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(input_from_pipe): New variable.

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(do_spec): Set/clear input_from_pipe as appropriate.  Translate %|
to "-" if input_from_pipe is true.

From-SVN: r3018
This commit is contained in:
Jim Wilson 1992-12-31 13:05:40 -08:00
parent cf8a904b92
commit a99bf70c25
1 changed files with 12 additions and 0 deletions
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12
gcc/gcc.c
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@ -251,6 +251,7 @@ or with constant text in a single argument.
%C process CPP_SPEC as a spec. A capital C is actually used here.
%1 process CC1_SPEC as a spec.
%2 process CC1PLUS_SPEC as a spec.
%| output "-" if the input for the current command is coming from a pipe.
%* substitute the variable part of a matched option. (See below.)
Note that each comma in the substituted string is replaced by
a single space.
@ -2306,6 +2307,9 @@ static int this_is_output_file;
search dirs for it. */
static int this_is_library_file;
/* Nonzero means that the input of this command is coming from a pipe. */
static int input_from_pipe;
/* Process the spec SPEC and run the commands specified therein.
Returns 0 if the spec is successfully processed; -1 if failed. */
@ -2320,6 +2324,7 @@ do_spec (spec)
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
input_from_pipe = 0;
value = do_spec_1 (spec, 0, NULL_PTR);
@ -2392,6 +2397,7 @@ do_spec_1 (spec, inswitch, soft_matched_part)
Otherwise, execute now and don't pass the `|' as an arg. */
if (i < n_switches)
{
input_from_pipe = 1;
switches[i].valid = 1;
break;
}
@ -2411,6 +2417,7 @@ do_spec_1 (spec, inswitch, soft_matched_part)
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
input_from_pipe = 0;
break;
case '|':
@ -2984,6 +2991,11 @@ do_spec_1 (spec, inswitch, soft_matched_part)
}
break;
case '|':
if (input_from_pipe)
do_spec_1 ("-", 0, NULL_PTR);
break;
default:
abort ();
}