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[CMAKE] Fix 'clean' target not working

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cmake was still considering the empty value of ${fake_version_inc}
even if it was not defined.

Reviewed By: vsapsai

Differential Revision: https://reviews.llvm.org/D82847
This commit is contained in:
Pushpinder Singh 2020-07-03 01:32:45 -04:00
parent 58535386bb
commit 62153b67c4
1 changed files with 21 additions and 7 deletions
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28
include/llvm/Support/CMakeLists.txt
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@ -16,18 +16,32 @@ if(LLVM_APPEND_VC_REV)
endif()
endif()
set(generated_files "${version_inc}")
if (fake_version_inc)
list(APPEND generated_files "${fake_version_inc}")
endif()
# Create custom target to generate the VC revision include.
add_custom_command(OUTPUT "${version_inc}" "${fake_version_inc}"
DEPENDS "${llvm_vc}" "${generate_vcs_version_script}"
COMMAND ${CMAKE_COMMAND} "-DNAMES=LLVM"
"-DLLVM_SOURCE_DIR=${llvm_source_dir}"
"-DHEADER_FILE=${version_inc}"
-P "${generate_vcs_version_script}")
if (fake_version_inc)
add_custom_command(OUTPUT "${version_inc}" "${fake_version_inc}"
DEPENDS "${llvm_vc}" "${generate_vcs_version_script}"
COMMAND ${CMAKE_COMMAND} "-DNAMES=LLVM"
"-DLLVM_SOURCE_DIR=${llvm_source_dir}"
"-DHEADER_FILE=${version_inc}"
-P "${generate_vcs_version_script}")
else()
add_custom_command(OUTPUT "${version_inc}"
DEPENDS "${llvm_vc}" "${generate_vcs_version_script}"
COMMAND ${CMAKE_COMMAND} "-DNAMES=LLVM"
"-DLLVM_SOURCE_DIR=${llvm_source_dir}"
"-DHEADER_FILE=${version_inc}"
-P "${generate_vcs_version_script}")
endif()
# Mark the generated header as being generated.
set_source_files_properties("${version_inc}"
PROPERTIES GENERATED TRUE
HEADER_FILE_ONLY TRUE)
add_custom_target(llvm_vcsrevision_h ALL DEPENDS "${version_inc}" "${fake_version_inc}")
add_custom_target(llvm_vcsrevision_h ALL DEPENDS "${generated_files}")
set_target_properties(llvm_vcsrevision_h PROPERTIES FOLDER "Misc")