# Run bootstrap.sh to configure the build. We will install in ${PROJECT_BINARY_DIR}/boost add_custom_command( OUTPUT ${CUSTOM_BOOST_LOCATION}/boost.configured COMMAND ./bootstrap.sh --with-toolset=${toolset} ${select_libraries} --with-python=${PYTHON_EXECUTABLE} --prefix=${CUSTOM_BOOST_LOCATION} 1> ${CUSTOM_BOOST_LOCATION}/boost.configured.log 2> ${CUSTOM_BOOST_LOCATION}/boost.configured.err COMMAND ${CMAKE_COMMAND} -E touch ${CUSTOM_BOOST_LOCATION}/boost.configured WORKING_DIRECTORY ${BOOST_BUILD_DIR} DEPENDS ${CUSTOM_BOOST_LOCATION}/boost.user-config COMMENT "Configuring Boost")