Add 'autogen.sh' from GnuPG.

* autogen.rc: New configuration file.
* autogen.sh: New file.

Signed-off-by: Justus Winter <justus@g10code.com>

autogen.rc

@@ -0,0 +1,4 @@
+# autogen.sh configuration for Scute                           -*- sh -*-
+
+extra_aclocal_flags=""
+final_info="./configure --enable-maintainer-mode  && make"

autogen.sh

@@ -1,7 +1,6 @@
 #! /bin/sh
-# Run this to generate all the initial makefiles, etc. 
-#
-# Copyright (C) 2003 g10 Code GmbH
+# autogen.sh
+# Copyright (C) 2003, 2014 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
@@ -10,6 +9,13 @@
 # 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: 2014-06-06
 
 configure_ac="configure.ac"
 
@@ -18,7 +24,7 @@ cvtver () {
 }
 
 check_version () {
-    if [ `("$1" --version || echo "0") | cvtver` -ge "$2" ]; then
+    if [ $(( `("$1" --version || echo "0") | cvtver` >= $2 )) = 1 ]; then
        return 0
     fi
     echo "**Error**: "\`$1\'" not installed or too old." >&2
@@ -28,31 +34,254 @@ check_version () {
     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 [--silent] [--force] [--build-TYPE] [ARGS]"
+  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
 
 
-# ***** W32 build script *******
-# Used to cross-compile for Windows.
-if test "$1" = "--build-w32"; then
-    tmp=`dirname $0`
-    tsdir=`cd "$tmp"; pwd`
-    shift
-    if [ ! -f $tsdir/config.guess ]; then
-        echo "$tsdir/config.guess not found" >&2
-        exit 1
+# 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="$4"
+
+    case "$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.$micro"
+        ;;
+    esac
+
+    beta=no
+    if [ -d .git ]; then
+      ingit=yes
+      tmp=$(git describe --match "${matchstr1}" --long 2>/dev/null)
+      if [ -n "$tmp" ]; then
+          tmp=$(echo "$tmp"|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 ${rev} | head -c 4)))
+    else
+      ingit=no
+      beta=yes
+      tmp="-unknown"
+      rev="0000000"
+      rvd="0"
     fi
-    build=`$tsdir/config.guess`
 
-    [ -z "$w32root" ] && w32root="$HOME/w32root"
-    echo "Using $w32root as standard install directory" >&2
-    
+    echo "$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 i586-mingw32msvc i386-mingw32msvc mingw32; do
+    for host in $toolprefixes; do
         if ${host}-gcc --version >/dev/null 2>&1 ; then
             crossbindir=/usr/${host}/bin
             conf_CC="CC=${host}-gcc"
@@ -60,49 +289,47 @@ if test "$1" = "--build-w32"; then
         fi
     done
     if [ -z "$crossbindir" ]; then
-        echo "Cross compiler kit not installed" >&2
-        echo "Under Debian GNU/Linux, you may install it using" >&2
-        echo "  apt-get install mingw32 mingw32-runtime mingw32-binutils" >&2 
-        echo "Stop." >&2
-        exit 1
+        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
-            echo "Pease run a 'make distclean' first" >&2
-            exit 1
+            fatal "Please run a 'make distclean' first"
+            die_p
         fi
     fi
 
-    ./configure --enable-maintainer-mode  --prefix=${w32root}  \
-            --host=${host} --build=${build} \
-            --with-libassuan-prefix=${w32root} \
-            --with-gpg-error-prefix=${w32root}  "$@"
-
-    exit $?
+    $tsdir/configure --enable-maintainer-mode ${SILENT} \
+             --prefix=${w32root}  \
+             --host=${host} --build=${build} SYSROOT=${w32root} \
+             PKG_CONFIG_LIBDIR=${w32root} \
+             ${configure_opts} ${extraoptions} "$@"
+    rc=$?
+    exit $rc
 fi
 # ***** end W32 build script *******
 
-
 # ***** AMD64 cross build script *******
 # Used to cross-compile for AMD64 (for testing)
-if test "$1" = "--build-amd64"; then
-    tmp=`dirname $0`
-    tsdir=`cd "$tmp"; pwd`
-    shift
-    if [ ! -f $tsdir/config.guess ]; then
-        echo "$tsdir/config.guess not found" >&2
-        exit 1
-    fi
-    build=`$tsdir/config.guess`
-
+if [ "$myhost" = "amd64" ]; then
     [ -z "$amd64root" ] && amd64root="$HOME/amd64root"
-    echo "Using $amd64root as standard install directory" >&2
-    
+    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 x86_64-linux-gnu amd64-linux-gnu; do
+    for host in $toolprefixes ; do
         if ${host}-gcc --version >/dev/null 2>&1 ; then
             crossbindir=/usr/${host}/bin
             conf_CC="CC=${host}-gcc"
@@ -114,7 +341,11 @@ if test "$1" = "--build-amd64"; then
         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
@@ -122,56 +353,45 @@ if test "$1" = "--build-amd64"; then
         fi
     fi
 
-    $tsdir/configure --enable-maintainer-mode --prefix=${amd64root}  \
+    $tsdir/configure --enable-maintainer-mode ${SILENT} \
+             --prefix=${amd64root}  \
              --host=${host} --build=${build} \
-             --with-gpg-error-prefix=${amd64root} 
-
+             ${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(/ { 
+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=/ { 
+automake_vers=`sed -n '/^min_automake_version=/ {
 s/^.*="\(.*\)"/\1/p
 q
 }' ${configure_ac}`
 automake_vers_num=`echo "$automake_vers" | cvtver`
 
-#gettext_vers=`sed -n '/^AM_GNU_GETTEXT_VERSION(/ { 
-#s/^.*(\(.*\))/\1/p
-#q
-#}' ${configure_ac}`
-#gettext_vers_num=`echo "$gettext_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" ]
+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
 
-# 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
-
 
 if check_version $AUTOCONF $autoconf_vers_num $autoconf_vers ; then
     check_version $AUTOHEADER $autoconf_vers_num $autoconf_vers autoconf
@@ -179,27 +399,71 @@ fi
 if check_version $AUTOMAKE $automake_vers_num $automake_vers; then
   check_version $ACLOCAL $automake_vers_num $autoconf_vers automake
 fi
-#if check_version $GETTEXT $gettext_vers_num $gettext_vers; then
-#  check_version $MSGMERGE $gettext_vers_num $gettext_vers gettext
-#fi
+if [ "$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 test "$DIE" = "yes"; then
+if [ "$DIE" = "yes" ]; then
     cat <<EOF
 
-Note that you may use alternative versions of the tools by setting 
-the corresponding environment variables; see README.CVS for details.
-                   
+Note that you may use alternative versions of the tools by setting
+the corresponding environment variables; see README.GIT for details.
+
 EOF
-    exit 1
+    die_p
 fi
 
-echo "Running aclocal -I m4 ${ACLOCAL_FLAGS:+$ACLOCAL_FLAGS }..."
-$ACLOCAL -I m4 $ACLOCAL_FLAGS
-echo "Running autoheader..."
+# Check the git setup.
+if [ -d .git ]; then
+  CP="cp -a"
+  [ -z "${SILENT}" ] && CP="$CP -v"
+  if [ -f .git/hooks/pre-commit.sample -a ! -f .git/hooks/pre-commit ] ; then
+    [ -z "${SILENT}" ] && cat <<EOF
+*** Activating trailing whitespace git pre-commit hook. ***
+    For more information see this thread:
+      http://mail.gnome.org/archives/desktop-devel-list/2009-May/msg00084html
+    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 <<EOF
+*** 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..."
 $AUTOHEADER
-echo "Running automake --gnu ..."
-$AUTOMAKE --gnu
-echo "Running autoconf${FORCE} ..."
+info "Running automake --gnu ..."
+$AUTOMAKE --gnu;
+info "Running autoconf${FORCE} ..."
 $AUTOCONF${FORCE}
 
-echo "You may now run \"./configure --enable-maintainer-mode && make\"."
+info "You may now run:${am_lf}  ${final_info}"