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dnl Todo: add Vamp / Audacity license?
dnl Please increment the serial number below whenever you alter this macro
dnl for the benefit of automatic macro update systems
# audacity_checklib_libvamp.m4 serial 2
dnl Check for system copy of libvamp we can use for Vamp plug-in support
AC_DEFUN([AUDACITY_CHECKLIB_LIBVAMP], [
AC_ARG_WITH(libvamp,
[AS_HELP_STRING([--with-libvamp],
[use libvamp for Vamp plug-in support [default=yes]])],
LIBVAMP_ARGUMENT=$withval,
LIBVAMP_ARGUMENT="unspecified")
if false ; then
AC_DEFINE(USE_VAMP, 1,
[Define if Vamp analysis plugin support should be enabled])
fi
dnl System may include Vamp headers and library, though we prefer local ones
PKG_CHECK_MODULES(VAMP, vamp-hostsdk >= 2.0,
vamp_available_system="yes",
vamp_available_system="no")
if test "x$vamp_available_system" = "xyes" ; then
LIBVAMP_SYSTEM_AVAILABLE="yes"
LIBVAMP_SYSTEM_LIBS=$VAMP_LIBS
LIBVAMP_SYSTEM_CXXFLAGS=$VAMP_CFLAGS
dnl still need these local objects for the support in audacity
LIBVAMP_SYSTEM_OPTOBJS="effects/vamp/VampEffect.o effects/vamp/LoadVamp.o"
LIBVAMP_SYSTEM_CPPSYMBOLS="USE_VAMP"
AC_MSG_NOTICE([Vamp libraries are available as system libraries])
else
LIBVAMP_SYSTEM_AVAILABLE="no"
AC_MSG_NOTICE([Vamp libraries are NOT available as system libraries])
fi
dnl see if Vamp is available locally
AC_CHECK_FILE(${srcdir}/lib-src/libvamp/vamp-hostsdk/PluginLoader.h,
vamp_h_found="yes",
vamp_h_found="no")
if test "x$vamp_h_found" = "xyes" ; then
LIBVAMP_LOCAL_AVAILABLE="yes"
dnl Add vamp to the list of things to build in lib-src
LIBVAMP_LOCAL_BUILD="vamp-sdk"
dnl compiler and linker flags
LIBVAMP_LOCAL_CXXFLAGS='-I$(top_srcdir)/lib-src/libvamp'
LIBVAMP_LOCAL_LDFLAGS='-L$(top_builddir)/lib-src/libvamp/src -lvamp-hostsdk'
dnl add some extra object files we can build
LIBVAMP_LOCAL_OPTOBJS="effects/vamp/VampEffect.o effects/vamp/LoadVamp.o"
dnl define a pre-processor symbol to tell other code that the vamp host
dnl SDK is available
LIBVAMP_LOCAL_CPPSYMBOLS="USE_VAMP"
dnl schedule the directory to be configured
LIBVAMP_LOCAL_CONFIG_SUBDIRS="lib-src/libvamp"
dnl do not build programs we don't need
LIBVAMP_LOCAL_CONFIGURE_ARGS="--disable-programs"
AC_MSG_NOTICE([Vamp libraries are available in the local tree])
else
LIBVAMP_LOCAL_AVAILABLE="no"
AC_MSG_NOTICE([Vamp libraries are NOT available in the local tree])
fi
])
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