Package system runtime dependencies into Windows distribution.

mk/dist.mk

@@ -60,6 +60,7 @@ LICENSE.txt: $(S)COPYRIGHT $(S)LICENSE-APACHE $(S)LICENSE-MIT
 
 $(PKG_EXE): rust.iss modpath.iss LICENSE.txt rust-logo.ico \
             $(PKG_FILES) $(CSREQ3_T_$(CFG_BUILD_TRIPLE)_H_$(CFG_BUILD_TRIPLE))
+	$(CFG_PYTHON) $(S)src/etc/copy-runtime-deps.py i686-pc-mingw32/stage3/bin
 	@$(call E, ISCC: $@)
 	$(Q)"$(CFG_ISCC)" $<
 endif

src/etc/copy-runtime-deps.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+# xfail-license
+
+# Copies Rust runtime dependencies to the specified directory
+
+import snapshot, sys, os, shutil
+
+def copy_runtime_deps(dest_dir):
+    for path in snapshot.get_winnt_runtime_deps():
+        shutil.copy(path, dest_dir)
+
+    lic_dest = os.path.join(dest_dir, "third-party")
+    shutil.rmtree(lic_dest) # copytree() won't overwrite existing files
+    shutil.copytree(os.path.join(os.path.dirname(__file__), "third-party"), lic_dest)
+
+copy_runtime_deps(sys.argv[1])

src/etc/pkg/rust.iss

@@ -19,7 +19,7 @@ DisableStartupPrompt=true
 
 OutputDir=.\
 SourceDir=.\
-OutputBaseFilename=rust-{#CFG_VERSION}-install
+OutputBaseFilename=rust-{#CFG_VERSION_WIN}-install
 DefaultDirName={pf32}\Rust
 
 Compression=lzma2/ultra