diff options
Diffstat (limited to 'clang/lib/Basic/CMakeLists.txt')
| -rw-r--r-- | clang/lib/Basic/CMakeLists.txt | 55 |
1 files changed, 33 insertions, 22 deletions
diff --git a/clang/lib/Basic/CMakeLists.txt b/clang/lib/Basic/CMakeLists.txt index 7e1543bb898..8b3aa0f1e97 100644 --- a/clang/lib/Basic/CMakeLists.txt +++ b/clang/lib/Basic/CMakeLists.txt @@ -4,34 +4,45 @@ set(LLVM_LINK_COMPONENTS Support ) -find_first_existing_vc_file("${LLVM_MAIN_SRC_DIR}" llvm_vc) -find_first_existing_vc_file("${CLANG_SOURCE_DIR}" clang_vc) +find_first_existing_vc_file(llvm_vc "${LLVM_MAIN_SRC_DIR}") +find_first_existing_vc_file(clang_vc "${CLANG_SOURCE_DIR}") # The VC revision include that we want to generate. -set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/VCSRevision.h") +set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/SVNVersion.inc") -set(get_svn_script "${LLVM_CMAKE_PATH}/GenerateVersionFromVCS.cmake") +set(get_svn_script "${LLVM_CMAKE_PATH}/GetSVN.cmake") -if(llvm_vc) - set(llvm_source_dir ${LLVM_MAIN_SRC_DIR}) -endif() -if(clang_vc) - set(clang_source_dir ${CLANG_SOURCE_DIR}) -endif() +if(DEFINED llvm_vc AND DEFINED clang_vc) + # Create custom target to generate the VC revision include. + add_custom_command(OUTPUT "${version_inc}" + DEPENDS "${llvm_vc}" "${clang_vc}" "${get_svn_script}" + COMMAND + ${CMAKE_COMMAND} "-DFIRST_SOURCE_DIR=${LLVM_MAIN_SRC_DIR}" + "-DFIRST_NAME=LLVM" + "-DSECOND_SOURCE_DIR=${CLANG_SOURCE_DIR}" + "-DSECOND_NAME=SVN" + "-DHEADER_FILE=${version_inc}" + -P "${get_svn_script}") -# Create custom target to generate the VC revision include. -add_custom_command(OUTPUT "${version_inc}" - DEPENDS "${llvm_vc}" "${clang_vc}" "${get_svn_script}" - COMMAND ${CMAKE_COMMAND} "-DNAMES=LLVM\;CLANG" - "-DLLVM_SOURCE_DIR=${llvm_source_dir}" - "-DCLANG_SOURCE_DIR=${clang_source_dir}" - "-DHEADER_FILE=${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) -# Mark the generated header as being generated. -set_source_files_properties("${version_inc}" - PROPERTIES GENERATED TRUE - HEADER_FILE_ONLY TRUE) + # Tell Version.cpp that it needs to build with -DHAVE_SVN_VERSION_INC. + set_source_files_properties(Version.cpp + PROPERTIES COMPILE_DEFINITIONS "HAVE_SVN_VERSION_INC") +else() + # Not producing a VC revision include. + set(version_inc) + + # Being able to force-set the SVN revision in cases where it isn't available + # is useful for performance tracking, and matches compatibility from autoconf. + if(SVN_REVISION) + set_source_files_properties(Version.cpp + PROPERTIES COMPILE_DEFINITIONS "SVN_REVISION=\"${SVN_REVISION}\"") + endif() +endif() add_clang_library(clangBasic Attributes.cpp |
