diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/LTO/CMakeLists.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/llvm/lib/LTO/CMakeLists.txt b/llvm/lib/LTO/CMakeLists.txt index 1a592f0b755..cf6a7d16d20 100644 --- a/llvm/lib/LTO/CMakeLists.txt +++ b/llvm/lib/LTO/CMakeLists.txt @@ -1,8 +1,58 @@ +# Figure out if we can track VC revisions. +function(find_first_existing_file out_var) + foreach(file ${ARGN}) + if(EXISTS "${file}") + set(${out_var} "${file}" PARENT_SCOPE) + return() + endif() + endforeach() +endfunction() + +macro(find_first_existing_vc_file out_var path) + find_first_existing_file(${out_var} + "${path}/.git/logs/HEAD" # Git + "${path}/.svn/wc.db" # SVN 1.7 + "${path}/.svn/entries" # SVN 1.6 + ) +endmacro() + +find_first_existing_vc_file(llvm_vc "${LLVM_MAIN_SRC_DIR}") + +# The VC revision include that we want to generate. +set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/LLVMLTORevision.h") + +set(get_svn_script "${LLVM_MAIN_SRC_DIR}/cmake/modules/GenerateVersionFromCVS.cmake") + +if(DEFINED llvm_vc) + # Create custom target to generate the VC revision include. + add_custom_command(OUTPUT "${version_inc}" + DEPENDS "${llvm_vc}" "${get_svn_script}" + COMMAND + ${CMAKE_COMMAND} "-DSOURCE_DIR=${LLVM_MAIN_SRC_DIR}" + "-DNAME=LLVM_REVISION" + "-DHEADER_FILE=${version_inc}" + -P "${get_svn_script}") + + # Mark the generated header as being generated. + set_source_files_properties("${version_inc}" + PROPERTIES GENERATED TRUE + HEADER_FILE_ONLY TRUE) + + # Tell Version.cpp that it needs to build with -DHAVE_SVN_VERSION_INC. + set_source_files_properties(Version.cpp + PROPERTIES COMPILE_DEFINITIONS "HAVE_SVN_VERSION_INC") +else() + # Not producing a VC revision include. + set(version_inc) +endif() + + add_llvm_library(LLVMLTO LTOModule.cpp LTOCodeGenerator.cpp UpdateCompilerUsed.cpp ThinLTOCodeGenerator.cpp + ${version_inc} ADDITIONAL_HEADER_DIRS ${LLVM_MAIN_INCLUDE_DIR}/llvm/LTO |
