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CMakeLists.txt

@@ -909,7 +909,8 @@ elseif(MSVC)
 endif(WIN32 AND NOT MSVC)
 
 if(ENABLE_SWIG)
-  find_package(SWIG REQUIRED)
+  find_package(SWIG)
+  if(SWIG_FOUND)
     message(STATUS "Found SWIG version " ${SWIG_VERSION})
     string(SUBSTRING ${SWIG_VERSION} 0 1 SWIG_MAJOR_VERSION)
     if(SWIG_MAJOR_VERSION EQUAL 1)
@@ -920,8 +921,11 @@ if(ENABLE_SWIG)
       include_directories(${PYTHON_INCLUDE_DIR})
       set_source_files_properties(Common/gmshpy.i PROPERTIES CPLUSPLUS ON)
       swig_add_module(gmshpy python Common/gmshpy.i)
-    swig_link_libraries(gmshpy ${PYTHON_LIBRARIES} ${EXTERNAL_LIBRARIES} ${LINK_LIBRARIES} shared)
+      swig_link_libraries(gmshpy ${PYTHON_LIBRARIES} ${LINK_LIBRARIES} shared)
     endif(SWIG_MAJOR_VERSION EQUAL 1)
+  else(SWIG_FOUND)
+    message("WARNING: Could not find SWIG")    
+  endif(SWIG_FOUND)
 endif(ENABLE_SWIG)
 
 find_program(BISON bison)