meta: replace os.system with subprocess.call

Replace os.system with subprocess.call since the older function would
fail (more or less) silently if the executed program cannot be found

More info:
http://docs.python.org/library/subprocess.html#subprocess-replacements

[YOCTO #2454]

(From OE-Core rev: a07d03cc6f67c88feb9813ae7deb6e4a93552dfe)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/meta/recipes-core/uclibc/uclibc.inc b/meta/recipes-core/uclibc/uclibc.inc
index 55ab0c92b3..67692793dc 100644
--- a/meta/recipes-core/uclibc/uclibc.inc
+++ b/meta/recipes-core/uclibc/uclibc.inc
@@ -167,9 +167,10 @@ python () {
                    "/^### ABI$/a\\\nCONFIG_%s=y\n\n" % ("${UCLIBC_ABI}"))
 }
 
-do_patch_append() {
-        os.system("ln -sf ${STAGING_INCDIR}/linux ${S}/include/linux")
-        os.system("ln -sf ${STAGING_INCDIR}/asm ${S}/include/asm")
+python do_patch_append() {
+        import subprocess
+        subprocess.call("ln -sf ${STAGING_INCDIR}/linux ${S}/include/linux", shell=True)
+        subprocess.call("ln -sf ${STAGING_INCDIR}/asm ${S}/include/asm", shell=True)
 }
 
 do_configure() {