diff --git a/texlive.changes b/texlive.changes
index a874c21..259f53b 100644
--- a/texlive.changes
+++ b/texlive.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri May 31 12:29:26 UTC 2019 - Dr. Werner Fink <werner@suse.de>
+
+- Avoid error on older compiler aswel as older glm on Leap 42.3
+
 -------------------------------------------------------------------
 Wed May 29 06:37:37 UTC 2019 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/texlive.spec b/texlive.spec
index 1ea7911..bdc4f94 100644
--- a/texlive.spec
+++ b/texlive.spec
@@ -3551,6 +3551,7 @@ This package is required by the package texlive-biber-bin.
     cflags -Wl,--hash-size=8599		XLDFLAGS
     cflags -Wl,-warn-common		XLDFLAGS
     cflags -Wl,-Bsymbolic-functions	XLDFLAGS
+    XCXXFLAGS="${XCXXFLAGS/-Wno-unprototyped-calls/}"
     HOST=%{_target_cpu}-suse-%{_host_os}
     BUILD=%{_target_cpu}-suse-%{_build_os}
     BINARY=${CPU}-${OS}
@@ -3855,14 +3856,24 @@ fi
 		/* GNU ld script */
 		INPUT(%{_libdir}/libOSMesa.so AS_NEEDED(-lglapi))
 	EOF
+%if 0%{?suse_version} <= 1350
+	sed -ri '/^namespace camp \{/{ s/$/ using glm::value_ptr;/; }'  glrender.cc
+%endif
 	PATH=$prefix/bin:$PATH			\
 	TEXMFLOCAL=%{_texmfmaindir}		\
 	TEXMFCNF=$texmfcnf			\
 	STRIP=/bin/true				\
 	STRIPPROG=/bin/true			\
 	LDFLAGS="$LDFLAGS -L$PWD"		\
+	CFLAGS="${CFLAGS/-Wno-unprototyped-calls/}"	\
+	CXXFLAGS="${CXXFLAGS/-Wno-unprototyped-calls/}"	\
+%if 0%{?suse_version} <= 1350
+	CFLAGS="${CFLAGS/-std=gnu99/-std=gnu++11} -DGLM_FORCE_RADIANS"		\
+	CXXFLAGS="${CXXFLAGS/-std=gnu99/-std=gnu++11} -DGLM_FORCE_RADIANS"	\
+%else
 	CFLAGS="${CFLAGS/-std=gnu99/}"		\
 	CXXFLAGS="${CXXFLAGS/-std=gnu99/}"	\
+%endif
 	./configure				\
 	    --host=${HOST}			\
 	    --build=${BUILD}			\