ceph/src/boost/libs/yap/CMakeLists.txt

   1 cmake_minimum_required(VERSION 3.5)
   2 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
   3
   4 ##################################################
   5 # C++ standard version selection
   6 ##################################################
   7 function(constexpr_if_std std_flag var)
   8     try_compile(
   9         worked
  10         ${CMAKE_BINARY_DIR}
  11         ${CMAKE_CURRENT_SOURCE_DIR}/cmake/constexpr_if.cpp
  12         COMPILE_DEFINITIONS ${std_flag} -DCHECK_CONSTEXPR_IF=1
  13     )
  14     set(${var} ${worked} PARENT_SCOPE)
  15 endfunction ()
  16
  17 function(try_std_flag std_flag)
  18     try_compile(
  19         std_supported
  20         ${CMAKE_BINARY_DIR}
  21         ${CMAKE_CURRENT_SOURCE_DIR}/cmake/constexpr_if.cpp
  22         COMPILE_DEFINITIONS ${std_flag} -DCHECK_CONSTEXPR_IF=0
  23     )
  24     if (std_supported)
  25         message("-- Checking compiler flag ${std_flag} -- success")
  26         set(std_flag ${std_flag} PARENT_SCOPE)
  27         constexpr_if_std(${std_flag} have_constexpr_if)
  28         if (have_constexpr_if)
  29             set(constexpr_if_define -DBOOST_NO_CONSTEXPR_IF=0 PARENT_SCOPE)
  30             message("-- Checking constexpr if support -- success")
  31         else ()
  32             set(constexpr_if_define -DBOOST_NO_CONSTEXPR_IF=1 PARENT_SCOPE)
  33             message("-- Checking constexpr if support -- failed to compile")
  34         endif ()
  35     else ()
  36         message("-- Checking compiler flag ${std_flag} -- failed to compile")
  37     endif ()
  38 endfunction ()
  39
  40 try_std_flag(-std=c++17)
  41 if (NOT std_flag)
  42     try_std_flag(-std=c++1z)
  43 elseif (NOT std_flag)
  44     try_std_flag(-std=c++14)
  45 elseif (NOT std_flag)
  46     try_std_flag(/std:c++14)
  47 elseif (NOT std_flag)
  48     message(FATAL_ERROR "Only c++14 or later will work")
  49 endif ()
  50
  51 ##################################################
  52 # Sanitizers
  53 ##################################################
  54 set(USE_ASAN false CACHE BOOL "Set to true to enable -fsanitize=address when building tests.")
  55 set(USE_UBSAN false CACHE BOOL "Set to true to enable -fsanitize=undefined when building tests.")
  56 if (USE_ASAN AND USE_UBSAN)
  57     message(FATAL_ERROR "USE_ASAN and USE_UBSAN must not be enabled at the same time")
  58 elseif (USE_ASAN)
  59     set(compile_flags -fsanitize=address)
  60     set(link_flags -fsanitize=address)
  61     message("-- Using -fsanitize=address")
  62 elseif (USE_UBSAN)
  63     set(compile_flags -fsanitize=undefined)
  64     set(link_flags -fsanitize=undefined)
  65     message("-- Using -fsanitize=undefined")
  66 endif()
  67
  68 ##################################################
  69 # Code coverage
  70 ##################################################
  71 if (UNIX)
  72     set(BUILD_COVERAGE false CACHE BOOL "Set to true to enable code coverage when building tests.  Only Linux and Mac are supported.")
  73     if (BUILD_COVERAGE)
  74         message("-- Building for code coverage; disabling any sanitizers")
  75         if (APPLE)
  76             set(compile_flags -fprofile-arcs -ftest-coverage)
  77             set(CMAKE_BUILD_TYPE RelWithDebInfo)
  78             set(link_flags --coverage)
  79         else ()
  80             set(compile_flags --coverage)
  81             set(CMAKE_BUILD_TYPE RelWithDebInfo)
  82             set(link_flags --coverage)
  83         endif ()
  84     endif ()
  85 endif ()
  86
  87 ##################################################
  88 # Clang+Linux support
  89 ##################################################
  90 set(clang_on_linux false)
  91 if (CMAKE_CXX_COMPILER_ID STREQUAL Clang)
  92     add_definitions(${std_flag} -stdlib=libc++ -g -Wall)
  93     if (CMAKE_SYSTEM_NAME STREQUAL Linux)
  94         set(clang_on_linux true)
  95     endif ()
  96 elseif (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
  97     add_definitions(${std_flag} -g -Wall)
  98 endif ()
  99
 100 ##################################################
 101 # Dependencies
 102 ##################################################
 103 include(dependencies)
 104
 105 ##################################################
 106 # yap library
 107 ##################################################
 108 add_library(yap INTERFACE)
 109 target_include_directories(yap INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include)
 110 target_link_libraries(yap INTERFACE boost)
 111 target_compile_definitions(yap INTERFACE ${constexpr_if_define} BOOST_ALL_NO_LIB=1)
 112 if (link_flags)
 113     target_link_libraries(yap INTERFACE ${link_flags})
 114     target_compile_options(yap INTERFACE ${compile_flags})
 115 endif ()
 116
 117 add_subdirectory(test)
 118 add_subdirectory(example)
 119 add_subdirectory(perf)
 120 add_subdirectory(doc) # Doesn't build docs, just the snippets files.