Fix -Wint-in-bool-context warnings

00297-fix-int-in-bool-context-warnings.patch

@@ -0,0 +1,24 @@
+commit fd39e2a6845f33a74fbb0671c434c0d84a5ec2f3
+Author: Christian Heimes <christian@python.org>
+Date:   Fri Sep 15 20:27:23 2017 +0200
+
+    bpo-31474: Fix -Wint-in-bool-context warnings (#3581)
+    
+    Signed-off-by: Christian Heimes <christian@python.org>
+
+diff --git a/Include/pymem.h b/Include/pymem.h
+index 10b5bea5eb..2c239df590 100644
+--- a/Include/pymem.h
++++ b/Include/pymem.h
+@@ -72,9 +72,9 @@ PyAPI_FUNC(void) PyMem_Free(void *);
+ /* Returns NULL to indicate error if a negative size or size larger than
+    Py_ssize_t can represent is supplied.  Helps prevents security holes. */
+ #define PyMem_MALLOC(n)		((size_t)(n) > (size_t)PY_SSIZE_T_MAX ? NULL \
+-				: malloc((n) ? (n) : 1))
++				: malloc(((n) != 0) ? (n) : 1))
+ #define PyMem_REALLOC(p, n)	((size_t)(n) > (size_t)PY_SSIZE_T_MAX  ? NULL \
+-				: realloc((p), (n) ? (n) : 1))
++				: realloc((p), ((n) != 0) ? (n) : 1))
+ #define PyMem_FREE		free
+ 
+ #endif	/* PYMALLOC_DEBUG */

python2.spec

@@ -112,7 +112,7 @@ Summary: An interpreted, interactive, object-oriented programming language
 Name: %{python}
 # Remember to also rebase python-docs when changing this:
 Version: 2.7.14
-Release: 12%{?dist}
+Release: 13%{?dist}
 License: Python
 Group: Development/Languages
 Requires: %{python}-libs%{?_isa} = %{version}-%{release}
@@ -773,6 +773,14 @@ Patch289: 00289-disable-nis-detection.patch
 # See https://bugzilla.redhat.com/show_bug.cgi?id=1540316
 Patch293: 00293-fix-gc-alignment.patch
 
+# 00297 #
+# Fix -Wint-in-bool-context warnings that show up when compiling Python
+# (and, more importantly, Python libraries) with newer GCC.
+# See https://bugzilla.redhat.com/show_bug.cgi?id=1473425
+# Fixed upstream: https://github.com/python/cpython/pull/3581
+Patch297: 00297-fix-int-in-bool-context-warnings.patch
+
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python2" and "python3" in Fedora, EL, etc.,
@@ -1098,6 +1106,7 @@ mv Modules/cryptmodule.c Modules/_cryptmodule.c
 %patch288 -p1
 %patch289 -p1
 %patch293 -p1
+%patch297 -p1
 
 
 %if 0%{?_module_build}
@@ -1976,6 +1985,10 @@ CheckPython \
 # ======================================================
 
 %changelog
+* Mon Feb 26 2018 Petr Viktorin <pviktori@redhat.com> - 2.7.14-13
+- Fix -Wint-in-bool-context warnings
+Resolves: rhbz#1473425
+
 * Sat Feb 24 2018 Florian Weimer <fweimer@redhat.com> - 2.7.14-12
 - Rebuild with new LDFLAGS from redhat-rpm-config