From 71694ded5f98cb2ee6514352970f642ab2565934 Mon Sep 17 00:00:00 2001
From: Christian Engwer <christi@dune-project.org>
Date: Tue, 18 Jul 2006 18:22:21 +0000
Subject: [PATCH] mpi-config script that might by used to extract the compiler
parameters for MPI. This might be useful for those people who wnat to compile
alugrid with MPI and want to easily switch the compiler.
[[Imported from SVN: r4620]]
---
bin/mpi-config | 297 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 297 insertions(+)
create mode 100755 bin/mpi-config
diff --git a/bin/mpi-config b/bin/mpi-config
new file mode 100755
index 000000000..91fed0792
--- /dev/null
+++ b/bin/mpi-config
@@ -0,0 +1,297 @@
+#!/bin/sh
+
+set -e
+
+version=0.1
+verbose=0
+
+usage()
+{
+ cat <<EOF
+Usage: mpi-config [OPTIONS] [LIBRARIES]
+Options:
+ [--mpicc[=COMPILER]]
+ [--disable-cxx]
+ [--verbose]
+ [--version]
+ [--mpiversion]
+ [--libs]
+ [--cflags]
+EOF
+ exit $1
+}
+
+if test $# -eq 0 ; then
+ usage 1 1>&2
+fi
+
+while test $# -gt 0 ; do
+ case "$1" in
+ -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
+ *) optarg= ;;
+ esac
+
+ case $1 in
+ --mpicc=*)
+ MPICC=$optarg
+ ;;
+ --version)
+ echo $version
+ exit 0
+ ;;
+ --verbose)
+ verbose=1
+ ;;
+ --disable-cxx)
+ disablecxx=yes
+ ;;
+ --mpiversion)
+ tasks="$tasks print_mpiversion"
+ ;;
+ --cflags)
+ tasks="$tasks print_cflags"
+ ;;
+ --libs)
+ tasks="$tasks print_libs"
+ ;;
+ *)
+ usage 1 1>&2
+ ;;
+ esac
+ shift
+done
+
+if test x$MPICC == x ; then
+ MPICC=mpicc
+fi
+
+mpi_trybuild () {
+ $MPICC ${1} > /dev/null 2>&1 || return 1
+ return 0
+}
+
+mpi_preprocess () {
+ $MPICC -E -c ${1} 2> /dev/null
+}
+
+mpi_getflags () {
+ # -- call mpiCC, remove compiler name
+ # compiler-name is first word in line _if_ it doesn't start with a dash!
+ # needed because mpiCC sometimes does not include compiler (newer LAM)
+
+ # the additional brackets keep m4 from interpreting the brackets
+ # in the sed-command...
+ retval=`$MPICC ${1} ${2} 2>/dev/null | head -1 | sed -e 's/^[^-][^ ]\+ //'`
+ # remove dummy-parameter (if existing)
+ if test ${#} = 2 ; then
+ retval=`echo $retval | sed -e "s/${2}//"`
+ fi
+}
+# removes regexp $2 from string $1
+mpi_remove () {
+ retval=`echo ${1} | sed -e "s/${2}//"`
+}
+
+msg_checking() {
+ if test $verbose -gt 0; then
+ echo -n "checking $@..."
+ fi
+}
+
+msg_result() {
+ if test $verbose -gt 0; then
+ echo " $@"
+ fi
+}
+
+msg_error() {
+ echo Error: $@
+ exit 1
+}
+
+test_lam () {
+ msg_checking for lam
+ cat >conftest.c <<_EOF
+#include <mpi.h>
+#include <stdio.h>
+#include <lam_config.h>
+
+int main() {
+ printf ("%i%i\n", LAM_MAJOR_VERSION, LAM_MINOR_VERSION);
+ return 0;
+ }
+_EOF
+
+ if mpi_trybuild "-c conftest.c"; then
+ # try new -showme:xxx function
+ mpi_getflags "-showme:compile"
+ if test x"$retval" != x ; then
+ # seems like LAM >= 7.1 which supports extraction of parameters without
+ # dummy files
+ MPI_VERSION="LAM >= 7.1"
+ MPI_CPPFLAGS="$retval"
+ mpi_getflags "-showme:link"
+ MPI_LDFLAGS="$retval"
+ else
+ MPI_VERSION="LAM < 7.1"
+ # use -showme and dummy parameters to extract flags
+ mpi_getflags "-showme" "-c $MPISOURCE"
+ MPI_CPPFLAGS="$retval"
+ mpi_getflags "-showme" "dummy.o -o dummy"
+ MPI_LDFLAGS="$retval"
+ fi
+ # hack in option to disable LAM-C++-bindings...
+ # we fake to have mpicxx.h read already
+ MPI_NOCXXFLAGS="-DMPIPP_H"
+ msg_result yes
+ rm -f conftest*
+ return 0
+ fi
+
+ rm -f conftest*
+ msg_result no
+ return 1
+}
+
+test_mpich () {
+ msg_checking for mpich
+ cat >conftest.c <<_EOF
+#include <mpi.h>
+
+int main() { return 0; }
+_EOF
+
+ if (mpi_preprocess conftest.c \
+ | grep -q MPICHX_PARALLELSOCKETS_PARAMETERS); then
+ MPI_VERSION="MPICH"
+ # use special commands to extract options
+ mpi_getflags "-compile_info"
+ MPI_CPPFLAGS="$retval"
+ # remove implicitly set -c
+ mpi_remove "$MPI_CPPFLAGS" '-c'
+ MPI_CPPFLAGS="$retval"
+ mpi_getflags "-link_info"
+ MPI_LDFLAGS="$retval"
+ # hack in option to disable MPICH-C++-bindings...
+ MPI_NOCXXFLAGS="-DMPICH_SKIP_MPICXX"
+
+ msg_result yes
+ rm -f conftest*
+ return 0
+ fi
+
+ rm -f conftest*
+ msg_result no
+ return 1
+}
+
+test_openmpi () {
+ msg_checking for OpenMPI
+ cat >conftest.c <<_EOF
+#include <mpi.h>
+
+int main() { return 0; }
+_EOF
+
+ if (mpi_preprocess conftest.c | grep -q ompi_communicator_t); then
+ MPI_VERSION="OpenMPI"
+ MPI_NOCXXFLAGS="-DMPIPP_H"
+
+ msg_result yes
+ rm -f conftest*
+ return 0
+ fi
+
+ rm -f conftest*
+ msg_result no
+ return 1
+}
+
+test_ibmmpi() {
+ msg_checking for IBM MPI
+ if $MPICC -v -c conftest.c > /dev/null 2>&1; then
+ mpi_getflags "-v" "-c dummy.c"
+ if (echo $retval | grep '^xl[cC]'); then
+ MPI_VERSION="IBM MPI"
+
+ # mpCC passes on it's own parameter...
+ retval=`echo $retval | sed -e "s/-v//"`
+ # remove compiler name
+ retval=`echo $retval | sed -e 's/^xl[cC] //'`
+ # remove stuff we passed
+ retval=`echo $retval | sed -e "s/-c dummy.c//"`
+
+ # get compilation script
+# AC_LANG_CASE([C],[
+# MPICOMP="$MPICC"
+# dune_mpi_isgnu="$GCC"
+# ],
+# [C++],[
+# MPICOMP="$MPICXX"
+# dune_mpi_isgnu="$GXX"
+# ])
+ # mpCC assumes xlc is used...
+# if test x$dune_mpi_isgnu = xyes ; then
+# # change commandline if GNU compiler is used
+# retval=`echo $retval | sed -e 's/\(-b[[^ ]]*\)/-Xlinker \1/g'`
+# fi
+ MPI_CPPFLAGS="$retval"
+
+ mpi_getflags "-v" "dummy.o -o dummy"
+ # mpCC passes on it's own parameter...
+ retval=`echo $retval | sed -e "s/-v//"`
+ # remove compiler name
+ retval=`echo $retval | sed -e 's/^xl[cC] //'`
+ # remove stuff we passed
+ retval=`echo $retval | sed -e "s/dummy.o -o dummy//"`
+
+# if test x$dune_mpi_isgnu = xyes ; then
+# # change commandline if GNU compiler is used
+# retval=`echo $retval | sed -e 's/\(-b[[^ ]]*\)/-Xlinker \1/g'`
+# fi
+
+ MPI_LDFLAGS="$retval"
+
+ msg_result yes
+ rm -f conftest*
+ return 0
+ fi
+ fi
+}
+
+get_mpiparameters() {
+ if test x"$MPI_VERSION" != x; then
+ return
+ fi
+
+ test_lam && return
+ test_mpich && return
+ test_openmpi && return
+ test_ibmmpi && return
+
+ MPI_VERSION="unknown"
+ msg_error "Could not identify MPI-package! Please send a bugreport and tell us what MPI-package you're using."
+}
+
+print_mpiversion() {
+ get_mpiparameters
+ echo $MPI_VERSION
+}
+
+print_cflags() {
+ get_mpiparameters
+ local CFLAGS="$MPI_CPPFLAGS"
+ if test x$disablecxx == xyes; then
+ CFLAGS="$MPI_CPPFLAGS $MPI_NOCXXFLAGS"
+ fi
+ echo $CFLAGS
+}
+
+print_libs() {
+ get_mpiparameters
+ echo $MPI_LDFLAGS
+}
+
+for task in $tasks; do
+ eval $task
+done
--
GitLab