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-rw-r--r--Tests/RunCMake/FindSWIG/version-range.cmake30
1 files changed, 30 insertions, 0 deletions
diff --git a/Tests/RunCMake/FindSWIG/version-range.cmake b/Tests/RunCMake/FindSWIG/version-range.cmake
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+++ b/Tests/RunCMake/FindSWIG/version-range.cmake
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+cmake_minimum_required (VERSION 3.18...3.19)
+
+find_package (SWIG)
+if (NOT SWIG_FOUND)
+ message (FATAL_ERROR "Failed to find SWIG")
+endif()
+
+# clean-up SWIG variables
+unset (SWIG_EXECUTABLE CACHE)
+unset (SWIG_DIR CACHE)
+
+## Specify a range including current SWIG version
+string (REGEX MATCH "^([0-9]+)" upper_version "${SWIG_VERSION}")
+math (EXPR upper_version "${upper_version} + 1")
+
+find_package (SWIG 1.0...${upper_version}.0)
+if (NOT SWIG_FOUND)
+ message (FATAL_ERROR "Failed to find SWIG with version range 1.0...${upper_version}.0")
+endif()
+
+# clean-up SWIG variables
+unset (SWIG_EXECUTABLE CACHE)
+unset (SWIG_DIR CACHE)
+
+## Specify a range excluding current SWIG version
+set (range 1.0...<${SWIG_VERSION})
+find_package (SWIG ${range})
+if (SWIG_FOUND)
+ message (FATAL_ERROR "Unexpectedly find SWIG with version range ${range}")
+endif()