[llvm] r191785 - Reverts commit r190808 and r190556.

[Rafael Espindola]

Author: rafael
Date: Tue Oct  1 12:40:47 2013
New Revision: 191785

URL: http://llvm.org/viewvc/llvm-project?rev=191785&view=rev
Log:
Reverts commit r190808 and r190556.

The use of these features in clang has been reverted.

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

Modified: llvm/trunk/cmake/modules/GetSVN.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/GetSVN.cmake?rev=191785&r1=191784&r2=191785&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/GetSVN.cmake (original)
+++ llvm/trunk/cmake/modules/GetSVN.cmake Tue Oct  1 12:40:47 2013
@@ -2,44 +2,24 @@
 #
 # Input variables:
 #   FIRST_SOURCE_DIR  - First source directory
-#   FIRST_NAME        - The macro prefix for the first repository's info
-#   SECOND_SOURCE_DIR - Second source directory (opt)
-#   SECOND_NAME       - The macro prefix for the second repository's info (opt)
+#   FIRST_REPOSITORY  - The macro to define to the first revision number.
+#   SECOND_SOURCE_DIR - Second source directory
+#   SECOND_REPOSITORY - The macro to define to the second revision number.
 #   HEADER_FILE       - The header file to write
-#
-# The output header will contain macros FIRST_REPOSITORY and FIRST_REVISION,
-# and SECOND_REPOSITORY and SECOND_REVISION if requested, where "FIRST" and
-# "SECOND" are substituted with the names specified in the input variables.
-
-# Chop off cmake/modules/GetSVN.cmake 
-get_filename_component(LLVM_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH)
-get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
-get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
-
-# Handle strange terminals
-set(ENV{TERM} "dumb")
-
-function(append_info name path)
-  execute_process(COMMAND "${LLVM_DIR}/utils/GetSourceVersion" "${path}"
-    OUTPUT_VARIABLE revision)
-  string(STRIP "${revision}" revision)
-  execute_process(COMMAND "${LLVM_DIR}/utils/GetRepositoryPath" "${path}"
-    OUTPUT_VARIABLE repository
-    OUTPUT_STRIP_TRAILING_WHITESPACE)
-  string(STRIP "${repository}" repository)
-  file(APPEND "${HEADER_FILE}.txt"
-    "#define ${name}_REVISION \"${revision}\"\n")
-  file(APPEND "${HEADER_FILE}.txt"
-    "#define ${name}_REPOSITORY \"${repository}\"\n")
-endfunction()
-
-append_info(${FIRST_NAME} "${FIRST_SOURCE_DIR}")
-if(DEFINED SECOND_SOURCE_DIR)
-  append_info(${SECOND_NAME} "${SECOND_SOURCE_DIR}")
+include(FindSubversion)
+if (Subversion_FOUND AND EXISTS "${FIRST_SOURCE_DIR}/.svn")
+  # Repository information for the first repository.
+  Subversion_WC_INFO(${FIRST_SOURCE_DIR} MY)
+  file(WRITE ${HEADER_FILE}.txt "#define ${FIRST_REPOSITORY} \"${MY_WC_REVISION}\"\n")
+
+  # Repository information for the second repository.
+  if (EXISTS "${SECOND_SOURCE_DIR}/.svn")
+    Subversion_WC_INFO(${SECOND_SOURCE_DIR} MY)
+    file(APPEND ${HEADER_FILE}.txt 
+      "#define ${SECOND_REPOSITORY} \"${MY_WC_REVISION}\"\n")
+  endif ()
+
+  # Copy the file only if it has changed.
+  execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
+    ${HEADER_FILE}.txt ${HEADER_FILE})
 endif()
-
-# Copy the file only if it has changed.
-execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
-  "${HEADER_FILE}.txt" "${HEADER_FILE}")
-file(REMOVE "${HEADER_FILE}.txt")
-