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	enable support for using the system portaudio library. The latter also corrects a long standing bug that prevented using config.status to regenerate src/Makefile. As a result of the above, I've taken Benjamin's *_LOCAL_CONFIGURE_ARGS idea and propagated its usage to the other place where ac_configure_args was being set directly. Removed old stuff from lib-src/Makefile.in and made the library locations for portaudio and portmixer like the rest (a symlink in lib-src). Reworked portmixer's configure.ac to properly detect host apis.
		
			
				
	
	
		
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			57 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
dnl Please increment the serial number below whenever you alter this macro
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dnl for the benefit of automatic macro update systems
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# audacity_checklib_portaudio.m4 serial 1
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AC_DEFUN([AUDACITY_CHECKLIB_PORTAUDIO], [
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   AC_ARG_WITH(portaudio,
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               [AS_HELP_STRING([--with-portaudio], [use portaudio19])],
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               PORTAUDIO_ARGUMENT=$withval,
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               PORTAUDIO_ARGUMENT="unspecified")
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   dnl see if portaudio is installed on the system
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   PKG_CHECK_MODULES(PORTAUDIO, portaudio-2.0 >= 19,
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                     portaudio_available_system="yes",
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                     portaudio_available_system="no")
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   if test "x$portaudio_available_system" = "xyes" ; then
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      AC_EGREP_HEADER([Pa_GetStreamHostApiType], [portaudio.h],
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                      [have_portaudio_support=yes], [have_portaudio_support=no])
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      if test "x$have_portaudio_support" = "xyes" ; then
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         PORTAUDIO_SYSTEM_AVAILABLE="yes"
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         PORTAUDIO_SYSTEM_LIBS=$PORTAUDIO_LIBS
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         PORTAUDIO_SYSTEM_CXXFLAGS=$PORTAUDIO_CFLAGS
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         AC_MSG_NOTICE([portaudio19 library is available as system library])
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      else
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         PORTAUDIO_SYSTEM_AVAILABLE="no"
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         AC_MSG_NOTICE([portaudio19 library is available as system library, but does not have the Pa_GetStreamHostApiType function.])
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      fi
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   else
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      PORTAUDIO_SYSTEM_AVAILABLE="no"
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      AC_MSG_NOTICE([portaudio19 library is NOT available as system library])
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   fi
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   dnl see if portaudio is available locally
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   AC_CHECK_FILE(${srcdir}/lib-src/portaudio-v19/include/portaudio.h,
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                 portaudio_h_found="yes",
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                 portaudio_h_found="no")
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   if test "x$portaudio_h_found" = "xyes" ; then
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      PORTAUDIO_LOCAL_AVAILABLE="yes"
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      PORTAUDIO_LOCAL_LIBS="libportaudio.a"
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      PORTAUDIO_LOCAL_CXXFLAGS='-I$(top_srcdir)/lib-src/portaudio-v19/include'
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      dnl set up configuring portaudio
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      PORTAUDIO_LOCAL_CONFIG_SUBDIRS="lib-src/portaudio-v19"
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      PORTAUDIO_LOCAL_CONFIGURE_ARGS="--with-pa-include=../portaudio-v19/include"
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      AC_MSG_NOTICE([portaudio19 library is available in the local tree])
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   else
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      PORTAUDIO_LOCAL_AVAILABLE="no"
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      AC_MSG_NOTICE([portaudio19 library is NOT available in the local tree])
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   fi
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])
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