[libcxx] r290875 - Simplify CMake target for the __generated_config header

[Eric Fiselier via cfe-commits]

Author: ericwf
Date: Tue Jan  3 05:18:17 2017
New Revision: 290875

URL: http://llvm.org/viewvc/llvm-project?rev=290875&view=rev
Log:
Simplify CMake target for the __generated_config header

Modified:
    libcxx/trunk/include/CMakeLists.txt

Modified: libcxx/trunk/include/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/CMakeLists.txt?rev=290875&r1=290874&r2=290875&view=diff
==============================================================================
--- libcxx/trunk/include/CMakeLists.txt (original)
+++ libcxx/trunk/include/CMakeLists.txt Tue Jan  3 05:18:17 2017
@@ -31,11 +31,8 @@ if (LIBCXX_INSTALL_HEADERS)
     # Generate and install a custom __config header. The new header is created
     # by  prepending __config_site to the current __config header.
     add_custom_command(OUTPUT ${LIBCXX_BINARY_DIR}/__generated_config
-      COMMAND ${CMAKE_COMMAND} -E copy
-        ${LIBCXX_BINARY_DIR}/__config_site
-        ${LIBCXX_BINARY_DIR}/__generated_config
       COMMAND ${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/cat_files.py
-        ${LIBCXX_BINARY_DIR}/__generated_config
+        ${LIBCXX_BINARY_DIR}/__config_site
         ${LIBCXX_SOURCE_DIR}/include/__config
         -o ${LIBCXX_BINARY_DIR}/__generated_config
       DEPENDS ${LIBCXX_SOURCE_DIR}/include/__config