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audacity/m4/audacity_checklib_libtwolame.m4
lllucius 15eef6421e Applying 2 of Benjamin's patches to add an autogen script and to
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.
2011-03-30 16:14:51 +00:00

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dnl add Audacity / Twolame license ?
dnl Please increment the serial number below whenever you alter this macro
dnl for the benefit of automatic macro update systems
# audacity_checklib_libtwolame.m4 serial 1
AC_DEFUN([AUDACITY_CHECKLIB_LIBTWOLAME], [
AC_ARG_WITH(libtwolame,
[AS_HELP_STRING([--with-libtwolame],
[use libtwolame for MP2 export support ])],
LIBTWOLAME_ARGUMENT=$withval,
LIBTWOLAME_ARGUMENT="unspecified")
if false ; then
AC_DEFINE(USE_LIBTWOLAME, 1,
[Define if libtwolame (MP2 export) support should be enabled])
fi
dnl Check for a system copy of libtwolame to use, which needs to be
dnl pretty current to work
PKG_CHECK_MODULES(LIBTWOLAME, twolame >= 0.3.9,
twolame_available_system="yes",
twolame_available_system="no")
if test "x$twolame_available_system" = "xyes" ; then
LIBTWOLAME_SYSTEM_AVAILABLE="yes"
LIBTWOLAME_SYSTEM_LIBS=$LIBTWOLAME_LIBS
LIBTWOLAME_SYSTEM_CXXFLAGS=$LIBTWOLAME_CFLAGS
LIBTWOLAME_SYSTEM_CPPSYMBOLS="USE_LIBTWOLAME"
AC_MSG_NOTICE([Libtwolame library available as system library])
else
LIBTWOLAME_SYSTEM_AVAILABLE="no"
AC_MSG_NOTICE([Libtwolame library NOT available as system library])
fi
dnl see if libtwolame is available locally
AC_CHECK_FILE(${srcdir}/lib-src/twolame/libtwolame/twolame.h,
twolame_h_found="yes",
twolame_h_found="no")
if test "x$twolame_h_found" = "xyes" ; then
LIBTWOLAME_LOCAL_AVAILABLE="yes"
LIBTWOLAME_LOCAL_LIBS="libtwolame.a"
LIBTWOLAME_LOCAL_CXXFLAGS='-I$(top_srcdir)/lib-src/twolame/libtwolame'
LIBTWOLAME_LOCAL_CPPSYMBOLS="USE_LIBTWOLAME"
dnl request library is configured
LIBTWOLAME_LOCAL_CONFIG_SUBDIRS="lib-src/twolame"
dnl disable programs we don't need to build
LIBTWOLAME_LOCAL_CONFIGURE_ARGS="--disable-programs"
AC_MSG_NOTICE([libtwolame library is available in the local tree])
else
LIBTWOLAME_LOCAL_AVAILABLE="no"
AC_MSG_NOTICE([libtwolame library is NOT available in the local tree])
fi
])