[gtk-vnc] Add support for '--system' arg to autogen.sh

[Daniel P. Berrange <dberrange src gnome org>]

commit ea4e265997df85e3f1f2be7a952a02007507127d
Author: Daniel P. Berrange <berrange redhat com>
Date:   Thu Dec 15 10:08:58 2011 +0000

    Add support for '--system' arg to autogen.sh

 autogen.sh |   21 ++++++++++++++++++++-
 1 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 53f5ee4..508846c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -17,8 +17,27 @@ which gnome-autogen.sh || {
     exit 1
 }
 
+EXTRA_ARGS=""
+if test "x$1" = "x--system"; then
+    shift
+    prefix=/usr
+    libdir=$prefix/lib
+    sysconfdir=/etc
+    localstatedir=/var
+    if [ -d /usr/lib64 ]; then
+      libdir=$prefix/lib64
+    fi
+    EXTRA_ARGS="--prefix=$prefix --sysconfdir=$sysconfdir --localstatedir=$localstatedir --libdir=$libdir"
+    echo "Running ./configure with $EXTRA_ARGS $@"
+else
+    if test -z "$*" ; then
+        echo "I am going to run ./configure with no arguments - if you wish "
+        echo "to pass any to it, please specify them on the $0 command line."
+    fi
+fi
+
 # Real changelog is auto-generated from GIT logs at
 # make dist time, but automake requires that it
 # exists at all times :-(
 touch $srcdir/ChangeLog
-ACLOCAL_FLAGS="$ACLOCAL_FLAGS" USE_GNOME2_MACROS=1 . gnome-autogen.sh
+ACLOCAL_FLAGS="$ACLOCAL_FLAGS" USE_GNOME2_MACROS=1 . gnome-autogen.sh $EXTRA_ARGS "$@"