Hi,
I am trying to cross-compile lttng-ust for a powerpc platform.
I get the following error during make:
../../../tools/lttng-gen-tp -o sample_tracepoint.h sample_tracepoint.tp
'import site' failed; use -v for traceback
Traceback (most recent call last):
File "../../../tools/lttng-gen-tp", line 19, in <module>
from __future__ import print_function
ImportError: No module named __future__
I believe the wrong python version is called ("python" instead of
"python2.7"), as the first line of tools/gen-tp reads:
#!/usr/bin/env python
Notice how I explicitly set the python version in my configure script:
ac_cv_header_linux_perf_event_h=no PYTHON=python2.7 ./configure
--target=powerpc-linux --host=powerpc-linux --build=i686-linux
--with-libtool-sysroot=/opt/eldk/powerpc/sysroots/powerpc-linux
--prefix=/usr
MAKEFLAGS= && DESTDIR=/opt/eldk/powerpc/sysroots/powerpc-linux make all
install install-strip pkgconfigdir=/tmp pkgconfig_DATA=
Which doesn't seem to help in this case though.
Any idea how to fix this?
I temporarily tried patching
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
which partially solves my problem; as a matter of fact, I get this new
error:
File "../../../tools/lttng-gen-tp", line 24, in <module>
import subprocess
ImportError: No module named subprocess
which is a somwhat different issue, as I'm now running python2.7 from
the sysroot of my cross-compiler environment (which doesn't apparently
have subprocess.py).
$ which python2.7
/opt/eldk/powerpc/sysroots/i686-eldk-linux/usr/bin/python2.7
Any suggestions here?
Even though it might look like the easiest solution, I'd rather not
install a native 2.7 (or higher) python version on my build machine.
Thank you!
Gerlando
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