CMake: list_optional_packages() fails on Mac OS X

[Kostja Osipov]

MacBook-Pro-support:tarantool shulyakovskiy$ CC=clang CXX=clang++ cmake . -DCMAKE_BUILD_TYPE=RelWithDebugInfo -DENABLE_CLIENT=true
-- Building for Mac OS X
-- Use LuaJIT includes: /Users/shulyakovskiy/workspace/tarantool/third_party/luajit/src
-- Use LuaJIT library: /Users/shulyakovskiy/workspace/tarantool/third_party/luajit/src/libluajit.a
-- Use bundled libev includes: /Users/shulyakovskiy/workspace/tarantool/third_party/tarantool_ev.h
-- Use bundled libev library: ev
-- Use bundled libeio includes: /Users/shulyakovskiy/workspace/tarantool/third_party/tarantool_eio.h
-- Use bundled libeio library: eio
-- Use bundled libcoro includes: /Users/shulyakovskiy/workspace/tarantool/third_party/coro/coro.h
-- Use bundled libcoro library: coro
-- Use bundled libgopt includes: /Users/shulyakovskiy/workspace/tarantool/third_party/gopt/gopt.h
-- Use bundled libgopt library: gopt
-- Use bundled Lua-CJSON library: cjson
-- Using compiler version of bit operations
-- Found Termcap: /usr/lib/libtermcap.dylib
-- Found GNU readline: /usr/lib/libreadline.dylib
--
-- Tarantool configuration is complete:
--
-- VERSION: 1.5.3-164-gf262847
-- BUILD: Darwin-i386-RelWithDebugInfo
-- C_COMPILER: /usr/bin/clang
-- CXX_COMPILER: /usr/bin/clang++
-- C_FLAGS: -fno-omit-frame-pointer -fno-stack-protector -fexceptions -funwind-tables -std=c11 -Wall -Wextra -Wno-sign-compare -Wno-strict-aliasing
-- CXX_FLAGS: -fno-omit-frame-pointer -fno-stack-protector -fexceptions -funwind-tables -std=c++11 -fno-rtti -Wall -Wextra -Wno-sign-compare -Wno-strict-aliasing
-- PREFIX: /usr/local
-- MODULES: box
-- ENABLE_STATIC: OFF
-- ENABLE_SSE2: OFF
-- ENABLE_AVX: OFF
-- ENABLE_GCOV: OFF
-- ENABLE_GPROF: OFF
-- ENABLE_TRACE: ON
-- ENABLE_BACKTRACE: OFF (symbol resolve: False)
-- ENABLE_CLIENT: true
-- ENABLE_BUNDLED_LUAJIT: True
-- ENABLE_BUNDLED_LIBEV: ON
-- ENABLE_BUNDLED_LIBEIO: ON
-- ENABLE_BUNDLED_LIBCORO: ON
-- ENABLE_DOC: OFF
CMake Error at cmake/FindOptionalPackage.cmake:34 (file):
  file Internal CMake error when trying to open file:
  /Users/shulyakovskiy/workspace/tarantool/CMakeFiles/OptionalPackages.txt
  for reading.
Call Stack (most recent call first):
  CMakeLists.txt:392 (list_optional_packages)

--
-- To view or modify configuration results, check out CMakeCache.txt.
--
-- Configuring incomplete, errors occurred!