sync with upstream

1 files changed, 29 insertions, 0 deletions

diff --git a/cmake/modules/FindSWIG.cmake b/cmake/modules/FindSWIG.cmake
new file mode 100644
index 0000000..523b49b
--- /dev/null
+++ b/cmake/modules/FindSWIG.cmake
@@ -0,0 +1,29 @@
+#.rst:
+# FindSWIG
+# --------
+# Finds the SWIG executable
+#
+# This will will define the following variables::
+#
+# SWIG_FOUND - system has SWIG
+# SWIG_EXECUTABLE - the SWIG executable
+
+find_program(SWIG_EXECUTABLE NAMES swig3.0 swig2.0 swig
+                             PATH_SUFFIXES swig)
+if(SWIG_EXECUTABLE)
+  execute_process(COMMAND ${SWIG_EXECUTABLE} -swiglib
+    OUTPUT_VARIABLE SWIG_DIR
+    ERROR_VARIABLE SWIG_swiglib_error
+    RESULT_VARIABLE SWIG_swiglib_result)
+  execute_process(COMMAND ${SWIG_EXECUTABLE} -version
+    OUTPUT_VARIABLE SWIG_version_output
+    ERROR_VARIABLE SWIG_version_output
+    RESULT_VARIABLE SWIG_version_result)
+    string(REGEX REPLACE ".*SWIG Version[^0-9.]*\([0-9.]+\).*" "\\1"
+           SWIG_VERSION "${SWIG_version_output}")
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SWIG
+                                  REQUIRED_VARS SWIG_EXECUTABLE SWIG_DIR
+                                  VERSION_VAR SWIG_VERSION)