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/* Routine to figure out what is running, whether distcc will parallelise. */
#include "ccontrol.h"
#include "stdrusty.h"
#include "extensions.c"
#include <stdlib.h>
static bool is_source(const char *sfile)
{
const char *dot;
dot = strrchr(sfile, '.');
if (!dot)
return false;
return find_extension(dot+1, strlen(dot+1)) != NULL;
}
/* Tries to guess whether distcc will be able to distribute it. */
bool can_distcc(char **argv)
{
unsigned int i;
char *a, *input_file = NULL, *output_file = NULL;
bool seen_opt_s = false, seen_opt_c = false;
/* Stolen from distcc's dcc_scan_args,
Copyright (C) 2002, 2003, 2004 by Martin Pool <mbp@samba.org> */
for (i = 1; (a = argv[i]); i++) {
if (a[0] != '-') {
if (is_source(a)) {
if (input_file)
return false;
input_file = a;
} else if (strends(a, ".o")) {
got_output:
if (output_file)
return false;
output_file = a;
}
} else {
if (streq(a, "-E")) {
return false;
} else if (streq(a, "-MD") || streq(a, "-MMD")
|| streq(a, "-MG") || streq(a, "-MP")) {
;
} else if (streq(a, "-MF") || streq(a, "-MT")
|| streq(a,"-MQ")) {
i++;
} else if (a[1] == 'M') {
return false;
} else if (strstr(a, "-Wa,")) {
if (strstr(a, ",-a") || strstr(a, "--MD"))
return false;
} else if (strstarts(a, "-specs=")) {
return false;
} else if (streq(a, "-S")) {
seen_opt_s = true;
} else if (streq(a, "-fprofile-arcs")
|| streq(a, "-ftest-coverage")
|| streq(a, "-frepo")) {
return false;
} else if (strstarts(a, "-x")) {
return false;
} else if (streq(a, "-c")) {
seen_opt_c = true;
} else if (streq(a, "-o")) {
a = argv[++i];
goto got_output;
} else if (strstarts(a, "-o")) {
a += 2; /* skip "-o" */
goto got_output;
}
}
}
if (!seen_opt_c && !seen_opt_s)
return false;
if (!input_file)
return false;
return true;
}
/* What am I? */
enum type what_am_i(char *argv[])
{
const char *basename = strrchr(argv[0], '/');
if (!basename)
basename = argv[0];
if (strstr(basename, "cc"))
return TYPE_CC;
else if (strstr(basename, "++"))
return TYPE_CPLUSPLUS;
else if (strstr(basename, "ld"))
return TYPE_LD;
else if (strstr(basename, "make"))
return TYPE_MAKE;
else
fatal("unknown type of binary ", 0, argv[0], NULL);
}
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