| cmake_minimum_required (VERSION 3.18...3.19) |
| |
| project (TestVersionRange LANGUAGES C) |
| |
| |
| find_package (${Python} ${Python_REQUESTED_VERSION} EXACT COMPONENTS Interpreter) |
| if (NOT ${Python}_FOUND) |
| message (FATAL_ERROR "Failed to find ${Python} ${Python_REQUESTED_VERSION}") |
| endif() |
| |
| if (Python_REQUESTED_VERSION VERSION_LESS 3.0) |
| set (IN_VERSION_RANGE 2.0...<3.0) |
| set (OUT_VERSION_RANGE 2.0...<${${Python}_VERSION}) |
| else() |
| set (IN_VERSION_RANGE 3.0...<4.0) |
| set (OUT_VERSION_RANGE 3.0...<${${Python}_VERSION}) |
| endif() |
| |
| function (FIND_PYTHON EXPECTED_VERSION RANGE) |
| macro (FIND_PYTHON_PACKAGE) |
| unset (_${Python}_EXECUTABLE CACHE) |
| unset (_${Python}_LIBRARY_RELEASE CACHE) |
| unset (_${Python}_INCLUDE_DIR CACHE) |
| unset (${Python}_FOUND) |
| |
| find_package (${Python} ${ARGV}) |
| endmacro() |
| |
| find_python_package(${RANGE} ${ARGN}) |
| |
| if (EXPECTED_VERSION STREQUAL "NONE") |
| while (${Python}_FOUND AND ${Python}_VERSION VERSION_GREATER ${Python_REQUESTED_VERSION}) |
| # Possible if multiple versions are installed |
| # Try with a different range |
| find_python_package(${Python_REQUESTED_VERSION}.0...<${${Python}_VERSION} ${ARGN}) |
| endwhile() |
| if (${Python}_FOUND) |
| message (SEND_ERROR "Unexpectedly found version: ${${Python}_VERSION} for '${Python} ${Python_REQUESTED_VERSION}.0...<${${Python}_VERSION} ${ARGN}'") |
| endif() |
| return() |
| endif() |
| |
| if (NOT ${Python}_FOUND) |
| message (SEND_ERROR "Not found: ${Python} ${RANGE} ${ARGN}") |
| elseif (NOT ${Python}_VERSION VERSION_EQUAL EXPECTED_VERSION) |
| message (SEND_ERROR "Wrong version: ${${Python}_VERSION} for '${Python} ${RANGE} ${ARGN}'") |
| endif() |
| endfunction() |
| |
| find_python (${${Python}_VERSION} ${IN_VERSION_RANGE} COMPONENTS Interpreter) |
| if (${Python}_FIND_IMPLEMENTATIONS STREQUAL "IronPython") |
| find_python (${${Python}_VERSION} ${IN_VERSION_RANGE} COMPONENTS Compiler) |
| else() |
| find_python (${${Python}_VERSION} ${IN_VERSION_RANGE} COMPONENTS Development) |
| endif() |
| |
| find_python ("NONE" ${OUT_VERSION_RANGE} COMPONENTS Interpreter) |
| if (${Python}_FIND_IMPLEMENTATIONS STREQUAL "IronPython") |
| find_python ("NONE" ${OUT_VERSION_RANGE} COMPONENTS Compiler) |
| else() |
| find_python ("NONE" ${OUT_VERSION_RANGE} COMPONENTS Development) |
| endif() |
| |
| find_python ("NONE" 5...6 COMPONENTS Interpreter) |
