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Edit File: cython.m4

dnl a macro to check for the installed Cython version; note PYTHON needs to dnl be set before this function is called. dnl CYTHON_CHECK_VERSION([MIN-VERSION], [ACTION-IF-TRUE], [ACTION-IF-FALSE]) AC_DEFUN([CYTHON_CHECK_VERSION], [prog="import sys from Cython.Compiler.Version import version def get_int(arg): try: return int(arg) except ValueError: return 0 # split strings by '.' and convert to numeric. Append some zeros # because we need at least 4 digits for the hex conversion. ver = map(get_int, version.rstrip('abcdefghijklmnopqrstuvwxyz').split('.')) + [[0, 0, 0]] verhex = 0 for i in range(0, 4): verhex = (verhex << 8) + ver[[i]] minver = map(get_int, '$1'.split('.')) + [[0, 0, 0]] minverhex = 0 for i in range(0, 4): minverhex = (minverhex << 8) + minver[[i]] sys.exit(verhex < minverhex)" AS_IF([AM_RUN_LOG([$PYTHON -c "$prog"])], [$2], [$3])])