Lx03) Why does GuiEnv demos segmentation fail?
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This article is from the FAQ, by with numerous contributions by others.
Lx03) Why does GuiEnv demos segmentation fail?
With some Linux distributions, the demos in $BETALIB/guienv/v1.4/demos (aka
BETALIB/demo/guienv) all fail with a segmentation fault upon startup,
whereas, e.g. the MotifEnv demos all work correct.
The reason for this seems to be a buggy gcc used for producing some of the
files in the BETA releases r4.0 and r4.0.1. This was done at the time that
the Linux community was switching towards ELF binaries, and possibly this is
the reason, that gcc produced wrong files. The problem has not been observed
for release 4.0.2.
A workaround is to do the following (as the owner of BETALIB):
cd $BETALIB/guienv/v1.4/private/X11
chmod -R u+w .
rm linux/guienv_unix.o
rm linux/Canvas.o
rm linux/Button.o
rm linux/IconButton.o
rm linux/ToggleButton.o
beta guienv_unixbody
chmod -R a-w .
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