7 files changed, 49 insertions, 0 deletions
diff --git a/contrib/ubxtool b/contrib/ubxtool
index d8999ae4..6c6c3b1a 100755
--- a/contrib/ubxtool
+++ b/contrib/ubxtool
@@ -54,6 +54,12 @@ except ImportError:
                      PROG_NAME)
     sys.exit(2)
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("%s: ERROR: need gps module version %s, got %s\n" %
+                     (PROG_NAME, gps_version, gps.__version__))
+    sys.exit(1)
+
 
 VERB_QUIET = 0   # quiet
 VERB_NONE = 1    # just output requested data and some info
diff --git a/contrib/zerk b/contrib/zerk
index ff0a0b12..61ec5542 100755
--- a/contrib/zerk
+++ b/contrib/zerk
@@ -64,6 +64,12 @@ except ImportError:
                      PROG_NAME)
     sys.exit(2)
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("%s: ERROR: need gps module version %s, got %s\n" %
+                     (PROG_NAME, gps_version, gps.__version__))
+    sys.exit(1)
+
 
 VERB_QUIET = 0   # quiet
 VERB_NONE = 1    # just output requested data and some info
diff --git a/gegps b/gegps
index ae4956ac..1c6cf177 100755
--- a/gegps
+++ b/gegps
@@ -30,6 +30,12 @@ import sys
 
 import gps
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("gegps: ERROR: need gps module version %s, got %s\n" %
+                     (gps_version, gps.__version__))
+    sys.exit(1)
+
 KML_OPEN_IN_GE = '''\
 <?xml version="1.0" encoding="UTF-8"?>
 <kml xmlns="http://earth.google.com/kml/2.2">
diff --git a/gpsfake b/gpsfake
index 5d6a7988..301aa8ff 100755
--- a/gpsfake
+++ b/gpsfake
@@ -24,6 +24,12 @@ import time
 import gps
 import gps.fake as gpsfake   # The "as" pacifies pychecker
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("gpsfake: ERROR: need gps module version %s, got %s\n" %
+                     (gps_version, gps.__version__))
+    sys.exit(1)
+
 try:
     my_input = raw_input
 except NameError:
diff --git a/gpsprof b/gpsprof
index 03b74253..954356ca 100755
--- a/gpsprof
+++ b/gpsprof
@@ -29,6 +29,12 @@ import time
 
 import gps
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("gpsprof: ERROR: need gps module version %s, got %s\n" %
+                     (gps_version, gps.__version__))
+    sys.exit(1)
+
 debug = False
 
 
diff --git a/xgps b/xgps
index 654674f2..045b9808 100755
--- a/xgps
+++ b/xgps
@@ -40,6 +40,19 @@ from gi.repository import Pango  # pylint: disable=wrong-import-position
 import gps
 import gps.clienthelpers
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("xgps: ERROR: need gps module version %s, got %s\n" %
+                     (gps_version, gps.__version__))
+    sys.exit(1)
+
+
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("xgps: ERROR: need gps module version %s, got %s\n" %
+                     (gps_version, gps.__version__))
+    sys.exit(1)
+
 gui_about = '''\
 This is xgps, a test client for the gpsd daemon.
 
diff --git a/xgpsspeed b/xgpsspeed
index 06da1f22..f4e82425 100755
--- a/xgpsspeed
+++ b/xgpsspeed
@@ -20,6 +20,12 @@ from socket import error as SocketError
 
 import gps
 
+gps_version = '3.18-dev'
+if gps.__version__ != gps_version:
+    sys.stderr.write("xgpspeed: ERROR: need gps module version %s, got %s\n" %
+                     (gps_version, gps.__version__))
+    sys.exit(1)
+
 import cairo
 
 # Gtk3 imports.  Gtk3 requires the require_version(), which then causes