diff --git a/libreoffice.changes b/libreoffice.changes
index f7a05b5..50bb9f2 100644
--- a/libreoffice.changes
+++ b/libreoffice.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Apr 17 09:26:37 UTC 2018 - tchvatal@suse.com
+
+- Do not enable LTO on older codestreams, too old toolchain
+
 -------------------------------------------------------------------
 Fri Apr 13 10:49:46 UTC 2018 - tchvatal@suse.com
 
diff --git a/libreoffice.spec b/libreoffice.spec
index d92dcd6..125f9bc 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -24,6 +24,12 @@
 %define external_url http://dev-www.libreoffice.org/src/
 %define tarball_url http://download.documentfoundation.org/libreoffice/src/6.0.3
 #%define tarball_url  http://dev-builds.libreoffice.org/pre-releases/src/
+# LTO needs newer toolchain stack only
+%if 0%{?suse_version} >= 1500
+%bcond_without lto
+%else
+%bcond_with lto
+%endif
 # Enable the kde integration on openSUSE only
 %if 0%{?is_opensuse}
 %bcond_without kdeintegration
@@ -929,9 +935,13 @@ echo "HTML_TIMESTAMP = NO" >> odk/docs/idl/Doxyfile
 source %{_sysconfdir}/profile.d/alljava.sh
 # use RPM_OPT_FLAGS, ...
 # remove big debugsymbols as we simply consume too much space
+%if %{with lto}
 ARCH_FLAGS="`echo %{optflags} -flifetime-dse=1 | sed -e 's/^-g /-g1 /g' -e 's/ -g / -g1 /g' -e 's/ -g$/ -g1/g'`"
-CFLAGS="$ARCH_FLAGS -flifetime-dse=1"
-CXXFLAGS="$ARCH_FLAGS -flifetime-dse=1"
+%else
+ARCH_FLAGS="`echo %{optflags} | sed -e 's/^-g /-g1 /g' -e 's/ -g / -g1 /g' -e 's/ -g$/ -g1/g'`"
+%endif
+CFLAGS="$ARCH_FLAGS"
+CXXFLAGS="$ARCH_FLAGS"
 export ARCH_FLAGS CFLAGS CXXFLAGS
 
 # Colada does not have .pc file and configure creator was really lazy
@@ -951,7 +961,9 @@ export NOCONFIGURE=yes
 %configure \
         --with-parallelism=%{jobs} \
         --enable-eot \
+%if %{with lto}
         --enable-lto \
+%endif
         --enable-mergelibs \
         --docdir=%{_docdir}/%{name} \
         --with-compat-oowrappers \