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llvm-mirror/lib/LTO/CMakeLists.txt
Peter Collingbourne 1553cd1af6 Support: Add a VCSRevision.h header file.
This is a magic header file supported by the build system that provides a
single definition, LLVM_REVISION, containing an LLVM revision identifier,
if available. This functionality previously lived in the LTO library, but
I am moving it out to lib/Support because I want to also start using it in
lib/Object to create the IR symbol table.

This change also fixes a bug where LLVM_REVISION was never actually being
used in lib/LTO because the macro HAS_LLVM_REVISION was never defined (it
was misspelled as HAVE_SVN_VERSION_INC in lib/LTO/CMakeLists.txt, and was
only being defined in a non-existent file Version.cpp).

I also changed the code to use "git rev-parse --git-dir" to locate the .git
directory, instead of looking for it in the LLVM source root directory,
which makes this compatible with monorepos as well as git worktrees.

Differential Revision: https://reviews.llvm.org/D31985

llvm-svn: 300160
2017-04-13 01:26:12 +00:00

17 lines
270 B
CMake

add_llvm_library(LLVMLTO
Caching.cpp
LTO.cpp
LTOBackend.cpp
LTOModule.cpp
LTOCodeGenerator.cpp
UpdateCompilerUsed.cpp
ThinLTOCodeGenerator.cpp
ADDITIONAL_HEADER_DIRS
${LLVM_MAIN_INCLUDE_DIR}/llvm/LTO
DEPENDS
intrinsics_gen
llvm_vcsrevision_h
)