blob: 34d339227273f59ad3fa6ec0dbcce9f7ef434aaf [file] [log] [blame]
enable_language(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)