Fixed compilation errors on compilers that do not enable SSE by default

platforms/opencl/sharedTarget/CMakeLists.txt

@@ -19,6 +19,6 @@ ELSE (UNIX AND CMAKE_BUILD_TYPE MATCHES Debug)
     SET(MAIN_OPENMM_LIB ${OPENMM_LIBRARY_NAME})
 ENDIF (UNIX AND CMAKE_BUILD_TYPE MATCHES Debug)
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} ${MAIN_OPENMM_LIB}  ${OPENCL_LIBRARIES} ${PTHREADS_LIB})
-SET_TARGET_PROPERTIES(${SHARED_TARGET} PROPERTIES COMPILE_FLAGS "-DOPENMM_OPENCL_BUILDING_SHARED_LIBRARY")
+SET_TARGET_PROPERTIES(${SHARED_TARGET} PROPERTIES COMPILE_FLAGS "-msse2 -DOPENMM_OPENCL_BUILDING_SHARED_LIBRARY")
 
 INSTALL_TARGETS(/lib/plugins RUNTIME_DIRECTORY /lib/plugins ${SHARED_TARGET})

platforms/opencl/tests/CMakeLists.txt

@@ -39,13 +39,13 @@ FOREACH(TEST_PROG ${TEST_PROGS})
         SET(NONBOND_TEST "TestOpenCLNonbondedForce2")
         ADD_EXECUTABLE(${NONBOND_TEST} ${TEST_PROG})
 
-        SET_TARGET_PROPERTIES(${NONBOND_TEST} PROPERTIES COMPILE_FLAGS ${NONBOND_DEFINE_STRING} )
+        SET_TARGET_PROPERTIES(${NONBOND_TEST} PROPERTIES COMPILE_FLAGS "-msse2 ${NONBOND_DEFINE_STRING}" )
         ADD_TEST(${NONBOND_TEST} ${EXECUTABLE_OUTPUT_PATH}/${NONBOND_TEST})
 
         # OBC
 
         SET(DEFINE_STRING "${DEFINE_STRING} -DIMPLICIT_SOLVENT=1")
-        SET_TARGET_PROPERTIES(${TEST_ROOT} PROPERTIES COMPILE_FLAGS ${DEFINE_STRING} )
+        SET_TARGET_PROPERTIES(${TEST_ROOT} PROPERTIES COMPILE_FLAGS "-msse2 ${DEFINE_STRING}" )
 
         IF( INCLUDE_SERIALIZATION )
             TARGET_LINK_LIBRARIES(${NONBOND_TEST} ${SHARED_TARGET} ${SHARED_OPENMM_SERIALIZATION} )
@@ -54,6 +54,8 @@ FOREACH(TEST_PROG ${TEST_PROGS})
             TARGET_LINK_LIBRARIES(${NONBOND_TEST} ${SHARED_TARGET})
         ENDIF( INCLUDE_SERIALIZATION )
 
+    ELSE( ${TEST_ROOT} STREQUAL "TestOpenCLGBSAOBCForce2" )
+        SET_TARGET_PROPERTIES(${TEST_ROOT} PROPERTIES COMPILE_FLAGS -msse2)
     ENDIF( ${TEST_ROOT} STREQUAL "TestOpenCLGBSAOBCForce2" )
     ADD_TEST(${TEST_ROOT}Single ${EXECUTABLE_OUTPUT_PATH}/${TEST_ROOT} single)
     IF (OPENMM_BUILD_OPENCL_DOUBLE_PRECISION_TESTS)

plugins/drude/platforms/opencl/CMakeLists.txt

@@ -113,7 +113,7 @@ ENDIF (UNIX AND CMAKE_BUILD_TYPE MATCHES Debug)
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} ${MAIN_OPENMM_LIB}  ${OPENCL_LIBRARIES} ${PTHREADS_LIB})
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} debug ${OPENMM_LIBRARY_NAME}OpenCL_d optimized ${OPENMM_LIBRARY_NAME}OpenCL)
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} debug ${SHARED_DRUDE_TARGET} optimized ${SHARED_DRUDE_TARGET})
-SET_TARGET_PROPERTIES(${SHARED_TARGET} PROPERTIES COMPILE_FLAGS "-DOPENMM_BUILDING_SHARED_LIBRARY")
+SET_TARGET_PROPERTIES(${SHARED_TARGET} PROPERTIES COMPILE_FLAGS "-msse2 -DOPENMM_BUILDING_SHARED_LIBRARY")
 
 INSTALL(TARGETS ${SHARED_TARGET} DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/plugins)
 # Ensure that links to the main OpenCL library will be resolved.

plugins/rpmd/platforms/opencl/CMakeLists.txt

@@ -112,7 +112,7 @@ ENDIF (UNIX AND CMAKE_BUILD_TYPE MATCHES Debug)
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} ${MAIN_OPENMM_LIB}  ${OPENCL_LIBRARIES} ${PTHREADS_LIB})
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} debug ${OPENMM_LIBRARY_NAME}OpenCL_d optimized ${OPENMM_LIBRARY_NAME}OpenCL)
 TARGET_LINK_LIBRARIES(${SHARED_TARGET} debug ${SHARED_RPMD_TARGET} optimized ${SHARED_RPMD_TARGET})
-SET_TARGET_PROPERTIES(${SHARED_TARGET} PROPERTIES COMPILE_FLAGS "-DOPENMM_BUILDING_SHARED_LIBRARY")
+SET_TARGET_PROPERTIES(${SHARED_TARGET} PROPERTIES COMPILE_FLAGS "-msse2 -DOPENMM_BUILDING_SHARED_LIBRARY")
 
 INSTALL(TARGETS ${SHARED_TARGET} DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/plugins)
 # Ensure that links to the main OpenCL library will be resolved.