[gnome-calculator] Modernize autogen.sh

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f592f8c3774bed4f0dc32b0a0a8c9b037fa05ff3
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri May 22 10:18:33 2015 -0500

    Modernize autogen.sh

 autogen.sh |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 6bd2f06..77f1d2c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,15 +1,15 @@
 #!/bin/sh
-# Run this to generate all the initial makefiles, etc.
-
 srcdir=`dirname $0`
-test -z "$srcdir" && srcdir=.
+[ -z "$srcdir" ] && srcdir=.
 
-PKG_NAME="gnome-calculator"
-REQUIRED_AUTOMAKE_VERSION=1.7
-REQUIRED_YELP_TOOLS_VERSION=3.1.1
+if [ ! -f "$srcdir/configure.ac" ]; then
+       echo "$srcdir doesn't look like source directory for GNOME Calculator" >&2
+       exit 1
+fi
 
 which gnome-autogen.sh || {
-    echo "You need to install gnome-common from the GNOME CVS"
-    exit 1
+       echo "You need to install gnome-common from GNOME Git"
+       exit 1
 }
-USE_GNOME2_MACROS=1 USE_COMMON_DOC_BUILD=yes . gnome-autogen.sh
+
+. gnome-autogen.sh "$@"