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configure: Use -B switch only for Python versions which support it

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Commit 1d984a67a95d88f3e708b077dab8adeb47c38c93 added the -B switch
unconditionally. This breaks Python versions before 2.6 which don't
support that switch.

Now configure adds -B only if it is accepted by the Python interpreter.

This modification introduces a small incompatibility because -B might now
also be added when configure was called with --python=PYTHON_INTERPRETER.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Stefan Weil 2013-11-14 19:07:03 +01:00 committed by Michael Tokarev
parent 485e741cd1
commit 52510f8b2c
1 changed files with 8 additions and 1 deletions
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9
configure vendored
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@ -579,7 +579,7 @@ fi
: ${make=${MAKE-make}} : ${make=${MAKE-make}}
: ${install=${INSTALL-install}} : ${install=${INSTALL-install}}
: ${python=${PYTHON-python -B}} : ${python=${PYTHON-python}}
: ${smbd=${SMBD-/usr/sbin/smbd}} : ${smbd=${SMBD-/usr/sbin/smbd}}
# Default objcc to clang if available, otherwise use CC # Default objcc to clang if available, otherwise use CC
@ -1400,6 +1400,13 @@ if ! $python -c 'import sys; sys.exit(sys.version_info < (2,4) or sys.version_in
"Use --python=/path/to/python to specify a supported Python." "Use --python=/path/to/python to specify a supported Python."
fi fi
# The -B switch was added in Python 2.6.
# If it is supplied, compiled files are not written.
# Use it for Python versions which support it.
if $python -B -c 'import sys; sys.exit(0)' 2>/dev/null; then
python="$python -B"
fi
if test -z "${target_list+xxx}" ; then if test -z "${target_list+xxx}" ; then
target_list="$default_target_list" target_list="$default_target_list"
else else