if buildContext.CgoEnabled {