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| author | Marc Chevrier <marc.chevrier@gmail.com> | 2020-09-30 19:18:34 +0200 |
|---|---|---|
| committer | Marc Chevrier <marc.chevrier@gmail.com> | 2020-10-01 12:00:29 +0200 |
| commit | 1d300ee2a9f51e08d4006191e2d50fd5771af202 (patch) | |
| tree | c475aca47b7269dd7fcd1c523866b1c5de301c37 /Modules/FindSWIG.cmake | |
| parent | 47b569a85852f716b05ede538e9940392407316c (diff) | |
| download | cmake-1d300ee2a9f51e08d4006191e2d50fd5771af202.tar.gz | |
FindSWIG: Add version range support
Diffstat (limited to 'Modules/FindSWIG.cmake')
| -rw-r--r-- | Modules/FindSWIG.cmake | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/Modules/FindSWIG.cmake b/Modules/FindSWIG.cmake index 2fded4985b..f7322895e0 100644 --- a/Modules/FindSWIG.cmake +++ b/Modules/FindSWIG.cmake @@ -7,11 +7,16 @@ FindSWIG Find the Simplified Wrapper and Interface Generator (SWIG_) executable. - This module finds an installed SWIG and determines its version. If a -``COMPONENTS`` or ``OPTIONAL_COMPONENTS`` argument is given to ``find_package``, -it will also determine supported target languages. The module sents the -following variables: +``COMPONENTS`` or ``OPTIONAL_COMPONENTS`` argument is given to the +:command:`find_package` command, it will also determine supported target +languages. + +When a version is requested, it can be specified as a simple value or as a +range. For a detailed description of version range usage and capabilities, +refer to the :command:`find_package` command. + +The module defines the following variables: ``SWIG_FOUND`` Whether SWIG and any required components were found on the system. @@ -50,7 +55,30 @@ optional Fortran support: #]=======================================================================] -find_program(SWIG_EXECUTABLE NAMES swig4.0 swig3.0 swig2.0 swig) +# compute list of possible names +if (SWIG_FIND_VERSION_RANGE) + set (_SWIG_NAMES) + foreach (_SWIG_MAJOR IN ITEMS 4 3 2) + if (_SWIG_MAJOR VERSION_GREATER_EQUAL SWIG_FIND_VERSION_MIN_MAJOR + AND ((SWIG_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND _SWIG_MAJOR VERSION_LESS_EQUAL SWIG_FIND_VERSION_MAX) + OR (SWIG_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND _SWIG_MAJOR VERSION_LESS SWIG_FIND_VERSION_MAX))) + list (APPEND _SWIG_NAMES swig${_SWIG_MAJOR}.0) + endif() + endforeach() +elseif(SWIG_FIND_VERSION) + if (SWIG_FIND_VERSION_EXACT) + set(_SWIG_NAMES swig${SWIG_FIND_VERSION_MAJOR}.0) + else() + foreach (_SWIG_MAJOR IN ITEMS 4 3 2) + if (_SWIG_MAJOR VERSION_GREATER_EQUAL SWIG_FIND_VERSION_MAJOR) + list (APPEND _SWIG_NAMES swig${_SWIG_MAJOR}.0) + endif() + endif() +else() + set (_SWIG_NAMES swig4.0 swig3.0 swig2.0) +endif() + +find_program(SWIG_EXECUTABLE NAMES ${_SWIG_NAMES} swig) if(SWIG_EXECUTABLE) execute_process(COMMAND ${SWIG_EXECUTABLE} -swiglib @@ -105,6 +133,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) find_package_handle_standard_args( SWIG HANDLE_COMPONENTS REQUIRED_VARS SWIG_EXECUTABLE SWIG_DIR - VERSION_VAR SWIG_VERSION) + VERSION_VAR SWIG_VERSION + HANDLE_VERSION_RANGE) mark_as_advanced(SWIG_DIR SWIG_VERSION SWIG_EXECUTABLE) |