23 lines
888 B
Plaintext
23 lines
888 B
Plaintext
|
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])])
|
||
|
|
|