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[CMake] Update GetSVN.cmake to use LLVM version control helper scripts.

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This allows the logic to work with Git, and also uses the variable names
to match what Clang is actually looking for.

This is a re-application of r190556 and r190808. This changes the interface
of GetSVN.cmake. Clang change to follow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222391 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jordan Rose 2014-11-19 22:03:21 +00:00
parent 06f9f40a1e
commit 61fd8ea520
1 changed files with 37 additions and 17 deletions
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54
cmake/modules/GetSVN.cmake
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@ -2,24 +2,44 @@
# #
# Input variables: # Input variables:
# FIRST_SOURCE_DIR - First source directory # FIRST_SOURCE_DIR - First source directory
# FIRST_REPOSITORY - The macro to define to the first revision number. # FIRST_NAME - The macro prefix for the first repository's info
# SECOND_SOURCE_DIR - Second source directory # SECOND_SOURCE_DIR - Second source directory (opt)
# SECOND_REPOSITORY - The macro to define to the second revision number. # SECOND_NAME - The macro prefix for the second repository's info (opt)
# HEADER_FILE - The header file to write # HEADER_FILE - The header file to write
include(FindSubversion) #
if (Subversion_FOUND AND EXISTS "${FIRST_SOURCE_DIR}/.svn") # The output header will contain macros FIRST_REPOSITORY and FIRST_REVISION,
# Repository information for the first repository. # and SECOND_REPOSITORY and SECOND_REVISION if requested, where "FIRST" and
Subversion_WC_INFO(${FIRST_SOURCE_DIR} MY) # "SECOND" are substituted with the names specified in the input variables.
file(WRITE ${HEADER_FILE}.txt "#define ${FIRST_REPOSITORY} \"${MY_WC_REVISION}\"\n")
# Repository information for the second repository. # Chop off cmake/modules/GetSVN.cmake
if (EXISTS "${SECOND_SOURCE_DIR}/.svn") get_filename_component(LLVM_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH)
Subversion_WC_INFO(${SECOND_SOURCE_DIR} MY) get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
file(APPEND ${HEADER_FILE}.txt get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
"#define ${SECOND_REPOSITORY} \"${MY_WC_REVISION}\"\n")
endif ()
# Copy the file only if it has changed. # Handle strange terminals
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different set(ENV{TERM} "dumb")
${HEADER_FILE}.txt ${HEADER_FILE})
function(append_info name path)
execute_process(COMMAND "${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}")
endif() 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")