lib/oe/utils: Set stderr for host_gcc_version()

The following changes since commit 8bc0d2f2197430723f8b2d0785169e48c883eedb:

mdadm: Drop redundant patches and fix build with clang (2018-12-09 11:08:07 +0000)

are available in the git repository at:

git://git.openembedded.org/openembedded-core-contrib rbt/stderr
http://cgit.openembedded.org/openembedded-core-contrib/log/?h=rbt/stderr

Robert Yang (1):
lib/oe/utils: Set stderr for host_gcc_version()

 meta/lib/oe/utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

2.7.4

Fixed:

$ ln -s /usr/bin/ccache /folk/lyang1/bin/gcc
$ rm -fr tmp/hosttools/ && bitbake -p
[snip]
ERROR: Error running gcc  --version:

It didn't print the error message, now it is:
ERROR: Error running gcc --version: ccache: error: Could not find compiler "gcc" in PATH

For the error itself, it is because ccache is not in my HOSTTOOLS, so this is an expected error.

---
 meta/lib/oe/utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

index 8a584d6..29b4115 100644
@@ -366,7 +366,8 @@ def host_gcc_version(d, taskcontextonly=False):
     try:
         env = os.environ.copy()
         env["PATH"] = d.getVar("PATH")
-        output = subprocess.check_output("%s --version" % compiler, shell=True, env=env).decode("utf-8")
+        output = subprocess.check_output("%s --version" % compiler, \
+                    shell=True, env=env, stderr=subprocess.STDOUT).decode("utf-8")
     except subprocess.CalledProcessError as e:
         bb.fatal("Error running %s --version: %s" % (compiler, e.output.decode("utf-8")))
 

2.7.4