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93 lines
3.2 KiB
Text
93 lines
3.2 KiB
Text
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# CMake project definition file.
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project(libgme)
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include (CheckCXXCompilerFlag)
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# When version is changed, also change the one in gme/gme.h to match
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set(GME_VERSION 0.6.0 CACHE INTERNAL "libgme Version")
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# 2.6+ always assumes FATAL_ERROR, but 2.4 and below don't.
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# Of course, 2.4 might work, in which case you're welcome to drop
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# down the requirement, but I can't test that.
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cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
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# Default emulators to build (all of them! ;)
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if (NOT DEFINED USE_GME_AY)
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SET(USE_GME_AY 1 CACHE BOOL "Enable support for Spectrum ZX music emulation")
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endif()
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if (NOT DEFINED USE_GME_GBS)
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SET(USE_GME_GBS 1 CACHE BOOL "Enable support for Game Boy music emulation")
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endif()
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if (NOT DEFINED USE_GME_GYM)
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SET(USE_GME_GYM 1 CACHE BOOL "Enable Sega MegaDrive/Genesis music emulation")
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endif()
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if (NOT DEFINED USE_GME_HES)
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SET(USE_GME_HES 1 CACHE BOOL "Enable PC Engine/TurboGrafx-16 music emulation")
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endif()
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if (NOT DEFINED USE_GME_KSS)
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SET(USE_GME_KSS 1 CACHE BOOL "Enable MSX or other Z80 systems music emulation")
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endif()
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if (NOT DEFINED USE_GME_NSF)
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SET(USE_GME_NSF 1 CACHE BOOL "Enable NES NSF music emulation")
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endif()
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if (NOT DEFINED USE_GME_NSFE)
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SET(USE_GME_NSFE 1 CACHE BOOL "Enable NES NSFE and NSF music emulation")
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endif()
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if (NOT DEFINED USE_GME_SAP)
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SET(USE_GME_SAP 1 CACHE BOOL "Enable Atari SAP music emulation")
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endif()
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if (NOT DEFINED USE_GME_SPC)
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SET(USE_GME_SPC 1 CACHE BOOL "Enable SNES SPC music emulation")
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endif()
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if (NOT DEFINED USE_GME_VGM)
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SET(USE_GME_VGM 1 CACHE BOOL "Enable Sega VGM/VGZ music emulation")
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endif()
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if (USE_GME_NSFE AND NOT USE_GME_NSF)
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MESSAGE(" -- NSFE support requires NSF, enabling NSF support. --")
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SET(USE_GME_NSF 1 CACHE BOOL "Enable NES NSF music emulation" FORCE)
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endif()
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# Check for GCC "visibility" support.
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if (CMAKE_COMPILER_IS_GNUCXX)
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check_cxx_compiler_flag (-fvisibility=hidden __LIBGME_TEST_VISIBILITY)
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set (ENABLE_VISIBILITY OFF)
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if (__LIBGME_TEST_VISIBILITY)
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# get the gcc version
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exec_program(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE _gcc_version_info)
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string (REGEX MATCH "[3-9]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
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# gcc <4.1 had poor support for symbol visibility
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if ((${_gcc_version} VERSION_GREATER "4.1") OR (${_gcc_version} VERSION_EQUAL "4.1"))
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
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set (ENABLE_VISIBILITY ON)
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add_definitions (-DLIBGME_VISIBILITY)
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# GCC >= 4.2 also correctly supports making inline members have hidden
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# visibility by default.
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if ((${_gcc_version} VERSION_GREATER "4.2") OR (${_gcc_version} VERSION_EQUAL "4.2"))
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden")
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endif()
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endif()
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endif() # test visibility
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endif (CMAKE_COMPILER_IS_GNUCXX)
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# Cache this result
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set( LIBGME_HAVE_GCC_VISIBILITY ${ENABLE_VISIBILITY} CACHE BOOL "GCC support for hidden visibility")
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# Shared library defined here
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add_subdirectory(gme)
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# EXCLUDE_FROM_ALL adds build rules but keeps it out of default build
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add_subdirectory(player EXCLUDE_FROM_ALL)
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add_subdirectory(demo EXCLUDE_FROM_ALL)
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