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(include_prefix): New variable.

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(process_command): Add path/include to include_prefix when see a
-Bpath option.
(do_spec_1, case 'I'): Pass include_prefix directories to cpp with
the -isystem option.

From-SVN: r6813
This commit is contained in:
Jim Wilson 1994-03-18 12:37:22 -08:00
parent b0866c745a
commit 2d879387e2
1 changed files with 27 additions and 8 deletions
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35
gcc/gcc.c
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@ -1183,6 +1183,10 @@ static struct path_prefix exec_prefix = { 0, 0, "exec" };
static struct path_prefix startfile_prefix = { 0, 0, "startfile" };
/* List of prefixes to try when looking for include files. */
static struct path_prefix include_prefix = { 0, 0, "include" };
/* Suffix to attach to directories searched for commands.
This looks like `MACHINE/VERSION/'. */
@ -2425,6 +2429,8 @@ process_command (argc, argv)
value = p + 1;
add_prefix (&exec_prefix, value, 1, 0, temp);
add_prefix (&startfile_prefix, value, 1, 0, temp);
add_prefix (&include_prefix, concat (value, "include", ""),
1, 0, 0);
}
break;
@ -3012,14 +3018,27 @@ do_spec_1 (spec, inswitch, soft_matched_part)
break;
case 'I':
if (gcc_exec_prefix)
{
do_spec_1 ("-iprefix", 1, NULL_PTR);
/* Make this a separate argument. */
do_spec_1 (" ", 0, NULL_PTR);
do_spec_1 (gcc_exec_prefix, 1, NULL_PTR);
do_spec_1 (" ", 0, NULL_PTR);
}
{
struct prefix_list *pl = include_prefix.plist;
if (gcc_exec_prefix)
{
do_spec_1 ("-iprefix", 1, NULL_PTR);
/* Make this a separate argument. */
do_spec_1 (" ", 0, NULL_PTR);
do_spec_1 (gcc_exec_prefix, 1, NULL_PTR);
do_spec_1 (" ", 0, NULL_PTR);
}
for (; pl; pl = pl->next)
{
do_spec_1 ("-isystem", 1, NULL_PTR);
/* Make this a separate argument. */
do_spec_1 (" ", 0, NULL_PTR);
do_spec_1 (pl->prefix, 1, NULL_PTR);
do_spec_1 (" ", 0, NULL_PTR);
}
}
break;
case 'o':