[pypy-commit] pypy release-pypy2.7-5.x: Support translation with older Linux kernel headers

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: release-pypy2.7-5.x
Changeset: r90929:c8a8072b284d
Date: 2017-03-20 23:32 +0100
http://bitbucket.org/pypy/pypy/changeset/c8a8072b284d/

Log:	Support translation with older Linux kernel headers

diff --git a/rpython/rlib/rurandom.py b/rpython/rlib/rurandom.py
--- a/rpython/rlib/rurandom.py
+++ b/rpython/rlib/rurandom.py
@@ -99,8 +99,11 @@
         eci = eci.merge(ExternalCompilationInfo(includes=['linux/random.h']))
         class CConfig:
             _compilation_info_ = eci
-            GRND_NONBLOCK = rffi_platform.ConstantInteger('GRND_NONBLOCK')
+            GRND_NONBLOCK = rffi_platform.DefinedConstantInteger(
+                'GRND_NONBLOCK')
         globals().update(rffi_platform.configure(CConfig))
+        if GRND_NONBLOCK is None:
+            GRND_NONBLOCK = 0x0001      # from linux/random.h
 
         # On Linux, use the syscall() function because the GNU libc doesn't
         # expose the Linux getrandom() syscall yet.