liblink: don't search for an import file with an absolute path

This restores the old behaviour, and makes it possible to
continue to use 6g and 6l directly, rather than the go tool,
with dot imports.

R=rsc
CC=golang-dev
https://golang.org/cl/43710043

diff --git a/src/liblink/ld.c b/src/liblink/ld.c
index 1d06f809a4fb559e469623904f7c632c4668421f..9ea0e9a732267f9397ead22e1142640973f06149 100644 (file)
--- a/src/liblink/ld.c
+++ b/src/liblink/ld.c
@@ -61,11 +61,15 @@ addlib(Link *ctxt, char *src, char *obj, char *pathname)
        if(p != nil)
                *p = '.';
 
-       // try dot, -L "libdir", and then goroot.
-       for(i=0; i<ctxt->nlibdir; i++) {
-               snprint(pname, sizeof pname, "%s/%s", ctxt->libdir[i], name);
-               if(access(pname, AEXIST) >= 0)
-                       break;
+       if((!ctxt->windows && name[0] == '/') || (ctxt->windows && name[1] == ':'))
+               snprint(pname, sizeof pname, "%s", name);
+       else {
+               // try dot, -L "libdir", and then goroot.
+               for(i=0; i<ctxt->nlibdir; i++) {
+                       snprint(pname, sizeof pname, "%s/%s", ctxt->libdir[i], name);
+                       if(access(pname, AEXIST) >= 0)
+                               break;
+               }
        }
        cleanname(pname);