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Cleanup after removing PYTHON_VERSION from DEPENDS_ARGS.

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Much of the Python version selection code had compat shims around to
accomodate the transition from before to with flavors. These can now be
removed.

PR:		243185
Reviewed by:	antoine
Differential Revision:	https://reviews.freebsd.org/D23084
This commit is contained in:
Mathieu Arnold 2020-01-09 13:33:01 +00:00
parent 314aae92b0
commit 35cc54ec37
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=522487
1 changed files with 2 additions and 39 deletions
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41
Mk/Uses/python.mk
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@ -330,26 +330,7 @@ DEV_ERROR+= "USES=python:2 is no longer supported, use USES=python:2.7"
DEV_ERROR+= "USES=python:3 is no longer supported, use USES=python:3.5+ or an appropriate version range"
.endif # ${_PYTHON_ARGS} == "2"
.if defined(PYTHON_VERSION)
# A port/user requests a specific python version for its dependencies via
# DEPENDS_ARGS, since it requires the specific python version itself.
# Several things can happen now:
# a) the dependency supports the requested version -> everything's fine
# b) the dependency does not support the requested version
# 1) the dependency works in a way that the different python
# versions do not matter -> everything's fine
# 2) the dependency is likely to break due to the conflict
# nothing's fine
#
# b.2) needs to be resolved. Due to the complexity of how different pieces of
# software are built, we can't solve this automatically. Instead, let's assume
# that maintainers know what they are doing and assume PYTHON_VERSION to be a
# hint. Just warn maintainers, if the versions do not match
# (_PYTHON_VERSION_NONSUPPORTED).
_PYTHON_VERSION:= ${PYTHON_VERSION:S/^python//}
.else
_PYTHON_VERSION:= ${PYTHON_DEFAULT}
.endif # defined(PYTHON_VERSION)
# Validate Python version whether it meets the version restriction.
_PYTHON_VERSION_CHECK:= ${_PYTHON_ARGS:C/^([1-9]\.[0-9])$/\1-\1/}
@ -374,10 +355,6 @@ _PYTHON_VERSION_NONSUPPORTED= ${_PYTHON_VERSION_MAXIMUM} at most
# If we have an unsupported version of Python, try another.
.if defined(_PYTHON_VERSION_NONSUPPORTED)
.if defined(PYTHON_VERSION) || defined(PYTHON_CMD)
_PV:= ${_PYTHON_VERSION} # preserve the specified python version
IGNORE= needs Python ${_PYTHON_VERSION_NONSUPPORTED}, but ${_PV} was specified
.endif # defined(PYTHON_VERSION) || defined(PYTHON_CMD)
.undef _PYTHON_VERSION
.for ver in ${PYTHON2_DEFAULT} ${PYTHON3_DEFAULT} ${_PYTHON_VERSIONS}
__VER= ${ver}
@ -454,21 +431,7 @@ PKGNAMESUFFIX= ${PYTHON_PKGNAMESUFFIX}
# - From PYTHON_DEFAULT
PY_FLAVOR= py${_PYTHON_VERSION:S/.//}
# Pass PYTHON_VERSION down the dependency chain. This ensures that
# port A -> B -> C all will use the same python version and do not
# try to find a different one, if the passed version fits into
# the supported version range.
PYTHON_VERSION?= python${_PYTHON_VERSION}
# NOTE:
#
# PYTHON_VERSION will hold whatever is passed down the dependency chain.
# If a user runs `make PYTHON_VERSION=python3.5, PYTHON_VERSION will be
# set to 'python3.5'. A port however may require a different version,
# which is stored (above) in _PYTHON_VERSION.
# Every python bit below hence should use python${_PYTHON_VERSION}, since
# this is the value, the _port_ requires
#
PYTHON_VERSION= python${_PYTHON_VERSION}
# Got the correct python version, set some publicly accessible variables
PYTHON_VER= ${_PYTHON_VERSION}
@ -553,7 +516,7 @@ DEV_WARNING+= "USE_PYTHON=concurrent when only one of Python 2 or 3 is supported
_USES_POST+= uniquefiles:dirs
.if defined(_PYTHON_FEATURE_FLAVORS) && ${FLAVOR} == ${FLAVORS:[1]}
UNIQUE_DEFAULT_LINKS= yes
.elif !defined(_PYTHON_FEATURE_FLAVORS) && ${PYTHON_VERSION} == python${PYTHON_DEFAULT}
.elif !defined(_PYTHON_FEATURE_FLAVORS) && ${_PYTHON_VERSION} == ${PYTHON_DEFAULT}
UNIQUE_DEFAULT_LINKS= yes
.else
UNIQUE_DEFAULT_LINKS= no