Ld speed-up patch.

This reduces the memory requirements to build any recent big libtool
package, like kde.

Tested by miod, fries, naddy, and various.

1 files changed, 22 insertions, 4 deletions

diff --git a/gnu/usr.bin/ld/ld.c b/gnu/usr.bin/ld/ld.c
index d1bf0914d2c..319be0a3f4a 100644
--- a/gnu/usr.bin/ld/ld.c
+++ b/gnu/usr.bin/ld/ld.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ld.c,v 1.21 2002/03/31 20:48:16 fgsch Exp $	*/
+/*	$OpenBSD: ld.c,v 1.22 2002/04/17 15:33:16 espie Exp $	*/
 /*	$NetBSD: ld.c,v 1.52 1998/02/20 03:12:51 jonathan Exp $	*/
 
 /*-
@@ -1237,19 +1237,37 @@ read_entry_relocation(fd, entry)
 
 /*---------------------------------------------------------------------------*/
 
+int current_file;
+
+/* 
+ * Check whether a library name appears in the list of files
+ * still to link in: used to avoid linking dependent libraries
+ * that will be pulled in anyways.
+ */
+int 
+will_see_later(const char *name)
+{
+	int i;
+
+	for (i = current_file+1; i < number_of_files; i++)
+		if ((file_table[i].flags & E_SEARCH_DIRS) &&
+		    strcmp(name, file_table[i].filename) == 0)
+			return 1;
+	return 0;
+}
+
 /*
  * Read in the symbols of all input files.
  */
 static void
 load_symbols()
 {
-	register int i;
 
 	if (trace_files)
 		fprintf(stderr, "Loading symbols:\n\n");
 
-	for (i = 0; i < number_of_files; i++)
-		read_file_symbols(&file_table[i]);
+	for (current_file = 0; current_file < number_of_files; current_file++)
+		read_file_symbols(&file_table[current_file]);
 
 	if (trace_files)
 		fprintf(stderr, "\n");