audacia/m4/audacity_checklib_libvamp.m4

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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 3
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=$withval,
LIBVAMP_ARGUMENT="unspecified")
dnl System may include Vamp headers and library, though we prefer local ones
PKG_CHECK_MODULES(VAMP, vamp-hostsdk >= 2.0,
LIBVAMP_SYSTEM_AVAILABLE="yes",
LIBVAMP_SYSTEM_AVAILABLE="no")
if test "$LIBVAMP_SYSTEM_AVAILABLE" = "yes"; then
AC_MSG_NOTICE([Vamp libraries are available as system libraries])
else
AC_MSG_NOTICE([Vamp libraries are NOT available as system libraries])
fi
dnl see if Vamp is available locally
AC_CHECK_FILE(${srcdir}/lib-src/libvamp/vamp-hostsdk/PluginLoader.h,
LIBVAMP_LOCAL_AVAILABLE="yes",
LIBVAMP_LOCAL_AVAILABLE="no")
if test "$LIBVAMP_LOCAL_AVAILABLE" = "yes"; then
LIBVAMP_LOCAL_CONFIGURE_ARGS="--disable-programs"
AC_MSG_NOTICE([Vamp libraries are available in the local tree])
else
AC_MSG_NOTICE([Vamp libraries are NOT available in the local tree])
fi
])
AC_DEFUN([AUDACITY_CONFIG_LIBVAMP], [
if test "$LIBVAMP_USE_LOCAL" = yes; then
VAMP_CFLAGS='-I$(top_srcdir)/lib-src/libvamp'
VAMP_LIBS='$(top_builddir)/lib-src/libvamp/libvamp-hostsdk.a'
AC_CONFIG_SUBDIRS([lib-src/libvamp])
fi
AC_SUBST([VAMP_CFLAGS])
AC_SUBST([VAMP_LIBS])
AM_CONDITIONAL([USE_VAMP], [test "$LIBVAMP_USE_LOCAL" = yes -o "$LIBVAMP_USE_SYSTEM" = yes])
AM_CONDITIONAL([USE_LOCAL_VAMP], [test "$LIBVAMP_USE_LOCAL" = yes])
if test "$LIBVAMP_USE_LOCAL" = yes -o "$LIBVAMP_USE_SYSTEM" = yes; then
AC_DEFINE(USE_VAMP, 1,
[Define if Vamp analysis plugin support should be enabled])
fi
])