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|
dnl Process this file with autoconf to produce a configure script.
AC_INIT(fftw/planner.c)
AM_INIT_AUTOMAKE(fftw, 2.1.3)
dnl This is the version info according to the libtool versioning system.
dnl It does *not* correspond to the release number.
SHARED_VERSION_INFO="2:5:0"
AM_CONFIG_HEADER(fftw/config.h fftw/fftw.h)
AM_ENABLE_SHARED(no)
dnl -----------------------------------------------------------------------
AC_ARG_ENABLE(threads, [ --enable-threads compile FFTW SMP threads library], enable_threads=$enableval, enable_threads=no)
AC_ARG_ENABLE(mpi, [ --enable-mpi compile FFTW MPI library], enable_mpi=$enableval, enable_mpi=no)
AC_ARG_ENABLE(fortran, [ --disable-fortran don't include fortran-callable wrappers], enable_fortran=$enableval, enable_fortran=yes)
AC_ARG_WITH(gcc, [ --with-gcc use gcc instead of the native compiler cc], ok=$withval, ok=no)
if test "$ok" = "yes"; then
CC=gcc
fi
AC_ARG_ENABLE(float, [ --enable-float compile fftw for single precision], enable_float=$enableval, enable_float=no)
if test "$enable_float" = "yes"; then
AC_DEFINE(FFTW_ENABLE_FLOAT)
fi
FFTW_PREFIX=""
AC_ARG_ENABLE(type-prefix, [ --enable-type-prefix prefix files with d/s to indicate precision], ok=$enableval, ok=no)
AC_MSG_CHECKING([type prefix for installed files])
if test "$ok" = "yes"; then
if test "$enable_float" = "yes"; then
FFTW_PREFIX="s"
else
FFTW_PREFIX="d"
fi
AC_MSG_RESULT($FFTW_PREFIX)
elif test "$ok" = "no"; then
AC_MSG_RESULT([(none)])
else
FFTW_PREFIX="$ok"
AC_MSG_RESULT($FFTW_PREFIX)
fi
ACX_SUBST_XXX(FFTW_PREFIX)
AC_SUBST(FFTW_PREFIX)
FFTW_PREFIX1="xyz"
if test -n "$FFTW_PREFIX"; then
FFTW_PREFIX1="$FFTW_PREFIX"
fi
ACX_SUBST_XXX(FFTW_PREFIX1)
AC_ARG_ENABLE(i386-hacks, [ --enable-i386-hacks enable gcc/x86 specific performance hacks], ok=$enableval, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(FFTW_ENABLE_I386_HACKS)
fi
AC_ARG_ENABLE(pentium-timer, [ --enable-pentium-timer enable high resolution Pentium timer], ok=$enableval, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(FFTW_ENABLE_PENTIUM_TIMER)
fi
AC_ARG_ENABLE(debug, [ --enable-debug compile fftw with extra runtime checks for debugging], ok=$enableval, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(FFTW_DEBUG)
fi
AC_ARG_ENABLE(debug-alignment, [ --enable-debug-alignment enable runtime checks for alignment on x86], ok=$enableval, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(FFTW_DEBUG_ALIGNMENT)
fi
AC_ARG_ENABLE(vec-recurse, [ --enable-vec-recurse enable experimental performance hack], ok=$enableval, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(FFTW_ENABLE_VECTOR_RECURSE)
fi
dnl -----------------------------------------------------------------------
# Use native cc if present
AC_MSG_CHECKING([for vendor's cc to be used instead of gcc])
AC_CHECK_PROG(CC, cc, cc)
dnl Checks for programs.
AC_PROG_CC
ACX_PROG_CC_EGCS
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_PROG_LN_S
AM_PROG_LIBTOOL
AC_CHECK_PROG(PERL, perl, perl, echo perl)
AC_SUBST(PERL)
dnl -----------------------------------------------------------------------
if test "$enable_fortran" = "yes"; then
AC_CHECK_PROGS(F77, f77 xlf xlf77 cf77 fl32 g77 fort77 f90 xlf90)
if test -z "$F77"; then
echo "*** Couldn't find f77 compiler. Switching to --disable-fortran."
enable_fortran="no"
fi
fi
if test "$enable_fortran" = "yes"; then
ACX_F77_FUNC_MANGLE
fi
dnl -----------------------------------------------------------------------
AC_SUBST(SHARED_VERSION_INFO)
AC_DEFINE_UNQUOTED(FFTW_VERSION, "$VERSION")
# Get the version number that will be appended to shared libraries:
SHARED_VERSION=`echo $SHARED_VERSION_INFO | awk -F':' '{ print $1 "." $3 "." $2 }'`
AC_SUBST(SHARED_VERSION)
ACX_PROG_CC_MAXOPT
ACX_GCC_ALIGNS_STACK(AC_DEFINE(FFTW_GCC_ALIGNS_STACK), [
if test "$enable_i386_hacks" = yes; then
if test "${acx_gcc_stack_align_bug-no}" = yes; then
# we are using a gcc with a stack alignment bug, and we should
# turn stack alignment off so that our own hacks work instead.
ACX_CHECK_CC_FLAGS(-mpreferred-stack-boundary=2, m_psb_2,
[CFLAGS="$CFLAGS -mpreferred-stack-boundary=2"],
AC_MSG_ERROR([can't disable buggy stack alignment]))
fi
fi])
if test "${enable_debug}" = "yes"; then
CFLAGS="-g"
fi
dnl Checks for libraries.
AC_CHECK_LIB(m, sqrt)
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(sys/time.h unistd.h getopt.h malloc.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
if test $ac_cv_c_const = no; then
echo "**************************************************************"
echo "* WARNING: The "'``'"const'' keyword does not appear to work *"
echo "* properly on this system. Expect problems. *"
echo "* (It's >= 1998. Get an ANSI C compiler.) *"
case "${host_cpu}-${host_os}" in
sparc-solaris2*)
echo "* Maybe you are using the wrong C compiler. Please see the *"
echo "* FFTW FAQ for more information. *"
;;
esac
echo "**************************************************************"
fi
dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_FUNCS(BSDgettimeofday)
AC_CHECK_FUNCS(gethrtime)
AC_CHECK_FUNCS(getopt)
AC_CHECK_FUNCS(getopt_long)
AC_MSG_CHECKING([for isnan])
AC_TRY_LINK([#include <math.h>
], if (!isnan(3.14159)) isnan(2.7183);, ok=yes, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(HAVE_ISNAN)
fi
AC_MSG_RESULT(${ok})
# Check for hrtime_t data type; some systems (AIX) seem to have
# a function called gethrtime but no hrtime_t!
AC_MSG_CHECKING([for hrtime_t])
AC_TRY_LINK([
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
], [hrtime_t foobar;], ok=yes, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(HAVE_HRTIME_T)
fi
AC_MSG_RESULT(${ok})
AC_CHECK_SIZEOF(int, 0)
AC_CHECK_SIZEOF(long long, 0)
AC_ARG_ENABLE(unsafe-mulmod, [ --enable-unsafe-mulmod risk overflow for large prime sizes], enable_unsafe_mulmod=$enableval, enable_unsafe_mulmod=no)
if test "$enable_unsafe_mulmod" = "yes"; then
AC_DEFINE(FFTW_ENABLE_UNSAFE_MULMOD)
fi
dnl make a couple of jokes for user's amusement. See gcc/future.options in
dnl egcs distribution
ACX_CHECK_CC_FLAGS("-fkeep-programmers-inline",fkeep_programmers_inline)
ACX_CHECK_CC_FLAGS("-vomit-frame-pointer",vomit_frame_pointer)
dnl -----------------------------------------------------------------------
dnl Check for threads library...
FFTW_THREADS_LIBLIST=""
FFTW_THREADS_INCLUDELIST=""
FFTW_THREADS_PROGLIST=""
THREADLIBS=""
if test "$enable_threads" = "yes"; then
# POSIX threads are the default choice:
# POSIX threads library is plural on AIX (need to check for
# this *first* due to AIX brokenness; also, need to check
# for pthread_attr_init instead of pthread_create due to
# DEC stupidity):
if test -z "$THREADLIBS"; then
AC_CHECK_LIB(pthreads, pthread_attr_init,
[THREADLIBS="-lpthreads"
AC_DEFINE(FFTW_USING_POSIX_THREADS)])
fi
# Normally (e.g. on Linux), POSIX threads are in -lpthread.
# We can't just use AC_CHECK_LIB, though, because DEC lossage
# requires that pthread.h be included for linking to work.
if test -z "$THREADLIBS"; then
AC_MSG_CHECKING([for pthread_create in -lpthread])
save_LIBS="$LIBS"
LIBS="-lpthread $LIBS"
AC_TRY_LINK([#include <pthread.h>],
[pthread_create(0,0,0,0);],
ok=yes, ok=no)
LIBS="$save_LIBS"
if test "$ok" = "yes"; then
THREADLIBS="-lpthread"
AC_DEFINE(FFTW_USING_POSIX_THREADS)
fi
AC_MSG_RESULT(${ok})
fi
# this is for irix, which has pthread_create in libc.so
# and pthread_join in libpthread.so. Lose, lose, lose
if test -z "$THREADLIBS"; then
AC_CHECK_LIB(pthread, pthread_join,
[THREADLIBS="-lpthread"
AC_DEFINE(FFTW_USING_POSIX_THREADS)])
fi
if test -z "$THREADLIBS"; then
AC_CHECK_FUNC(pthread_create,
[THREADLIBS=" "
AC_DEFINE(FFTW_USING_POSIX_THREADS)])
fi
if test -n "$THREADLIBS"; then
# detect AIX lossage: threads are created detached by default
# & the JOINABLE attribute has a nonstandard name (UNDETACHED).
AC_MSG_CHECKING([for PTHREAD_CREATE_UNDETACHED attribute])
AC_TRY_LINK([#include <pthread.h>],
[int attr=PTHREAD_CREATE_UNDETACHED;],
ok=yes, ok=no)
if test "$ok" = "yes"; then
AC_DEFINE(HAVE_PTHREAD_CREATE_UNDETACHED)
fi
AC_MSG_RESULT(${ok})
# more AIX lossage: must compile with cc_r
AC_CHECK_PROG(CCthreads, cc_r, cc_r, ${CC})
CC="$CCthreads"
# more AIX/DEC lossage: must compile with -D_THREAD_SAFE
# or -D_REENTRANT:
# (cc_r subsumes this on AIX, but it doesn't hurt to
# do this as well, especially if cc_r is not available.)
AC_MSG_CHECKING([if special flags are required for pthreads])
ok=no
AC_REQUIRE([AC_CANONICAL_HOST])
case "${host_cpu}-${host_os}" in
*-aix*) CFLAGS="-D_THREAD_SAFE $CFLAGS"
ok="-D_THREAD_SAFE";;
alpha*-osf*) CFLAGS="-D_REENTRANT $CFLAGS"
ok="-D_REENTRANT";;
esac
AC_MSG_RESULT(${ok})
fi
# Solaris threads:
if test -z "$THREADLIBS"; then
AC_CHECK_LIB(thread, thr_create,
[THREADLIBS="-lthread"
AC_DEFINE(FFTW_USING_SOLARIS_THREADS)])
fi
# Mach C threads:
if test -z "$THREADLIBS"; then
AC_CHECK_FUNC(cthread_fork,
[THREADLIBS=" "
AC_DEFINE(FFTW_USING_MACH_THREADS)])
AC_CHECK_HEADERS(mach/cthreads.h cthreads.h cthread.h)
fi
if test -z "$THREADLIBS"; then
AC_CHECK_LIB(cthread, cthread_fork,
[THREADLIBS="-lcthread"
AC_DEFINE(FFTW_USING_MACH_THREADS)])
AC_CHECK_HEADERS(mach/cthreads.h cthreads.h cthread.h)
fi
if test -z "$THREADLIBS"; then
AC_CHECK_LIB(cthreads, cthread_fork,
[THREADLIBS="-lcthreads"
AC_DEFINE(FFTW_USING_MACH_THREADS)])
AC_CHECK_HEADERS(mach/cthreads.h cthreads.h cthread.h)
fi
# BeOS threads:
if test -z "$THREADLIBS"; then
AC_CHECK_FUNC(spawn_thread,
[THREADLIBS=" "
AC_DEFINE(FFTW_USING_BEOS_THREADS)])
fi
if test -z "$THREADLIBS"; then
AC_MSG_ERROR(couldn't find threads library for --enable-threads)
else
FFTW_THREADS_LIBLIST="lib${FFTW_PREFIX}fftw_threads.la lib${FFTW_PREFIX}rfftw_threads.la"
FFTW_THREADS_INCLUDELIST="${FFTW_PREFIX}fftw_threads.h ${FFTW_PREFIX}rfftw_threads.h"
FFTW_THREADS_PROGLIST="fftw_threads_test rfftw_threads_test"
fi
fi
AC_SUBST(FFTW_THREADS_LIBLIST)
AC_SUBST(FFTW_THREADS_INCLUDELIST)
AC_SUBST(FFTW_THREADS_PROGLIST)
AC_SUBST(THREADLIBS)
dnl -----------------------------------------------------------------------
dnl Check for mpi library...
FFTW_MPI_LIBLIST=""
FFTW_MPI_INCLUDELIST=""
FFTW_MPI_PROGLIST=""
MPILIBS=""
AC_CHECK_PROGS(MPICC, mpicc hcc, $CC)
if test "$enable_mpi" = "yes"; then
save_CC="$CC"
CC="$MPICC"
if test -z "$MPILIBS"; then
AC_CHECK_FUNC(MPI_Init, [MPILIBS=" "])
fi
if test -z "$MPILIBS"; then
AC_CHECK_LIB(mpi, MPI_Init, [MPILIBS="-lmpi"])
fi
if test -z "$MPILIBS"; then
AC_MSG_ERROR(couldn't find mpi library for --enable-mpi)
else
FFTW_MPI_LIBLIST="lib${FFTW_PREFIX}fftw_mpi.la lib${FFTW_PREFIX}rfftw_mpi.la"
FFTW_MPI_INCLUDELIST="${FFTW_PREFIX}fftw_mpi.h ${FFTW_PREFIX}rfftw_mpi.h"
FFTW_MPI_PROGLIST="test_sched test_transpose_mpi fftw_mpi_test rfftw_mpi_test"
AC_MSG_CHECKING([for MPI_Comm_f2c])
ok=yes
AC_TRY_LINK([#include <mpi.h>
], MPI_Comm_f2c(0);, AC_DEFINE(HAVE_MPI_COMM_F2C), ok=no)
AC_MSG_RESULT($ok)
fi
CC="$save_CC"
fi
AC_SUBST(FFTW_MPI_LIBLIST)
AC_SUBST(FFTW_MPI_INCLUDELIST)
AC_SUBST(FFTW_MPI_PROGLIST)
AC_SUBST(MPILIBS)
dnl -----------------------------------------------------------------------
AC_OUTPUT(fftw/Makefile tests/Makefile rfftw/Makefile doc/Makefile Makefile threads/Makefile mpi/Makefile fftw.spec)
case "${host_cpu}" in
i?86) if test "${enable_i386_hacks-no}" != "yes"; then
if test "${enable_float-no}" != "yes"; then
if test "${acx_gcc_aligns_stack-no}" != "yes"; then
echo "**************************************************************"
echo "* If you are running an x86 system with gcc, also try *"
echo "* configure --enable-i386-hacks *"
echo "* which might produce significant speed improvements. *"
echo "* (See the Installation chapter of the manual for more *"
echo "* details) *"
echo "**************************************************************"
fi
fi
fi
esac
|
