File: autogen.sh

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#!/bin/sh
#
# Copyright by The HDF Group.                                              
# All rights reserved.                                                     
#                                                                          
# This file is part of HDF5. The full HDF5 copyright notice, including     
# terms governing use, modification, and redistribution, is contained in   
# the files COPYING and Copyright.html.  COPYING can be found at the root  
# of the source code distribution tree; Copyright.html can be found at the 
# root level of an installed copy of the electronic document set and is    
# linked from the top-level documents page.  It can also be found at       
# http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have access  
# to either file, you may request a copy from help@hdfgroup.org.           
#

# A script to reconfigure autotools for HDF5, and to recreate other
# generated files specifc to HDF5.
#
# IMPORTANT OS X NOTE
#
# If you are using OS X, you will probably not have the autotools
# installed, even if you have the Xcode command-line tools.
#
# The easiest way to fix this is to install everything via Homebrew:
#
#   http://brew.sh/
#
# After you install the base packages, install autoconf, automake,
# and libtool.
#
#   brew install autoconf
#   brew install automake
#   brew install libtool
#
# This only takes a few minutes. Note that libtool and libtoolize will
# be glibtool and glibtoolize so as not to conflict with Apple's non-gnu
# tools. This autogen.sh script handles this for you.
#
# END IMPORTANT OS X NOTE
#
# If you want to use a particular version of the autotools, the paths
# to each tool can be overridden using the following environment
# variables:
#
#   HDF5_ACLOCAL
#   HDF5_AUTOHEADER
#   HDF5_AUTOMAKE
#   HDF5_AUTOCONF
#   HDF5_LIBTOOL
#   HDF5_M4
#
# Note that aclocal will attempt to include libtool's share/aclocal
# directory.
#
# This script takes two potential options:
#
# -p
#
# When this is selected, the autotools versions are set to the paths
# and versions used by The HDF Group to produce the released versions
# of the library.
#
# NOTE: This is probably temporary. Once we update our dev machines
# to have recent versions of the autotools this option will probably
# be removed.
#
# -v
#
# This emits some extra information, mainly tool versions.

echo
echo "**************************"
echo "* HDF5 autogen.sh script *"
echo "**************************"
echo

# Default is not production
production=false

# Default is not verbose output
verbose=false

optspec=":hpv-"
while getopts "$optspec" optchar; do
    case "${optchar}" in
    h)
        echo "usage: $0 [OPTIONS]"
        echo
        echo "      -h      Print this help message."
        echo
        echo "      -p      Used by THG to use hard-codes autotools"
        echo "              paths on THG machines. Not for non-HDF-Group"
        echo "              users!"
        echo
        echo "      -v      Show more verbose output."
        echo
        echo "  NOTE: Each tool can be set via an environment variable."
        echo "        These are documented inside this autogen.sh script."
        echo
        exit 0
        ;;
    p)
        echo "Setting THG production mode..."
        echo
        production=true
        ;;
    v)
        echo "Setting verbosity: high"
        echo
        verbose=true
        ;;
    *)
        if [ "$OPTERR" != 1 ] || case $optspec in :*) ;; *) false; esac; then
            echo "ERROR: non-option argument: '-${OPTARG}'" >&2
            echo "Quitting"
            exit 1
        fi
        ;;
    esac
done

if [ "$production" = true ] ; then

    # Production mode
    #
    # Hard-code canonical HDF Group tool locations.

    # If paths to tools are not specified, assume they are
    # located in /usr/hdf/bin/AUTOTOOLS and set paths accordingly.
    if test -z ${HDF5_AUTOCONF}; then
        HDF5_AUTOCONF=/usr/hdf/bin/AUTOTOOLS/autoconf
    fi
    if test -z ${HDF5_AUTOMAKE}; then
        HDF5_AUTOMAKE=/usr/hdf/bin/AUTOTOOLS/automake
    fi
    if test -z ${HDF5_AUTOHEADER}; then
        HDF5_AUTOHEADER=/usr/hdf/bin/AUTOTOOLS/autoheader
    fi
    if test -z ${HDF5_ACLOCAL}; then
        HDF5_ACLOCAL=/usr/hdf/bin/AUTOTOOLS/aclocal
    fi
    if test -z ${HDF5_LIBTOOL}; then
        HDF5_LIBTOOL=/usr/hdf/bin/AUTOTOOLS/libtool
    fi
    if test -z ${HDF5_M4}; then
        HDF5_M4=/usr/hdf/bin/AUTOTOOLS/m4
    fi

else

    # Not in production mode
    #
    # If paths to autotools are not specified, use whatever the system
    # has installed as the default. We use 'which <tool>' to
    # show exactly what's being used.
    if test -z ${HDF5_AUTOCONF}; then
        HDF5_AUTOCONF=$(which autoconf)
    fi
    if test -z ${HDF5_AUTOMAKE}; then
        HDF5_AUTOMAKE=$(which automake)
    fi
    if test -z ${HDF5_AUTOHEADER}; then
        HDF5_AUTOHEADER=$(which autoheader)
    fi
    if test -z ${HDF5_ACLOCAL}; then
        HDF5_ACLOCAL=$(which aclocal)
    fi
    if test -z ${HDF5_LIBTOOL}; then
        case "`uname`" in
        Darwin*)
            # libtool on OS-X is non-gnu
            HDF5_LIBTOOL=$(which glibtool)
            ;;
        *)
            HDF5_LIBTOOL=$(which libtool)
            ;;
        esac
    fi
    if test -z ${HDF5_M4}; then
        HDF5_M4=$(which m4)
    fi

fi # production


# Make sure that these versions of the autotools are in the path
AUTOCONF_DIR=`dirname ${HDF5_AUTOCONF}`
LIBTOOL_DIR=`dirname ${HDF5_LIBTOOL}`
M4_DIR=`dirname ${HDF5_M4}`
PATH=${AUTOCONF_DIR}:${LIBTOOL_DIR}:${M4_DIR}:$PATH

# Make libtoolize match the specified libtool
case "`uname`" in
Darwin*)
    # On OS X, libtoolize could be named glibtoolize or
    # libtoolize. Try the former first, then fall back
    # to the latter if it's not found.
    HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/glibtoolize"
    if [ ! -f $HDF5_LIBTOOLIZE ] ; then
        HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
    fi
    ;;
*)
    HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
    ;;
esac

# Run autotools in order
#
# When available, we use the --force option to ensure all files are
# updated. This prevents the autotools from re-running to fix dependencies
# during the 'make' step, which can be a problem if environment variables
# were set on the command line during autogen invocation.

# Some versions of libtoolize will suggest that we add ACLOCAL_AMFLAGS
# = '-I m4'. This is already done in commence.am, which is included
# in Makefile.am. You can ignore this suggestion.

# LIBTOOLIZE
libtoolize_cmd="${HDF5_LIBTOOLIZE} --copy --force"
echo ${libtoolize_cmd}
if [ "$verbose" = true ] ; then
    ${HDF5_LIBTOOLIZE} --version
fi
${libtoolize_cmd} || exit 1
echo
echo "NOTE: You can ignore the warning about adding -I m4."
echo "      We already do this in an included file."
echo

# ACLOCAL
if test -e "${LIBTOOL_DIR}/../share/aclocal" ; then
    aclocal_include="-I ${LIBTOOL_DIR}/../share/aclocal"
fi
aclocal_cmd="${HDF5_ACLOCAL} --force -I m4 ${aclocal_include}"
echo ${aclocal_cmd}
if [ "$verbose" = true ] ; then
    ${HDF5_ACLOCAL} --version
fi
${aclocal_cmd} || exit 1
echo

# AUTOHEADER
autoheader_cmd="${HDF5_AUTOHEADER} --force"
echo ${autoheader_cmd}
if [ "$verbose" = true ] ; then
    ${HDF5_AUTOHEADER} --version
fi
${autoheader_cmd} || exit 1
echo

# AUTOMAKE
automake_cmd="${HDF5_AUTOMAKE} --copy --add-missing --force-missing"
echo ${automake_cmd}
if [ "$verbose" = true ] ; then
    ${HDF5_AUTOMAKE} --version
fi
${automake_cmd} || exit 1
echo

# AUTOCONF
autoconf_cmd="${HDF5_AUTOCONF} --force"
echo ${autoconf_cmd}
if [ "$verbose" = true ] ; then
    ${HDF5_AUTOCONF} --version
fi
${autoconf_cmd} || exit 1
echo

# Run scripts that process source.

# Run trace script
# The trace script adds H5TRACE macros to library source files.  It should
# have no effect on files that don't have HDF5 API macros in them.
echo
echo "Running trace script:"
bin/trace src/H5*.c || exit 1

# Run make_err
# make_err automatically generates the H5E headers that create error message
# types for HDF5.
echo
echo "Running error generation script:"
bin/make_err src/H5err.txt || exit 1

# Run make_vers
# make_vers automatically generates the public headers that define the API version
# macros for HDF5.
echo
echo "Running API version generation script:"
bin/make_vers src/H5vers.txt || exit 1

# Run make_overflow
# make_overflow automatically generates macros for detecting overflows for type
# conversion.
echo
echo "Running overflow macro generation script:"
bin/make_overflow src/H5overflow.txt || exit 1

echo
exit 0