Re: Update documentation for AC_FC_LINE_LENGTH compiler switches.

[Ralf Wildenhues]

* Ralf Wildenhues wrote on Sun, Feb 27, 2011 at 05:27:42PM CET:
> I'll push this along the other commits once approved.
> (Rebasing and reordering the patches is a bit awkward,
> as the patches introducing new macros all append to the
> same file.)

Never mind, I meant to merge another bit in this patch:


    Update AC_FC_LINE_LENGTH compiler switches.
    
    * lib/autoconf/fortran.m4 (AC_FC_LINE_LENGTH): Document NAGware
    switch.  Update Absoft switches.

diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 416cf56..104ebe7 100644
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -1303,11 +1303,12 @@ AC_LANG_POP([Fortran])dnl
 #                          accepts that as well with an optional parameter and
 #                          doesn't fail but only warns about unknown arguments.
 #          -extend_source: SGI compiler
-#     -W NN (132, 80, 72): Absoft Fortran
+#  -W, -WNN (132, 80, 72): Absoft Fortran
 #          +extend_source: HP Fortran (254 in either form, default is 72 fixed,
 #                         132 free)
 #                   -wide: Lahey/Fujitsu Fortran (255 cols in fixed form)
 #                      -e: Sun Fortran compiler (132 characters)
+#                    -132: NAGWare
 AC_DEFUN_ONCE([AC_FC_LINE_LENGTH],
 [AC_LANG_PUSH([Fortran])dnl
 m4_case(m4_default([$1], [132]),
@@ -1336,7 +1337,7 @@ for ac_flag in none \
               -ffixed-line-length-$ac_fc_line_len \
               -qfixed=$ac_fc_line_len -Mextend \
               -$ac_fc_line_len -extend_source \
-              "-W $ac_fc_line_len" +extend_source -wide -e
+              -W$ac_fc_line_len -W +extend_source -wide -e
 do
   test "x$ac_flag" != xnone && FCFLAGS="$ac_fc_line_length_FCFLAGS_save 
$ac_flag"
   AC_COMPILE_IFELSE([[$ac_fc_line_length_test