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[cmake] Add SOURCE_DIR argument to llvm_check_source_file_list 

The motivation is to be able to check sources outside the current
directory. See D31363 for example usage.

Differential Revision: https://reviews.llvm.org/D37859

llvm-svn: 313648
This commit is contained in:
Shoaib Meenai 2017-09-19 17:44:42 +00:00
parent 02fa88e748
commit d650a8cfc1
1 changed files with 16 additions and 4 deletions
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20
llvm/cmake/modules/LLVMProcessSources.cmake
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@ -68,17 +68,29 @@ endfunction(llvm_process_sources)
function(llvm_check_source_file_list)
set(listed ${ARGN})
file(GLOB globbed *.c *.cpp)
cmake_parse_arguments(ARG "" "SOURCE_DIR" "" ${ARGN})
set(listed ${ARG_UNPARSED_ARGUMENTS})
if(ARG_SOURCE_DIR)
file(GLOB globbed
RELATIVE "${CMAKE_CURRENT_LIST_DIR}"
"${ARG_SOURCE_DIR}/*.c" "${ARG_SOURCE_DIR}/*.cpp")
else()
file(GLOB globbed *.c *.cpp)
endif()
foreach(g ${globbed})
get_filename_component(fn ${g} NAME)
if(ARG_SOURCE_DIR)
set(entry "${g}")
else()
set(entry "${fn}")
endif()
# Don't reject hidden files. Some editors create backups in the
# same directory as the file.
if (NOT "${fn}" MATCHES "^\\.")
list(FIND LLVM_OPTIONAL_SOURCES ${fn} idx)
list(FIND LLVM_OPTIONAL_SOURCES ${entry} idx)
if( idx LESS 0 )
list(FIND listed ${fn} idx)
list(FIND listed ${entry} idx)
if( idx LESS 0 )
message(SEND_ERROR "Found unknown source file ${g}
Please update ${CMAKE_CURRENT_LIST_FILE}\n")