[PATCH] [CMake] Fix MinGW cross-compilation

[Akihiko Odaki via llvm-commits]

WIN32 variable is not set when cross-compiling. This changes to check also
MINGW variable, which is set also in such cases.
---
  cmake/modules/HandleLLVMOptions.cmake | 6 +++++-
  lib/Transforms/Hello/CMakeLists.txt   | 2 +-
  2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cmake/modules/HandleLLVMOptions.cmake 
b/cmake/modules/HandleLLVMOptions.cmake
index 0268548..e0bd5e9 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -75,7 +75,11 @@ if(WIN32)
      set(LLVM_ON_WIN32 1)
      set(LLVM_ON_UNIX 0)
    endif(CYGWIN)
-else(WIN32)
+elseif(MINGW)
+  set(LLVM_HAVE_LINK_VERSION_SCRIPT 0)
+  set(LLVM_ON_WIN32 1)
+  set(LLVM_ON_UNIX 0)
+else()
    if(UNIX)
      set(LLVM_ON_WIN32 0)
      set(LLVM_ON_UNIX 1)
diff --git a/lib/Transforms/Hello/CMakeLists.txt 
b/lib/Transforms/Hello/CMakeLists.txt
index 4a55dd9..5774d55 100644
--- a/lib/Transforms/Hello/CMakeLists.txt
+++ b/lib/Transforms/Hello/CMakeLists.txt
@@ -6,7 +6,7 @@ if( NOT LLVM_REQUIRES_RTTI )
    endif()
  endif()
  -if(WIN32 OR CYGWIN)
+if(WIN32 OR CYGWIN OR MINGW)
    set(LLVM_LINK_COMPONENTS Core Support)
  endif()
  -- 2.9.3