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[CMake] OBJLIB-ize *-tblgen.

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This improves dependency chain of;

  (LLVMSupport && LLVMTableGen) && (*.cpp in *-tblgen) && (linking *-tblgen)

with;

  (LLVMSupport && LLVMTableGen && *.cpp) && (linking *-tblgen)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246156 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2015-08-27 16:10:47 +00:00
parent ff123881d2
commit 68027c4618
2 changed files with 17 additions and 0 deletions
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13
cmake/modules/AddLLVM.cmake
View File

@ -565,6 +565,19 @@ macro(add_llvm_executable name)
llvm_process_sources( ALL_FILES ${ARGN} )
add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
# Generate objlib
if(LLVM_ENABLE_OBJLIB)
# Generate an obj library for both targets.
set(obj_name "obj.${name}")
add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
${ALL_FILES}
)
llvm_update_compile_flags(${obj_name})
set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
endif()
if( EXCLUDE_FROM_ALL )
add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
else()

4
cmake/modules/TableGen.cmake
View File

@ -73,6 +73,10 @@ endfunction()
macro(add_tablegen target project)
set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS})
set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen)
# FIXME: It leaks to user, callee of add_tablegen.
set(LLVM_ENABLE_OBJLIB ON)
add_llvm_utility(${target} ${ARGN})
set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})