CMakeLists.txt

   1 cmake_minimum_required(VERSION 3.0)
   2 project(alure)
   3
   4 IF(COMMAND CMAKE_POLICY)
   5     CMAKE_POLICY(SET CMP0003 NEW)
   6     CMAKE_POLICY(SET CMP0005 NEW)
   7     IF(POLICY CMP0042)
   8         CMAKE_POLICY(SET CMP0042 NEW)
   9     ENDIF(POLICY CMP0042)
  10 ENDIF(COMMAND CMAKE_POLICY)
  11
  12 set(CMAKE_MODULE_PATH "${alure_SOURCE_DIR}/cmake")
  13
  14 include(CheckCXXCompilerFlag)
  15 include(CheckCXXSourceCompiles)
  16 include(GNUInstallDirs)
  17
  18 find_package(OpenAL REQUIRED)
  19 find_package(Threads)
  20
  21 set(CXX_FLAGS )
  22
  23 option(ALURE_DISABLE_RTTI "Disable run-time type information" OFF)
  24 if(MSVC)
  25     if(ALURE_DISABLE_RTTI)
  26         check_cxx_compiler_flag(/GR- HAVE_GRX_SWITCH)
  27         if(HAVE_GRX_SWITCH)
  28             set(CXX_FLAGS ${CXX_FLAGS} /GR-)
  29         endif()
  30     endif()
  31 else()
  32     check_cxx_compiler_flag(-std=c++11 HAVE_STD_CXX11)
  33     if(HAVE_STD_CXX11)
  34         set(CXX_FLAGS -std=c++11 ${CXX_FLAGS})
  35     endif()
  36
  37     check_cxx_compiler_flag(-Wall HAVE_WALL_SWITCH)
  38     if(HAVE_WALL_SWITCH)
  39         set(CXX_FLAGS ${CXX_FLAGS} -Wall)
  40     endif()
  41     check_cxx_compiler_flag(-Wextra HAVE_WEXTRA_SWITCH)
  42     if(HAVE_WEXTRA_SWITCH)
  43         set(CXX_FLAGS ${CXX_FLAGS} -Wextra)
  44     endif()
  45
  46     if(ALURE_DISABLE_RTTI)
  47         check_cxx_compiler_flag(-fno-rtti HAVE_NO_RTTI_SWITCH)
  48         if(HAVE_NO_RTTI_SWITCH)
  49             set(CXX_FLAGS ${CXX_FLAGS} -fno-rtti)
  50         endif()
  51     endif()
  52 endif()
  53
  54 unset(EXPORT_DECL)
  55 set(VISIBILITY_FLAGS )
  56 if(WIN32)
  57     set(EXPORT_DECL "__declspec(dllexport)")
  58 else()
  59     set(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  60     # Yes GCC, really don't accept visibility modes you don't support
  61     set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
  62
  63     check_cxx_source_compiles("int foo() __attribute__((visibility(\"default\")));
  64                                 int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
  65     if(HAVE_GCC_DEFAULT_VISIBILITY)
  66         set(EXPORT_DECL "__attribute__((visibility(\"default\")))")
  67     endif()
  68
  69     if(HAVE_GCC_DEFAULT_VISIBILITY)
  70         check_cxx_compiler_flag(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
  71         if(HAVE_VISIBILITY_HIDDEN_SWITCH)
  72             set(VISIBILITY_FLAGS ${VISIBILITY_FLAGS} -fvisibility=hidden)
  73         endif()
  74     endif()
  75
  76     set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
  77 endif()
  78
  79
  80 set(LINKER_OPTS )
  81 if(MSVC)
  82     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
  83     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
  84     set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO")
  85 else()
  86     option(ALURE_STATIC_GCCRT "Static-link libgcc and libstdc++ runtimes" OFF)
  87     if(ALURE_STATIC_GCCRT)
  88         set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
  89         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} -static-libgcc -static-libstdc++)
  90         check_cxx_source_compiles(
  91 "#include <vector>
  92 int main()
  93 {
  94     std::vector<int> test;
  95     return test.size();
  96 }"
  97             HAVE_STATIC_GCCRT_SWITCHES
  98         )
  99         if(HAVE_STATIC_GCCRT_SWITCHES)
 100             set(LINKER_OPTS ${LINKER_OPTS} -static-libgcc -static-libstdc++)
 101         endif()
 102         set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
 103         unset(OLD_REQUIRED_LIBRARIES)
 104     endif()
 105 endif()
 106
 107
 108 set(alure_srcs src/devicemanager.cpp
 109                src/device.cpp
 110                src/context.cpp
 111                src/buffer.cpp
 112                src/source.cpp
 113                src/sourcegroup.cpp
 114                src/auxeffectslot.cpp
 115                src/effect.cpp
 116 )
 117 set(alure_libs ${OPENAL_LIBRARY})
 118 set(decoder_incls )
 119
 120 unset(HAVE_WAVE)
 121 unset(HAVE_VORBISFILE)
 122 unset(HAVE_FLAC)
 123 unset(HAVE_OPUSFILE)
 124 unset(HAVE_LIBSNDFILE)
 125 unset(HAVE_MINIMP3)
 126
 127 option(ALURE_INSTALL "Install library and import module" ON)
 128 option(ALURE_BUILD_SHARED "Build shared library" ON)
 129 option(ALURE_BUILD_STATIC "Build static library" ON)
 130
 131 if(NOT ALURE_BUILD_SHARED AND NOT ALURE_BUILD_STATIC)
 132     message(FATAL_ERROR "Neither shared or static libraries are enabled!")
 133 endif()
 134
 135 option(ALURE_ENABLE_WAVE    "Enables the built-in wave file decoder"     ON)
 136 option(ALURE_ENABLE_VORBIS  "Enables the built-in libvorbisfile decoder" ON)
 137 option(ALURE_ENABLE_FLAC    "Enables the built-in FLAC decoder"          ON)
 138 option(ALURE_ENABLE_OPUS    "Enables the built-in libopusfile decoder"   ON)
 139 option(ALURE_ENABLE_SNDFILE "Enables the built-in libsndfile decoder"    ON)
 140 option(ALURE_ENABLE_MINIMP3 "Enables the built-in MINIMP3 decoder"       ON)
 141
 142 if(ALURE_ENABLE_WAVE)
 143     set(alure_srcs ${alure_srcs} src/decoders/wave.cpp)
 144     set(HAVE_WAVE 1)
 145 endif()
 146
 147 find_package(Ogg)
 148 if(OGG_FOUND)
 149     set(decoder_incls ${decoder_incls} ${OGG_INCLUDE_DIRS})
 150     find_package(Vorbis)
 151     if(VORBIS_FOUND AND ALURE_ENABLE_VORBIS)
 152         set(decoder_incls ${decoder_incls} ${VORBIS_INCLUDE_DIRS})
 153         set(alure_libs ${alure_libs} ${VORBIS_LIBRARIES})
 154         set(alure_srcs ${alure_srcs} src/decoders/vorbisfile.cpp)
 155         set(HAVE_VORBISFILE 1)
 156     endif()
 157
 158     find_package(Opus)
 159     if(OPUS_FOUND AND ALURE_ENABLE_OPUS)
 160         set(decoder_incls ${decoder_incls} ${OPUS_INCLUDE_DIRS})
 161         set(alure_libs ${alure_libs} ${OPUS_LIBRARIES})
 162         set(alure_srcs ${alure_srcs} src/decoders/opusfile.cpp)
 163         set(HAVE_OPUSFILE 1)
 164     endif()
 165     set(alure_libs ${alure_libs} ${OGG_LIBRARIES})
 166 endif()
 167
 168 if(ALURE_ENABLE_FLAC)
 169     set(alure_srcs ${alure_srcs} src/decoders/dr_flac.h src/decoders/flac.cpp)
 170     set(HAVE_FLAC 1)
 171 endif()
 172
 173 find_package(SndFile)
 174 if(SNDFILE_FOUND AND ALURE_ENABLE_SNDFILE)
 175     set(decoder_incls ${decoder_incls} ${SNDFILE_INCLUDE_DIRS})
 176     set(alure_libs ${alure_libs} ${SNDFILE_LIBRARIES})
 177     set(alure_srcs ${alure_srcs} src/decoders/sndfile.cpp)
 178     set(HAVE_LIBSNDFILE 1)
 179 endif()
 180
 181 if(ALURE_ENABLE_MINIMP3)
 182     set(alure_srcs ${alure_srcs} src/decoders/minimp3.h src/decoders/mp3.hpp src/decoders/mp3.cpp)
 183     set(HAVE_MINIMP3 1)
 184 endif()
 185
 186
 187 CONFIGURE_FILE(
 188     "${alure_SOURCE_DIR}/config.h.in"
 189     "${alure_BINARY_DIR}/config.h")
 190
 191
 192 unset(TARGET_NAMES)
 193 unset(MAIN_TARGET)
 194
 195 if(ALURE_BUILD_SHARED)
 196     add_library(alure2 SHARED ${alure_srcs})
 197     if(EXPORT_DECL)
 198         target_compile_definitions(alure2 PRIVATE ALURE_API=${EXPORT_DECL} ALURE_TEMPLATE=template
 199                                                   NOMINMAX)
 200     endif()
 201     target_include_directories(alure2
 202         PUBLIC $<BUILD_INTERFACE:${alure_SOURCE_DIR}/include/AL> ${OPENAL_INCLUDE_DIR}
 203         PRIVATE ${alure_SOURCE_DIR}/include ${alure_SOURCE_DIR}/src ${alure_BINARY_DIR}
 204                 ${decoder_incls}
 205     )
 206     target_compile_options(alure2 PRIVATE ${CXX_FLAGS} ${VISIBILITY_FLAGS})
 207     target_link_libraries(alure2 PUBLIC ${alure_libs} PRIVATE Threads::Threads ${LINKER_OPTS})
 208
 209     set(TARGET_NAMES ${TARGET_NAMES} alure2)
 210     if(NOT MAIN_TARGET)
 211         set(MAIN_TARGET alure2)
 212     endif()
 213 endif()
 214
 215 if(ALURE_BUILD_STATIC)
 216     add_library(alure2_s STATIC ${alure_srcs})
 217     target_compile_definitions(alure2_s PUBLIC ALURE_STATIC_LIB PRIVATE NOMINMAX)
 218     target_include_directories(alure2_s
 219         PUBLIC $<BUILD_INTERFACE:${alure_SOURCE_DIR}/include/AL> ${OPENAL_INCLUDE_DIR}
 220         PRIVATE ${alure_SOURCE_DIR}/include ${alure_SOURCE_DIR}/src ${alure_BINARY_DIR}
 221                 ${decoder_incls}
 222     )
 223     target_compile_options(alure2_s PRIVATE ${CXX_FLAGS} ${VISIBILITY_FLAGS})
 224     target_link_libraries(alure2_s PUBLIC ${alure_libs} PRIVATE Threads::Threads)
 225
 226     set(TARGET_NAMES ${TARGET_NAMES} alure2_s)
 227     if(NOT MAIN_TARGET)
 228         set(MAIN_TARGET alure2_s)
 229     endif()
 230 endif()
 231
 232 export(
 233     TARGETS ${TARGET_NAMES}
 234     NAMESPACE Alure2::
 235     FILE Alure2Config.cmake
 236 )
 237 if(ALURE_INSTALL)
 238     install(TARGETS ${TARGET_NAMES} EXPORT alure2
 239         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 240         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 241         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 242         INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ${CMAKE_INSTALL_INCLUDEDIR}/AL
 243     )
 244     install(
 245         EXPORT alure2
 246         DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Alure2
 247         NAMESPACE Alure2::
 248         FILE Alure2Config.cmake
 249     )
 250     install(FILES
 251         include/AL/alure2.h
 252         include/AL/alure2-aliases.h
 253         include/AL/alure2-typeviews.h
 254         include/AL/alure2-alext.h
 255         include/AL/efx.h
 256         include/AL/efx-presets.h
 257         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/AL
 258     )
 259 endif()
 260
 261
 262 option(ALURE_BUILD_EXAMPLES "Build example programs" ON)
 263 if(ALURE_BUILD_EXAMPLES)
 264     add_executable(alure-enum examples/alure-enum.cpp)
 265     target_compile_options(alure-enum PRIVATE ${CXX_FLAGS})
 266     target_link_libraries(alure-enum PRIVATE ${MAIN_TARGET} ${LINKER_OPTS})
 267
 268     add_executable(alure-play examples/alure-play.cpp)
 269     target_compile_options(alure-play PRIVATE ${CXX_FLAGS})
 270     target_link_libraries(alure-play PRIVATE ${MAIN_TARGET} ${LINKER_OPTS})
 271
 272     add_executable(alure-play3d examples/alure-play3d.cpp)
 273     target_compile_options(alure-play3d PRIVATE ${CXX_FLAGS})
 274     target_link_libraries(alure-play3d PRIVATE ${MAIN_TARGET} ${LINKER_OPTS})
 275
 276     add_executable(alure-stream examples/alure-stream.cpp)
 277     target_compile_options(alure-stream PRIVATE ${CXX_FLAGS})
 278     target_link_libraries(alure-stream PRIVATE ${MAIN_TARGET} ${LINKER_OPTS})
 279
 280     add_executable(alure-reverb examples/alure-reverb.cpp)
 281     target_compile_options(alure-reverb PRIVATE ${CXX_FLAGS})
 282     target_link_libraries(alure-reverb PRIVATE ${MAIN_TARGET} ${LINKER_OPTS})
 283
 284     add_executable(alure-hrtf examples/alure-hrtf.cpp)
 285     target_compile_options(alure-hrtf PRIVATE ${CXX_FLAGS})
 286     target_link_libraries(alure-hrtf PRIVATE ${MAIN_TARGET} ${LINKER_OPTS})
 287
 288     find_package(PhysFS)
 289     if(PHYSFS_FOUND)
 290         add_executable(alure-physfs examples/alure-physfs.cpp)
 291         target_include_directories(alure-physfs PRIVATE ${PHYSFS_INCLUDE_DIR})
 292         target_compile_options(alure-physfs PRIVATE ${CXX_FLAGS})
 293         target_link_libraries(alure-physfs PRIVATE ${MAIN_TARGET} ${PHYSFS_LIBRARY} ${LINKER_OPTS})
 294     endif()
 295
 296     find_package(DUMB)
 297     if(DUMB_FOUND)
 298         add_executable(alure-dumb examples/alure-dumb.cpp)
 299         target_include_directories(alure-dumb PRIVATE ${DUMB_INCLUDE_DIRS})
 300         target_compile_options(alure-dumb PRIVATE ${CXX_FLAGS})
 301         target_link_libraries(alure-dumb PRIVATE ${MAIN_TARGET} ${DUMB_LIBRARIES} ${LINKER_OPTS})
 302     endif()
 303 endif()