*** fortran.m4	2010-12-01 14:51:32.000000000 +0100
--- fortran.m4	2010-12-01 14:40:29.000000000 +0100
*************** case $ac_[]_AC_LANG_ABBREV[]_v_output in
*** 541,546 ****
--- 541,550 ----
  	s/-ignore  *'[[^']]*'/ /g; s/-ignore  *\"[[^\"]]*\"/ /g
  	s/-def  *'[[^']]*'/ /g; s/-def  *\"[[^\"]]*\"/ /g"` ;;
  
+   # If we are using fort77 (the f2c wrapper) then filter output and delete quotes.
+   *fort77*gcc*)
+     ac_[]_AC_LANG_ABBREV[]_v_output=`echo "$ac_[]_AC_LANG_ABBREV[]_v_output" | grep '"gcc"' | sed '/"-c"/d; s/^.*"gcc"/"gcc"/; s/"//g' ;;
+ 
    # If we are using Cray Fortran then delete quotes.
    *cft90*)
      ac_[]_AC_LANG_ABBREV[]_v_output=`echo $ac_[]_AC_LANG_ABBREV[]_v_output | sed 's/"//g'` ;;