src/CMakeLists.txt

   1 cmake_minimum_required(VERSION 3.1.0)
   2 project(WikiWalker VERSION 0.2.0)
   3
   4 set(walker_version "v${PROJECT_VERSION}")
   5
   6 add_custom_target(
   7     gitversion
   8     ${CMAKE_COMMAND}
   9     -D SRC=${CMAKE_SOURCE_DIR}/inc/
  10     -D BIN=${CMAKE_CURRENT_BINARY_DIR}
  11     -D walker_version=${walker_version}
  12     -P ${CMAKE_CURRENT_SOURCE_DIR}/version.cmake
  13 )
  14
  15 find_package(CURL REQUIRED)
  16
  17 find_package(Boost
  18     COMPONENTS program_options
  19 )
  20
  21 set(ww_cmdparse_helpstring "Command line parser to use (boostpo or getopt)")
  22
  23 set(WW_COMMANDLINEPARSER "" CACHE STRING ${ww_cmdparse_helpstring})
  24
  25 # empty list, otherwise we end up appending forever
  26 set_property(CACHE WW_COMMANDLINEPARSER PROPERTY STRINGS)
  27
  28 # if boost found
  29 if(Boost_PROGRAM_OPTIONS_FOUND)
  30     set_property(CACHE WW_COMMANDLINEPARSER APPEND PROPERTY STRINGS "boostpo")
  31     # set default value to boostpo
  32     if(WW_COMMANDLINEPARSER STREQUAL "")
  33         set(WW_COMMANDLINEPARSER "boostpo" CACHE STRING
  34             ${ww_cmdparse_helpstring} FORCE)
  35     endif()
  36 endif() #Boost_PROGRAM_OPTIONS_FOUND
  37
  38 message("Checking whether getopt is available.")
  39 include(CheckFunctionExists)
  40 include(CheckIncludeFile)
  41 check_function_exists(getopt_long  HAS_GETOPT_FUNCTION)
  42 check_include_file(getopt.h  HAS_GETOPT_HEADER)
  43
  44 if(HAS_GETOPT_FUNCTION AND HAS_GETOPT_HEADER)
  45     set_property(CACHE WW_COMMANDLINEPARSER APPEND PROPERTY STRINGS "getopt")
  46     # set default value to getopt
  47     if(WW_COMMANDLINEPARSER STREQUAL "")
  48         set(WW_COMMANDLINEPARSER "getopt" CACHE STRING
  49             ${ww_cmdparse_helpstring} FORCE)
  50     endif()
  51 endif() #HAS_GETOPT_FUNCTION AND HAS_GETOPT_HEADER
  52
  53 if("${WW_COMMANDLINEPARSER}" STREQUAL "boostpo")
  54     set(WW_USE_BOOST_PO TRUE)
  55 elseif("${WW_COMMANDLINEPARSER}" STREQUAL "getopt")
  56     set(WW_USE_GETOPT TRUE)
  57 else()
  58     message(SEND_ERROR "Must use either getopt or boost. Make sure \
  59 either is available and set WW_COMMANDLINEPARSER")
  60 endif()
  61
  62 configure_file(
  63     "${CMAKE_SOURCE_DIR}/inc/config.h.in"
  64     "${CMAKE_CURRENT_BINARY_DIR}/config.h"
  65 )
  66
  67 # Define commonly used source files (with tests)
  68 add_library(WikiWalkerSource OBJECT
  69     ${CMAKE_CURRENT_SOURCE_DIR}/Article.cpp
  70     ${CMAKE_CURRENT_SOURCE_DIR}/ArticleCollection.cpp
  71     ${CMAKE_CURRENT_SOURCE_DIR}/CommandLineParserBase.cpp
  72     ${CMAKE_CURRENT_SOURCE_DIR}/CommandLineParserUtils.cpp
  73     ${CMAKE_CURRENT_SOURCE_DIR}/CurlUrlCreator.cpp
  74     ${CMAKE_CURRENT_SOURCE_DIR}/CurlWikiGrabber.cpp
  75     ${CMAKE_CURRENT_SOURCE_DIR}/DataOutputBase.cpp
  76     ${CMAKE_CURRENT_SOURCE_DIR}/JsonSerializer.cpp
  77     ${CMAKE_CURRENT_SOURCE_DIR}/StringUtils.cpp
  78     ${CMAKE_CURRENT_SOURCE_DIR}/ToGraphvizWriter.cpp
  79     ${CMAKE_CURRENT_SOURCE_DIR}/Walker.cpp
  80     ${CMAKE_CURRENT_SOURCE_DIR}/WalkerException.cpp
  81     ${CMAKE_CURRENT_SOURCE_DIR}/WikimediaApi.cpp
  82     ${CMAKE_CURRENT_SOURCE_DIR}/WikimediaJsonToArticleConverter.cpp
  83     ${CMAKE_CURRENT_SOURCE_DIR}/WikiWalker.cpp
  84
  85     ${CMAKE_SOURCE_DIR}/inc/Article.h
  86     ${CMAKE_SOURCE_DIR}/inc/ArticleCollection.h
  87     ${CMAKE_SOURCE_DIR}/inc/CommandLineParserBase.h
  88     ${CMAKE_SOURCE_DIR}/inc/CommandLineParserUtils.h
  89     ${CMAKE_SOURCE_DIR}/inc/CurlUrlCreator.h
  90     ${CMAKE_SOURCE_DIR}/inc/CurlWikiGrabber.h
  91     ${CMAKE_SOURCE_DIR}/inc/DataOutputBase.h
  92     ${CMAKE_SOURCE_DIR}/inc/JsonSerializer.h
  93     ${CMAKE_SOURCE_DIR}/inc/StringUtils.h
  94     ${CMAKE_SOURCE_DIR}/inc/ToGraphvizWriter.h
  95     ${CMAKE_SOURCE_DIR}/inc/Walker.h
  96     ${CMAKE_SOURCE_DIR}/inc/WalkerException.h
  97     ${CMAKE_SOURCE_DIR}/inc/WikimediaApi.h
  98     ${CMAKE_SOURCE_DIR}/inc/WikimediaJsonToArticleConverter.h
  99     ${CMAKE_SOURCE_DIR}/inc/WikiWalker.h
 100 )
 101
 102 target_include_directories(WikiWalkerSource BEFORE PRIVATE
 103     ${CURL_INCLUDE_DIRS}
 104     $<TARGET_PROPERTY:jsoncpp,INTERFACE_INCLUDE_DIRECTORIES>
 105     $<TARGET_PROPERTY:lurlparser,INTERFACE_INCLUDE_DIRECTORIES>
 106     ${CMAKE_SOURCE_DIR}/inc/
 107 )
 108
 109 add_executable(walker
 110     ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp
 111     $<TARGET_OBJECTS:WikiWalkerSource>
 112 )
 113
 114 if(${WW_USE_BOOST_PO})
 115     target_sources(walker PRIVATE
 116         ${CMAKE_CURRENT_SOURCE_DIR}/BoostPoCommandLineParser.cpp
 117         ${CMAKE_SOURCE_DIR}/inc/BoostPoCommandLineParser.h
 118     )
 119 elseif(${WW_USE_GETOPT})
 120     target_sources(walker PRIVATE
 121         ${CMAKE_CURRENT_SOURCE_DIR}/GetoptCommandLineParser.cpp
 122         ${CMAKE_SOURCE_DIR}/inc/GetoptCommandLineParser.h
 123     )
 124 endif()
 125
 126 # Compiler options
 127 option(WW_EXTENDED_WARNINGS "Enable extended compiler warnings for gcc / clang")
 128
 129 if(WW_EXTENDED_WARNINGS)
 130     if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
 131         target_compile_options(WikiWalkerSource PRIVATE
 132             -Wall -Wextra -Wshadow -Werror=return-type)
 133         target_compile_options(walker PRIVATE
 134             -Wall -Wextra -Wshadow -Werror=return-type)
 135     endif() # clang or gcc
 136
 137     if(CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
 138         target_compile_options(WikiWalkerSource PRIVATE
 139             -Weverything -Wno-c++98-compat -Wno-padded)
 140         target_compile_options(walker PRIVATE
 141             -Weverything -Wno-c++98-compat -Wno-padded)
 142     endif() # clang
 143
 144     if(MSVC)
 145         # Wall emits too many "(not) inlined" warnings
 146         target_compile_options(WikiWalkerSource PRIVATE /W4)
 147         target_compile_options(walker PRIVATE /W4)
 148     endif() #MSVC
 149 endif() # WW_EXTENDED_WARNINGS
 150
 151 target_link_libraries(walker
 152     ${CURL_LIBRARIES}
 153     jsoncpp
 154     lurlparser
 155 )
 156
 157 # if boost wanted
 158 if(${WW_USE_BOOST_PO})
 159     target_include_directories(walker PRIVATE
 160         ${Boost_INCLUDE_DIR}
 161     )
 162     target_link_libraries(walker
 163         ${Boost_PROGRAM_OPTIONS_LIBRARY}
 164     )
 165 endif()
 166
 167 target_include_directories(walker PRIVATE
 168     ${CMAKE_SOURCE_DIR}/inc/
 169     ${CMAKE_CURRENT_BINARY_DIR}
 170 )
 171
 172 install(TARGETS walker DESTINATION bin)
 173
 174 enable_testing()
 175 add_test(NAME versiondisplay
 176     COMMAND walker -v)
 177
 178 add_dependencies(walker gitversion)