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[CMake] Adding ALWAYS_GENERATE option to symlink utility functions.

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This implements the behavior required for clang symlinks which should be always generated.

llvm-svn: 248039
This commit is contained in:
Chris Bieneman 2015-09-18 21:08:32 +00:00
parent 3069215616
commit 002bf95a73
1 changed files with 33 additions and 20 deletions
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53
cmake/modules/AddLLVM.cmake
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@ -1024,17 +1024,25 @@ function(add_lit_testsuites project directory)
endfunction()
function(llvm_install_symlink name dest)
cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
foreach(path ${CMAKE_MODULE_PATH})
if(EXISTS ${path}/LLVMInstallSymlink.cmake)
set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
break()
endif()
endforeach()
if(ARG_ALWAYS_GENERATE)
set(component ${dest})
else()
set(component ${name})
endif()
install(SCRIPT ${INSTALL_SYMLINK}
CODE "install_symlink(${name} ${dest})"
COMPONENT ${name})
COMPONENT ${component})
if (NOT CMAKE_CONFIGURATION_TYPES)
if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
add_custom_target(install-${name}
DEPENDS ${name} ${dest} install-${dest}
COMMAND "${CMAKE_COMMAND}"
@ -1044,6 +1052,7 @@ function(llvm_install_symlink name dest)
endfunction()
function(add_llvm_tool_symlink name dest)
cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
if(UNIX)
set(LLVM_LINK_OR_COPY create_symlink)
set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}")
@ -1054,28 +1063,32 @@ function(add_llvm_tool_symlink name dest)
set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}")
add_custom_command(OUTPUT ${output_path}
if(ARG_ALWAYS_GENERATE)
set_property(DIRECTORY APPEND PROPERTY
ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
add_custom_command(TARGET ${dest} POST_BUILD
COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
else()
add_custom_command(OUTPUT ${output_path}
COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
DEPENDS ${dest})
add_custom_target(${name} ALL DEPENDS ${output_path})
set_target_properties(${name} PROPERTIES FOLDER Tools)
add_custom_target(${name} ALL DEPENDS ${output_path})
set_target_properties(${name} PROPERTIES FOLDER Tools)
set_property(DIRECTORY APPEND PROPERTY
ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
# Make sure the parent tool is a toolchain tool, otherwise exclude this tool
list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
else()
list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
endif()
# Make sure the parent tool is a toolchain tool, otherwise exclude this tool
list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
else()
list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
endif()
# LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
# tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
if( LLVM_BUILD_TOOLS )
llvm_install_symlink(${name} ${dest})
# LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
# tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
if( LLVM_BUILD_TOOLS )
llvm_install_symlink(${name} ${dest})
endif()
endif()
endif()
endfunction()