indenting; warning; exceptions; small fixes

library/CMakeLists.txt

@@ -23,6 +23,7 @@ set (LIBRARY_PL
   lineutils.yap
   listing.yap
   lists.yap
+  log2md.yap
   nb.yap
   ordsets.yap
   mapargs.yap

library/dialect/swi/fli/swi.c

@@ -1308,7 +1308,8 @@ X_API int PL_raise_exception(term_t exception)
 {
   CACHE_REGS
     LOCAL_Error_TYPE=YAP_NO_ERROR;
-  EX = Yap_StoreTermInDB(Yap_GetFromSlot(exception),0);
+  Yap_PutException(Yap_GetFromSlot(exception));
+  Yap_RaiseException( );
   return 0;
 }
 
@@ -2307,7 +2308,7 @@ X_API void
 PL_clear_exception(void)
 {
   CACHE_REGS
-  EX = NULL;
+  Yap_ResetException(worker_id);
 }
 
 X_API int
@@ -2623,8 +2624,8 @@ X_API void PL_close_query(qid_t qi)
 {
   CACHE_REGS
 
-  if (EX && !(qi->q_flags & (PL_Q_CATCH_EXCEPTION))) {
-    EX = NULL;
+  if (Yap_HasException() && !(qi->q_flags & (PL_Q_CATCH_EXCEPTION))) {
+    Yap_ResetException(worker_id);
   }
   /* need to implement backtracking here */
   if (qi->q_open != 1 || qi->q_state == 0) {

library/system/sys_config.h

@@ -5,7 +5,7 @@
 
 /* Define to 1 if you have the <openssl/ripemd.h> header file. */
 #ifndef HAVE_APR_1_APR_MD5_H
-/* #undef HAVE_APR_1_APR_MD5_H */
+#define HAVE_APR_1_APR_MD5_H 1
 #endif