Add fenceposting so DLL flags are only introduced wwhen we are compil…

…ing DLL-based shared libraries.

nczarr_test/CMakeLists.txt

@@ -57,12 +57,16 @@ ENDIF()
 IF(ENABLE_TESTS)
 
   add_library(ut_util STATIC ut_util.c ut_test.c ut_includes.h ut_test.h ${XGETOPTSRC})
-  target_compile_definitions(ut_util PUBLIC -DDLL_EXPORT -DDLL_NETCDF)
+  IF(ENABLE_DLL)
+    target_compile_definitions(ut_util PUBLIC -DDLL_EXPORT -DDLL_NETCDF)
+  ENDIF(ENABLE_DLL)
   target_include_directories(ut_util PUBLIC ../libnczarr ../plugins ${CMAKE_CURRENT_LIST_DIR})
   target_link_libraries(ut_util PUBLIC netcdf ${ALL_TLL_LIBS})
 
   add_library(test_utils STATIC test_utils.c test_utils.h ${XGETOPTSRC})
-  target_compile_definitions(test_utils PUBLIC -DDLL_EXPORT -DDLL_NETCDF)
+  IF(ENABLE_DLL)
+    target_compile_definitions(test_utils PUBLIC -DDLL_EXPORT -DDLL_NETCDF)
+  ENDIF(ENABLE_DLL)
   target_include_directories(test_utils PUBLIC ../libnczarr ../plugins ${CMAKE_CURRENT_LIST_DIR})
   target_link_libraries(test_utils PUBLIC netcdf ${ALL_TLL_LIBS})
 
@@ -74,13 +78,17 @@ IF(ENABLE_TESTS)
 
   macro(build_bin_test_with_util_lib F UTIL_LIB)
     build_bin_test(${F})
-    target_compile_definitions(${F} PUBLIC -DDLL_NETCDF)
+    IF(ENABLE_DLL)
+      target_compile_definitions(${F} PUBLIC -DDLL_NETCDF)
+    ENDIF(ENABLE_DLL)
     target_link_libraries(${F} ${UTIL_LIB} ${ALL_TLL_LIBS})
   endmacro()
 
   macro(add_bin_test_with_util_lib PREFIX F UTIL_LIB)
     add_bin_test(${PREFIX} ${F})
-    target_compile_definitions(${PREFIX}_${F} PUBLIC -DDLL_NETCDF)
+    IF(ENABLE_DLL)
+      target_compile_definitions(${PREFIX}_${F} PUBLIC -DDLL_NETCDF)
+    ENDIF(ENABLE_DLL)
     target_link_libraries(${PREFIX}_${F} ${UTIL_LIB} ${ALL_TLL_LIBS})
 
   endmacro()