[warnings] fix -Wempty-translation-unit

winpr/libwinpr/sspi/CMakeLists.txt

@@ -70,8 +70,6 @@ if (WITH_KRB5)
 	find_package(KRB5 REQUIRED)
 
 	list(APPEND ${MODULE_PREFIX}_KERBEROS_SRCS
-	    Kerberos/krb5glue_mit.c
-	    Kerberos/krb5glue_heimdal.c
 	    Kerberos/krb5glue.h)
 
 	winpr_include_directory_add(${KRB5_INCLUDEDIR})
@@ -86,8 +84,14 @@ if (WITH_KRB5)
 
 	if(KRB5_FLAVOUR STREQUAL "MIT")
 		winpr_definition_add("-DWITH_KRB5_MIT")
+        list(APPEND ${MODULE_PREFIX}_KERBEROS_SRCS
+            Kerberos/krb5glue_mit.c
+        )
 	elseif(KRB5_FLAVOUR STREQUAL "Heimdal")
 		winpr_definition_add("-DWITH_KRB5_HEIMDAL")
+        list(APPEND ${MODULE_PREFIX}_KERBEROS_SRCS
+            Kerberos/krb5glue_heimdal.c
+        )
 	else()
 		message(WARNING "Kerberos version not detected")
 	endif()

winpr/libwinpr/sspi/Kerberos/krb5glue_heimdal.c

@@ -17,7 +17,9 @@
  * limitations under the License.
  */
 
-#ifdef WITH_KRB5_HEIMDAL
+#ifndef WITH_KRB5_HEIMDAL
+#error "This file must ony be included with HEIMDAL kerberos"
+#endif
 
 #include <winpr/endian.h>
 #include <winpr/wlog.h>
@@ -209,4 +211,3 @@ krb5_error_code krb5glue_get_init_creds(krb5_context ctx, krb5_principal princ,
 	return rv;
 }
 
-#endif /* WITH_KRB5_HEIMDAL */

winpr/libwinpr/sspi/Kerberos/krb5glue_mit.c

@@ -17,7 +17,9 @@
  * limitations under the License.
  */
 
-#ifdef WITH_KRB5_MIT
+#ifndef WITH_KRB5_MIT
+#error "This file must only be included with MIT kerberos"
+#endif
 
 #include <winpr/path.h>
 #include <winpr/wlog.h>
@@ -225,4 +227,3 @@ cleanup:
 	return rv;
 }
 
-#endif /* WITH_KRB5_MIT */