openmpi/config/opal_get_version.m4

dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
dnl                         University Research and Technology
dnl                         Corporation.  All rights reserved.
dnl Copyright (c) 2004-2005 The University of Tennessee and The University
dnl                         of Tennessee Research Foundation.  All rights
dnl                         reserved.
dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
dnl                         University of Stuttgart.  All rights reserved.
dnl Copyright (c) 2004-2005 The Regents of the University of California.
dnl                         All rights reserved.
dnl Copyright (c) 2008-2014 Cisco Systems, Inc.  All rights reserved.
dnl Copyright (c) 2014      Intel, Inc. All rights reserved.
dnl Copyright (c) 2014      Research Organization for Information Science
dnl                         and Technology (RIST). All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl

dnl
dnl This file is also used as input to opal_get_version.sh.
dnl

# OPAL_GET_VERSION(version_file, variable_prefix)
# -----------------------------------------------
# parse version_file for version information, setting
# the following shell variables:
#
#  prefix_VERSION
#  prefix_BASE_VERSION
#  prefix_MAJOR_VERSION
#  prefix_MINOR_VERSION
#  prefix_RELEASE_VERSION
#  prefix_GREEK_VERSION
#  prefix_REPO_REV
#  prefix_TARBALL_VERSION
#  prefix_RELEASE_DATE
m4_define([OPAL_GET_VERSION],[
    dnl quote eval to suppress macro expansion with non-GNU m4
    if test -f "$1"; then
        srcdir=`dirname $1`
        opal_vers=`sed -n "
	t clear
	: clear
	s/^major/$2_MAJOR_VERSION/
	s/^minor/$2_MINOR_VERSION/
	s/^release/$2_RELEASE_VERSION/
	s/^greek/$2_GREEK_VERSION/
	s/^repo_rev/$2_REPO_REV/
	s/^tarball_version/$2_TARBALL_VERSION/
	s/^date/$2_RELEASE_DATE/
	t print
	b
	: print
	p" < "$1"`
	[eval] "$opal_vers"

        $2_VERSION="$$2_MAJOR_VERSION.$$2_MINOR_VERSION.$$2_RELEASE_VERSION"
        $2_VERSION="${$2_VERSION}${$2_GREEK_VERSION}"

        if test "$$2_TARBALL_VERSION" = ""; then
            $2_TARBALL_VERSION=$$2_VERSION
        fi

        m4_ifdef([AC_MSG_CHECKING],
                 [AC_MSG_CHECKING([for repo version])])

        # If repo_rev was not set in the VERSION file, then get it now
        if test "$$2_REPO_REV" = ""; then
            # See if we can find the "git" command.
            git_happy=0
            git --version > /dev/null 2>&1
            if test $? -eq 0; then
                git_happy=1
            fi

            # If we're in a git repo and we found the git command, use
            # git describe to get the repo rev
            if test -d "$srcdir/.git" && test $git_happy -eq 1; then
                if test "$srcdir" != "`pwd`"; then
                    git_save_dir=`pwd`
                    cd "$srcdir"
                    $2_REPO_REV=`git describe --tags --always`
                    cd "$git_save_dir"
                    unset git_save_dir
                else
                    $2_REPO_REV=`git describe --tags --always`
                fi
            else
                $2_REPO_REV="date`date '+%Y-%m-%d'`"
            fi
        fi

        m4_ifdef([AC_MSG_RESULT],
                 [AC_MSG_RESULT([$$2_REPO_REV])])
    fi
])