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|
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, [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([#include <$1>], [return 0;], eval "cctk_cv_header_$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([$2], , :, [$2])
else
AC_MSG_RESULT(no)
ifelse([$3], , , [$3
])dnl
fi
])
dnl CCTK_CHECK_HEADERS(HEADER-FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
AC_DEFUN(CCTK_CHECK_HEADERS,
[for cctk_hdr in $1
do
CCTK_CHECK_HEADER($cctk_hdr,
[changequote(, )dnl
cctk_tr_hdr=HAVE_`echo $cctk_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
changequote([, ])dnl
AC_DEFINE_UNQUOTED($cctk_tr_hdr) $2], $3)dnl
done
])
dnl CCTK_FIND_NULLDEVICE
dnl Have to do it in this rather bizarre way
dnl as cygwin emulates /dev/null
AC_DEFUN(CCTK_FIND_NULLDEVICE,
[AC_MSG_CHECKING([for the null device])
AC_CACHE_VAL(cctk_cv_nulldevice,
[
if test -d /dev ; then
eval "cctk_cv_nulldevice=/dev/null"
else
cat > NUL <<EOF
test
EOF
if eval "`cat NUL > /dev/null 2>/dev/null`" ; then
eval "cctk_cv_nulldevice=NUL"
fi
fi
])
if eval "test -n \"$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();
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 $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_C
AC_TRY_COMPILER([main(){return(0);} PilotMain(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($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 $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILER([int main(){return(0);} extern "C" int PilotMain(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($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
])
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