build: Build libraries in the bin directory on win32

Makefile.in

@@ -262,6 +262,7 @@ export CFG_HOST_TRIPLE
 export CFG_LLVM_ROOT
 export CFG_ENABLE_MINGW_CROSS
 export CFG_PREFIX
+export CFG_LIBDIR
 
 ######################################################################
 # Subprograms
@@ -279,12 +280,22 @@ define SREQ
 # Destinations of artifacts for the host compiler
 HROOT$(1)_H_$(3) = $(3)/stage$(1)
 HBIN$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/bin
+# FIXME: Temporary hack for moving win32 libs to the bin directory
+ifeq ($(1),0)
 HLIB$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/lib
+else
+HLIB$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(CFG_LIBDIR)
+endif
 
 # Destinations of artifacts for target architectures
 TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustc/$(2)
 TBIN$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/bin
+# FIXME: Temporary hack for moving win32 libs to the bin directory
+ifeq ($(1),0)
 TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/lib
+else
+TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/$$(CFG_LIBDIR)
+endif
 
 # The name of the core and standard libraries used by rustc
 ifdef CFG_DISABLE_SHAREDSTD

configure

@@ -397,6 +397,14 @@ do
   done
 done
 
+# On windows we just store the libraries in the bin directory because
+# there's no rpath
+CFG_LIBDIR=lib
+if [ "$CFG_OSTYPE" = "pc-mingw32" ]
+then
+    CFG_LIBDIR=bin
+fi
+
 for h in $CFG_TARGET_TRIPLES
 do
     for t in $CFG_TARGET_TRIPLES
@@ -407,13 +415,13 @@ do
             make_dir $h/stage$i/bin
 
             # host lib dir
-            make_dir $h/stage$i/lib
+            make_dir $h/stage$i/$CFG_LIBDIR
 
             # target bin dir
-            make_dir $h/stage$i/lib/rustc/$t/bin
+            make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
 
             # target lib dir
-            make_dir $h/stage$i/lib/rustc/$t/lib
+            make_dir $h/stage$i/lib/$CFG_LIBDIR/$t/$CFG_LIBDIR
         done
     done
 
@@ -582,6 +590,7 @@ putvar CFG_HOST_TRIPLE
 putvar CFG_TARGET_TRIPLES
 putvar CFG_C_COMPILER
 putvar CFG_PREFIX
+putvar CFG_LIBDIR
 
 # Setting this again because it may have been changed
 if [ $CFG_DISABLE_MANAGE_SUBMODULES ]

mk/platform.mk

@@ -108,14 +108,14 @@ endif
 
 CFG_TESTLIB=$(CFG_BUILD_DIR)/$(2)/$(strip \
  $(if $(findstring stage0,$(1)), \
-       stage0/lib, \
+       stage0/$(CFG_LIBDIR), \
       $(if $(findstring stage1,$(1)), \
-           stage1/lib, \
+           stage1/$(CFG_LIBDIR), \
           $(if $(findstring stage2,$(1)), \
-               stage2/lib, \
+               stage2/$(CFG_LIBDIR), \
                $(if $(findstring stage3,$(1)), \
-                    stage3/lib, \
-               )))))/rustc/$(CFG_HOST_TRIPLE)/lib
+                    stage3/$(CFG_LIBDIR), \
+               )))))/rustc/$(CFG_HOST_TRIPLE)/$(CFG_LIBDIR)
 
 ifdef CFG_UNIXY
   CFG_INFO := $(info cfg: unix-y environment)

src/comp/back/rpath.rs

@@ -191,7 +191,6 @@ fn minimize_rpaths(rpaths: [str]) -> [str] {
 #[cfg(target_os = "linux")]
 #[cfg(target_os = "macos")]
 #[cfg(target_os = "freebsd")]
-#[cfg(test)]
 mod test {
     #[test]
     fn test_rpaths_to_flags() {

src/comp/util/filesearch.rs

@@ -16,6 +16,7 @@
 export search;
 export relative_target_lib_path;
 export get_cargo_root;
+export libdir;
 
 type pick<T> = block(path: fs::path) -> option::t<T>;
 
@@ -80,7 +81,7 @@ fn search<T: copy>(filesearch: filesearch, pick: pick<T>) -> option::t<T> {
 }
 
 fn relative_target_lib_path(target_triple: str) -> [fs::path] {
-    ["lib", "rustc", target_triple, "lib"]
+    [libdir(), "rustc", target_triple, libdir()]
 }
 
 fn make_target_lib_path(sysroot: fs::path,
@@ -121,6 +122,16 @@ fn get_cargo_root() -> result::t<fs::path, str> {
 
 fn get_cargo_lib_path() -> result::t<fs::path, str> {
     result::chain(get_cargo_root()) { |p|
-        result::ok(fs::connect(p, "lib"))
+        result::ok(fs::connect(p, libdir()))
     }
-}
+}
+
+// The name of the directory rustc expects libraries to be located.
+// On Unix should be "lib", on windows "bin"
+fn libdir() -> str {
+   let libdir = #env("CFG_LIBDIR");
+   if str::is_empty(libdir) {
+      fail "rustc compiled without CFG_LIBDIR environment variable";
+   }
+   libdir
+}