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