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31 lines
845 B
31 lines
845 B
3 years ago
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cmake_minimum_required (VERSION 3.18...3.19)
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find_package (SWIG)
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if (NOT SWIG_FOUND)
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message (FATAL_ERROR "Failed to find SWIG")
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endif()
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# clean-up SWIG variables
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unset (SWIG_EXECUTABLE CACHE)
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unset (SWIG_DIR CACHE)
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## Specify a range including current SWIG version
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string (REGEX MATCH "^([0-9]+)" upper_version "${SWIG_VERSION}")
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math (EXPR upper_version "${upper_version} + 1")
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find_package (SWIG 1.0...${upper_version}.0)
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if (NOT SWIG_FOUND)
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message (FATAL_ERROR "Failed to find SWIG with version range 1.0...${upper_version}.0")
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endif()
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# clean-up SWIG variables
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unset (SWIG_EXECUTABLE CACHE)
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unset (SWIG_DIR CACHE)
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## Specify a range excluding current SWIG version
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set (range 1.0...<${SWIG_VERSION})
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find_package (SWIG ${range})
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if (SWIG_FOUND)
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message (FATAL_ERROR "Unexpectedly find SWIG with version range ${range}")
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endif()
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