set(DEPS_INSTALL_DIR "${CMAKE_BINARY_DIR}/usr")
set(DEPS_BIN_DIR "${DEPS_INSTALL_DIR}/bin")
set(DEPS_LIB_DIR "${DEPS_INSTALL_DIR}/lib")

set(DEPS_BUILD_DIR "${CMAKE_BINARY_DIR}/build")
set(DEPS_DOWNLOAD_DIR "${DEPS_BUILD_DIR}/downloads")

set(DEPS_CMAKE_ARGS
  -D CMAKE_C_COMPILER=${CMAKE_C_COMPILER}
  -D CMAKE_C_STANDARD=99
  -D CMAKE_GENERATOR=${CMAKE_GENERATOR}
  -D CMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
  -D BUILD_SHARED_LIBS=OFF
  -D CMAKE_POSITION_INDEPENDENT_CODE=ON
  -D CMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR})
if(APPLE)
  list(APPEND DEPS_CMAKE_ARGS -D CMAKE_FIND_FRAMEWORK=${CMAKE_FIND_FRAMEWORK})
endif()

set(DEPS_CMAKE_CACHE_ARGS -DCMAKE_OSX_ARCHITECTURES:STRING=${CMAKE_OSX_ARCHITECTURES})