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-rwxr-xr-xgrc/scripts/gnuradio-companion11
1 files changed, 10 insertions, 1 deletions
diff --git a/grc/scripts/gnuradio-companion b/grc/scripts/gnuradio-companion
index e76322b4d..dabca3028 100755
--- a/grc/scripts/gnuradio-companion
+++ b/grc/scripts/gnuradio-companion
@@ -39,10 +39,19 @@ Is the library path environment variable set correctly?
d.run()
exit(-1)
-from gnuradio import gr
from optparse import OptionParser
+import os
if __name__ == "__main__":
+ if ('GR_DONT_LOAD_PREFS' in os.environ.keys() and
+ (not 'GRC_BLOCKS_PATH' in os.environ.keys() or len(os.environ['GRC_BLOCKS_PATH']) == 0)):
+ d = gtk.MessageDialog(
+ type=gtk.MESSAGE_ERROR,
+ buttons=gtk.BUTTONS_CLOSE,
+ message_format="""Can't find block definitions. Use config.conf or GRC_BLOCKS_PATH. """)
+ d.set_title("No block definitions available.")
+ d.run()
+ exit(-1)
usage = 'usage: %prog [options] [saved flow graphs]'
version = """
GNU Radio Companion %s