workcache: Don't assume gcc exists on all platforms

FreeBSD has recently moved to clang by default, and no longer ship gcc. Instead
use "cc" on unix platforms (the default compiler) and "gcc" on windows.

diff --git a/src/libworkcache/lib.rs b/src/libworkcache/lib.rs
index 623488ac6129d148e9509dc2925b8af998881e20..7dd2d945c26c736d2ca06fd349b2b33ee927ccdf 100644 (file)
--- a/src/libworkcache/lib.rs
+++ b/src/libworkcache/lib.rs
@@ -512,8 +512,9 @@ fn make_path(filename: ~str) -> Path {
         prep.declare_input("file", pth.as_str().unwrap(), file_content);
         prep.exec(proc(_exe) {
             let out = make_path(~"foo.o");
+            let compiler = if cfg!(windows) {"gcc"} else {"cc"};
             // FIXME (#9639): This needs to handle non-utf8 paths
-            Process::status("gcc", [pth.as_str().unwrap().to_owned(),
+            Process::status(compiler, [pth.as_str().unwrap().to_owned(),
                                     ~"-o",
                                     out.as_str().unwrap().to_owned()]).unwrap();