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FindPython: Add policy to manage lookup stratgey default.

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Marc Chevrier
2019-05-21 16:10:43 +02:00
parent 9f205acefe
commit 8517b549f4
9 changed files with 58 additions and 5 deletions
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14
Modules/FindPython/Support.cmake
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@@ -5,8 +5,14 @@
# This file is a "template" file used by various FindPython modules.
#
cmake_policy (GET CMP0094 _${_PYTHON_PREFIX}_LOOKUP_POLICY)
cmake_policy (VERSION 3.7)
if (_${_PYTHON_PREFIX}_LOOKUP_POLICY)
cmake_policy (SET CMP0094 ${_${_PYTHON_PREFIX}_LOOKUP_POLICY})
endif()
#
# Initial configuration
#
@@ -316,13 +322,17 @@ if (${_PYTHON_PREFIX}_FIND_VERSION_COUNT GREATER 1)
endif()
# Define lookup strategy
set (_${_PYTHON_PREFIX}_FIND_STRATEGY "VERSION")
if (_${_PYTHON_PREFIX}_LOOKUP_POLICY STREQUAL "NEW")
set (_${_PYTHON_PREFIX}_FIND_STRATEGY "LOCATION")
else()
set (_${_PYTHON_PREFIX}_FIND_STRATEGY "VERSION")
endif()
if (DEFINED ${_PYTHON_PREFIX}_FIND_STRATEGY)
if (NOT ${_PYTHON_PREFIX}_FIND_STRATEGY MATCHES "^(VERSION|LOCATION)$")
message (AUTHOR_WARNING "Find${_PYTHON_PREFIX}: ${${_PYTHON_PREFIX}_FIND_STRATEGY}: invalid value for '${_PYTHON_PREFIX}_FIND_STRATEGY'. 'VERSION' or 'LOCATION' expected.")
set (_${_PYTHON_PREFIX}_FIND_STRATEGY "VERSION")
else()
set (_${_PYTHON_PREFIX}_FIND_STRATEGY "${${_PYTHON_PREFIX}_FIND_STRATEGY}")
set (_${_PYTHON_PREFIX}_FIND_STRATEGY "${${_PYTHON_PREFIX}_FIND_STRATEGY}")
endif()
endif()