[gtk-mac-integration] Remove obsolete dependency on gnome-common.

[John Ralls <jralls src gnome org>]

commit c91baa5d0d0fd2c134c136501e3df52ca31fdacc
Author: John Ralls <jralls ceridwen us>
Date:   Mon Apr 30 11:05:49 2018 -0700

    Remove obsolete dependency on gnome-common.

 autogen.sh |   42 ++++++++++++++++++++++++++++++------------
 1 files changed, 30 insertions(+), 12 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 23df7d3..06571ce 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,21 +1,39 @@
 #!/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)
 
-PKG_NAME="gtk-mac-integration"
+cd $srcdir
 
-(test -f $srcdir/src/gtkosxapplication.c) || {
-    echo -n "**Error**: Directory "\`$srcdir\'" does not look like the"
-    echo " top-level $PKG_NAME directory"
-    exit 1
+(test -f configure.ac) || {
+        echo "*** ERROR: Directory '$srcdir' does not look like the top-level project directory ***"
+        exit 1
 }
 
-which gnome-autogen.sh || {
-    echo "You need to install gnome-common"
-    exit 1
-}
+# 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 -I m4 --install
+gtkdocize --copy || exit 1
+autoreconf --verbose --force --install || exit 1
 
-. gnome-autogen.sh
+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