AC_INIT([vex2difx], [2.2.0], [Walter Brisken <wbrisken@nrao.edu>])
AM_CONFIG_HEADER([config.h])

AC_C_BIGENDIAN

AM_INIT_AUTOMAKE

AC_PROG_CC
AC_PROG_CPP
AC_PROG_LIBTOOL
AC_PROG_YACC
AM_PROG_LEX
AM_SANITY_CHECK
AC_PROG_CXX

AM_SANITY_CHECK

AC_CHECK_LIB(m, erf,,[AC_MSG_ERROR("need libm")])

PKG_CHECK_MODULES(DIFXIO, difxio >= 3.2.0)
PKG_CHECK_MODULES(DIFXMESSAGE, [difxmessage >= 2.2.0 difxmessage < 7])
PKG_CHECK_MODULES(GPSTK, gpstk, [hasgpstk=true], [hasgpstk=false])
if test "$hasgpstk" == "true"; then
	AC_DEFINE([HAVE_GPSTK], 1, [1=has GPSTK])
fi
AM_CONDITIONAL(WITH_GPSTK, $hasfftw)

LIBS="${LEXLIB} ${LIBS} ${DIFXIO_LIBS} ${GPSTK_LIBS}"
CFLAGS="${CFLAGS} ${DIFXIO_CFLAGS} ${DIFXMESSAGE_CFLAGS} ${GPSTK_CFLAGS}"
CXXFLAGS="${CFLAGS}"

AC_OUTPUT([ \
	Makefile \
	vex/Makefile \
	vex/vex.pc \
	src/Makefile \
	utilities/Makefile \
])