generalize AIX cabs fix regex

[Bruce Korb]

David Edelsohn wrote:
> 
>         The formatting of the AIX math.h file has changed slightly.  This
> patch generalizes the regex slightly so that it finds the new variant.

It finds the file with the new variant, but it will not apply because
the second fix arg still uses the old syntax.  Try my variation below.
If *it* works, then apply that.

> Thanks, David

Thank you.  :-)

> Index: inclhack.def
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/fixinc/inclhack.def,v
> retrieving revision 1.90
> diff -c -p -r1.90 inclhack.def
> *** inclhack.def        2000/08/23 14:08:57     1.90
> --- inclhack.def        2000/09/29 01:07:41
> *************** fix = {
> *** 883,898 ****
>   fix = {
>       hackname = broken_cabs;
>       files  = "math.h";
> !     select = '^extern double cabs';
> 
>       c_fix     = format;
>       c_fix_arg = "";
>       c_fix_arg = "^extern double cabs\\((struct dbl_hypot|)\\);";
> 
>       test_text = "#ifdef __STDC__\n"
> !                 "extern double cabs(struct dbl_hypot);\n"
>                   "#else\n"
> !                 "extern double cabs();\n"
>                   "#endif\n"
>                   "extern double cabs(); /* This is a comment\n"
>                   "                         and it ends here. */";
> --- 883,898 ----
#   fix = {
#       hackname = broken_cabs;
#       files  = "math.h";
# !     select = '^extern[ \t]*double[ \t]*cabs';
# 
#       c_fix     = format;
#       c_fix_arg = "";
#       c_fix_arg = "^extern double cabs\\((struct dbl_hypot|)\\);";
# 
#       test_text = "#ifdef __STDC__\n"
# !                 "extern     double   cabs(struct dbl_hypot);\n"
#                   "#else\n"
# !                 "extern     double   cabs();\n"
#                   "#endif\n"
#                   "extern double cabs(); /* This is a comment\n"
#                   "                         and it ends here. */";

===========================

>   fix = {
>       hackname = broken_cabs;
>       files  = "math.h";
> !     select = '^extern[ \t]+double[ \t]+cabs';
> 
>       c_fix     = format;
>       c_fix_arg = "";
>       c_fix_arg = "^extern[ \t]+double[ \t]+cabs\\((struct dbl_hypot|)\\);";
> 
>       test_text = "#ifdef __STDC__\n"
> !                 "extern     double   cabs(struct dbl_hypot);\n"
>                   "#else\n"
> !                 "extern     double   cabs();\n"
>                   "#endif\n"
>                   "extern double cabs(); /* This is a comment\n"
>                   "                         and it ends here. */";