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|
dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2001-2005 The Trustees of Indiana University.
dnl All rights reserved.
dnl Copyright (c) 1998-2001 University of Notre Dame.
dnl All rights reserved.
dnl Copyright (c) 1994-1998 The Ohio State University.
dnl All rights reserved.
dnl
dnl This file is part of the LAM/MPI software package. For license
dnl information, see the LICENSE file in the top level directory of the
dnl LAM/MPI source distribution.
dnl
dnl $Id: lam_config_pthreads.m4,v 1.15 2004/01/20 03:41:47 jsquyres Exp $
dnl
dnl
dnl LAM_CONFIG_POSIX_THREADS()
dnl
dnl Configure posix threads, setting the following variables (but
dnl not calling AC_SUBST on them).
# ********************************************************************
#
# Internal macros - do not call from outside LAM_CONFIG_POSIX_THREADS
#
# ********************************************************************
AC_DEFUN([LAM_INTL_PTHREAD_TRY_LINK], [
# BEGIN: LAM_INTL_PTHREAD_TRY_LINK
#
# Make sure that we can run a small application in C or C++, which
# ever is the current language. Do make sure that C or C++ is the
# current language.
AC_TRY_LINK([#include <pthread.h>],
[pthread_t th; pthread_join(th, 0);
pthread_attr_init(0);
pthread_create(0,0,0,0); ],
[$1], [$2])
# END: LAM_INTL_PTHREAD_TRY_LINK
])dnl
AC_DEFUN([LAM_INTL_PTHREAD_TRY_LINK_F77], [
# BEGIN: LAM_INTL_PTHREAD_TRY_LINK_F77
#
# Make sure that we can run a small application in Fortran, with
# pthreads living in a C object file
lam_ac_thread_fn=
if test "x$lam_ac_doubleunder" = xy || test "x$lam_ac_singleunder" = xy; then
lam_ac_thread_fn=pthreadtest_
else
if test "x$lam_ac_nounder" = xy; then
lam_ac_thread_fn=pthreadtest
else
if test "x$lam_ac_caps" = xy; then
lam_ac_thread_fn=PTHREADTEST
else
AC_MSG_WARN([*** FORTRAN external naming convention undefined])
AC_MSG_ERROR([*** Cannot continue.])
fi
fi
fi
# Fortran module
cat > conftestf.f <<EOF
program fpthread
call PTHREADTEST
end
EOF
# C module
if test -f conftest.h; then
lam_conftest_h="#include \"conftest.h\""
else
lam_conftest_h=""
fi
cat > conftest.c <<EOF
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
$lam_conftest_h
#ifdef __cplusplus
extern "C" {
#endif
void $lam_ac_thread_fn()
{
pthread_t th;
pthread_join(th, 0);
pthread_attr_init(0);
pthread_create(0,0,0,0);
}
#ifdef __cplusplus
}
#endif
EOF
# Try the compile
LAM_LOG_COMMAND(
[$CC $CFLAGS -I. -c conftest.c],
LAM_LOG_COMMAND(
[$F77 $FFLAGS conftestf.f conftest.o -o conftest $LDFLAGS $LIBS],
[HAPPY=1],
[HAPPY=0]),
[HAPPY=0])
if test "$HAPPY" = "1"; then
$1
else
LAM_LOG_MSG([here is the C program:], 1)
LAM_LOG_FILE([conftest.c])
if test -f conftest.h; then
LAM_LOG_MSG([here is contest.h:], 1)
LAM_LOG_FILE([conftest.h])
fi
LAM_LOG_MSG([here is the fortran program:], 1)
LAM_LOG_FILE([conftestf.f])
$2
fi
unset HAPPY lam_conftest_h
/bin/rm -f conftest*
# END: LAM_INTL_PTHREAD_TRY_LINK_F77
])dnl
# ********************************************************************
#
# Try to compile thread support without any special flags
#
# ********************************************************************
AC_DEFUN([LAM_INTL_POSIX_THREADS_PLAIN_C], [
#
# C compiler
#
if test "$lam_pthread_c_success" = "0"; then
AC_MSG_CHECKING([if C compiler and POSIX threads work as is])
if test "$HAVE_POSIX_THREADS" = "1" ; then
run_this_test=1
else
case "${host_cpu}-${host_os}" in
*solaris*)
AC_MSG_RESULT([no - Solaris, not checked])
run_this_test=0
;;
*-aix* | *-freebsd*)
if test "`echo $CPPFLAGS | grep 'D_THREAD_SAFE'`" = ""; then
PTRHEAD_CPPFLAGS="-D_THREAD_SAFE"
CPPFLAGS="$CPPFLAGS $PTHREAD_CPPFLAGS"
fi
run_this_test=1
;;
*)
if test "`echo $CPPFLAGS | grep 'D_REENTRANT'`" = ""; then
PTHREAD_CPPFLAGS="-D_REENTRANT"
CPPFLAGS="$CPPFLAGS $PTHREAD_CPPFLAGS"
fi
run_this_test=1
;;
esac
fi
if test "$run_this_test" = "1" ; then
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_c_success=1,
lam_pthread_c_success=0)
AC_LANG_POP(C)
if test "$lam_pthread_c_success" = "1"; then
AC_MSG_RESULT([yes])
else
PTHREAD_CPPFLAGS=
CPPFLAGS="$orig_CPPFLAGS"
AC_MSG_RESULT([no])
fi
fi
fi
])dnl
AC_DEFUN([LAM_INTL_POSIX_THREADS_PLAIN_CXX], [
#
# C++ compiler
#
if test "$lam_pthread_cxx_success" = "0"; then
AC_MSG_CHECKING([if C++ compiler and POSIX threads work as is])
if test "$HAVE_POSIX_THREADS" = "1" ; then
run_this_test=1
else
case "${host_cpu}-${host_os}" in
*solaris*)
AC_MSG_RESULT([no - Solaris, not checked])
run_this_test=0
;;
*-aix* | *-freebsd*)
if test "`echo $CXXCPPFLAGS | grep 'D_THREAD_SAFE'`" = ""; then
PTRHEAD_CXXCPPFLAGS="-D_THREAD_SAFE"
CXXCPPFLAGS="$CXXCPPFLAGS $PTHREAD_CXXCPPFLAGS"
fi
run_this_test=1
;;
*)
if test "`echo $CXXCPPFLAGS | grep 'D_REENTRANT'`" = ""; then
PTHREAD_CXXCPPFLAGS="-D_REENTRANT"
CXXCPPFLAGS="$CXXCPPFLAGS $PTHREAD_CXXCPPFLAGS"
fi
run_this_test=1
;;
esac
fi
if test "$run_this_test" = "1" ; then
AC_LANG_PUSH(C++)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_cxx_success=1,
lam_pthread_cxx_success=0)
AC_LANG_POP(C++)
if test "$lam_pthread_cxx_success" = "1"; then
AC_MSG_RESULT([yes])
else
PTHREAD_CXXCPPFLAGS=
CXXCPPFLAGS="$orig_CXXCPPFLAGS"
AC_MSG_RESULT([no])
fi
fi
fi
])dnl
AC_DEFUN([LAM_INTL_POSIX_THREADS_PLAIN_FC], [
#
# Fortran compiler
#
if test "$lam_pthread_f77_success" = "0" -a "$LAM_WANT_FORTRAN" = "1"; then
AC_MSG_CHECKING([if F77 compiler and POSIX threads work as is])
if test "$HAVE_POSIX_THREADS" = "1" ; then
run_this_test=1
else
case "${host_cpu}-${host_os}" in
*solaris*)
AC_MSG_RESULT([no - Solaris, not checked])
run_this_test=0
;;
*)
run_this_test=1
;;
esac
fi
if test "$run_this_test" = "1" ; then
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK_F77(lam_pthread_f77_success=1,
lam_pthread_f77_success=0)
AC_LANG_POP(C)
if test "$lam_pthread_f77_success" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
fi
])dnl
AC_DEFUN([LAM_INTL_POSIX_THREADS_PLAIN], [
# BEGIN: LAM_INTL_POSIX_THREADS_PLAIN
#
# Check if can compile without any special flags
# we throw -D_REENTRANT or -D_THREAD_SAFE in here, just in
# case. Some systems (OS X, for example) generally don't need
# the defines, but then will on one system header here or there
# why take chances?
#
# Only run C++ and Fortran if those compilers already configured
AC_PROVIDE_IFELSE([AC_PROG_CC],
[LAM_INTL_POSIX_THREADS_PLAIN_C],
[lam_pthread_c_success=1])
AC_PROVIDE_IFELSE([AC_PROG_CXX],
[LAM_INTL_POSIX_THREADS_PLAIN_CXX],
[lam_pthread_cxx_success=1])
AC_PROVIDE_IFELSE([LAM_PROG_F77],
[LAM_INTL_POSIX_THREADS_PLAIN_FC],
[lam_pthread_f77_success=1])
# End: LAM_INTL_POSIX_THREADS_PLAIN
])dnl
# ********************************************************************
#
# Try to compile thread support with special compiler flags
#
# ********************************************************************
AC_DEFUN([LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS_C], [
#
# C compiler
#
if test "$lam_pthread_c_success" = "0"; then
for pf in $pflags; do
AC_MSG_CHECKING([if C compiler and POSIX threads work with $pf])
CFLAGS="$orig_CFLAGS $pf"
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_c_success=1,
lam_pthread_c_success=0)
AC_LANG_POP(C)
if test "$lam_pthread_c_success" = "1"; then
PTHREAD_CFLAGS="$pf"
AC_MSG_RESULT([yes])
break
else
PTHREAD_CFLAGS=
CFLAGS="$orig_CFLAGS"
AC_MSG_RESULT([no])
fi
done
fi
])
AC_DEFUN([LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS_CXX], [
#
# C++ compiler
#
if test "$lam_pthread_cxx_success" = "0"; then
for pf in $pflags; do
AC_MSG_CHECKING([if C++ compiler and POSIX threads work with $pf])
CXXFLAGS="$orig_CXXFLAGS $pf"
AC_LANG_PUSH(C++)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_cxx_success=1,
lam_pthread_cxx_success=0)
AC_LANG_POP(C++)
if test "$lam_pthread_cxx_success" = "1"; then
PTHREAD_CXXFLAGS="$pf"
AC_MSG_RESULT([yes])
break
else
PTHREAD_CXXFLAGS=
CXXFLAGS="$orig_CXXFLAGS"
AC_MSG_RESULT([no])
fi
done
fi
])
AC_DEFUN([LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS_FC], [
#
# Fortran compiler
#
if test "$lam_pthread_f77_success" = "0" -a "$LAM_WANT_FORTRAN" = "1"; then
for pf in $pflags; do
AC_MSG_CHECKING([if F77 compiler and POSIX threads work with $pf])
FFLAGS="$orig_FFLAGS $pf"
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK_F77(lam_pthread_f77_success=1,
lam_pthread_f77_success=0)
AC_LANG_POP(C)
if test "$lam_pthread_f77_success" = "1"; then
PTHREAD_FFLAGS="$pf"
AC_MSG_RESULT([yes])
break
else
PTHREAD_FFLAGS=
FFLAGS="$orig_FFLAGS"
AC_MSG_RESULT([no])
fi
done
fi
])
AC_DEFUN([LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS],[
# Begin: LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS
#
# If above didn't work, try some super-special compiler flags
# that get evaluated to the "right" things.
#
# -Kthread:
# -kthread: FreeBSD kernel threads
# -pthread: Modern GCC (most all platforms)
# -pthreads: GCC on solaris
# -mthreads:
# -mt: Solaris native compilers / HP-UX aCC
#
# Put -mt before -mthreads because HP-UX aCC will properly compile
# with -mthreads (reading as -mt), but emit a warning about unknown
# flags hreads. Stupid compilers.
pflags="-Kthread -kthread -pthread -pthreads -mt -mthreads"
# Only run C++ and Fortran if those compilers already configured
AC_PROVIDE_IFELSE([AC_PROG_CC],
[LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS_C],
[lam_pthread_c_success=1])
AC_PROVIDE_IFELSE([AC_PROG_CXX],
[LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS_CXX],
[lam_pthread_cxx_success=1])
AC_PROVIDE_IFELSE([LAM_PROG_F77],
[LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS_FC],
[lam_pthread_f77_success=1])
# End: LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS
])dnl
# ********************************************************************
#
# Try to compile thread support with extra libs
#
# ********************************************************************
AC_DEFUN([LAM_INTL_POSIX_THREADS_LIBS_C],[
#
# C compiler
#
if test "$lam_pthread_c_success" = "0"; then
for pl in $plibs; do
AC_MSG_CHECKING([if C compiler and POSIX threads work with $pl])
case "${host_cpu}-${host-_os}" in
*-aix* | *-freebsd*)
if test "`echo $CPPFLAGS | grep 'D_THREAD_SAFE'`" = ""; then
PTRHEAD_CPPFLAGS="-D_THREAD_SAFE"
CPPFLAGS="$CPPFLAGS $PTHREAD_CPPFLAGS"
fi
;;
*)
if test "`echo $CPPFLAGS | grep 'D_REENTRANT'`" = ""; then
PTHREAD_CPPFLAGS="-D_REENTRANT"
CPPFLAGS="$CPPFLAGS $PTHREAD_CPPFLAGS"
fi
;;
esac
LIBS="$orig_LIBS $pl"
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_c_success=1,
lam_pthread_c_success=0)
AC_LANG_POP(C)
if test "$lam_pthread_c_success" = "1"; then
PTHREAD_LIBS="$pl"
AC_MSG_RESULT([yes])
else
PTHREAD_CPPFLAGS=
CPPFLAGS="$orig_CPPFLAGS"
LIBS="$orig_LIBS"
AC_MSG_RESULT([no])
fi
done
fi
])dnl
AC_DEFUN([LAM_INTL_POSIX_THREADS_LIBS_CXX],[
#
# C++ compiler
#
if test "$lam_pthread_cxx_success" = "0"; then
if test ! "$lam_pthread_c_success" = "0" -a ! "$PTHREAD_LIBS" = "" ; then
AC_MSG_CHECKING([if C++ compiler and POSIX threads work with $PTHREAD_LIBS])
case "${host_cpu}-${host-_os}" in
*-aix* | *-freebsd*)
if test "`echo $CXXCPPFLAGS | grep 'D_THREAD_SAFE'`" = ""; then
PTRHEAD_CXXCPPFLAGS="-D_THREAD_SAFE"
CXXCPPFLAGS="$CXXCPPFLAGS $PTHREAD_CXXCPPFLAGS"
fi
;;
*)
if test "`echo $CXXCPPFLAGS | grep 'D_REENTRANT'`" = ""; then
PTHREAD_CXXCPPFLAGS="-D_REENTRANT"
CXXCPPFLAGS="$CXXCPPFLAGS $PTHREAD_CXXCPPFLAGS"
fi
;;
esac
LIBS="$orig_LIBS $PTHREAD_LIBS"
AC_LANG_PUSH(C++)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_cxx_success=1,
lam_pthread_cxx_success=0)
AC_LANG_POP(C++)
if test "$lam_pthread_cxx_success" = "1"; then
PTHREAD_LIBS="$pl"
AC_MSG_RESULT([yes])
else
CXXCPPFLAGS="$orig_CXXCPPFLAGS"
AC_MSG_RESULT([no])
AC_MSG_ERROR([Can not find working threads configuration. aborting])
fi
else
for pl in $plibs; do
AC_MSG_CHECKING([if C++ compiler and POSIX threads work with $pl])
case "${host_cpu}-${host-_os}" in
*-aix* | *-freebsd*)
if test "`echo $CXXCPPFLAGS | grep 'D_THREAD_SAFE'`" = ""; then
PTRHEAD_CXXCPPFLAGS="-D_THREAD_SAFE"
CXXCPPFLAGS="$CXXCPPFLAGS $PTHREAD_CXXCPPFLAGS"
fi
;;
*)
if test "`echo $CXXCPPFLAGS | grep 'D_REENTRANT'`" = ""; then
PTHREAD_CXXCPPFLAGS="-D_REENTRANT"
CXXCPPFLAGS="$CXXCPPFLAGS $PTHREAD_CXXCPPFLAGS"
fi
;;
esac
LIBS="$orig_LIBS $pl"
AC_LANG_PUSH(C++)
LAM_INTL_PTHREAD_TRY_LINK(lam_pthread_cxx_success=1,
lam_pthread_cxx_success=0)
AC_LANG_POP(C++)
if test "$lam_pthread_cxx_success" = "1"; then
PTHREAD_LIBS="$pl"
AC_MSG_RESULT([yes])
else
PTHREAD_CXXCPPFLAGS=
CXXCPPFLAGS="$orig_CXXCPPFLAGS"
AC_MSG_RESULT([no])
fi
done
fi
fi
])dnl
AC_DEFUN([LAM_INTL_POSIX_THREADS_LIBS_FC],[
#
# Fortran compiler
#
if test "$lam_pthread_f77_success" = "0" -a "$LAM_WANT_FORTRAN" = "1"; then
if test ! "$lam_pthread_c_success" = "0" -a ! "$PTHREAD_LIBS" = "" ; then
AC_MSG_CHECKING([if F77 compiler and POSIX threads work with $PTHREAD_LIBS])
LIBS="$orig_LIBS $PTHREAD_LIBS"
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK_F77(lam_pthread_f77_success=1,
lam_pthread_f77_success=0)
AC_LANG_POP(C)
LIBS="$orig_LIBS"
if test "$lam_pthread_f77_success" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([Can not find working threads configuration. aborting])
fi
else
for pl in $plibs; do
AC_MSG_CHECKING([if F77 compiler and POSIX threads work with $pl])
LIBS="$orig_LIBS $pl"
AC_LANG_PUSH(C)
LAM_INTL_PTHREAD_TRY_LINK_F77(lam_pthread_f77_success=1,
lam_pthread_f77_success=0)
AC_LANG_POP(C)
LIBS="$orig_LIBS"
if test "$lam_pthread_f77_success" = "1"; then
PTHREAD_LIBS="$pl"
AC_MSG_RESULT([yes])
break
else
AC_MSG_RESULT([no])
fi
done
fi
fi
])dnl
AC_DEFUN([LAM_INTL_POSIX_THREADS_LIBS],[
# Begin: LAM_INTL_POSIX_THREADS_LIBS
#
# if we can't find a super-special compiler flags, try some libraries.
# we throw -D_REENTRANT or -D_THREAD_SAFE in here, just in case. Some
# systems (OS X, for example) generally don't need the defines, but
# then will on one system header here or there why take chances?
#
# libpthreads: AIX - must check before libpthread
# liblthread: LinuxThreads on FreeBSD
# libpthread: The usual place (like we can define usual!)
plibs="-lpthreads -llthread -lpthread"
# Only run C++ and Fortran if those compilers already configured
AC_PROVIDE_IFELSE([AC_PROG_CC],
[LAM_INTL_POSIX_THREADS_LIBS_C],
[lam_pthread_c_success=1])
AC_PROVIDE_IFELSE([AC_PROG_CXX],
[LAM_INTL_POSIX_THREADS_LIBS_CXX],
[lam_pthread_cxx_success=1])
AC_PROVIDE_IFELSE([LAM_PROG_F77],
[LAM_INTL_POSIX_THREADS_LIBS_FC],
[lam_pthread_f77_success=1])
# End: LAM_INTL_POSIX_THREADS_LIBS]
)dnl
#********************************************************************
#
# External macro (aka, the real thing)
#
#********************************************************************
AC_DEFUN([LAM_CONFIG_POSIX_THREADS],[
lam_pthread_c_success=0
lam_pthread_f77_success=0
lam_pthread_cxx_success=0
orig_CFLAGS="$CFLAGS"
orig_FFLAGS="$FFLAGS"
orig_CXXFLAGS="$CXXFLAGS"
orig_CPPFLAGS="$CPPFLAGS"
orig_CXXCPPFLAGS="$CXXCPPFLAGS"
orig_LDFLAGS="$LDFLAGS"
orig_LIBS="$LIBS"
PTRHEAD_CFLAGS=
PTHREAD_FFLAGS=
PTHREAD_CXXFLAGS=
PTHREAD_CPPFLAGS=
PTHREAD_CXXCPPFLAGS=
PTHREAD_LDFLAGS=
PTHREAD_LIBS=
# Try with the basics, mam.
LAM_INTL_POSIX_THREADS_PLAIN
# Try the super-special compiler flags.
LAM_INTL_POSIX_THREADS_SPECIAL_FLAGS
# Try the normal linking methods (that's no fun)
LAM_INTL_POSIX_THREADS_LIBS
CFLAGS="$orig_CFLAGS"
FFLAGS="$orig_FFLAGS"
CXXFLAGS="$orig_CXXFLAGS"
CPPFLAGS="$orig_CPPFLAGS"
CXXCPPFLAGS="$orig_CXXCPPFLAGS"
LDFLAGS="$orig_LDFLAGS"
LIBS="$orig_LIBS"
if test "$LAM_WANT_FORTRAN" != "1"; then
lam_pthread_f77_success=1
fi
if test "$lam_pthread_c_success" = "1" -a \
"$lam_pthread_cxx_success" = "1" -a \
"$lam_pthread_f77_success" = "1"; then
internal_useless=1
$1
else
internal_useless=1
$2
fi
unset lam_pthread_c_success lam_pthread_f77_success lam_pthread_cxx_success
unset internal_useless
])dnl
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