00da8605a5
{{{
OMPI_VAR_SCOPE_PUSH([var1 var2 var3])
...use $var1 $var1 and $var3
OMPI_VAR_SCOPE_PUSH([var4 var5 var6])
...use $var1 $var1 and $var3
...use $var4 $var5 and $var6
OMPI_VAR_SCOPE_POP
...use $var1 $var1 and $var3
OMPI_VAR_SCOPE_POP
}}}
The PUSH macro does a simple sanity check to ensure that the variables
listed are not already set with other values. If they are set, it
will abort configure, assuming that this is a programming error. If
none of the names are set as environment variables containing values,
the names are saved for later POP'ing. The POP will unset all the
variables from a corresponding PUSH.
As the names imply, these macros effect a stack-like behavior. So a
POP must correspond to a PUSH, etc.
These macros are intended to be simple sanity checks for OMPI
configure programmers, and also help keep the environment clean by
unsetting variables when they are no longer used.
This commit was SVN r16592.
327 строки
8.8 KiB
Bash
327 строки
8.8 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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dnl University Research and Technology
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dnl Corporation. All rights reserved.
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dnl Copyright (c) 2004-2005 The University of Tennessee and The University
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dnl of Tennessee Research Foundation. All rights
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dnl reserved.
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dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2005 The Regents of the University of California.
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dnl All rights reserved.
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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AC_DEFUN([OMPI_CONFIGURE_SETUP],[
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# Some helper script functions. Unfortunately, we cannot use $1 kinds
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# of arugments here because of the m4 substitution. So we have to set
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# special variable names before invoking the function. :-\
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ompi_show_title() {
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cat <<EOF
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============================================================================
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== ${1}
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============================================================================
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EOF
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}
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ompi_show_subtitle() {
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cat <<EOF
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*** ${1}
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EOF
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}
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ompi_show_subsubtitle() {
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cat <<EOF
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+++ ${1}
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EOF
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}
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ompi_show_subsubsubtitle() {
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cat <<EOF
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--- ${1}
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EOF
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}
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#
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# Save some stats about this build
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#
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OMPI_CONFIGURE_USER="`whoami`"
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OMPI_CONFIGURE_HOST="`hostname | head -n 1`"
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OMPI_CONFIGURE_DATE="`date`"
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#
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# Save these details so that they can be used in ompi_info later
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#
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AC_SUBST(OMPI_CONFIGURE_USER)
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AC_SUBST(OMPI_CONFIGURE_HOST)
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AC_SUBST(OMPI_CONFIGURE_DATE)])dnl
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dnl #######################################################################
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dnl #######################################################################
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dnl #######################################################################
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AC_DEFUN([OMPI_BASIC_SETUP],[
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#
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# Save some stats about this build
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#
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OMPI_CONFIGURE_USER="`whoami`"
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OMPI_CONFIGURE_HOST="`hostname | head -n 1`"
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OMPI_CONFIGURE_DATE="`date`"
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#
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# Make automake clean emacs ~ files for "make clean"
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#
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CLEANFILES="*~ .\#*"
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AC_SUBST(CLEANFILES)
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#
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# This is useful later (ompi_info, and therefore mpiexec)
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#
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AC_CANONICAL_HOST
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AC_DEFINE_UNQUOTED(OMPI_ARCH, "$host", [OMPI architecture string])
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#
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# See if we can find an old installation of OMPI to overwrite
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#
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# Stupid autoconf 2.54 has a bug in AC_PREFIX_PROGRAM -- if ompi_clean
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# is not found in the path and the user did not specify --prefix,
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# we'll get a $prefix of "."
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ompi_prefix_save="$prefix"
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AC_PREFIX_PROGRAM(ompi_clean)
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if test "$prefix" = "."; then
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prefix="$ompi_prefix_save"
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fi
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unset ompi_prefix_save
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#
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# Basic sanity checking; we can't install to a relative path
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#
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case "$prefix" in
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/*/bin)
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prefix="`dirname $prefix`"
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echo installing to directory \"$prefix\"
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;;
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/*)
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echo installing to directory \"$prefix\"
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;;
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NONE)
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echo installing to directory \"$ac_default_prefix\"
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;;
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@<:@a-zA-Z@:>@:*)
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echo installing to directory \"$prefix\"
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;;
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*)
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AC_MSG_ERROR(prefix \"$prefix\" must be an absolute directory path)
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;;
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esac
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# Allow the --enable-dist flag to be passed in
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AC_ARG_ENABLE(dist,
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AC_HELP_STRING([--enable-dist],
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[guarantee that that the "dist" make target will be functional, although may not guarantee that any other make target will be functional.]),
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OMPI_WANT_DIST=yes, OMPI_WANT_DIST=no)
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if test "$OMPI_WANT_DIST" = "yes"; then
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AC_MSG_WARN([Configuring in 'make dist' mode])
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AC_MSG_WARN([Most make targets may be non-functional!])
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fi])dnl
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dnl #######################################################################
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dnl #######################################################################
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dnl #######################################################################
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AC_DEFUN([OMPI_LOG_MSG],[
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# 1 is the message
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# 2 is whether to put a prefix or not
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if test -n "$2"; then
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echo "configure:__oline__: $1" >&5
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else
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echo $1 >&5
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fi])dnl
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dnl #######################################################################
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dnl #######################################################################
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dnl #######################################################################
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AC_DEFUN([OMPI_LOG_FILE],[
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# 1 is the filename
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if test -n "$1" -a -f "$1"; then
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cat $1 >&5
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fi])dnl
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dnl #######################################################################
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dnl #######################################################################
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dnl #######################################################################
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AC_DEFUN([OMPI_LOG_COMMAND],[
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# 1 is the command
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# 2 is actions to do if success
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# 3 is actions to do if fail
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echo "configure:__oline__: $1" >&5
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$1 1>&5 2>&1
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ompi_status=$?
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OMPI_LOG_MSG([\$? = $ompi_status], 1)
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if test "$ompi_status" = "0"; then
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unset ompi_status
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$2
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else
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unset ompi_status
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$3
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fi])dnl
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dnl #######################################################################
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dnl #######################################################################
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dnl #######################################################################
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AC_DEFUN([OMPI_UNIQ],[
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# 1 is the variable name to be uniq-ized
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ompi_name=$1
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# Go through each item in the variable and only keep the unique ones
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ompi_count=0
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for val in ${$1}; do
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ompi_done=0
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ompi_i=1
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ompi_found=0
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# Loop over every token we've seen so far
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ompi_done="`expr $ompi_i \> $ompi_count`"
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while test "$ompi_found" = "0" -a "$ompi_done" = "0"; do
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# Have we seen this token already? Prefix the comparison with
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# "x" so that "-Lfoo" values won't be cause an error.
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ompi_eval="expr x$val = x\$ompi_array_$ompi_i"
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ompi_found=`eval $ompi_eval`
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# Check the ending condition
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ompi_done="`expr $ompi_i \>= $ompi_count`"
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# Increment the counter
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ompi_i="`expr $ompi_i + 1`"
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done
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# If we didn't find the token, add it to the "array"
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if test "$ompi_found" = "0"; then
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ompi_eval="ompi_array_$ompi_i=$val"
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eval $ompi_eval
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ompi_count="`expr $ompi_count + 1`"
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else
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ompi_i="`expr $ompi_i - 1`"
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fi
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done
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# Take all the items in the "array" and assemble them back into a
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# single variable
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ompi_i=1
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ompi_done="`expr $ompi_i \> $ompi_count`"
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ompi_newval=
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while test "$ompi_done" = "0"; do
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ompi_eval="ompi_newval=\"$ompi_newval \$ompi_array_$ompi_i\""
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eval $ompi_eval
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ompi_eval="unset ompi_array_$ompi_i"
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eval $ompi_eval
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ompi_done="`expr $ompi_i \>= $ompi_count`"
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ompi_i="`expr $ompi_i + 1`"
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done
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# Done; do the assignment
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ompi_newval="`echo $ompi_newval`"
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ompi_eval="$ompi_name=\"$ompi_newval\""
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eval $ompi_eval
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# Clean up
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unset ompi_name ompi_i ompi_done ompi_newval ompi_eval ompi_count])dnl
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dnl #######################################################################
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dnl #######################################################################
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dnl #######################################################################
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# Declare some variables; use OMPI_VAR_SCOPE_END to ensure that they
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# are cleaned up / undefined.
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AC_DEFUN([OMPI_VAR_SCOPE_PUSH],[
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# Is the private index set? If not, set it.
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if test "x$ompi_scope_index" = "x"; then
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ompi_scope_index=1
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fi
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# First, check to see if any of these variables are already set.
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# This is a simple sanity check to ensure we're not already
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# overwriting pre-existing variables (that have a non-empty
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# value). It's not a perfect check, but at least it's something.
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for ompi_var in $1; do
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ompi_str="ompi_str=\"\$$ompi_var\""
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eval $ompi_str
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if test "x$ompi_str" != "x"; then
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AC_MSG_WARN([Found configure shell variable clash!])
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AC_MSG_WARN([[OMPI_VAR_SCOPE_PUSH] called on "$ompi_var",])
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AC_MSG_WARN([but it is already defined with value "$ompi_str"])
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AC_MSG_WARN([This usually indicates an error in configure.])
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AC_MSG_ERROR([Cannot continue])
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fi
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done
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# Ok, we passed the simple sanity check. Save all these names so
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# that we can unset them at the end of the scope.
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ompi_str="ompi_scope_$ompi_scope_index=\"$1\""
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eval $ompi_str
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unset ompi_str
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env | grep ompi_scope
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ompi_scope_index=`expr $ompi_scope_index + 1`
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])dnl
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# Unset a bunch of variables that were previously set
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AC_DEFUN([OMPI_VAR_SCOPE_POP],[
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# Unwind the index
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ompi_scope_index=`expr $ompi_scope_index - 1`
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ompi_scope_test=`expr $ompi_scope_index \> 0`
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if test "$ompi_scope_test" = "0"; then
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AC_MSG_WARN([[OMPI_VAR_SCOPE_POP] popped too many OMPI configure scopes.])
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AC_MSG_WARN([This usually indicates an error in configure.])
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AC_MSG_ERROR([Cannot continue])
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fi
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# Get the variable names from that index
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ompi_str="ompi_str=\"\$ompi_scope_$ompi_scope_index\""
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eval $ompi_str
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# Iterate over all the variables and unset them all
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for ompi_var in $ompi_str; do
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unset $ompi_var
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done
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])dnl
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