kc3-lang/automake/m4

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  • Hash : ed8daa06
    Author : Joshua Root
    Date : 2021-05-18T15:11:59 

    python: use Python's sys.prefix and sys.exec_prefix

for PYTHON_PREFIX and PYTHON_EXEC_PREFIX; new configure options
--with-python_prefix and --with-python_exec_prefix to set explicitly.

This change fixes https://bugs.gnu.org/35322.

* m4/python.m4 (AM_PATH_PYTHON): use Python's sys.prefix and
sys.exec_prefix for PYTHON_PREFIX and PYTHON_EXEC_PREFIX,
instead of $prefix and $exec_prefix. But use a variable
reference to ${prefix} if it is contained within sys.prefix;
similarly for exec_prefix. Also support new configure options
to set explicitly.
(PYTHON_PREFIX, PYTHON_EXEC_PREFIX): AC_SUBST these.
(am_cv_python_pythondir): use our new $am_cv_python_prefix,
substituting ${PYTHON_PREFIX}.
(am_cv_python_pyexecdir): likewise.
* doc/automake.texi (Python): PYTHON_PREFIX, PYTHON_EXEC_PREFIX,
document new approach.
* t/instmany-python.sh: set PYTHON_PREFIX as needed.
* t/python-vars.sh (PYTHON_EXEC_PREFIX, PYTHON_PREFIX): also set from
Python's sys.{exec_,}prefix; use ${PYTHON_{EXEC,}PREFIX} instead
of ${exec_,}prefix.

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