From d5889d8c7fcd97994cf38bb7469a703fe3db3672 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 17 Nov 2011 01:19:53 +0000
Subject: [PATCH] llvm-build: Attempt to work around a CMake Makefile generator
 bug that doesn't properly quote strings when writing the
 CMakeFiles/Makefile.cmake output file (which lists the dependencies). This
 shows up when using CMake + MSYS Makefile generator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144873 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/llvm-build/llvmbuild/main.py | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/utils/llvm-build/llvmbuild/main.py b/utils/llvm-build/llvmbuild/main.py
index fa76aa5d8ed..21cf3928829 100644
--- a/utils/llvm-build/llvmbuild/main.py
+++ b/utils/llvm-build/llvmbuild/main.py
@@ -21,6 +21,21 @@ def cmake_quote_string(value):
 
     return value
 
+def cmake_quote_path(value):
+    """
+    cmake_quote_path(value) -> str
+
+    Return a quoted form of the given value that is suitable for use in CMake
+    language files.
+    """
+
+    # CMake has a bug in it's Makefile generator that doesn't properly quote
+    # strings it generates. So instead of using proper quoting, we just use "/"
+    # style paths.  Currently, we only handle escaping backslashes.
+    value = value.replace("\\", "/")
+
+    return value
+
 def mk_quote_string_for_target(value):
     """
     mk_quote_string_for_target(target_name) -> str
@@ -430,7 +445,7 @@ class LLVMProjectInfo(object):
             print >>f, """\
 configure_file(\"%s\"
                ${CMAKE_CURRENT_BINARY_DIR}/DummyConfigureOutput)""" % (
-                cmake_quote_string(dep),)
+                cmake_quote_path(dep),)
 
         f.close()