dnl Process this file with autoconf to produce a configure script.
AC_INIT(kernel/toi.cc)
AC_CONFIG_HEADER(conf.h)

AC_ARG_WITH(sophya, [  --with-sophya           Compile and link with SOPHYA],
	use_sophya=1, use_sophya=0)

AC_SUBST(use_sophya)

if test `uname` = OSF1 -a -z "$CXX"; then
  if test -x /usr/bin/cxx; then
    echo "using cxx on alpha"
    CXX=cxx
    export CXX
  fi
fi

AC_PROG_CC
AC_PROG_CXX

AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(float)
AC_CHECK_SIZEOF(double)
AC_CHECK_SIZEOF(long double)

dnl look for cfitsio include and cfitsio library
dnl if installed in /usr/local, nothing to do

AC_MSG_CHECKING("for cfitsio lib")
MACHDIR=`uname`-$CXX
if test -f $ARCHBASEREP/$MACHDIR/Libs/libcfitsio.a; then
  cfitslibdir='-L$(ARCHBASEREP)/$(MACHDIR)/Libs'
elif test -f $CFITSIOLIBDIR/$MACHDIR/Libs/libcfitsio.a; then
  cfitslibdir='-L$(CFITSIOLIBDIR)/$(MACHDIR)/Libs'
elif test -f $CFITSIOLIBDIR/$MACHDIR/libcfitsio.a; then
  cfitslibdir='-L$(CFITSIOLIBDIR)/$(MACHDIR)'
elif test -f $CFITSIOLIBDIR/`uname`/lib/libcfitsio.a; then
  cfitslibdir='-L$(CFITSIOLIBDIR)/'`uname`/lib
elif test -f $CFITSIOLIBDIR/`uname`/libcfitsio.a; then
  cfitslibdir='-L$(CFITSIOLIBDIR)/'`uname`
elif test -f $CFITSIOLIBDIR/libcfitsio.a; then
  cfitslibdir='-L$(CFITSIOLIBDIR)'
elif test -f $CFITSIODIR/libcfitsio.a; then
  cfitslibdir='-L$(CFITSIODIR)'
elif test -f /usr/local/lib/libcfitsio.a; then
  cfitslibdir=""
else 
  AC_MSG_ERROR("Cannot find cfitsio library")
fi
AC_MSG_RESULT($cfitslibdir)
AC_SUBST(cfitslibdir)

AC_MSG_CHECKING("for cfitsio includes")
if test -f $CFITSIODIR/fitsio.h; then
  cfitsincdir='-I$(CFITSIODIR)'
elif test -f /usr/local/include/fitsio.h; then
  cfitsincdir=""
else
  AC_MSG_ERROR("Cannot find cfitsio include fitsio.h")
fi
AC_MSG_RESULT($cfitsincdir)
AC_SUBST(cfitsincdir)

dnl Checks for libraries.
dnl AC_CHECK_LIB(cfitsio, ffread,,AC_MSG_ERROR("Cannot find cfitsio library"))
AC_CHECK_LIB(m, sin)

dnl Checks for header files.
AC_HEADER_STDC

outfiles="Makefile kernel/Makefile processors/Makefile pipes/Makefile"
if [[ $use_sophya = 1 ]]; then
  outfiles="$outfiles sophya/Makefile"
fi

AC_OUTPUT($outfiles)