[CMake] add_llvm_external_project: Just warn about nonexistent directories.

These entries were generated accidentally.

llvm-svn: 245783
This commit is contained in:
NAKAMURA Takumi 2015-08-22 05:11:02 +00:00
parent 04e2da526f
commit 6fa8532041
1 changed files with 5 additions and 1 deletions

View File

@ -719,7 +719,11 @@ macro(add_llvm_external_project name)
"Whether to build ${name} as part of LLVM"
${LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT})
if (LLVM_TOOL_${nameUPPER}_BUILD)
add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
endif()
# FIXME: It'd be redundant.
set(LLVM_TOOL_${nameUPPER}_BUILD Off)
endif()