[OE-core] [PATCH] piglit: don't use /tmp to write generated sources to

[Ross Burton]

If there are multiple builds on the same machine then piglit writing it's
generated sources to /tmp will race.  Instead, export TEMP to tell the tempfile
module to use a temporary directory under ${B}.

Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/recipes-graphics/piglit/piglit_git.bb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/recipes-graphics/piglit/piglit_git.bb b/meta/recipes-graphics/piglit/piglit_git.bb
index e0bd1fe..4858652 100644
--- a/meta/recipes-graphics/piglit/piglit_git.bb
+++ b/meta/recipes-graphics/piglit/piglit_git.bb
@@ -18,6 +18,12 @@ inherit cmake pythonnative distro_features_check
 # depends on virtual/libx11
 REQUIRED_DISTRO_FEATURES = "x11"
 
+# The built scripts go into the temporary directory according to tempfile
+# (typically /tmp) which can race if multiple builds happen on the same machine,
+# so tell it to use a directory in ${B} to avoid overwriting.
+export TEMP = "${B}/temp/"
+do_compile[dirs] =+ "${B}/temp/"
+
 PACKAGECONFIG ??= ""
 PACKAGECONFIG[freeglut] = "-DPIGLIT_USE_GLUT=1,-DPIGLIT_USE_GLUT=0,freeglut,"
 
-- 
2.7.0