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tcc.c: fix an error when you build an object file with '-pthread' key set

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The problem was partially fixed by Henry in the following patch:

    tcc.c: skip -lpthread when -c option specified

But that patch had one brawback: it is sensitive to argument order,
as decision is taken during commandline parsing:

    $ tcc -c a.c -o a.o -pthread # 1. works fine
    tcc: error: file 'a.c' not found

    $ tcc -pthread -c a.c -o a.o # 2. blows
    tcc: error: cannot specify libraries with -c

This patch fixes case 2.

Signed-off-by: Sergei Trofimovich <st@anti-virus.by>
This commit is contained in:
Sergei Trofimovich 2011-01-04 11:17:52 +02:00
parent d97a25fbdd
commit 0a50e6c933
1 changed files with 11 additions and 5 deletions
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16
tcc.c
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@ -294,6 +294,9 @@ static int parse_args(TCCState *s, int argc, char **argv)
const TCCOption *popt;
const char *optarg, *p1, *r1;
char *r;
int was_pthread;
was_pthread = 0; /* is set if commandline contains -pthread key */
optind = 0;
while (optind < argc) {
@ -375,11 +378,7 @@ static int parse_args(TCCState *s, int argc, char **argv)
nb_libraries++;
break;
case TCC_OPTION_pthread:
/* fixme: these options could be different on your platform */
if(output_type != TCC_OUTPUT_OBJ){
dynarray_add((void ***)&files, &nb_files, "-lpthread");
nb_libraries++;
}
was_pthread = 1;
tcc_define_symbol(s, "_REENTRANT", "1");
break;
case TCC_OPTION_bench:
@ -494,6 +493,13 @@ static int parse_args(TCCState *s, int argc, char **argv)
}
}
}
/* fixme: these options could be different on your platform */
if (was_pthread
&& output_type != TCC_OUTPUT_OBJ)
{
dynarray_add((void ***)&files, &nb_files, "-lpthread");
nb_libraries++;
}
return optind + 1;
}