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Add -MQ

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Just like GCC's -MQ, this is basically -MT but the file name is escaped.
This commit is contained in:
ISSOtm
2019-09-10 03:29:14 +02:00
parent 1fb9f90f0f
commit f1f314270d
1 changed files with 32 additions and 3 deletions
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35
src/asm/main.c
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@@ -14,6 +14,7 @@
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include "asm/symbol.h"
#include "asm/fstack.h"
@@ -238,6 +239,27 @@ static void opt_ParseDefines(void)
sym_AddString(cldefines[i], cldefines[i + 1]);
}
/* Escapes Make-special chars from a string */
static char *make_escape(const char *str)
{
char * const escaped_str = malloc(strlen(str) * 2 + 1);
char *dest = escaped_str;
if (escaped_str == NULL)
errx(1, "%s: Failed to allocate memory: %s", __func__,
strerror(errno));
while (*str) {
/* All dollars needs to be doubled */
if (*str == '$')
*dest++ = '$';
*dest++ = *str++;
}
*dest = '\0';
return escaped_str;
}
/* Short options */
static char const *optstring = "b:D:Eg:hi:LM:o:p:r:VvW:w";
@@ -366,7 +388,7 @@ int main(int argc, char *argv[])
newopt.optimizeloads = false;
break;
case 'M':
ep = strchr("PT", optarg[0]);
ep = strchr("PQT", optarg[0]);
if (!ep || !*ep || optarg[1]) {
dependfile = fopen(optarg, "w");
if (dependfile == NULL)
@@ -377,13 +399,20 @@ int main(int argc, char *argv[])
case 'P':
oGeneratePhonyDeps = true;
break;
}
case 'Q':
if (optind == argc)
errx(1, "-MQ takes a target file name argument");
tzTargetFileName =
make_escape(argv[optind]);
optind++;
break;
case 'T':
if (optind == argc)
errx(1, "-MT takes a target file name argument");
tzTargetFileName = argv[optind];
optind++;
break;
}
}
break;
@@ -447,7 +476,7 @@ int main(int argc, char *argv[])
if (dependfile) {
if (!tzTargetFileName)
errx(1, "Dependency files can only be created if a target file is specified with either -o or -MT.\n");
errx(1, "Dependency files can only be created if a target file is specified with either -o, -MQ or -MT.\n");
fprintf(dependfile, "%s: %s\n", tzTargetFileName, tzMainfile);
}