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lib/Header: Simplify CMakeLists.txt 

Summary:
Replace cut and pasted code with cmake macros and reduce the number of
install commands.  This fixes an issue where the headers were being
installed twice.

This clean up should also make future modifications easier, like
adding a cmake option to install header files into a custom resource
directory.

Reviewers: chandlerc, smeenai, mgorny, beanz, phosek

Reviewed By: smeenai

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D58537

llvm-svn: 355253
This commit is contained in:
Tom Stellard 2019-03-02 00:50:13 +00:00
parent a14f20c5b3
commit 4f076000c6
1 changed files with 30 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
clang/lib/Headers/CMakeLists.txt
View File

@ -123,60 +123,51 @@ set(cuda_wrapper_files
)
set(output_dir ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}/include)
# Generate arm_neon.h
clang_tablegen(arm_neon.h -gen-arm-neon
-I ${CLANG_SOURCE_DIR}/include/clang/Basic/
SOURCE ${CLANG_SOURCE_DIR}/include/clang/Basic/arm_neon.td)
# Generate arm_fp16.h
clang_tablegen(arm_fp16.h -gen-arm-fp16
-I ${CLANG_SOURCE_DIR}/include/clang/Basic/
SOURCE ${CLANG_SOURCE_DIR}/include/clang/Basic/arm_fp16.td)
set(out_files)
foreach( f ${files} ${cuda_wrapper_files} )
set( src ${CMAKE_CURRENT_SOURCE_DIR}/${f} )
set( dst ${output_dir}/${f} )
function(copy_header_to_output_dir src_dir file)
set(src ${src_dir}/${file})
set(dst ${output_dir}/${file})
add_custom_command(OUTPUT ${dst}
DEPENDS ${src}
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
COMMENT "Copying clang's ${f}...")
COMMENT "Copying clang's ${file}...")
list(APPEND out_files ${dst})
set(out_files ${out_files} PARENT_SCOPE)
endfunction(copy_header_to_output_dir)
function(clang_generate_header td_option td_file out_file)
clang_tablegen(${out_file} ${td_option}
-I ${CLANG_SOURCE_DIR}/include/clang/Basic/
SOURCE ${CLANG_SOURCE_DIR}/include/clang/Basic/${td_file})
copy_header_to_output_dir(${CMAKE_CURRENT_BINARY_DIR} ${out_file})
set(out_files ${out_files} PARENT_SCOPE)
endfunction(clang_generate_header)
# Copy header files from the source directory to the build directory
foreach( f ${files} ${cuda_wrapper_files} )
copy_header_to_output_dir(${CMAKE_CURRENT_SOURCE_DIR} ${f})
endforeach( f )
add_custom_command(OUTPUT ${output_dir}/arm_neon.h
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/arm_neon.h
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_BINARY_DIR}/arm_neon.h ${output_dir}/arm_neon.h
COMMENT "Copying clang's arm_neon.h...")
list(APPEND out_files ${output_dir}/arm_neon.h)
add_custom_command(OUTPUT ${output_dir}/arm_fp16.h
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/arm_fp16.h
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_BINARY_DIR}/arm_fp16.h ${output_dir}/arm_fp16.h
COMMENT "Copying clang's arm_fp16.h...")
list(APPEND out_files ${output_dir}/arm_fp16.h)
# Generate header files and copy them to the build directory
# Generate arm_neon.h
clang_generate_header(-gen-arm-neon arm_neon.td arm_neon.h)
# Generate arm_fp16.h
clang_generate_header(-gen-arm-fp16 arm_fp16.td arm_fp16.h)
add_custom_target(clang-headers ALL DEPENDS ${out_files})
set_target_properties(clang-headers PROPERTIES
FOLDER "Misc"
RUNTIME_OUTPUT_DIRECTORY "${output_dir}")
install(
FILES ${files} ${CMAKE_CURRENT_BINARY_DIR}/arm_neon.h
COMPONENT clang-headers
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
DESTINATION lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}/include)
set(header_install_dir lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
install(
FILES ${files} ${CMAKE_CURRENT_BINARY_DIR}/arm_fp16.h
COMPONENT clang-headers
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
DESTINATION lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}/include)
install(
FILES ${cuda_wrapper_files}
COMPONENT clang-headers
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
DESTINATION lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}/include/cuda_wrappers)
DIRECTORY ${output_dir}
DESTINATION ${header_install_dir}
COMPONENT clang-headers)
if (NOT LLVM_ENABLE_IDE)
add_llvm_install_targets(install-clang-headers