Enable LTO

mozjs60.spec

@@ -1,5 +1,9 @@
 %global major 60
 
+# Enable LTO
+%global optflags        %{optflags} -flto
+%global build_ldflags   %{build_ldflags} -flto
+
 # Require libatomic for ppc
 %ifarch ppc
 %global system_libatomic 1
@@ -12,7 +16,7 @@
 
 Name:           mozjs%{major}
 Version:        60.8.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        SpiderMonkey JavaScript library
 
 License:        MPLv2.0 and MPLv1.1 and BSD and GPLv2+ and GPLv3+ and LGPLv2+ and AFL and ASL 2.0
@@ -104,6 +108,11 @@ popd
 rm -rf ../../modules/zlib
 
 %build
+# Enable LTO
+export AR=%{_bindir}/gcc-ar
+export RANLIB=%{_bindir}/gcc-ranlib
+export NM=%{_bindir}/gcc-nm
+
 export CFLAGS="%{optflags}"
 
 export CXXFLAGS="$CFLAGS"
@@ -181,6 +190,9 @@ ln -s libmozjs-%{major}.so.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so
 %{_includedir}/mozjs-%{major}/
 
 %changelog
+* Wed Jul 10 2019 Artem Polishchuk <ego.cordatus@gmail.com> - 60.8.0-2
+- Enable LTO
+
 * Tue Jul 09 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.8.0-1
 - Update to 60.8.0