musl's ldd - don't exit immidately even if some libraries was not found

[orc <orc@sibserver.ru>]

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Patch to make ldd not to exit immidately after unsolved dependencies.

[-- Attachment #2: musl-0.9.1-ldd-dontfail.patch --]
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diff -Naur musl-0.9.1.o/src/ldso/dynlink.c musl-0.9.1/src/ldso/dynlink.c
--- musl-0.9.1.o/src/ldso/dynlink.c	2012-06-04 04:32:05.000000000 +0800
+++ musl-0.9.1/src/ldso/dynlink.c	2012-06-20 00:32:52.332607400 +0800
@@ -430,12 +430,16 @@
 			if (p->dynv[i] != DT_NEEDED) continue;
 			dep = load_library(p->strings + p->dynv[i+1]);
 			if (!dep) {
-				snprintf(errbuf, sizeof errbuf,
-					"Error loading shared library %s: %m (needed by %s)",
-					p->strings + p->dynv[i+1], p->name);
-				if (runtime) longjmp(rtld_fail, 1);
-				dprintf(2, "%s\n", errbuf);
-				_exit(127);
+				if (!ldd_mode) {
+					snprintf(errbuf, sizeof errbuf,
+						"Error loading shared library %s: %m (needed by %s)",
+						p->strings + p->dynv[i+1], p->name);
+					if (runtime) longjmp(rtld_fail, 1);
+					dprintf(2, "%s\n", errbuf);
+					_exit(127);
+				}
+				else
+					dprintf(1, "\t%s => not found\n", p->strings + p->dynv[i+1]);
 			}
 			if (runtime) {
 				tmp = realloc(*deps, sizeof(*tmp)*(ndeps+2));