Package rustc's mingw dependencies into Windows installer.

gcc, ld, ar, dlltool, windres go into $(RUST)/bin/rustlib/<triple>/bin/
platform libraries and startup objects got into $(RUST)/bin/rustlib/<triple>/lib/

mk/dist.mk

@@ -123,7 +123,7 @@ PKG_EXE = dist/$(PKG_NAME)-$(CFG_BUILD).exe
 $(PKG_EXE): rust.iss modpath.iss upgrade.iss LICENSE.txt rust-logo.ico \
             $(CSREQ3_T_$(CFG_BUILD)_H_$(CFG_BUILD)) \
             dist-prepare-win
-	$(CFG_PYTHON) $(S)src/etc/copy-runtime-deps.py tmp/dist/win/bin $(CFG_BUILD)
+	$(CFG_PYTHON) $(S)src/etc/make-win-dist.py tmp/dist/win $(CFG_BUILD)
 	@$(call E, ISCC: $@)
 	$(Q)"$(CFG_ISCC)" $<
 

src/etc/copy-runtime-deps.py

@@ -1,24 +0,0 @@
-# Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
-# file at the top-level directory of this distribution and at
-# http://rust-lang.org/COPYRIGHT.
-#
-# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-# option. This file may not be copied, modified, or distributed
-# except according to those terms.
-
-# Copies Rust runtime dependencies to the specified directory.
-
-import snapshot, sys, os, shutil
-
-def copy_runtime_deps(dest_dir, triple):
-    for path in snapshot.get_winnt_runtime_deps(snapshot.get_platform(triple)):
-        shutil.copy(path, dest_dir)
-
-    lic_dest = os.path.join(dest_dir, "third-party")
-    if os.path.exists(lic_dest):
-        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], sys.argv[2])

src/etc/make-win-dist.py

@@ -0,0 +1,82 @@
+# Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+import sys, os, shutil, subprocess
+
+def find_files(files, path):
+    found = []
+    for fname in files:
+        for dir in path:
+            filepath = os.path.normpath(os.path.join(dir, fname))
+            if os.path.isfile(filepath):
+                found.append(filepath)
+                break
+        else:
+            raise Exception("Could not find '%s' in %s" % (fname, path))
+    return found
+
+def make_win_dist(dist_root, target_triple):
+    # Ask gcc where it keeps its' stuff
+    gcc_out = subprocess.check_output(["gcc.exe", "-print-search-dirs"])
+    bin_path = os.environ["PATH"].split(os.pathsep)
+    lib_path = []
+    for line in gcc_out.splitlines():
+        key, val = line.split(':', 1)
+        if key == "programs":
+            bin_path.extend(val.lstrip(' =').split(';'))
+        elif key == "libraries":
+            lib_path.extend(val.lstrip(' =').split(';'))
+
+    target_tools = ["gcc.exe", "ld.exe", "ar.exe", "dlltool.exe", "windres.exe"]
+
+    rustc_dlls = ["libstdc++-6.dll"]
+    if target_triple.startswith("i686-"):
+        rustc_dlls.append("libgcc_s_dw2-1.dll")
+    else:
+        rustc_dlls.append("libgcc_s_seh-1.dll")
+
+    target_libs = ["crtbegin.o", "crtend.o", "crt2.o", "dllcrt2.o",
+                   "libadvapi32.a", "libcrypt32.a", "libgcc.a", "libgcc_eh.a", "libgcc_s.a",
+                   "libimagehlp.a", "libiphlpapi.a", "libkernel32.a", "libm.a", "libmingw32.a",
+                   "libmingwex.a", "libmsvcrt.a", "libpsapi.a", "libshell32.a", "libstdc++.a",
+                   "libuser32.a", "libws2_32.a", "libiconv.a", "libmoldname.a"]
+
+    # Find mingw artifacts we want to bundle
+    target_tools = find_files(target_tools, bin_path)
+    rustc_dlls = find_files(rustc_dlls, bin_path)
+    target_libs = find_files(target_libs, lib_path)
+
+    # Copy runtime dlls next to rustc.exe
+    dist_bin_dir = os.path.join(dist_root, "bin")
+    for src in rustc_dlls:
+        shutil.copy(src, dist_bin_dir)
+
+    # Copy platform tools (and another copy of runtime dlls) to platform-spcific bin directory
+    target_bin_dir = os.path.join(dist_root, "bin", "rustlib", target_triple, "bin")
+    if not os.path.exists(target_bin_dir):
+        os.makedirs(target_bin_dir)
+    for src in target_tools:
+        shutil.copy(src, target_bin_dir)
+
+    # Copy platform libs to platform-spcific lib directory
+    target_lib_dir = os.path.join(dist_root, "bin", "rustlib", target_triple, "lib")
+    if not os.path.exists(target_lib_dir):
+        os.makedirs(target_lib_dir)
+    for src in target_libs:
+        shutil.copy(src, target_lib_dir)
+
+    # Copy license files
+    lic_dir = os.path.join(dist_root, "bin", "third-party")
+    if os.path.exists(lic_dir):
+        shutil.rmtree(lic_dir) # copytree() won't overwrite existing files
+    shutil.copytree(os.path.join(os.path.dirname(__file__), "third-party"), lic_dir)
+
+if __name__=="__main__":
+    make_win_dist(sys.argv[1], sys.argv[2])

src/etc/snapshot.py

@@ -157,9 +157,9 @@ def get_winnt_runtime_deps(platform):
     path_dirs = os.environ["PATH"].split(os.pathsep)
     for name in deps:
       for dir in path_dirs:
-        matches = glob.glob(os.path.join(dir, name))
-        if matches:
-          runtime_deps.append(matches[0])
+        filepath = os.path.join(dir, name)
+        if os.path.isfile(filepath):
+          runtime_deps.append(filepath)
           break
       else:
         raise Exception("Could not find runtime dependency: %s" % name)