mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2024-12-19 19:29:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

Prepend '-m' to --hrlp output of target specific options.

Browse Source 
Ignore text after end of first word of a language specific option.

From-SVN: r23151
This commit is contained in:
Nick Clifton 1998-10-17 11:04:29 +00:00 committed by Nick Clifton
parent 13c8e8e30e
commit 1f50b02979
2 changed files with 25 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
* toplev.c (display_help): Prepend '-m' to target specific
options.
(check_lang_option): Ignore text after end of first word of a
language specific option.
Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
* reload1.c (reg_used_by_pseudo): New static variable.

32
gcc/toplev.c
View File

@ -4120,7 +4120,7 @@ display_help ()
else if (description == NULL)
undoc = 1;
else if (* description != 0)
doc += printf (" %-23.23s %s\n", option, description);
doc += printf (" -m%-21.21s %s\n", option, description);
}
#ifdef TARGET_OPTIONS
@ -4134,7 +4134,7 @@ display_help ()
else if (description == NULL)
undoc = 1;
else if (* description != 0)
doc += printf (" %-23.23s %s\n", option, description);
doc += printf (" -m%-21.21s %s\n", option, description);
}
#endif
if (undoc)
@ -4159,55 +4159,59 @@ check_lang_option (option, lang_option)
lang_independent_options * indep_options;
int len;
long k;
char * space;
/* Ignore NULL entries. */
if (option == NULL || lang_option == NULL)
return 0;
len = strlen (lang_option);
if ((space = strchr (lang_option, ' ')) != NULL)
len = space - lang_option;
else
len = strlen (lang_option);
/* If they do not match to the first n characters then fail. */
if (strncmp (option, lang_option, len) != 0)
return 0;
/* Do not accept a lang option, if it matches a normal -f or -W
option. Chill defines a -fpack, but we want to support
-fpack-struct. */
/* An exact match is OK */
if (strlen (option) == len)
return 1;
/* If it is not an -f or -W option allow the match */
if (option[0] != '-')
return 1;
switch (option[1])
{
case 'f': indep_options = f_options; break;
case 'W': indep_options = W_options; break;
default: return 1;
}
/* The option is a -f or -W option.
Skip past the prefix and search for the remainder in the
appropriate table of options. */
option += 2;
if (option[0] == 'n' && option[1] == 'o' && option[2] == '-')
option += 3;
for (k = NUM_ELEM (indep_options); k--;)
{
if (!strcmp (option, indep_options[k].string))
{
/* The option matched a language independent option,
do not allow the language specific match. */
return 0;
}
}
/* The option matches the start of the langauge specific option
and it is not an exact match for a language independent option. */
return 1;