[llvm] r241402 - [CMake] add_llvm_symbol_exports: Use Python oneliner instead of "cmd.exe /c type" to generate *.def.

[NAKAMURA Takumi]

Author: chapuni
Date: Sun Jul  5 03:56:38 2015
New Revision: 241402

URL: http://llvm.org/viewvc/llvm-project?rev=241402&view=rev
Log:
[CMake] add_llvm_symbol_exports: Use Python oneliner instead of "cmd.exe /c type" to generate *.def.

Modified:
    llvm/trunk/cmake/modules/AddLLVM.cmake

Modified: llvm/trunk/cmake/modules/AddLLVM.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/AddLLVM.cmake?rev=241402&r1=241401&r2=241402&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/AddLLVM.cmake (original)
+++ llvm/trunk/cmake/modules/AddLLVM.cmake Sun Jul  5 03:56:38 2015
@@ -93,20 +93,9 @@ function(add_llvm_symbol_exports target_
   else()
     set(native_export_file "${target_name}.def")
 
-    set(CAT "cat")
-    set(export_file_nativeslashes ${export_file})
-    if(WIN32 AND NOT CYGWIN AND NOT MSYS)
-      set(CAT "type")
-      # Convert ${export_file} to native format (backslashes) for "type"
-      # Does not use file(TO_NATIVE_PATH) as it doesn't create a native
-      # path but a build-system specific format (see CMake bug
-      # http://public.kitware.com/Bug/print_bug_page.php?bug_id=5939 )
-      string(REPLACE / \\ export_file_nativeslashes ${export_file})
-    endif()
-
     add_custom_command(OUTPUT ${native_export_file}
-      COMMAND ${CMAKE_COMMAND} -E echo "EXPORTS" > ${native_export_file}
-      COMMAND ${CAT} ${export_file_nativeslashes} >> ${native_export_file}
+      COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
+        < ${export_file} > ${native_export_file}
       DEPENDS ${export_file}
       VERBATIM
       COMMENT "Creating export file for ${target_name}")