AC_INIT()

AM_INIT_AUTOMAKE(CalcServer, 1.8, no-define)

AM_SANITY_CHECK

## gfortran v10 does not like some of this heritage code
## the following test adds a flag to reduce many "errors"
## to "warnings" but there are still a few left...
AC_LANG(Fortran)
AC_PROG_F77(gfortran)
# test for gfortran -fallow-argument-mismatch option
AC_LANG_ASSERT(Fortran)
ac_fc_aam_FFLAGS_save=$FFLAGS
FFLAGS="$ac_fc_aam_FFLAGS_save -fallow-argument-mismatch"
AC_COMPILE_IFELSE([[
      program junk
      end
]], [AC_MSG_NOTICE([FC accepts -fallow-argument-mismatch])],
[FFLAGS="$ac_fc_aam_FFLAGS_save";
AC_MSG_WARN([FC does not accept -fallow-argument-mismatch])])
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext

AC_LANG(C)
AC_PROG_CC
AC_LANG_ASSERT(C)
AM_PROG_LIBTOOL
AC_CHECK_LIB(m, sin,,)

# rpc functionality was dropped from some flavors of linux;
# tirpc provides the same API
PKG_CHECK_MODULES(TIRPC, libtirpc,
    [AC_MSG_NOTICE(libtirpc will be used in place of the traditional rpc)],
    [AC_MSG_NOTICE(libtirpc was not found and this is not a problem unless);
     AC_MSG_NOTICE(you are using a system that has no traditional rpc.)])
CPPFLAGS="${CPPFLAGS} ${TIRPC_CFLAGS}"
LIBS="${LIBS} ${TIRPC_LIBS}"

AC_OUTPUT(Makefile \
	startCalcServer \
	src/Makefile \
	calc9.1/Makefile \
	init.d/calcserver \
	systemd/calcserver.service \
	data/Makefile
)