18 lines
817 B
Plaintext
18 lines
817 B
Plaintext
dnl a macro to check for the installed Pyrex version; note PYTHON needs to
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dnl be set before this function is called.
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dnl PYREX_CHECK_VERSION([MIN-VERSION], [ACTION-IF-TRUE], [ACTION-IF-FALSE])
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AC_DEFUN([PYREX_CHECK_VERSION],
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[prog="import sys
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from Pyrex.Compiler.Version import version
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# split strings by '.' and convert to numeric. Append some zeros
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# because we need at least 4 digits for the hex conversion.
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pyrexver = map(int, version.rstrip('abcdefghijklmnopqrstuvwxyz').split('.')) + [[0, 0, 0]]
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pyrexverhex = 0
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for i in xrange(0, 4): pyrexverhex = (pyrexverhex << 8) + pyrexver[[i]]
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minver = map(int, '$1'.split('.')) + [[0, 0, 0]]
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minverhex = 0
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for i in xrange(0, 4): minverhex = (minverhex << 8) + minver[[i]]
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sys.exit(pyrexverhex < minverhex)"
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AS_IF([AM_RUN_LOG([$PYTHON -c "$prog"])], [$2], [$3])])
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