!15 add compile option _FORTIFY_SOURCE

From: @renxichen 
Reviewed-by: @overweight 
Signed-off-by: @overweight

python-systemd.spec

@@ -1,6 +1,6 @@
 Name:           python-systemd
 Version:        234
-Release:        14
+Release:        15
 Summary:        Python module for native access to the systemd facilities.
 License:        LGPLv2+
 URL:            https://github.com/systemd/%{name}
@@ -38,6 +38,7 @@ Systemed functionality for Python3 Packages.
 sed -i 's/py\.test/pytest/' Makefile
 
 %build
+export CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -O2"
 %make_build PYTHON=%{__python3} CFLAGS="$RPM_OPT_FLAGS"
 %make_build PYTHON=%{__python3} SPHINX_BUILD=sphinx-build-3 sphinx-html
 
@@ -63,6 +64,9 @@ make check PYTHON=%{__python3}
 %exclude %{_pkgdocdir}/html
 
 %changelog
+* Mon Jun 20 2022 renhongxun <renhongxun@h-partners.com> - 234-15
+- add compile option _FORTIFY_SOURCE
+
 * Sat Feb 26 2022 shixuantong <shixuantong@h-partners.com> - 234-14
 - fix SystemError:PY_SSIZE_T_CLEAN macro must be defined for '#' formats