dnl Process this file with autoconf to produce a configure script.

m4_ifdef([HAS_TOP],[m4_ignore],[   
AC_INIT(install-sh)
AC_PREREQ([2.50])
AC_CONFIG_HEADER(config.h)
])

AC_SUBST(REAL_INCLUDES)
AC_SUBST(REAL_LIBS)
AC_SUBST(REAL_TARGET)

m4_ifdef([HAS_TOP],[m4_ignore],[   m4_include([../ac_swi_c.m4])  ])

AC_CHECK_PROGS(REXE, R, "none")
if test $REXE = none; then
  REAL_TARGET="dummy"
else
  REAL_TARGET="ritf"
  REAL_INCLUDES="$($REXE CMD config --cppflags | grep -v ^WARNING)"
  REAL_LIBS="$($REXE CMD config --ldflags | grep -v ^WARNING)"

  ocppflags="$CPPFLAGS"
  ocflags="$CFLAGS"
  CPPFLAGS+=" $REAL_INCLUDES"
  CFLAGS+=" $REAL_INCLUDES"

  AC_CHECK_HEADERS(Rinterface.h)

  CFLAGS="$ocflags"
  CPPFLAGS="$ocppflags"
fi

m4_ifdef([HAS_TOP],[m4_ignore], [AC_OUTPUT(Makefile)])