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Make sure to escape paths in generated make dependencies

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If spaces are not escaped when generating the make dependencies file,
then if one of the dependencies has a space it would be interpreted as
two separate targets by Make, instead of just one.
This commit is contained in:
Riccardo Schirone
2021-01-30 00:50:55 +01:00
parent 2ac8568503
commit ad16628c9e
1 changed files with 17 additions and 2 deletions
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19
tcctools.c
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@@ -515,10 +515,23 @@ int _dowildcard = 1;
/* -------------------------------------------------------------- */ /* -------------------------------------------------------------- */
/* generate xxx.d file */ /* generate xxx.d file */
static char *escape_target_dep(const char *s) {
char *res = tcc_malloc(strlen(s) * 2 + 1);
int j;
for (j = 0; *s; s++, j++) {
if (is_space(*s)) {
res[j++] = '\\';
}
res[j] = *s;
}
res[j] = '\0';
return res;
}
ST_FUNC void gen_makedeps(TCCState *s1, const char *target, const char *filename) ST_FUNC void gen_makedeps(TCCState *s1, const char *target, const char *filename)
{ {
FILE *depout; FILE *depout;
char buf[1024]; char buf[1024], *escaped_target;
int i, k; int i, k;
if (!filename) { if (!filename) {
@@ -540,7 +553,9 @@ ST_FUNC void gen_makedeps(TCCState *s1, const char *target, const char *filename
for (k = 0; k < i; ++k) for (k = 0; k < i; ++k)
if (0 == strcmp(s1->target_deps[i], s1->target_deps[k])) if (0 == strcmp(s1->target_deps[i], s1->target_deps[k]))
goto next; goto next;
fprintf(depout, " \\\n %s", s1->target_deps[i]); escaped_target = escape_target_dep(s1->target_deps[i]);
fprintf(depout, " \\\n %s", escaped_target);
tcc_free(escaped_target);
next:; next:;
} }
fprintf(depout, "\n"); fprintf(depout, "\n");