| 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() |
