--- configure.orig	2018-04-05 20:23:26.000000000 +0900
+++ configure	2018-08-19 13:50:56.000000000 +0900
@@ -19302,7 +19302,7 @@
      ;;
 esac
          eval acx_temp="\" \$$acx_flag_var_ \""
-         eval $acx_flag_var_=\"`echo "$acx_temp" | sed -r -e 's/ -(align|allow|assume|ccdefault|check|convert|debug|debug-parameters|diag-type|diag-enable|double-size|dynamic-linker|dyncom|export-dir|extend-source|fp-model|fpscomp|gen-interfaces|heap-arrays|imacros|integer-size|iprefix|iquote|iwithprefixbefore|module|names|opt-report|opt-streaming-stores|pch-dir|pch-use|prof-dir|prof-file|real-size|reentrancy|stand|tcollect-filter|tune|warn|watch) ([^-][^ ]*) / -Xcompiler -\1 -Xcompiler \2 /g' -e 's/^ //;s/ $//'`\"
+         eval $acx_flag_var_=\"`echo "$acx_temp" | sed -E -e 's/ -(align|allow|assume|ccdefault|check|convert|debug|debug-parameters|diag-type|diag-enable|double-size|dynamic-linker|dyncom|export-dir|extend-source|fp-model|fpscomp|gen-interfaces|heap-arrays|imacros|integer-size|iprefix|iquote|iwithprefixbefore|module|names|opt-report|opt-streaming-stores|pch-dir|pch-use|prof-dir|prof-file|real-size|reentrancy|stand|tcollect-filter|tune|warn|watch) ([^-][^ ]*) / -Xcompiler -\1 -Xcompiler \2 /g' -e 's/^ //;s/ $//'`\"
 fi
 done