[libgtop/jjardon/gnome-common-removal] autogen.sh: Use autoreconf instead deprecated gnome-common

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 0c1be6e7b6266078aa2b5ae948cb63a88320fd3c
Author: Javier Jardón <jjardon gnome org>
Date:   Sat Feb 9 12:27:35 2019 +0000

    autogen.sh: Use autoreconf instead deprecated gnome-common
    
    See https://wiki.gnome.org/Projects/GnomeCommon/Migration

 autogen.sh | 48 ++++++++++++++++++++++++++++++++++--------------
 1 file changed, 34 insertions(+), 14 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 72573680..9d394bff 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,20 +1,40 @@
 #!/bin/sh
 # Run this to generate all the initial makefiles, etc.
+test -n "$srcdir" || srcdir=$(dirname "$0")
+test -n "$srcdir" || srcdir=.
 
-srcdir=`dirname $0`
-test -z "$srcdir" && srcdir=.
+olddir=$(pwd)
 
-(test -f $srcdir/configure.ac \
-  && test -f $srcdir/copyright.txt \
-  && test -d $srcdir/sysdeps) || {
-    echo -n "**Error**: Directory "\`$srcdir\'" does not look like the"
-    echo " top-level gnome directory"
-    exit 1
-}
+cd $srcdir
 
-which gnome-autogen.sh || {
-    echo "You need to install gnome-common from the GNOME CVS"
-    exit 1
+(test -f configure.ac) || {
+        echo "*** ERROR: Directory '$srcdir' does not look like the top-level project directory ***"
+        exit 1
 }
-REQUIRED_AUTOMAKE_VERSION=1.9
-. gnome-autogen.sh
+
+# shellcheck disable=SC2016
+PKG_NAME=$(autoconf --trace 'AC_INIT:$1' configure.ac)
+
+if [ "$#" = 0 -a "x$NOCONFIGURE" = "x" ]; then
+        echo "*** WARNING: I am going to run 'configure' with no arguments." >&2
+        echo "*** If you wish to pass any to it, please specify them on the" >&2
+        echo "*** '$0' command line." >&2
+        echo "" >&2
+fi
+
+aclocal --install || exit 1
+gtkdocize --copy || exit 1
+autoreconf --verbose --force --install || exit 1
+
+cd "$olddir"
+if [ "$NOCONFIGURE" = "" ]; then
+        $srcdir/configure "$@" || exit 1
+
+        if [ "$1" = "--help" ]; then
+                exit 0
+        else
+                echo "Now type 'make' to compile $PKG_NAME" || exit 1
+        fi
+else
+        echo "Skipping configure process."
+fi