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-rw-r--r--gcc/file-find.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/gcc/file-find.c b/gcc/file-find.c
index 87d486d..be608b2 100644
--- a/gcc/file-find.c
+++ b/gcc/file-find.c
@@ -105,15 +105,16 @@ find_a_file (struct path_prefix *pprefix, const char *name, int mode)
return 0;
}
-/* Add an entry for PREFIX to prefix list PPREFIX. */
+/* Add an entry for PREFIX to prefix list PREFIX.
+ Add at beginning if FIRST is true. */
void
-add_prefix (struct path_prefix *pprefix, const char *prefix)
+do_add_prefix (struct path_prefix *pprefix, const char *prefix, bool first)
{
struct prefix_list *pl, **prev;
int len;
- if (pprefix->plist)
+ if (pprefix->plist && !first)
{
for (pl = pprefix->plist; pl->next; pl = pl->next)
;
@@ -138,6 +139,22 @@ add_prefix (struct path_prefix *pprefix, const char *prefix)
*prev = pl;
}
+/* Add an entry for PREFIX at the end of prefix list PREFIX. */
+
+void
+add_prefix (struct path_prefix *pprefix, const char *prefix)
+{
+ do_add_prefix (pprefix, prefix, false);
+}
+
+/* Add an entry for PREFIX at the begin of prefix list PREFIX. */
+
+void
+add_prefix_begin (struct path_prefix *pprefix, const char *prefix)
+{
+ do_add_prefix (pprefix, prefix, true);
+}
+
/* Take the value of the environment variable ENV, break it into a path, and
add of the entries to PPREFIX. */