CMakeLists.txt

cmake_minimum_required(VERSION 2.8.11)
cmake_policy(SET CMP0015 NEW)
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/external/sdsl-lite/CMakeModules")
include(AppendCompilerFlags)
include(ExternalProject)

project(AUTOCOMPLETE CXX C)

INCLUDE_DIRECTORIES(${CMAKE_HOME_DIRECTORY}/include
                    ${CMAKE_BINARY_DIR}/external/sdsl-lite/include
                    ${CMAKE_BINARY_DIR}/external/sdsl-lite/external/libdivsufsort/include
                    ${CMAKE_HOME_DIRECTORY}/external/mongoose
                   )

LINK_DIRECTORIES(${CMAKE_BINARY_DIR}/external/sdsl-lite/lib
                )

APPEND_CXX_COMPILER_FLAGS("-msse4.2 -std=c++11 -Wall -DNDEBUG" "GCC" CMAKE_CXX_FLAGS)
APPEND_CXX_COMPILER_FLAGS("-O3 -ffast-math -funroll-loops" "GCC" CMAKE_CXX_FLAGS)
APPEND_CXX_COMPILER_FLAGS("-msse4.2 -std=c++11 -g -funroll-loops -DNDEBUG -stdlib=libc++" "CLANG" CMAKE_CXX_FLAGS)

ADD_SUBDIRECTORY(external/sdsl-lite)

FILE(STRINGS ${CMAKE_HOME_DIRECTORY}/index.config index_lines REGEX "^[^#].*")
FOREACH(line ${index_lines})
    MESSAGE("line = ${line}")
    LIST(GET line 0 index_name)
    LIST(GET line 1 index_type)

    SET(exec ${index_name}-main)
    ADD_EXECUTABLE(${exec} src/index.cpp)
    TARGET_LINK_LIBRARIES(${exec} sdsl divsufsort divsufsort64 pthread)
    SET_PROPERTY(TARGET ${exec} PROPERTY COMPILE_DEFINITIONS 
                 INDEX_TYPE=${index_type} 
                 INDEX_NAME="${index_name}")

    SET(web-exec ${index_name}-webserver)
    ADD_EXECUTABLE(${web-exec} src/web_server.cpp external/mongoose/mongoose.c)
    TARGET_LINK_LIBRARIES(${web-exec} pthread divsufsort divsufsort64 sdsl)
    SET_PROPERTY(TARGET ${web-exec} PROPERTY COMPILE_DEFINITIONS 
                 INDEX_TYPE=${index_type} 
                 INDEX_NAME="${index_name}")
    ADD_CUSTOM_TARGET(${index_name}
                 DEPENDS ${exec} ${web-exec}
                 )
ENDFOREACH()

SET(test_case enwiki-20160601-all-titles.gz)
GET_FILENAME_COMPONENT(test_case_we ${test_case} NAME)

ADD_CUSTOM_TARGET(download
                   COMMAND ${CMAKE_COMMAND} -D test_case=${test_case} -P ${CMAKE_HOME_DIRECTORY}/data/download.cmake
                   COMMAND gunzip ${test_case}
                   WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/data
                  )