[Buildroot] [PATCH] python modules search in non english locale (zlib, ...)

[Sébastien Royen]

setup.py: do not add crosscompile header locations if language is not
english

With buildroot toolchain, gcc can be multi language.
Python package setup.py need gcc english output to work fine. (find zlib
for example)
We force language to en_US for the need of output parsing.

Signed-off-by: Sebastien Royen <sebastien.royen at armadeus.com>
Index: b/setup.py
===================================================================
--- a/setup.py    2015-03-27 23:55:53.738987211 +0100
+++ b/setup.py    2015-03-27 23:44:48.482968892 +0100
@@ -414,7 +414,7 @@
         tmpfile = os.path.join(self.build_temp, 'gccpaths')
         if not os.path.exists(self.build_temp):
             os.makedirs(self.build_temp)
-        ret = os.system('%s -E -v - </dev/null 2>%s 1>/dev/null' %
(gcc, tmpfile))
+        ret = os.system('LANGUAGE=en_US %s -E -v - </dev/null 2>%s
1>/dev/null' % (gcc, tmpfile))
         is_gcc = False
         in_incdirs = False
         inc_dirs = []