go: Disbale CGO for riscv64

cgo is still not available in go for riscv64, we will re-evaluate it
once we upgrade to 1.15

Fixes
| /usr/src/debug/go-runtime/1.14.4-r0/go/src/runtime/cgo/gcc_util.c:23: undefined reference to `_cgo_sys_thread_start'

[YOCTO #13966]

(From OE-Core rev: 987d29d0b0dfa19ef6564996198f22c2b08f6ff9)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit f512b3308ed6ee878c77f72b9235ada83d107dba)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 2 insertions, 1 deletions

diff --git a/meta/recipes-devtools/go/go-runtime_1.14.bb b/meta/recipes-devtools/go/go-runtime_1.14.bb
index 43b68b4e46..4eeee65e0c 100644
--- a/meta/recipes-devtools/go/go-runtime_1.14.bb
+++ b/meta/recipes-devtools/go/go-runtime_1.14.bb
@@ -1,2 +1,3 @@
+export CGO_ENABLED_riscv64 = ""
 require go-${PV}.inc
 require go-runtime.inc
diff --git a/meta/recipes-devtools/go/go_1.14.bb b/meta/recipes-devtools/go/go_1.14.bb
index 5d40cf9d04..bc90a1329e 100644
--- a/meta/recipes-devtools/go/go_1.14.bb
+++ b/meta/recipes-devtools/go/go_1.14.bb
@@ -2,7 +2,7 @@ require go-${PV}.inc
 require go-target.inc
 
 export GOBUILDMODE=""
-
+export CGO_ENABLED_riscv64 = ""
 # Add pie to GOBUILDMODE to satisfy "textrel" QA checking, but mips/riscv
 # doesn't support -buildmode=pie, so skip the QA checking for mips/riscv and its
 # variants.