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Annotation of hatari/cmake/FindPortAudio.cmake, revision 1.1.1.2

1.1       root        1: #
                      2: # Find the native PORTAUDIO (version 2) includes and library
                      3: #
                      4: #  PORTAUDIO_INCLUDE_DIR  - where to find portaudio.h, etc.
                      5: #  PORTAUDIO_LIBRARY      - List of libraries when using portaudio.
                      6: #  PORTAUDIO_FOUND        - True if portaudio found.
                      7: 
                      8: include(FindPackageHandleStandardArgs)
1.1.1.2 ! root        9: include(CheckSymbolExists)
1.1       root       10: 
                     11: if(PORTAUDIO_INCLUDE_DIR)
                     12:   # Already in cache, be silent
                     13:   set(PORTAUDIO_FIND_QUIETLY TRUE)
                     14: endif(PORTAUDIO_INCLUDE_DIR)
                     15: 
                     16: find_path(PORTAUDIO_INCLUDE_DIR portaudio.h)
                     17: 
                     18: find_library(PORTAUDIO_LIBRARY NAMES portaudio)
                     19: 
                     20: # handle the QUIETLY and REQUIRED arguments and set PORTAUDIO_FOUND to TRUE if 
                     21: # all listed variables are TRUE
                     22: find_package_handle_standard_args(PORTAUDIO DEFAULT_MSG
                     23:                                   PORTAUDIO_LIBRARY PORTAUDIO_INCLUDE_DIR)
                     24: 
                     25: # Check if it's really a portaudio2 installation...
                     26: if(PORTAUDIO_FOUND)
                     27:        set(CMAKE_REQUIRED_LIBRARIES ${PORTAUDIO_LIBRARY})
1.1.1.2 ! root       28:        set(CMAKE_REQUIRED_INCLUDES ${PORTAUDIO_INCLUDE_DIR})
        !            29:        check_symbol_exists(Pa_GetDefaultInputDevice "portaudio.h" HAVE_PA_GETDEFAULTINPUTDEVICE)
1.1       root       30:        if (NOT HAVE_PA_GETDEFAULTINPUTDEVICE)
                     31:                unset (PORTAUDIO_FOUND)
                     32:        endif(NOT HAVE_PA_GETDEFAULTINPUTDEVICE)
1.1.1.2 ! root       33:        set(CMAKE_REQUIRED_INCLUDES "")
1.1       root       34:        set(CMAKE_REQUIRED_LIBRARIES "")
                     35: endif(PORTAUDIO_FOUND)
                     36: 
                     37: mark_as_advanced(PORTAUDIO_LIBRARY PORTAUDIO_INCLUDE_DIR)

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