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-rw-r--r--cmake/modules/GenerateVersionFromCVS.cmake39
1 files changed, 39 insertions, 0 deletions
diff --git a/cmake/modules/GenerateVersionFromCVS.cmake b/cmake/modules/GenerateVersionFromCVS.cmake
new file mode 100644
index 000000000000..6b1c71983466
--- /dev/null
+++ b/cmake/modules/GenerateVersionFromCVS.cmake
@@ -0,0 +1,39 @@
+# CMake project that writes Subversion revision information to a header.
+#
+# Input variables:
+# SRC - Source directory
+# 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)
+
+set(CMAKE_MODULE_PATH
+ ${CMAKE_MODULE_PATH}
+ "${LLVM_DIR}/cmake/modules")
+include(VersionFromVCS)
+
+# Handle strange terminals
+set(ENV{TERM} "dumb")
+
+function(append_info name path)
+ add_version_info_from_vcs(REVISION ${path})
+ string(STRIP "${REVISION}" REVISION)
+ file(APPEND "${HEADER_FILE}.txt"
+ "#define ${name} \"${REVISION}\"\n")
+endfunction()
+
+append_info(${NAME} "${SOURCE_DIR}")
+
+# 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")
+