diff --git a/ChangeLog b/ChangeLog
index 62358ea..408a910 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-12-07  Giulio Paci  <address@hidden>
+
+	* lib/autoconf/fortran.m4 (_AC_PROG_FC_V_OUTPUT): Properly detect
+	the fort77 (f2c wrapper) compiler verbose linking output flag.
+	Fixes also AC_F77_LIBRARY_LDFLAGS and AC_F77_DUMMY_MAIN
+
+
 2010-11-20  Paul Eggert  <address@hidden>
 
 	autoconf: don't assume sys/stat.h and sys/types.h when testing C89
diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 82a7a5d..d9979ea 100644
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -541,6 +541,10 @@ case $ac_[]_AC_LANG_ABBREV[]_v_output in
 	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*f2c*gcc*)
+    ac_[]_AC_LANG_ABBREV[]_v_output=`echo "$ac_[]_AC_LANG_ABBREV[]_v_output" | sed -n '/:[[[:space:]]]\+Running[[[:space:]]]\+"gcc"/{ /"-c"/d ; /[[.]]c"\?/d ; s/^.*"gcc"/"gcc"/ ; s/"//gp }'` ;;
+
   # 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'` ;;