configure

                break;
        fi

        PTHREAD_LIBS=""
        PTHREAD_CFLAGS=""
done
fi

# Various other checks:
if test "x$acx_pthread_ok" = xyes; then
        save_LIBS="$LIBS"
        LIBS="$PTHREAD_LIBS $LIBS"
        save_CFLAGS="$CFLAGS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"

        # Detect AIX lossage: threads are created detached by default
        # and the JOINABLE attribute has a nonstandard name (UNDETACHED).
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5
$as_echo_n "checking for joinable pthread attribute... " >&6; }
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <pthread.h>
int
main ()
{
int attr=PTHREAD_CREATE_JOINABLE;
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ok=PTHREAD_CREATE_JOINABLE
else
  ok=unknown
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
        if test x"$ok" = xunknown; then
                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <pthread.h>
int
main ()
{
int attr=PTHREAD_CREATE_UNDETACHED;
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ok=PTHREAD_CREATE_UNDETACHED
else
  ok=unknown
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
        fi
        if test x"$ok" != xPTHREAD_CREATE_JOINABLE; then

$as_echo "#define PTHREAD_CREATE_JOINABLE \$ok" >>confdefs.h

        fi
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${ok}" >&5
$as_echo "${ok}" >&6; }
        if test x"$ok" = xunknown; then
                { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: we do not know how to create joinable pthreads" >&5
$as_echo "$as_me: WARNING: we do not know how to create joinable pthreads" >&2;}
        fi

        { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5
$as_echo_n "checking if more special flags are required for pthreads... " >&6; }
        flag=no
        case "${host_cpu}-${host_os}" in
                *-aix* | *-freebsd*)     flag="-D_THREAD_SAFE";;
                *solaris* | alpha*-osf*) flag="-D_REENTRANT";;
        esac
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${flag}" >&5
$as_echo "${flag}" >&6; }
        if test "x$flag" != xno; then
                PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
        fi

        LIBS="$save_LIBS"
        CFLAGS="$save_CFLAGS"

        # More AIX lossage: must compile with cc_r
        # Extract the first word of "cc_r", so it can be a program name with args.
set dummy cc_r; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_PTHREAD_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$PTHREAD_CC"; then
  ac_cv_prog_PTHREAD_CC="$PTHREAD_CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_PTHREAD_CC="cc_r"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

  test -z "$ac_cv_prog_PTHREAD_CC" && ac_cv_prog_PTHREAD_CC="${CC}"
fi
fi
PTHREAD_CC=$ac_cv_prog_PTHREAD_CC
if test -n "$PTHREAD_CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PTHREAD_CC" >&5
$as_echo "$PTHREAD_CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


else
        PTHREAD_CC="$CC"
fi





# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test x"$acx_pthread_ok" = xyes; then

$as_echo "#define HAVE_PTHREAD 1" >>confdefs.h

        :
else
        acx_pthread_ok=no

fi


  CC="$PTHREAD_CC"
  AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS -D_REENTRANT"
  LIBS="$PTHREAD_LIBS $LIBS"
fi
 if test $use_pthreads = "yes"; then
  USE_THREADS_TRUE=
  USE_THREADS_FALSE='#'
else
  USE_THREADS_TRUE='#'
  USE_THREADS_FALSE=
fi


################ handle the FFTW library (Fourier transforms) ################
if test "$use_model" = "yes"; then




acx_fftw_ok=no
if test x$fftw_incdir = x; then
  if test x$fftw_libdir = x; then
    ac_fn_c_check_header_mongrel "$LINENO" "fftw3.h" "ac_cv_header_fftw3_h" "$ac_includes_default"
if test "x$ac_cv_header_fftw3_h" = xyes; then :
  acx_fftw_ok=yes
fi


    if test x$acx_fftw_ok = xyes; then

$as_echo "#define FFTW_H \"fftw3.h\"" >>confdefs.h

    else
      ac_fn_c_check_header_mongrel "$LINENO" "fftw/fftw3.h" "ac_cv_header_fftw_fftw3_h" "$ac_includes_default"
if test "x$ac_cv_header_fftw_fftw3_h" = xyes; then :
  acx_fftw_ok=yes
fi


      if test x$acx_fftw_ok = xyes; then

$as_echo "#define FFTW_H \"fftw/fftw3.h\"" >>confdefs.h

      else
        FFTW_ERROR="FFTW include files not found in default location!"
      fi
    fi
  else
    as_ac_Header=`$as_echo "ac_cv_header_$fftw_libdir/include/fftw3.h" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$fftw_libdir/include/fftw3.h" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  acx_fftw_ok=yes
fi


    if test x$acx_fftw_ok = xyes; then

$as_echo "#define FFTW_H \$fftw_libdir\"/include/fftw3.h" >>confdefs.h

    else
      ac_fn_c_check_header_mongrel "$LINENO" "fftw3.h" "ac_cv_header_fftw3_h" "$ac_includes_default"
if test "x$ac_cv_header_fftw3_h" = xyes; then :
  acx_fftw_ok=yes
fi


      if test x$acx_fftw_ok = xyes; then

$as_echo "#define FFTW_H \"fftw3.h\"" >>confdefs.h

      else
        FFTW_ERROR="FFTW include files not found in $fftw_libdir/include!"
      fi
    fi
  fi
else
  as_ac_Header=`$as_echo "ac_cv_header_$fftw_incdir/fftw3.h" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$fftw_incdir/fftw3.h" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  acx_fftw_ok=yes
fi


  if test x$acx_fftw_ok = xyes; then

cat >>confdefs.h <<_ACEOF
#define FFTW_H "$fftw_incdir/fftw3.h"
_ACEOF

  else
    FFTW_ERROR="FFTW include files not found in $fftw_incdir!"
  fi
fi


FFTW_LIBS=""
OLIBS="$LIBS"
LIBS=""

if test x$acx_fftw_ok = xyes; then
  if test x$fftw_libdir = x; then
    if test xyes = xyes; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftwf_execute in -lfftw3f" >&5
$as_echo_n "checking for fftwf_execute in -lfftw3f... " >&6; }
if ${ac_cv_lib_fftw3f_fftwf_execute+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3f -lm $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftwf_execute ();
int
main ()
{
return fftwf_execute ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3f_fftwf_execute=yes
else
  ac_cv_lib_fftw3f_fftwf_execute=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3f_fftwf_execute" >&5
$as_echo "$ac_cv_lib_fftw3f_fftwf_execute" >&6; }
if test "x$ac_cv_lib_fftw3f_fftwf_execute" = xyes; then :
  acx_fftw_ok=yes
else
  acx_fftw_ok=no
fi

      if test x$acx_fftw_ok = xyes; then

$as_echo "#define HAVE_FFTWF 1" >>confdefs.h

        FFTW_LIBS="-lfftw3f"
      else
        FFTW_ERROR="FFTW single precision library files not found at usual locations!"
      fi
    else
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftw_execute in -lfftw3" >&5
$as_echo_n "checking for fftw_execute in -lfftw3... " >&6; }
if ${ac_cv_lib_fftw3_fftw_execute+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3 -lm $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftw_execute ();
int
main ()
{
return fftw_execute ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3_fftw_execute=yes
else
  ac_cv_lib_fftw3_fftw_execute=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_fftw_execute" >&5
$as_echo "$ac_cv_lib_fftw3_fftw_execute" >&6; }
if test "x$ac_cv_lib_fftw3_fftw_execute" = xyes; then :
  acx_fftw_ok=yes
else
  acx_fftw_ok=no
fi

      if test x$acx_fftw_ok = xyes; then

$as_echo "#define HAVE_FFTW 1" >>confdefs.h

        FFTW_LIBS="-lfftw3"
      else
        FFTW_ERROR="FFTW double precision library files not found at usual locations!"
      fi
    fi
    if test x$acx_fftw_ok = xyes && test x$use_pthreads = xyes; then
      if test xyes = xyes; then
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftwf_init_threads in -lfftw3f" >&5
$as_echo_n "checking for fftwf_init_threads in -lfftw3f... " >&6; }
if ${ac_cv_lib_fftw3f_fftwf_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3f -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftwf_init_threads ();
int
main ()
{
return fftwf_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3f_fftwf_init_threads=yes
else
  ac_cv_lib_fftw3f_fftwf_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3f_fftwf_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3f_fftwf_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3f_fftwf_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

        if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTWF_MP 1" >>confdefs.h

          FFTW_LIBS="-lfftw3f"
        else
          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftwf_init_threads in -lfftw3f_threads" >&5
$as_echo_n "checking for fftwf_init_threads in -lfftw3f_threads... " >&6; }
if ${ac_cv_lib_fftw3f_threads_fftwf_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3f_threads -lfftw3f -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftwf_init_threads ();
int
main ()
{
return fftwf_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3f_threads_fftwf_init_threads=yes
else
  ac_cv_lib_fftw3f_threads_fftwf_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3f_threads_fftwf_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3f_threads_fftwf_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3f_threads_fftwf_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

          if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTWF_MP 1" >>confdefs.h

            FFTW_LIBS="-lfftw3f_threads -lfftw3f"
          else
            FFTW_WARN="FFTW single precision library was compiled without multithreading support!"

          fi
        fi
      else
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftw_init_threads in -lfftw3" >&5
$as_echo_n "checking for fftw_init_threads in -lfftw3... " >&6; }
if ${ac_cv_lib_fftw3_fftw_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3 -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftw_init_threads ();
int
main ()
{
return fftw_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3_fftw_init_threads=yes
else
  ac_cv_lib_fftw3_fftw_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_fftw_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3_fftw_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3_fftw_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

        if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTW_MP 1" >>confdefs.h

          FFTW_LIBS="-lfftw3"
        else
          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftw_init_threads in -lfftw3_threads" >&5
$as_echo_n "checking for fftw_init_threads in -lfftw3_threads... " >&6; }
if ${ac_cv_lib_fftw3_threads_fftw_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3_threads -lfftw3 -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftw_init_threads ();
int
main ()
{
return fftw_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3_threads_fftw_init_threads=yes
else
  ac_cv_lib_fftw3_threads_fftw_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_threads_fftw_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3_threads_fftw_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3_threads_fftw_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

          if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTW_MP 1" >>confdefs.h

            FFTW_LIBS="-lfftw3_threads -lfftw3"
          else
            FFTW_WARN="FFTW double precision library was compiled without multithreading support!"

          fi
        fi
      fi
    fi
  else
    if test xyes = xyes; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftwf_execute in -lfftw3f" >&5
$as_echo_n "checking for fftwf_execute in -lfftw3f... " >&6; }
if ${ac_cv_lib_fftw3f_fftwf_execute+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3f -L$fftw_libdir -lm $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftwf_execute ();
int
main ()
{
return fftwf_execute ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3f_fftwf_execute=yes
else
  ac_cv_lib_fftw3f_fftwf_execute=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3f_fftwf_execute" >&5
$as_echo "$ac_cv_lib_fftw3f_fftwf_execute" >&6; }
if test "x$ac_cv_lib_fftw3f_fftwf_execute" = xyes; then :
  acx_fftw_ok=yes
else
  acx_fftw_ok=no
fi

      if test x$acx_fftw_ok = xyes; then

$as_echo "#define HAVE_FFTWF 1" >>confdefs.h

        FFTW_LIBS="-L$fftw_libdir -lfftw3f"
      else
        FFTW_ERROR="FFTW single precision library files not found in $fftw_libdir!"
      fi
    else
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftw_execute in -lfftw3" >&5
$as_echo_n "checking for fftw_execute in -lfftw3... " >&6; }
if ${ac_cv_lib_fftw3_fftw_execute+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3 -L$fftw_libdir -lm $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftw_execute ();
int
main ()
{
return fftw_execute ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3_fftw_execute=yes
else
  ac_cv_lib_fftw3_fftw_execute=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_fftw_execute" >&5
$as_echo "$ac_cv_lib_fftw3_fftw_execute" >&6; }
if test "x$ac_cv_lib_fftw3_fftw_execute" = xyes; then :
  acx_fftw_ok=yes
else
  acx_fftw_ok=no
fi

      if test x$acx_fftw_ok = xyes; then

$as_echo "#define HAVE_FFTW 1" >>confdefs.h

        FFTW_LIBS="-L$fftw_libdir -lfftw3"
      else
        FFTW_ERROR="FFTW double precision library files not found in $fftw_libdir!"
      fi
    fi
    if test x$acx_fftw_ok = xyes && test x$use_pthreads = xyes; then
      if test xyes = xyes; then
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftwf_init_threads in -lfftw3f" >&5
$as_echo_n "checking for fftwf_init_threads in -lfftw3f... " >&6; }
if ${ac_cv_lib_fftw3f_fftwf_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3f -L$fftw_libdir -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftwf_init_threads ();
int
main ()
{
return fftwf_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3f_fftwf_init_threads=yes
else
  ac_cv_lib_fftw3f_fftwf_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3f_fftwf_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3f_fftwf_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3f_fftwf_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

        if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTWF_MP 1" >>confdefs.h

          FFTW_LIBS="-L$fftw_libdir -lfftw3f"
        else
          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftwf_init_threads in -lfftw3f_threads" >&5
$as_echo_n "checking for fftwf_init_threads in -lfftw3f_threads... " >&6; }
if ${ac_cv_lib_fftw3f_threads_fftwf_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3f_threads -L$fftw_libdir -lfftw3f -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftwf_init_threads ();
int
main ()
{
return fftwf_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3f_threads_fftwf_init_threads=yes
else
  ac_cv_lib_fftw3f_threads_fftwf_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3f_threads_fftwf_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3f_threads_fftwf_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3f_threads_fftwf_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

          if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTWF_MP 1" >>confdefs.h

            FFTW_LIBS="-L$fftw_libdir -lfftw3f_threads -lfftw3f"
          else
            FFTW_WARN="FFTW single precision library in $fftw_libdir was compiled without multithreading support!"

          fi
        fi
      else
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fftw_init_threads in -lfftw3_threads" >&5
$as_echo_n "checking for fftw_init_threads in -lfftw3_threads... " >&6; }
if ${ac_cv_lib_fftw3_threads_fftw_init_threads+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lfftw3_threads -L$fftw_libdir -lfftw3 -lm -lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fftw_init_threads ();
int
main ()
{
return fftw_init_threads ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_fftw3_threads_fftw_init_threads=yes
else
  ac_cv_lib_fftw3_threads_fftw_init_threads=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_threads_fftw_init_threads" >&5
$as_echo "$ac_cv_lib_fftw3_threads_fftw_init_threads" >&6; }
if test "x$ac_cv_lib_fftw3_threads_fftw_init_threads" = xyes; then :
  acx_fftwt_ok=yes
else
  acx_fftwt_ok=no
fi

        if test x$acx_fftwt_ok = xyes; then

$as_echo "#define HAVE_FFTW_MP 1" >>confdefs.h

          FFTW_LIBS="-L$fftw_libdir -lfftw3_threads -lfftw3"
        else
          FFTW_WARN="FFTW double precision library in $fftw_libdir was compiled without multithreading support!"

        fi
      fi
    fi
  fi
fi

LIBS="$OLIBS"
if test x$acx_fftw_ok = xyes; then

  use_fftw=yes
else

  use_fftw=no
fi


  if test "$use_fftw" = "yes"; then
    LIBS="$FFTW_LIBS $LIBS"
    if test "$FFTW_WARN" != ""; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $FFTW_WARN" >&5
$as_echo "$as_me: WARNING: $FFTW_WARN" >&2;}
    fi
  else
    as_fn_error $? "$FFTW_ERROR Exiting." "$LINENO" 5
  fi
fi

################## handle the ATLAS library(linear algebra) ##################
if test "$use_model" = "yes"; then




acx_atlas_ok=no
if test x$atlas_incdir = x; then
  if test x$atlas_libdir = x; then
    for ac_header in cblas.h clapack.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
 acx_atlas_ok=yes
fi

done

    if test x$acx_atlas_ok = xyes; then

$as_echo "#define ATLAS_BLAS_H \"cblas.h\"" >>confdefs.h


$as_echo "#define ATLAS_LAPACK_H \"clapack.h\"" >>confdefs.h

    else
      for ac_header in atlas/cblas.h atlas/clapack.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
 acx_atlas_ok=yes
fi

done

      if test x$acx_atlas_ok = xyes; then

$as_echo "#define ATLAS_BLAS_H \"atlas/cblas.h\"" >>confdefs.h


$as_echo "#define ATLAS_LAPACK_H \"atlas/clapack.h\"" >>confdefs.h

      else
        atlas_def=/usr/local/atlas
        for ac_header in $atlas_def/include/cblas.h $atlas_def/include/clapack.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
 acx_atlas_ok=yes
fi

done

        if test x$acx_atlas_ok = xyes; then

cat >>confdefs.h <<_ACEOF
#define ATLAS_BLAS_H "$atlas_def/include/cblas.h"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define ATLAS_LAPACK_H "$atlas_def/include/clapack.h"
_ACEOF

        else
          atlas_def=/usr/atlas
          for ac_header in $atlas_def/include/cblas.h $atlas_def/include/clapack.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
 acx_atlas_ok=yes
fi

done

          if test x$acx_atlas_ok = xyes; then

cat >>confdefs.h <<_ACEOF
#define ATLAS_BLAS_H "$atlas_def/include/cblas.h"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define ATLAS_LAPACK_H "$atlas_def/include/clapack.h"
_ACEOF

          else
            ATLAS_ERROR="CBLAS/LAPack include files not found!"
          fi
        fi
      fi
    fi
  else
    for ac_header in $atlas_libdir/include/cblas.h $atlas_libdir/include/clapack.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
 acx_atlas_ok=yes
fi

done

    if test x$acx_atlas_ok = xyes; then

cat >>confdefs.h <<_ACEOF
#define ATLAS_BLAS_H "$atlas_libdir/include/cblas.h"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define ATLAS_LAPACK_H "$atlas_libdir/include/clapack.h"
_ACEOF

    else
      for ac_header in cblas.h clapack.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
 acx_atlas_ok=yes
fi

done

      if test x$acx_atlas_ok = xyes; then

cat >>confdefs.h <<_ACEOF
#define ATLAS_BLAS_H "cblas.h"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define ATLAS_LAPACK_H "clapack.h"
_ACEOF

      else
        ATLAS_ERROR="CBLAS/LAPack include files not found in $atlas_libdir/include!"
      fi
    fi
  fi