return deps;
}
-/* Can return NULL: _info may not support 'libs'. */
+/* Can return NULL: _info may not support prop. */
static char **get_one_prop(const void *ctx, const char *dir, const char *prop,
char *(*get_info)(const void *ctx, const char *dir))
{
return flags;
}
+static char *get_one_ported(const void *ctx, const char *dir,
+ char *(*get_info)(const void *ctx, const char *dir))
+{
+ char **ported = get_one_prop(ctx, dir, "ported", get_info);
+
+ /* No news is good news. */
+ if (!ported || tal_count(ported) == 0)
+ return NULL;
+
+ if (tal_count(ported) != 1)
+ errx(1, "%s/_info ported gave %zu lines, not one",
+ dir, tal_count(ported));
+
+ if (streq(ported[0], ""))
+ return NULL;
+ else
+ return ported[0];
+}
+
+char *get_ported(const void *ctx, const char *dir, bool recurse,
+ char *(*get_info)(const void *ctx, const char *dir))
+{
+ char *msg;
+
+ msg = get_one_ported(ctx, dir, get_info);
+ if (msg)
+ return msg;
+
+ if (recurse) {
+ size_t i;
+ char **deps = get_deps(ctx, dir, "depends", true, get_info);
+ for (i = 0; deps[i]; i++) {
+ char *subdir;
+ if (!strstarts(deps[i], "ccan/"))
+ continue;
+
+ subdir = path_join(ctx, find_ccan_dir(dir), deps[i]);
+ msg = get_one_ported(ctx, subdir, get_info);
+ if (msg)
+ return msg;
+ }
+ }
+ return NULL;
+}
+
char **get_libs(const void *ctx, const char *dir, const char *style,
char *(*get_info)(const void *ctx, const char *dir))
{