cmake/modules/buildtools/FindSWIG.cmake

   1 #.rst:
   2 # FindSWIG
   3 # --------
   4 # Finds the SWIG executable
   5 #
   6 # This will define the following variables::
   7 #
   8 # SWIG_FOUND - system has SWIG
   9 # SWIG_EXECUTABLE - the SWIG executable
  10
  11 find_program(SWIG_EXECUTABLE NAMES swig4.0 swig3.0 swig2.0 swig
  12                              PATH_SUFFIXES swig)
  13 if(SWIG_EXECUTABLE)
  14   execute_process(COMMAND ${SWIG_EXECUTABLE} -swiglib
  15     OUTPUT_VARIABLE SWIG_DIR
  16     ERROR_VARIABLE SWIG_swiglib_error
  17     RESULT_VARIABLE SWIG_swiglib_result)
  18   execute_process(COMMAND ${SWIG_EXECUTABLE} -version
  19     OUTPUT_VARIABLE SWIG_version_output
  20     ERROR_VARIABLE SWIG_version_output
  21     RESULT_VARIABLE SWIG_version_result)
  22     string(REGEX REPLACE ".*SWIG Version[^0-9.]*\([0-9.]+\).*" "\\1"
  23            SWIG_VERSION "${SWIG_version_output}")
  24 endif()
  25
  26 include(FindPackageHandleStandardArgs)
  27 find_package_handle_standard_args(SWIG
  28                                   REQUIRED_VARS SWIG_EXECUTABLE SWIG_DIR
  29                                   VERSION_VAR SWIG_VERSION)