dnl /*@@
dnl   @file      aclocal.m4
dnl   @date      Thu Oct 21 00:05:58 1999
dnl   @author    Tom Goodale
dnl   @desc
dnl   Local Cactus macros
dnl   @enddesc
dnl   @version $Header$
dnl @@*/


dnl  These are copies of the standard autoconf macros, except they
dnl  use AC_TRY_COMPILE rather than AC_TRY_CPP to check for headers.
dnl  This gets round the problem on cygwin where the gnu cpp finds
dnl  the gcc headers and not the ones for the actual compiler.

dnl CCTK_CHECK_HEADER(HEADER-FILE, [ADDITIONAL_CODE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
AC_DEFUN(CCTK_CHECK_HEADER,
[dnl Do the transliteration at runtime so arg 1 can be a shell variable.
cctk_safe=`echo "$1" | sed 'y%./+-%__p_%'`
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(cctk_cv_header_$cctk_safe,
[AC_TRY_COMPILE([$2
#include <$1>], [ ], eval "cctk_cv_header_$cctk_safe=yes",
  eval "cctk_cv_header_$cctk_safe=no")])dnl
if eval "test \"`echo '$cctk_cv_header_'$cctk_safe`\" = yes"; then
  AC_MSG_RESULT(yes)
  ifelse([$3], , :, [$3])
else
  AC_MSG_RESULT(no)
ifelse([$4], , , [$4
])dnl
fi
])

dnl CCTK_CHECK_HEADERS(HEADER-FILE... [, ADDITIONAL_CODE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
AC_DEFUN(CCTK_CHECK_HEADERS,
[for cctk_hdr in $1
do
CCTK_CHECK_HEADER($cctk_hdr,
[$2 ],
[changequote(, )dnl
  cctk_tr_hdr=HAVE_`echo $cctk_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
changequote([, ])dnl
  AC_DEFINE_UNQUOTED($cctk_tr_hdr) $3], $4)dnl
done
])

dnl CCTK_TRY_LINK_2(INCLUDES, FUNCTION-BODY, OTHER-FUNCTION_BODY,
dnl                [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
AC_DEFUN(CCTK_TRY_LINK_2,
[cat > conftest.$ac_ext <<EOF
ifelse(AC_LANG, [FORTRAN77],
[
      program main
      call [$2]
      call main2
      end
],
[dnl This sometimes fails to find confdefs.h, for some reason.
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
#include "confdefs.h"
[$1]
int main() {
[$2]
; return 0; }
])EOF
cat > conftest2.$ac_ext <<EOF
ifelse(AC_LANG, [FORTRAN77],
[
      subroutine main2
      call [$3]
      end
],
[dnl This sometimes fails to find confdefs.h, for some reason.
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
#include "confdefs.h"
[$1]
int main2() {
[$3]
; return 0; }
])EOF
if AC_TRY_EVAL(ac_link conftest2.$ac_ext) && test -s conftest${ac_exeext}; then
  ifelse([$4], , :, [rm -rf conftest*
  $4])
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat conftest.$ac_ext >&AC_FD_CC
ifelse([$5], , , [  rm -rf conftest*
  $5
])dnl
fi
rm -f conftest*])


dnl CCTK_FIND_NULLDEVICE
dnl Have to do it in this rather bizarre way
dnl as cygwin emulates /dev/null
AC_DEFUN(CCTK_FIND_NULLDEVICE,
[AC_MSG_CHECKING([for the null device])
AC_CACHE_VAL(cctk_cv_nulldevice,
[
if test -d /dev ; then
  eval "cctk_cv_nulldevice=/dev/null"
else
  cat > NUL <<EOF
test
EOF
  if eval "`cat NUL > /dev/null 2>/dev/null`" ; then
    eval "cctk_cv_nulldevice=NUL"
  fi
fi
])
if eval "test -n \"$cctk_cv_nulldevice\"" ; then
  AC_MSG_RESULT($cctk_cv_nulldevice)
  AC_DEFINE_UNQUOTED(NULL_DEVICE, "$cctk_cv_nulldevice")
else
  AC_MSG_RESULT("not found")
fi
])

AC_DEFUN(CCTK_TIME__FTIME,
[AC_MSG_CHECKING([for availability of _ftime timing])
AC_CACHE_VAL(cctk_cv_time_ftime,
[AC_TRY_LINK([#include <stdio.h>
#include <time.h>
#include <sys/types.h>
#include <sys/timeb.h>],
[  struct _timeb timebs;
  _ftime(&timebs);
  printf("%f\n",(double)(timebs.time + timebs.millitm/1000.0));
  return 0;], eval "cctk_cv_time_ftime=yes",
  eval "cctk_cv_time_ftime=no")])dnl
if eval "test \"`echo '$cctk_cv_time_ftime'`\" = yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE_UNQUOTED(HAVE_TIME__FTIME)
else
  AC_MSG_RESULT(no)
fi
])dnl

AC_DEFUN(CCTK_TIME_GETRUSAGE,
[AC_MSG_CHECKING([for availability of getrusage timing])
AC_CACHE_VAL(cctk_cv_time_getrusage,
[AC_TRY_LINK([#include <stdio.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>],
[struct rusage ru;
 getrusage(RUSAGE_SELF, &ru);
 printf("%f\n",(double)(ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec/1000000.0));
 return 0;], eval "cctk_cv_time_getrusage=yes",
  eval "cctk_cv_time_getrusage=no")])dnl
if eval "test \"`echo '$cctk_cv_time_getrusage'`\" = yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE_UNQUOTED(HAVE_TIME_GETRUSAGE)
else
  AC_MSG_RESULT(no)
fi
])dnl

AC_DEFUN(CCTK_TIME_GETTIMEOFDAY,
[AC_MSG_CHECKING([for availability of gettimeofday timing])
AC_CACHE_VAL(cctk_cv_time_gettimeofday,
[AC_TRY_LINK([],
[gettimeofday(0, 0);
 return 0;], eval "cctk_cv_time_gettimeofday=yes",
  eval "cctk_cv_time_gettimeofday=no")])dnl
if eval "test \"`echo '$cctk_cv_time_gettimeofday'`\" = yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE_UNQUOTED(HAVE_TIME_GETTIMEOFDAY)
else
  AC_MSG_RESULT(no)
fi
]dnl
if eval "test \"`echo '$cctk_cv_time_gettimeofday'`\" = yes"; then
[AC_MSG_CHECKING([if gettimeofday needs timezone])
AC_CACHE_VAL(cctk_cv_time_gettimeofday_timezone,
[AC_TRY_LINK([#include <stdio.h>
#include <sys/time.h>
#include <unistd.h>],
[struct timeval tp;
 struct timezone tzp;
 gettimeofday(&tp, &tzp);
 printf("%f\n", (double)(tp.tv_sec + (double)tp.tv_usec/1000000.0));
 return 0;], eval "cctk_cv_time_gettimeofday_timezone=yes",
  eval "cctk_cv_time_gettimeofday_timezone=no")])dnl
if eval "test \"`echo '$cctk_cv_time_gettimeofday_timezone'`\" = yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE_UNQUOTED(GETTIMEOFDAY_NEEDS_TIMEZONE)
else
  AC_MSG_RESULT(no)
fi
]dnl
fi
)dnl

AC_DEFUN(CCTK_PROG_CC_WORKS,
[AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_C
rm -fr conftest*
AC_TRY_COMPILER([main(){return(0);} int PilotMain(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_cv_prog_cc_works)
if test $ac_cv_prog_cc_works = no; then
  AC_MSG_ERROR([installation or configuration problem: C compiler cannot create executables.])
fi
AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler])
AC_MSG_RESULT($ac_cv_prog_cc_cross)
cross_compiling=$ac_cv_prog_cc_cross
])

AC_DEFUN(CCTK_PROG_CXX_WORKS,
[AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
rm -fr conftest*
AC_TRY_COMPILER([int main(){return(0);} extern "C" int PilotMain(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_cv_prog_cxx_works)
if test $ac_cv_prog_cxx_works = no; then
  AC_MSG_ERROR([installation or configuration problem: C++ compiler cannot create executables.])
fi
AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler])
AC_MSG_RESULT($ac_cv_prog_cxx_cross)
cross_compiling=$ac_cv_prog_cxx_cross
])

AC_DEFUN(CCTK_HEADER_REGEX,
[AC_MSG_CHECKING([for regex.h])
AC_CACHE_VAL(cctk_cv_header_regex_h,
[AC_TRY_COMPILE([#include <stdio.h>
#include <regex.h>], [return 0;], eval "cctk_cv_header_regex_h=yes",
  eval "cctk_cv_header_regex_h=no")])dnl
if eval "test \"`echo '$cctk_cv_header_regex_h'`\" = yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE_UNQUOTED(HAVE_REGEX_H)
else
  AC_MSG_RESULT(no)
fi
])

# CCTK_CHECK_FUNCS(FUNCTION..., [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------------------
AC_DEFUN([CCTK_CHECK_FUNCS],
[ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext `CCTK_Wrap "$LIBDIR_PREFIX" "$LIBDIR_SUFFIX" "$LIBDIRS"` `CCTK_Wrap "$LIBLINK_PREFIX" "$LIBLINK_SUFFIX" "$LIBS"` >&5'
AC_CHECK_FUNCS($1,$2,$3)
])

# CCTK_CHECK_FUNC(FUNCTION, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------------------
AC_DEFUN([CCTK_CHECK_FUNC],
[ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext `CCTK_Wrap "$LIBDIR_PREFIX" "$LIBDIR_SUFFIX" "$LIBDIRS"` `CCTK_Wrap "$LIBLINK_PREFIX" "$LIBLINK_SUFFIX" "$LIBS"` >&5'
AC_CHECK_FUNC($1,$2,$3)
])


# CCTK_CHECK_LIB(LIBRARY, FUNCTION,
#              [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
#              [OTHER-LIBRARIES])
# ------------------------------------------------------
AC_DEFUN(CCTK_CHECK_LIB,
[AC_MSG_CHECKING([for $2 in library $1])
dnl Use a cache variable name containing both the library and function name,
dnl because the test really is for library $1 defining function $2, not
dnl just for library $1.  Separate tests with the same $1 and different $2s
dnl may have different results.
ac_lib_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
AC_CACHE_VAL(ac_cv_lib_$ac_lib_var,
[ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext `CCTK_Wrap "$LIBDIR_PREFIX" "$LIBDIR_SUFFIX" "$LIBDIRS"` `CCTK_Wrap "$LIBLINK_PREFIX" "$LIBLINK_SUFFIX" "$LIBS"` >&5'
ac_save_LIBS="$LIBS"
LIBS="$1 $5 $LIBS"
AC_TRY_LINK(dnl
ifelse(AC_LANG, [FORTRAN77], ,
ifelse([$2], [main], , dnl Avoid conflicting decl of main.
[/* Override any gcc2 internal prototype to avoid an error.  */
]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
extern "C"
#endif
])dnl
[/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $2();
])),
            [$2()],
            eval "ac_cv_lib_$ac_lib_var=yes",
            eval "ac_cv_lib_$ac_lib_var=no")
LIBS="$ac_save_LIBS"
])dnl
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  AC_MSG_RESULT(yes)
  ifelse([$3], ,
[changequote(, )dnl
  ac_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
changequote([, ])dnl
  AC_DEFINE_UNQUOTED($ac_tr_lib)
  LIBS="$1 $LIBS"
], [$3])
else
  AC_MSG_RESULT(no)
ifelse([$4], , , [$4
])dnl
fi
])

AC_DEFUN(CCTK_CHECK_LIB_FUNC,
[CCTK_CHECK_LIB($1, $2,
ifelse([$3], , [changequote(, )dnl
  cctk_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
  cctk_tr_func=HAVE_`echo $2 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
changequote([, ])dnl
  AC_DEFINE_UNQUOTED($cctk_tr_lib)
  AC_DEFINE_UNQUOTED($cctk_tr_func)
  LIBS="$1 $LIBS"
], [$3])dnl
),
ifelse([$4], , , [$4
])dnl
])

dnl Do nothing if the compiler accepts the restrict keyword.
dnl Otherwise define restrict to __restrict__ or __restrict if one of
dnl those work, otherwise define restrict to be empty.
AC_DEFUN(CCTK_CHECK_C_RESTRICT,
[AC_CACHE_CHECK([for C restrict], cctk_cv_c_restrict,
[cctk_cv_c_restrict=no
for ac_kw in restrict __restrict__ __restrict; do
  AC_TRY_COMPILE(, [
double * $ac_kw foo;
void bar (void * $ac_kw arr[]);
struct tux { char * $ac_kw arr[3]; };
], [cctk_cv_c_restrict=$ac_kw; break])
done
])
case "$cctk_cv_c_restrict" in
  restrict | yes) ;;
  no) AC_DEFINE(CCTK_C_RESTRICT, ) ;;
  *)  AC_DEFINE_UNQUOTED(CCTK_C_RESTRICT, $cctk_cv_c_restrict) ;;
esac
])

AC_DEFUN(CCTK_CHECK_CXX_RESTRICT,
[AC_CACHE_CHECK([for C++ restrict], cctk_cv_cxx_restrict,
[cctk_cv_cxx_restrict=no
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
for ac_kw in restrict __restrict__ __restrict; do
  AC_TRY_COMPILE(, [
double * $ac_kw foo;
void bar (void * $ac_kw arr[]);
struct tux { char * $ac_kw arr[3]; };
], [cctk_cv_cxx_restrict=$ac_kw; break])
done
AC_LANG_RESTORE
])
case "$cctk_cv_cxx_restrict" in
  restrict | yes) ;;
  no) AC_DEFINE(CCTK_CXX_RESTRICT, ) ;;
  *)  AC_DEFINE_UNQUOTED(CCTK_CXX_RESTRICT, $cctk_cv_cxx_restrict) ;;
esac
])

dnl Do nothing if the compiler accepts the inline keyword.  Otherwise
dnl define inline to __inline__ or __inline if one of those work,
dnl otherwise define inline to be empty.
dnl 
dnl The setting '__inline__ __attribute__((__gnu_inline__))' is for gcc
dnl 4.3 and later.  By default this version of gcc follows the new ANSI
dnl standard for "static inline" and "extern inline", which is
dnl incompatible with many libraries, leading to linker errors about
dnl duplicate symbols.  This setting makes gcc fall back to the old
dnl meaning.
dnl 
AC_DEFUN(CCTK_CHECK_C_INLINE,
[AC_CACHE_CHECK([for C inline], cctk_cv_c_inline,
[cctk_cv_c_inline=no
for ac_kw in inline __inline__ __inline '__inline__ __attribute__((__gnu_inline__))'; do
dnl  AC_TRY_COMPILE(, [} $ac_kw foo() {], [cctk_cv_c_inline=$ac_kw; break])
  CCTK_TRY_LINK_2(, [foo();], [} $ac_kw foo() {], [cctk_cv_c_inline=$ac_kw; break])
done
])
case "$cctk_cv_c_inline" in
  inline | yes) ;;
  no) AC_DEFINE(inline, ) ;;
  *)  AC_DEFINE_UNQUOTED(inline, $cctk_cv_c_inline)
      AC_DEFINE(HAVE_CCTK_C_INLINE, 1) ;;
esac
])

AC_DEFUN(CCTK_C_BOOL,
[AC_CACHE_CHECK([for C bool], cctk_cv_have_c_bool,
[cctk_cv_have_c_bool=no
AC_TRY_COMPILE(, bool foo;, cctk_cv_have_c_bool=yes, cctk_cv_have_c_bool=no)
])
if test "$cctk_cv_have_c_bool" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_C_BOOL)
fi
])

AC_DEFUN(CCTK_CXX_BOOL,
[AC_CACHE_CHECK([for CXX bool], cctk_cv_have_cxx_bool,
[cctk_cv_have_cxx_bool=no
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE(, bool foo;, cctk_cv_have_cxx_bool=yes, cctk_cv_have_cxx_bool=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_cxx_bool" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_CXX_BOOL)
fi
])

dnl The autoconf 2.13 function AC_TRY_COMPILE does not work for Fortran.
dnl This version is corrected and should work for both C and Fortran.
dnl CCTK_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
dnl             [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
AC_DEFUN(CCTK_TRY_COMPILE,
[cat > conftest.$ac_ext <<EOF
ifelse(AC_LANG, [FORTRAN77],
[      program main
[$2]
      end
],
[dnl This sometimes fails to find confdefs.h, for some reason.
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
#include "confdefs.h"
[$1]
int main() {
[$2]
; return 0; }
])EOF
if AC_TRY_EVAL(ac_compile); then
  ifelse([$3], , :, [rm -rf conftest*
  $3])
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat conftest.$ac_ext >&AC_FD_CC
ifelse([$4], , , [  rm -rf conftest*
  $4
])dnl
fi
rm -f conftest*])

AC_DEFUN(CCTK_FORTRAN_REAL4,
[AC_CACHE_CHECK([for Fortran REAL*4], cctk_cv_have_fortran_real4,
[cctk_cv_have_fortran_real4=no
AC_LANG_SAVE
AC_LANG_FORTRAN77
CCTK_TRY_COMPILE(,[      REAL*4 a], cctk_cv_have_fortran_real4=yes, cctk_cv_have_fortran_real4=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_fortran_real4" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_FORTRAN_REAL4)
fi
])

AC_DEFUN(CCTK_FORTRAN_REAL8,
[AC_CACHE_CHECK([for Fortran REAL*8], cctk_cv_have_fortran_real8,
[cctk_cv_have_fortran_real8=no
AC_LANG_SAVE
AC_LANG_FORTRAN77
CCTK_TRY_COMPILE(,[      REAL*8 a], cctk_cv_have_fortran_real8=yes, cctk_cv_have_fortran_real8=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_fortran_real8" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_FORTRAN_REAL8)
fi
])

AC_DEFUN(CCTK_FORTRAN_REAL16,
[AC_CACHE_CHECK([for Fortran REAL*16], cctk_cv_have_fortran_real16,
[cctk_cv_have_fortran_real16=no
AC_LANG_SAVE
AC_LANG_FORTRAN77
CCTK_TRY_COMPILE(,[      REAL*16 a], cctk_cv_have_fortran_real16=yes, cctk_cv_have_fortran_real16=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_fortran_real16" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_FORTRAN_REAL16)
fi
])

AC_DEFUN(CCTK_FORTRAN_COMPLEX8,
[AC_CACHE_CHECK([for Fortran COMPLEX*8], cctk_cv_have_fortran_complex8,
[cctk_cv_have_fortran_complex8=no
AC_LANG_SAVE
AC_LANG_FORTRAN77
CCTK_TRY_COMPILE(,[      COMPLEX*8 a], cctk_cv_have_fortran_complex8=yes, cctk_cv_have_fortran_complex8=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_fortran_complex8" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_FORTRAN_COMPLEX8)
fi
])

AC_DEFUN(CCTK_FORTRAN_COMPLEX16,
[AC_CACHE_CHECK([for Fortran COMPLEX*16], cctk_cv_have_fortran_complex16,
[cctk_cv_have_fortran_complex16=no
AC_LANG_SAVE
AC_LANG_FORTRAN77
CCTK_TRY_COMPILE(,[      COMPLEX*16 a], cctk_cv_have_fortran_complex16=yes, cctk_cv_have_fortran_complex16=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_fortran_complex16" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_FORTRAN_COMPLEX16)
fi
])

AC_DEFUN(CCTK_FORTRAN_COMPLEX32,
[AC_CACHE_CHECK([for Fortran COMPLEX*32], cctk_cv_have_fortran_complex32,
[cctk_cv_have_fortran_complex32=no
AC_LANG_SAVE
AC_LANG_FORTRAN77
CCTK_TRY_COMPILE(,[      COMPLEX*32 a], cctk_cv_have_fortran_complex32=yes, cctk_cv_have_fortran_complex32=no)
AC_LANG_RESTORE
])
if test "$cctk_cv_have_fortran_complex32" = "yes" ; then
   AC_DEFINE(HAVE_CCTK_FORTRAN_COMPLEX32)
fi
])