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			78 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| dnl Add audacity / vorbis license?
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| dnl
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| 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_libvorbis.m4 serial 4
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| 
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| AC_DEFUN([AUDACITY_CHECKLIB_LIBVORBIS], [
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|    AC_ARG_WITH(libvorbis,
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|                [AS_HELP_STRING([--with-libvorbis],
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|                                [use libvorbis for Ogg Vorbis support])],
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|                LIBVORBIS_ARGUMENT=$withval,
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|                LIBVORBIS_ARGUMENT="unspecified")
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| 
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|    dnl See if Vorbis is installed in the system
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| 
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|    PKG_CHECK_MODULES(LIBVORBIS, vorbisenc vorbisfile vorbis ogg,
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|                      LIBVORBIS_SYSTEM_AVAILABLE="yes",
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|                      LIBVORBIS_SYSTEM_AVAILABLE="no")
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|    dnl Have to list the dependent libraries (vorbis and ogg) here because their
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|    dnl symbols are used from Audacity directly, and (in a minimally linked system,
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|    dnl e.g. with LDFLAGS including -Wl,--as-needed and with libtool patched to not
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|    dnl break this) pulling in libraries that use libvorbis does not automagically
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|    dnl cause the libvorbis symbols to be linkable.
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| 
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|    if test "$LIBVORBIS_SYSTEM_AVAILABLE" = "yes"; then
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|       AC_MSG_NOTICE([Vorbis libraries are available as system libraries])
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|    else
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|       AC_MSG_NOTICE([Vorbis libraries are NOT available as system libraries])
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|    fi
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| 
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|    dnl see if Vorbis is available in the source dir
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| 
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|    AC_CHECK_FILE(${srcdir}/lib-src/libvorbis/include/vorbis/vorbisenc.h,
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|                  vorbisenc_h_available="yes",
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|                  vorbisenc_h_available="no")
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| 
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|    AC_CHECK_FILE(${srcdir}/lib-src/libogg/include/ogg/ogg.h,
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|                  ogg_h_available="yes",
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|                  ogg_h_available="no")
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| 
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|    if test "$vorbisenc_h_available" = "yes" -a "$ogg_h_available" = "yes"; then
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|       LIBVORBIS_LOCAL_AVAILABLE="yes"
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| 
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|       dnl We need to override the pkg-config check for libogg by passing
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|       dnl OGG_CFLAGS and OGG_LIBS to the configure script of libvorbis.
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|       libogg_dir="$(pwd)/lib-src/libogg"
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|       LIBVORBIS_LOCAL_CONFIGURE_ARGS="--disable-oggtest OGG_CFLAGS=-I${libogg_dir}/include OGG_LIBS=${libogg_dir}/src/libogg.la"
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| 
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|       dnl libflac needs libogg too. So we need to pass these flags to the
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|       dnl configure script of libflac, because it does not use pkg-config.
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|       LIBVORBIS_LOCAL_CONFIGURE_ARGS="$LIBVORBIS_LOCAL_CONFIGURE_ARGS --with-ogg-includes=${libogg_dir}/include --with-ogg-libraries=${libogg_dir}/src/.libs"
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| 
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|       AC_MSG_NOTICE([Vorbis libraries are available in this source tree])
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|    else
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|       AC_MSG_NOTICE([Vorbis libraries are NOT available in this source tree])
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|    fi
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|    LIBVORBIS_MIMETYPES="application/ogg;audio/x-vorbis+ogg;"
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| ])
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| 
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| AC_DEFUN([AUDACITY_CONFIG_LIBVORBIS], [
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|    if test "$LIBVORBIS_USE_LOCAL" = yes; then
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|       LIBVORBIS_CFLAGS='-I$(top_srcdir)/lib-src/libogg/include -I$(top_srcdir)/lib-src/libvorbis/include'
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|       LIBVORBIS_LIBS='$(top_builddir)/lib-src/libvorbis/lib/libvorbisenc.la $(top_builddir)/lib-src/libvorbis/lib/libvorbisfile.la'
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|       AC_CONFIG_SUBDIRS([lib-src/libogg lib-src/libvorbis])
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|    fi
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| 
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|    AC_SUBST([LIBVORBIS_CFLAGS])
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|    AC_SUBST([LIBVORBIS_LIBS])
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| 
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|    AM_CONDITIONAL([USE_LIBVORBIS], [test "$LIBVORBIS_USE_LOCAL" = yes -o "$LIBVORBIS_USE_SYSTEM" = yes])
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|    AM_CONDITIONAL([USE_LOCAL_LIBVORBIS], [test "$LIBVORBIS_USE_LOCAL" = yes])
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| 
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|    if test "$LIBVORBIS_USE_LOCAL" = yes -o "$LIBVORBIS_USE_SYSTEM" = yes; then
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|       AC_DEFINE(USE_LIBVORBIS, 1,
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|                 [Define if the ogg vorbis decoding library is present])
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|    fi
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| ])
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