--- gcc.spec	2016-11-03 21:49:03.000000000 +0900
+++ gcc.spec	2017-02-11 11:18:28.000000000 +0900
@@ -47,7 +47,7 @@
 %global build_libitm 0
 %endif
 %global build_cloog 1
-%global build_libstdcxx_docs 1
+%global build_libstdcxx_docs 0
 %ifarch %{ix86} x86_64 ppc ppc64 ppc64le ppc64p7 s390 s390x %{arm} aarch64
 %global attr_ifunc 1
 %else
@@ -1172,6 +1172,9 @@
 %ifarch %{ix86}
 OPT_FLAGS=`echo $OPT_FLAGS|sed -e 's/-march=i.86//g'`
 %endif
+%ifarch i586
+OPT_FLAGS="$OPT_FLAGS -march=i586 -m32"
+%endif
 %ifarch sparc64
 cat > gcc64 <<"EOF"
 #!/bin/sh