annotate configure.ac @ 354:e85513153c71

Initialise rate to 0. Otherwise there's a danger plugins will change the SampleType (e.g. to VariableSampleRate) but not set the rate because they don't think they need it (when in fact it needs to be set to 0)

AC_INIT(vamp-plugin-sdk, 2.5, [e-mail])

AC_CONFIG_SRCDIR(vamp/vamp.h)
AC_PROG_CXX
AC_HEADER_STDC
AC_C_BIGENDIAN

if pkg-config --modversion vamp-sdk >/dev/null 2>&1; then
  echo "WARNING: A version of the Vamp plugin SDK is already installed."
  echo "         Expect worries and sorrows if you install a new version"
  echo "         without removing the old one first.  (Continuing)"
fi

AC_SEARCH_LIBS([dlopen],[dl])

dnl See if the user wants to build programs, or just the SDK
AC_ARG_ENABLE(programs,	[AS_HELP_STRING([--enable-programs],
	[enable building of example host and RDF generator [default=yes]])],
	PROGS_ARGUMENT=$enableval,
	PROGS_ARGUMENT="yes")

dnl if the user wants progs, then we need to check for libsndfile
if test "x$PROGS_ARGUMENT" = "xyes" ; then 
	PKG_CHECK_MODULES([SNDFILE],[sndfile],have_sndfile="yes",have_sndfile="no")
	if test "x$have_sndfile" = "xyes" ; then
		dnl all good, build everything
		TARGETS="sdk plugins host rdfgen test"
	else
		dnl no libsndfile - can't build host!
		AC_MSG_ERROR([libsndfile not found - cannot build example Vamp host!
If you don't want to build the host, configure with --disable-programs.])
	fi
else
	dnl user didn't want programs - so we won't build them
	TARGETS="sdk plugins"
fi

AC_SUBST(SNDFILE_CFLAGS)
AC_SUBST(SNDFILE_LIBS)
AC_SUBST(TARGETS)

changequote(,)dnl
if test "x$GCC" = "xyes"; then
  case " $CXXFLAGS " in
    *[\ \	]-fPIC\ -Wall[\ \	]*) ;;
    *) CXXFLAGS="$CXXFLAGS -fPIC -Wall" ;;
  esac
fi
changequote([,])dnl

AC_SUBST(CXXFLAGS)
AC_OUTPUT([Makefile])