[glade] build/linux/jhbuildrc: Allow the user to decide where to build the bundle

[Tristan Van Berkom <tvb src gnome org>]

commit 3f3818e4f08f979082d71b752f0f43cd6b44f8dc
Author: Tristan Van Berkom <tristan upstairslabs com>
Date:   Mon Dec 16 00:44:46 2013 +0900

    build/linux/jhbuildrc: Allow the user to decide where to build the bundle
    
    Checks the BUNDLE_ROOT environment variable.

 build/linux/jhbuildrc |   17 +++++++++--------
 1 files changed, 9 insertions(+), 8 deletions(-)
---
diff --git a/build/linux/jhbuildrc b/build/linux/jhbuildrc
index 57dcb83..3bf2a04 100644
--- a/build/linux/jhbuildrc
+++ b/build/linux/jhbuildrc
@@ -54,14 +54,15 @@ os.environ['JHBUILD_TRIGGERS'] = os.getenv('GLADE_DIR') + '/build/linux/triggers
 # A list of the modules to build.
 modules = [ 'glade' ]
 
-# Where to put the tarballs
-tarballdir = "~/AppImages/Tarballs"
-
-# Where to unpack sources
-checkoutroot = '~/AppImages/Sources'
-
-# the prefix to configure/install modules to (must have write access)
-prefix = '~/AppImages/Install'
+# Where to put the tarballs, sources and install prefix
+if os.environ.get('BUNDLE_ROOT') is not None:
+    tarballdir = os.environ.get('BUNDLE_ROOT') + '/Tarballs'
+    checkoutroot = os.environ.get('BUNDLE_ROOT') + '/Sources'
+    prefix = os.environ.get('BUNDLE_ROOT') + '/Install'
+else:
+    tarballdir = '~/AppImages/Tarballs'
+    checkoutroot = '~/AppImages/Sources'
+    prefix = '~/AppImages/Install'
 
 # Dont put anything into a lib64 directory, whether we build for
 # 32bit linux or 64bit linux, we want a constant path for the libraries