Backported the build-time check for the getrandom syscall

..from Python 3.5.2.
The Python 3.5.1 build-time check was failing due to missing headers.

Resolves: rhbz#1350123

00246-Updated-the-buildtime-check-for-the-getrandom-syscal.patch

@@ -0,0 +1,58 @@
+From 7cedccf19a4a653b3e591928dc7b3d0e7d1ec50a Mon Sep 17 00:00:00 2001
+From: Tomas Orsava <torsava@redhat.com>
+Date: Fri, 16 Sep 2016 17:58:35 +0200
+Subject: [PATCH] Updated the buildtime check for the getrandom syscall
+
+to the one from Python version 3.5.2
+---
+ configure    | 6 ++++--
+ configure.ac | 6 ++++--
+ 2 files changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/configure b/configure
+index 3a46658..f7f3717 100755
+--- a/configure
++++ b/configure
+@@ -16111,13 +16111,15 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+ 
++    #include <unistd.h>
+     #include <sys/syscall.h>
++    #include <linux/random.h>
+ 
+     int main() {
+         char buffer[1];
+         const size_t buflen = sizeof(buffer);
+-        const int flags = 0;
+-        /* ignore the result, Python checks for ENOSYS at runtime */
++        const int flags = GRND_NONBLOCK;
++        /* ignore the result, Python checks for ENOSYS and EAGAIN at runtime */
+         (void)syscall(SYS_getrandom, buffer, buflen, flags);
+         return 0;
+     }
+diff --git a/configure.ac b/configure.ac
+index 05e067e..526688c 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5168,13 +5168,15 @@ AC_MSG_CHECKING(for the Linux getrandom() syscall)
+ AC_LINK_IFELSE(
+ [
+   AC_LANG_SOURCE([[
++    #include <unistd.h>
+     #include <sys/syscall.h>
++    #include <linux/random.h>
+ 
+     int main() {
+         char buffer[1];
+         const size_t buflen = sizeof(buffer);
+-        const int flags = 0;
+-        /* ignore the result, Python checks for ENOSYS at runtime */
++        const int flags = GRND_NONBLOCK;
++        /* ignore the result, Python checks for ENOSYS and EAGAIN at runtime */
+         (void)syscall(SYS_getrandom, buffer, buflen, flags);
+         return 0;
+     }
+-- 
+2.9.0
+

python3.spec

@@ -112,7 +112,7 @@
 Summary: Version 3 of the Python programming language aka Python 3000
 Name: python3
 Version: %{pybasever}.1
-Release: 16%{?dist}
+Release: 17%{?dist}
 License: Python
 Group: Development/Languages
 
@@ -501,6 +501,15 @@ Patch241: 00241-CVE-2016-5636-buffer-overflow-in-zipimport-module-fix.patch
 # Resolves: rhbz#1359177
 Patch242: 00242-CVE-2016-1000110-httpoxy.patch
 
+# 00246 #
+# Backported the build-time check for the getrandom syscall from Python 3.5.2.
+#   The Python 3.5.1 build-time check was failing due to missing headers.
+# Note: After rhbz#1377240 is resolved, the patch for the configure file
+#   can be omitted.
+# Resolves: rhbz#1350123
+Patch246: 00246-Updated-the-buildtime-check-for-the-getrandom-syscal.patch
+
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -768,6 +777,7 @@ sed -r -i s/'_PIP_VERSION = "[0-9.]+"'/'_PIP_VERSION = "%{pip_version}"'/ Lib/en
 %patch237 -p1
 %patch241 -p1
 %patch242 -p1
+%patch246 -p1
 
 # Currently (2010-01-15), http://docs.python.org/library is for 2.6, and there
 # are many differences between 2.6 and the Python 3 library.
@@ -1664,6 +1674,11 @@ rm -fr %{buildroot}
 # ======================================================
 
 %changelog
+* Fri Sep 16 2016 Tomas Orsava <torsava@redhat.com> - 3.5.1-17
+- Backported the build-time check for the getrandom syscall from Python 3.5.2
+- The Python 3.5.1 build-time check was failing due to missing headers
+- Resolves: rhbz#1350123
+
 * Wed Sep 14 2016 Charalampos Stratakis <cstratak@redhat.com> - 3.5.1-16
 - Obsolete and Provide python35 package