specfile: explicitly added '-g' option into CFLAGS & CXXFLAGS

To correctly build .debug_info for i386 architecture.

gmp.spec

@@ -6,7 +6,7 @@
 Summary: A GNU arbitrary precision library
 Name: gmp
 Version: 6.1.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 Epoch: 1
 URL: http://gmplib.org/
 Source0: ftp://ftp.gmplib.org/pub/gmp-%{version}/gmp-%{version}.tar.bz2
@@ -108,7 +108,7 @@ sed -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' \
     -e 's|-lstdc++ -lm|-lstdc++|' \
     -i libtool
 export LD_LIBRARY_PATH=`pwd`/.libs
-make CFLAGS="$RPM_OPT_FLAGS" %{?_smp_mflags}
+make CFLAGS="$RPM_OPT_FLAGS -g" CXXFLAGS="$RPM_OPT_FLAGS -g" %{?_smp_mflags}
 cd ..
 #%ifarch %{ix86}
 #mkdir build-sse2
@@ -250,6 +250,9 @@ exit 0
 %{_libdir}/libgmpxx.a
 
 %changelog
+* Fri Feb 17 2017 David Kaspar [Dee'Kej] <dkaspar@redhat.com> - 1:6.1.2-3
+- Explicitly added '-g' option into CFLAGS & CXXFLAGS to correctly build .debug_info for i386
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1:6.1.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild