'brew install llvm --with-lldb' fails

[timotheecour]

==> cmake -G Unix Makefiles /tmp/llvm-20160901-32682-jzq6ts/llvm-3.8.1.src -DCMAKE_C_FLAGS_RELEASE=-DNDEBUG -DCMAKE_CXX_FLAGS_RELEASE=-DNDEBUG -DCMAKE_INSTALL_PREFIX=/home/timothee/.l
Last 15 lines from /home/timothee/.cache/Homebrew/Logs/llvm/01.cmake:
-- Performing Test HAVE_PROCESS_VM_READV
-- Performing Test HAVE_PROCESS_VM_READV - Success
-- Found Curses: /home/timothee/.linuxbrew/lib/libcurses.so
-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
CMake Error at /home/timothee/.linuxbrew/Cellar/cmake/3.6.1/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:148 (message):
Could NOT find SWIG (missing: SWIG_EXECUTABLE SWIG_DIR)
Call Stack (most recent call first):
/home/timothee/.linuxbrew/Cellar/cmake/3.6.1/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:388 (_FPHSA_FAILURE_MESSAGE)
/home/timothee/.linuxbrew/Cellar/cmake/3.6.1/share/cmake/Modules/FindSWIG.cmake:75 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
tools/lldb/scripts/CMakeLists.txt:12 (find_package)

[timotheecour]

moved to https://github.com/Linuxbrew/homebrew-core/issues/854