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Revert "[cmake] Add helper for finding potentially external projects"

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This reverts commit r244633.

We aren't going to be able to use it because the compiler-rt build can
be built standalone without an LLVM source dir *or* an installed copy of
LLVM.

llvm-svn: 244648
This commit is contained in:
Reid Kleckner 2015-08-11 19:02:57 +00:00
parent 2be0223b90
commit 3c27958d3f
1 changed files with 0 additions and 17 deletions
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17
cmake/modules/AddLLVM.cmake
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@ -717,23 +717,6 @@ macro(add_llvm_tool_subdirectory name)
add_llvm_external_project(${name}) add_llvm_external_project(${name})
endmacro(add_llvm_tool_subdirectory) endmacro(add_llvm_tool_subdirectory)
# Finds a (potentially external) project that normally lives at
# llvm/${subdir}/${name}. For example, to find clang:
# find_llvm_external_project(tools clang CLANG_SRC)
# Returns nothing if the project is not configured to build.
function(find_llvm_external_project subdir name path_out)
canonicalize_tool_name(${name} nameUPPER)
if (NOT LLVM_TOOL_${nameUPPER}_BUILD)
set(${path_out} PARENT_SCOPE)
elseif (EXISTS LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR)
set(${path_out} LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR PARENT_SCOPE)
elseif (EXISTS ${LLVM_MAIN_SRC_DIR}/${subdir}/${name})
set(${path_out} ${LLVM_MAIN_SRC_DIR}/${subdir}/${name} PARENT_SCOPE)
else()
set(${path_out} PARENT_SCOPE)
endif()
endfunction(find_llvm_external_project)
function(get_project_name_from_src_var var output) function(get_project_name_from_src_var var output)
string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
MACHED_TOOL "${var}") MACHED_TOOL "${var}")