cmd/dist: update for new flag parsing on Plan 9

R=golang-dev, seed, rsc
CC=golang-dev
https://golang.org/cl/7069053

diff --git a/src/cmd/dist/build.c b/src/cmd/dist/build.c
index e91e9eaecd485447d9eb685957e026a69affb1c6..533fafb3c146a4ce6373d51b94d8e4059a6327d4 100644 (file)
--- a/src/cmd/dist/build.c
+++ b/src/cmd/dist/build.c
@@ -1053,8 +1053,12 @@ shouldbuild(char *file, char *dir)
        // The main exception is libmach which has been modified
        // in various places to support Go object files.
        if(streq(gohostos, "plan9")) {
-               if(streq(dir, "lib9") && !hassuffix(file, "lib9/goos.c"))
+               if(streq(dir, "lib9")) {
+                       name = lastelem(file);
+                       if(streq(name, "goos.c") || streq(name, "flag.c"))
+                               return 1;
                        return 0;
+               }
                if(streq(dir, "libbio"))
                        return 0;
        }