#! /bin/sh

# autogen.sh

# Copyright (C) 2003, 2014, 2017 g10 Code GmbH

#

# This file is free software; as a special exception the author gives

# unlimited permission to copy and/or distribute it, with or without

# modifications, as long as this notice is preserved.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the

# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

#

# This is a generic script to create the configure script and handle cross

# build environments.  It requires the presence of a autogen.rc file to

# configure it for the respective package.  It is maintained as part of

# GnuPG and source copied by other packages.

#

# Version: 2017-01-17

configure_ac="configure.ac"

cvtver () {

  awk 'NR==1 {split($NF,A,".");X=1000000*A[1]+1000*A[2]+A[3];print X;exit 0}'

}

check_version () {

    if [ $(( `("$1" --version || echo "0") | cvtver` >= $2 )) = 1 ]; then

       return 0

    fi

    echo "**Error**: "\`$1\'" not installed or too old." >&2

    echo '           Version '$3' or newer is required.' >&2

    [ -n "$4" ] && echo '           Note that this is part of '\`$4\''.' >&2

    DIE="yes"

    return 1

}

fatal () {

    echo "autogen.sh:" "$*" >&2

    DIE=yes

}

info () {

    if [ -z "${SILENT}" ]; then

      echo "autogen.sh:" "$*" >&2

    fi

}

die_p () {

  if [ "$DIE" = "yes" ]; then

    echo "autogen.sh: Stop." >&2

    exit 1

  fi

}

replace_sysroot () {

    configure_opts=$(echo $configure_opts | sed "s#@SYSROOT@#${w32root}#g")

    extraoptions=$(echo $extraoptions | sed "s#@SYSROOT@#${w32root}#g")

}

# Allow to override the default tool names

AUTOCONF=${AUTOCONF_PREFIX}${AUTOCONF:-autoconf}${AUTOCONF_SUFFIX}

AUTOHEADER=${AUTOCONF_PREFIX}${AUTOHEADER:-autoheader}${AUTOCONF_SUFFIX}

AUTOMAKE=${AUTOMAKE_PREFIX}${AUTOMAKE:-automake}${AUTOMAKE_SUFFIX}

ACLOCAL=${AUTOMAKE_PREFIX}${ACLOCAL:-aclocal}${AUTOMAKE_SUFFIX}

GETTEXT=${GETTEXT_PREFIX}${GETTEXT:-gettext}${GETTEXT_SUFFIX}

MSGMERGE=${GETTEXT_PREFIX}${MSGMERGE:-msgmerge}${GETTEXT_SUFFIX}

DIE=no

FORCE=

SILENT=

PRINT_HOST=no

PRINT_BUILD=no

tmp=$(dirname "$0")

tsdir=$(cd "${tmp}"; pwd)

version_parts=3

if [ -n "${AUTOGEN_SH_SILENT}" ]; then

  SILENT=" --silent"

fi

if test x"$1" = x"--help"; then

  echo "usage: ./autogen.sh [OPTIONS] [ARGS]"

  echo "  Options:"

  echo "    --silent       Silent operation"

  echo "    --force        Pass --force to autoconf"

  echo "    --find-version Helper for configure.ac"

  echo "    --build-TYPE   Configure to cross build for TYPE"

  echo "    --print-host   Print only the host triplet"

  echo "    --print-build  Print only the build platform triplet"

  echo ""

  echo "  ARGS are passed to configure in --build-TYPE mode."

  echo "  Configuration for this script is expected in autogen.rc"

  exit 0

fi

if test x"$1" = x"--silent"; then

  SILENT=" --silent"

  shift

fi

if test x"$1" = x"--force"; then

  FORCE=" --force"

  shift

fi

if test x"$1" = x"--print-host"; then

  PRINT_HOST=yes

  shift

fi

if test x"$1" = x"--print-build"; then

  PRINT_BUILD=yes

  shift

fi

# Reject unsafe characters in $HOME, $tsdir and cwd.  We consider spaces

# as unsafe because it is too easy to get scripts wrong in this regard.

am_lf='

'

case `pwd` in

  *[\;\\\"\#\$\&\'\`$am_lf\ \	]*)

    fatal "unsafe working directory name" ;;

esac

case $tsdir in

  *[\;\\\"\#\$\&\'\`$am_lf\ \	]*)

    fatal "unsafe source directory: \`$tsdir'" ;;

esac

case $HOME in

  *[\;\\\"\#\$\&\'\`$am_lf\ \	]*)

    fatal "unsafe home directory: \`$HOME'" ;;

esac

die_p

# List of variables sourced from autogen.rc.  The strings '@SYSROOT@' in

# these variables are replaced by the actual system root.

configure_opts=

extraoptions=

# List of optional variables sourced from autogen.rc and ~/.gnupg-autogen.rc

w32_toolprefixes=

w32_extraoptions=

w32ce_toolprefixes=

w32ce_extraoptions=

w64_toolprefixes=

w64_extraoptions=

amd64_toolprefixes=

# End list of optional variables sourced from ~/.gnupg-autogen.rc

# What follows are variables which are sourced but default to

# environment variables or lacking them hardcoded values.

#w32root=

#w32ce_root=

#w64root=

#amd64root=

# Convenience option to use certain configure options for some hosts.

myhost=""

myhostsub=""

case "$1" in

    --find-version)

        myhost="find-version"

        SILENT=" --silent"

        shift

        ;;

    --build-w32)

        myhost="w32"

        shift

        ;;

    --build-w32ce)

        myhost="w32"

        myhostsub="ce"

        shift

        ;;

    --build-w64)

        myhost="w32"

        myhostsub="64"

        shift

        ;;

    --build-amd64)

        myhost="amd64"

        shift

        ;;

    --build*)

        fatal "**Error**: invalid build option $1"

        shift

        ;;

    *)

        ;;

esac

die_p

# Source our configuration

if [ -f "${tsdir}/autogen.rc" ]; then

    . "${tsdir}/autogen.rc"

fi

# Source optional site specific configuration

if [ -f "$HOME/.gnupg-autogen.rc" ]; then

    info "sourcing extra definitions from $HOME/.gnupg-autogen.rc"

    . "$HOME/.gnupg-autogen.rc"

fi

# **** FIND VERSION ****

# This is a helper for the configure.ac M4 magic

# Called

#   ./autogen.sh --find-version PACKAGE MAJOR MINOR [MICRO]

# returns a complete version string with automatic beta numbering.

if [ "$myhost" = "find-version" ]; then

    package="$1"

    major="$2"

    minor="$3"

    micro="$4"

    if [ -z "$package" -o -z "$major" -o -z "$minor" ]; then

      echo "usage: ./autogen.sh --find-version PACKAGE MAJOR MINOR [MICRO]" >&2

      exit 1

    fi

    case "$version_parts" in

      2)

        matchstr1="$package-$major.[0-9]*"

        matchstr2="$package-$major-base"

        vers="$major.$minor"

        ;;

      *)

        matchstr1="$package-$major.$minor.[0-9]*"

        matchstr2="$package-$major.$minor-base"

        vers="$major.$minor.$micro"

        ;;

    esac

    beta=no

    if [ -e .git ]; then

      ingit=yes

      tmp=$(git describe --match "${matchstr1}" --long 2>/dev/null)

      tmp=$(echo "$tmp" | sed s/^"$package"//)

      if [ -n "$tmp" ]; then

          tmp=$(echo "$tmp" | sed s/^"$package"//  \

                | awk -F- '$3!=0 && $3 !~ /^beta/ {print"-beta"$3}')

      else

          tmp=$(git describe --match "${matchstr2}" --long 2>/dev/null \

                | awk -F- '$4!=0{print"-beta"$4}')

      fi

      [ -n "$tmp" ] && beta=yes

      rev=$(git rev-parse --short HEAD | tr -d '\n\r')

      rvd=$((0x$(echo ${rev} | dd bs=1 count=4 2>/dev/null)))

    else

      ingit=no

      beta=yes

      tmp="-unknown"

      rev="0000000"

      rvd="0"

    fi

    echo "$package-$vers$tmp:$beta:$ingit:$vers$tmp:$vers:$tmp:$rev:$rvd:"

    exit 0

fi

# **** end FIND VERSION ****

if [ ! -f "$tsdir/build-aux/config.guess" ]; then

    fatal "$tsdir/build-aux/config.guess not found"

    exit 1

fi

build=`$tsdir/build-aux/config.guess`

if [ $PRINT_BUILD = yes ]; then

    echo "$build"

    exit 0

fi

# ******************

#  W32 build script

# ******************

if [ "$myhost" = "w32" ]; then

    case $myhostsub in

        ce)

          w32root="$w32ce_root"

          [ -z "$w32root" ] && w32root="$HOME/w32ce_root"

          toolprefixes="$w32ce_toolprefixes arm-mingw32ce"

          extraoptions="$extraoptions $w32ce_extraoptions"

          ;;

        64)

          w32root="$w64root"

          [ -z "$w32root" ] && w32root="$HOME/w64root"

          toolprefixes="$w64_toolprefixes x86_64-w64-mingw32"

          extraoptions="$extraoptions $w64_extraoptions"

          ;;

        *)

          [ -z "$w32root" ] && w32root="$HOME/w32root"

          toolprefixes="$w32_toolprefixes i686-w64-mingw32 i586-mingw32msvc"

          toolprefixes="$toolprefixes i386-mingw32msvc mingw32"

          extraoptions="$extraoptions $w32_extraoptions"

          ;;

    esac

    info "Using $w32root as standard install directory"

    replace_sysroot

    # Locate the cross compiler

    crossbindir=

    for host in $toolprefixes; do

        if ${host}-gcc --version >/dev/null 2>&1 ; then

            crossbindir=/usr/${host}/bin

            conf_CC="CC=${host}-gcc"

            break;

        fi

    done

    if [ -z "$crossbindir" ]; then

        fatal "cross compiler kit not installed"

        if [ -z "$myhostsub" ]; then

          info "Under Debian GNU/Linux, you may install it using"

          info "  apt-get install mingw32 mingw32-runtime mingw32-binutils"

        fi

        die_p

    fi

    if [ $PRINT_HOST = yes ]; then

        echo "$host"

        exit 0

    fi

    if [ -f "$tsdir/config.log" ]; then

        if ! head $tsdir/config.log | grep "$host" >/dev/null; then

            fatal "Please run a 'make distclean' first"

            die_p

        fi

    fi

    $tsdir/configure --enable-maintainer-mode ${SILENT} \

             --prefix=${w32root}  \

             --host=${host} --build=${build} SYSROOT=${w32root} \

             PKG_CONFIG_LIBDIR=${w32root}/lib/pkgconfig \

             ${configure_opts} ${extraoptions} "$@"

    rc=$?

    exit $rc

fi

# ***** end W32 build script *******

# ***** AMD64 cross build script *******

# Used to cross-compile for AMD64 (for testing)

if [ "$myhost" = "amd64" ]; then

    [ -z "$amd64root" ] && amd64root="$HOME/amd64root"

    info "Using $amd64root as standard install directory"

    replace_sysroot

    toolprefixes="$amd64_toolprefixes x86_64-linux-gnu amd64-linux-gnu"

    # Locate the cross compiler

    crossbindir=

    for host in $toolprefixes ; do

        if ${host}-gcc --version >/dev/null 2>&1 ; then

            crossbindir=/usr/${host}/bin

            conf_CC="CC=${host}-gcc"

            break;

        fi

    done

    if [ -z "$crossbindir" ]; then

        echo "Cross compiler kit not installed" >&2

        echo "Stop." >&2

        exit 1

    fi

    if [ $PRINT_HOST = yes ]; then

        echo "$host"

        exit 0

    fi

    if [ -f "$tsdir/config.log" ]; then

        if ! head $tsdir/config.log | grep "$host" >/dev/null; then

            echo "Please run a 'make distclean' first" >&2

            exit 1

        fi

    fi

    $tsdir/configure --enable-maintainer-mode ${SILENT} \

             --prefix=${amd64root}  \

             --host=${host} --build=${build} \

             ${configure_opts} ${extraoptions} "$@"

    rc=$?

    exit $rc

fi

# ***** end AMD64 cross build script *******

# Grep the required versions from configure.ac

autoconf_vers=`sed -n '/^AC_PREREQ(/ {

s/^.*(\(.*\))/\1/p

q

}' ${configure_ac}`

autoconf_vers_num=`echo "$autoconf_vers" | cvtver`

automake_vers=`sed -n '/^min_automake_version=/ {

s/^.*="\(.*\)"/\1/p

q

}' ${configure_ac}`

automake_vers_num=`echo "$automake_vers" | cvtver`

if [ -d "${tsdir}/po" ]; then

  gettext_vers=`sed -n '/^AM_GNU_GETTEXT_VERSION(/ {

s/^.*\[\(.*\)])/\1/p

q

}' ${configure_ac}`

  gettext_vers_num=`echo "$gettext_vers" | cvtver`

else

  gettext_vers="n/a"

fi

if [ -z "$autoconf_vers" -o -z "$automake_vers" -o -z "$gettext_vers" ]

then

  echo "**Error**: version information not found in "\`${configure_ac}\'"." >&2

  exit 1

fi

if check_version $AUTOCONF $autoconf_vers_num $autoconf_vers ; then

    check_version $AUTOHEADER $autoconf_vers_num $autoconf_vers autoconf

fi

if check_version $AUTOMAKE $automake_vers_num $automake_vers; then

  check_version $ACLOCAL $automake_vers_num $autoconf_vers automake

fi

if [ "$gettext_vers" != "n/a" ]; then

  if check_version $GETTEXT $gettext_vers_num $gettext_vers; then

    check_version $MSGMERGE $gettext_vers_num $gettext_vers gettext

  fi

fi

if [ "$DIE" = "yes" ]; then

    cat <

Note that you may use alternative versions of the tools by setting

the corresponding environment variables; see README.GIT for details.

EOF

    die_p

fi

# Check the git setup.

if [ -d .git ]; then

  CP="cp -p"

  # If we have a GNU cp we can add -v

  if cp --version >/dev/null 2>/dev/null; then

    [ -z "${SILENT}" ] && CP="$CP -v"

  fi

  if [ -f .git/hooks/pre-commit.sample -a ! -f .git/hooks/pre-commit ] ; then

    [ -z "${SILENT}" ] && cat <

*** Activating trailing whitespace git pre-commit hook. ***

    For more information see this thread:

      https://mail.gnome.org/archives/desktop-devel-list/2009-May/msg00084.html

    To deactivate this pre-commit hook again move .git/hooks/pre-commit

    and .git/hooks/pre-commit.sample out of the way.

EOF

      $CP .git/hooks/pre-commit.sample .git/hooks/pre-commit

      chmod +x  .git/hooks/pre-commit

  fi

  if [ "$gettext_vers" != "n/a" ]; then

    tmp=$(git config --get filter.cleanpo.clean)

    if [ "$tmp" != \

          "awk '/^\"POT-Creation-Date:/&&!s{s=1;next};!/^#: /{print}'" ]

    then

      info "*** Adding GIT filter.cleanpo.clean configuration."

      git config --add filter.cleanpo.clean \

        "awk '/^\"POT-Creation-Date:/&&!s{s=1;next};!/^#: /{print}'"

    fi

  fi

  if [ -f build-aux/git-hooks/commit-msg -a ! -f .git/hooks/commit-msg ] ; then

      [ -z "${SILENT}" ] && cat <

*** Activating commit log message check hook. ***

EOF

      $CP build-aux/git-hooks/commit-msg .git/hooks/commit-msg

      chmod +x  .git/hooks/commit-msg

  fi

fi

aclocal_flags="-I m4"

if [ -n "${extra_aclocal_flags}" ]; then

  aclocal_flags="${aclocal_flags} ${extra_aclocal_flags}"

fi

if [ -n "${ACLOCAL_FLAGS}" ]; then

  aclocal_flags="${aclocal_flags} ${ACLOCAL_FLAGS}"

fi

info "Running $ACLOCAL ${aclocal_flags} ..."

$ACLOCAL ${aclocal_flags}

info "Running autoheader..."

$AUTOHEADER

info "Running automake --gnu ..."

$AUTOMAKE --gnu;

info "Running autoconf${FORCE} ..."

$AUTOCONF${FORCE}

info "You may now run:${am_lf}  ${final_info}"