383 lines
12 KiB
CMake
383 lines
12 KiB
CMake
# CMake build file list for OpenAL
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CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
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IF(COMMAND CMAKE_POLICY)
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CMAKE_POLICY(SET CMP0003 NEW)
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ENDIF(COMMAND CMAKE_POLICY)
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INCLUDE(CheckFunctionExists)
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INCLUDE(CheckLibraryExists)
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INCLUDE(CheckIncludeFile)
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INCLUDE(CheckIncludeFiles)
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INCLUDE(CheckCCompilerFlag)
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INCLUDE(CheckCSourceCompiles)
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INCLUDE(CheckTypeSize)
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PROJECT(OpenAL C)
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SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
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OPTION(ALSA "Check for ALSA backend" ON)
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OPTION(OSS "Check for OSS backend" ON)
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OPTION(SOLARIS "Check for Solaris backend" ON)
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OPTION(DSOUND "Check for DirectSound backend" ON)
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OPTION(WINMM "Check for Windows Multimedia backend" ON)
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OPTION(DLOPEN "Check for the dlopen API for loading optional libs" ON)
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OPTION(WERROR "Treat compile warnings as errors" OFF)
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OPTION(EXAMPLES "Build example programs" ON)
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IF(WIN32)
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SET(LIBNAME openal32)
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ELSE()
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SET(LIBNAME openal)
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ENDIF()
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SET(LIB_MAJOR_VERSION "1")
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SET(LIB_MINOR_VERSION "5")
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SET(LIB_BUILD_VERSION "304")
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SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_BUILD_VERSION}")
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IF(NOT DEFINED LIB_INSTALL_DIR)
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SET(LIB_INSTALL_DIR "lib")
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ENDIF(NOT DEFINED LIB_INSTALL_DIR)
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CHECK_TYPE_SIZE("long" SIZEOF_LONG)
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CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
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CHECK_TYPE_SIZE("unsigned int" SIZEOF_UINT)
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CHECK_TYPE_SIZE("void*" SIZEOF_VOIDP)
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# Add definitions, compiler switches, etc.
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INCLUDE_DIRECTORIES(OpenAL32/Include include "${OpenAL_BINARY_DIR}")
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IF(NOT CMAKE_BUILD_TYPE)
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SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
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"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
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FORCE)
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ENDIF()
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IF(MSVC)
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# ???
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SET(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -D_DEBUG")
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SET(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -DNDEBUG")
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SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
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SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
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ELSE()
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ADD_DEFINITIONS(-Wall)
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CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
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IF("${HAVE_W_EXTRA}")
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ADD_DEFINITIONS(-Wextra)
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ENDIF()
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IF(WERROR)
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ADD_DEFINITIONS(-Werror)
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ENDIF()
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SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O2 -funroll-loops -D_DEBUG" CACHE STRING
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"Flags used by the compiler during Release with Debug Info builds."
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FORCE)
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SET(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG" CACHE STRING
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"Flags used by the compiler during release minsize builds."
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FORCE)
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SET(CMAKE_C_FLAGS_RELEASE "-O2 -funroll-loops -fomit-frame-pointer -DNDEBUG" CACHE STRING
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"Flags used by the compiler during release builds"
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FORCE)
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SET(CMAKE_C_FLAGS_DEBUG "-g3 -D_DEBUG" CACHE STRING
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"Flags used by the compiler during debug builds."
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FORCE)
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# Set visibility options if available
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IF(NOT WIN32)
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CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
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int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
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CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_SWITCH)
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IF("${HAVE_VISIBILITY_SWITCH}")
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CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
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int main() {return 0;}" HAVE_GCC_VISIBILITY)
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IF("${HAVE_GCC_VISIBILITY}")
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ADD_DEFINITIONS(-fvisibility=hidden -DHAVE_GCC_VISIBILITY)
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ENDIF()
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ENDIF()
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ENDIF()
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ENDIF()
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CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
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CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
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CHECK_LIBRARY_EXISTS(m sqrtf "" HAVE_SQRTF)
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CHECK_LIBRARY_EXISTS(m acosf "" HAVE_ACOSF)
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IF(HAVE_FENV_H)
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CHECK_LIBRARY_EXISTS(m fesetround "" HAVE_FESETROUND)
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ENDIF()
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IF(HAVE_SQRTF OR HAVE_ACOSF OR HAVE_FESETROUND)
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SET(EXTRA_LIBS m ${EXTRA_LIBS})
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ENDIF()
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CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
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CHECK_FUNCTION_EXISTS(_controlfp HAVE__CONTROLFP)
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CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
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IF(NOT HAVE_STRCASECMP)
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CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
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IF(NOT HAVE__STRICMP)
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MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
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ENDIF()
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ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
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ENDIF()
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CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
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IF(NOT HAVE_STRNCASECMP)
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CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
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IF(NOT HAVE__STRNICMP)
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MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
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ENDIF()
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ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
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ENDIF()
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CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
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IF(NOT HAVE_SNPRINTF)
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CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
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IF(NOT HAVE__SNPRINTF)
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MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
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ENDIF()
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ADD_DEFINITIONS(-Dsnprintf=_snprintf)
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ENDIF()
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# Check for the dlopen API (for dynamicly loading backend libs)
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IF(DLOPEN)
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CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
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IF(HAVE_DLFCN_H)
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CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
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IF(HAVE_LIBDL)
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SET(EXTRA_LIBS dl ${EXTRA_LIBS})
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ENDIF()
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ENDIF()
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ENDIF()
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# Check if we have Windows headers
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CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0500)
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IF(NOT HAVE_WINDOWS_H)
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CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
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IF(NOT HAVE_GETTIMEOFDAY)
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MESSAGE(FATAL_ERROR "No timing function found!")
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ENDIF()
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CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
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IF(NOT HAVE_NANOSLEEP)
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MESSAGE(FATAL_ERROR "No sleep function found!")
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ENDIF()
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# We need pthreads outside of Windows
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CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
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IF(NOT HAVE_PTHREAD_H)
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MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
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ENDIF()
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# Some systems need pthread_np.h to get recursive mutexes
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CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
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# _GNU_SOURCE is needed on some systems for extra attributes, and
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# _REENTRANT is needed for libc thread-safety
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ADD_DEFINITIONS(-D_GNU_SOURCE=1 -D_REENTRANT)
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CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
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IF(HAVE_LIBPTHREAD)
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SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
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ENDIF()
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ENDIF()
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# Check for a 64-bit type
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CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
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IF(NOT HAVE_STDINT_H)
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IF(HAVE_WINDOWS_H)
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CHECK_C_SOURCE_COMPILES("\#define _WIN32_WINNT 0x0500
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\#include <windows.h>
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__int64 foo;
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int main() {return 0;}" HAVE___INT64)
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ENDIF()
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IF(NOT HAVE___INT64)
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IF(NOT SIZEOF_LONG MATCHES "8")
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IF(NOT SIZEOF_LONG_LONG MATCHES "8")
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MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
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ENDIF()
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ENDIF()
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ENDIF()
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ENDIF()
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SET(OPENAL_OBJS OpenAL32/alAuxEffectSlot.c
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OpenAL32/alBuffer.c
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OpenAL32/alEffect.c
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OpenAL32/alError.c
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OpenAL32/alExtension.c
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OpenAL32/alFilter.c
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OpenAL32/alListener.c
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OpenAL32/alSource.c
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OpenAL32/alState.c
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OpenAL32/alThunk.c
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)
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SET(ALC_OBJS Alc/ALc.c
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Alc/ALu.c
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Alc/alcConfig.c
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Alc/alcRing.c
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Alc/alcThread.c
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Alc/bs2b.c
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Alc/wave.c
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)
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SET(BACKENDS "")
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# Check ALSA backend
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IF(ALSA)
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CHECK_INCLUDE_FILE(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)
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IF(HAVE_ALSA_ASOUNDLIB_H)
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CHECK_LIBRARY_EXISTS(asound snd_pcm_open "" HAVE_LIBASOUND)
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IF(HAVE_DLFCN_H OR HAVE_LIBASOUND)
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SET(HAVE_ALSA 1)
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SET(ALC_OBJS ${ALC_OBJS} Alc/alsa.c)
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IF(HAVE_DLFCN_H)
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SET(BACKENDS "${BACKENDS} ALSA,")
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ELSE()
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SET(BACKENDS "${BACKENDS} ALSA \(linked\),")
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SET(EXTRA_LIBS asound ${EXTRA_LIBS})
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ENDIF()
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ENDIF()
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ENDIF()
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ENDIF()
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# Check OSS backend
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IF(OSS)
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CHECK_INCLUDE_FILE(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
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IF(HAVE_SYS_SOUNDCARD_H)
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SET(HAVE_OSS 1)
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SET(ALC_OBJS ${ALC_OBJS} Alc/oss.c)
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SET(BACKENDS "${BACKENDS} OSS,")
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ENDIF()
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ENDIF()
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# Check Solaris backend
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IF(SOLARIS)
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CHECK_INCLUDE_FILE(sys/audioio.h HAVE_SYS_AUDIOIO_H)
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IF(HAVE_SYS_AUDIOIO_H)
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SET(HAVE_SOLARIS 1)
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SET(ALC_OBJS ${ALC_OBJS} Alc/solaris.c)
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SET(BACKENDS "${BACKENDS} Solaris,")
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ENDIF()
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ENDIF()
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# Check DSound/MMSystem backend
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IF(HAVE_WINDOWS_H)
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IF(DSOUND)
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CHECK_INCLUDE_FILE(dsound.h HAVE_DSOUND_H)
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IF(HAVE_DSOUND_H)
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SET(HAVE_DSOUND 1)
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SET(ALC_OBJS ${ALC_OBJS} Alc/dsound.c)
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SET(BACKENDS "${BACKENDS} DirectSound,")
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SET(CMAKE_REQUIRED_LIBRARIES dsound)
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CHECK_C_SOURCE_COMPILES("int main() {return 0;}" HAVE_LIBDSOUND)
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SET(CMAKE_REQUIRED_LIBRARIES "")
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# CHECK_LIBRARY_EXISTS(dsound DirectSoundCreate "" HAVE_LIBDSOUND)
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IF(HAVE_LIBDSOUND)
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SET(EXTRA_LIBS dsound ${EXTRA_LIBS})
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ENDIF()
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ENDIF()
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ENDIF()
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IF(WINMM)
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CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0500)
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IF(HAVE_MMSYSTEM_H)
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SET(HAVE_WINMM 1)
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SET(ALC_OBJS ${ALC_OBJS} Alc/winmm.c)
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SET(BACKENDS "${BACKENDS} WinMM,")
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SET(CMAKE_REQUIRED_LIBRARIES winmm)
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CHECK_C_SOURCE_COMPILES("int main() {return 0;}" HAVE_LIBWINMM)
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SET(CMAKE_REQUIRED_LIBRARIES "")
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# CHECK_LIBRARY_EXISTS(winmm waveInOpen "" HAVE_LIBWINMM)
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IF(HAVE_LIBWINMM)
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SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
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ENDIF()
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ENDIF()
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ENDIF()
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ENDIF()
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# This is always available
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SET(BACKENDS "${BACKENDS} WaveFile")
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# Needed for openal.pc.in
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SET(prefix ${CMAKE_INSTALL_PREFIX})
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SET(exec_prefix "\${prefix}")
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SET(libdir "\${exec_prefix}/${LIB_INSTALL_DIR}")
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SET(bindir "\${exec_prefix}/bin")
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SET(includedir "\${prefix}/include")
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SET(PACKAGE_VERSION "${LIB_VERSION}")
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# End configuration
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CONFIGURE_FILE(
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"${OpenAL_SOURCE_DIR}/config.h.in"
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"${OpenAL_BINARY_DIR}/config.h")
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CONFIGURE_FILE(
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"${OpenAL_SOURCE_DIR}/admin/pkgconfig/openal.pc.in"
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"${OpenAL_BINARY_DIR}/admin/pkgconfig/openal.pc"
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@ONLY)
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ADD_DEFINITIONS(-DAL_BUILD_LIBRARY)
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# Build a library
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IF(NOT LIBTYPE)
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SET(LIBTYPE SHARED)
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ENDIF()
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ADD_LIBRARY(${LIBNAME} ${LIBTYPE} ${OPENAL_OBJS} ${ALC_OBJS})
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SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES VERSION ${LIB_VERSION}
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SOVERSION ${LIB_MAJOR_VERSION})
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IF(WIN32)
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SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
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ENDIF()
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TARGET_LINK_LIBRARIES(${LIBNAME} ${EXTRA_LIBS})
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# Add an install target here
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INSTALL(TARGETS ${LIBNAME}
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION ${LIB_INSTALL_DIR}
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ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
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)
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INSTALL(FILES include/AL/al.h
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include/AL/alc.h
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include/AL/alext.h
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DESTINATION include/AL
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)
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INSTALL(FILES "${OpenAL_BINARY_DIR}/admin/pkgconfig/openal.pc"
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DESTINATION lib/pkgconfig)
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IF(EXAMPLES)
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ADD_EXECUTABLE(openal-info examples/openal-info.c)
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TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
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INSTALL(TARGETS openal-info
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION ${LIB_INSTALL_DIR}
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ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
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)
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ENDIF()
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MESSAGE(STATUS "")
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MESSAGE(STATUS "Building OpenAL with support for the following backends:")
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MESSAGE(STATUS " ${BACKENDS}")
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MESSAGE(STATUS "")
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IF(WIN32 AND NOT HAVE_DSOUND)
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MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
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MESSAGE(STATUS " This is probably NOT what you want!")
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MESSAGE(STATUS "")
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ENDIF()
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