diff --git a/compiler/amxxpc/amxxpc.cpp b/compiler/amxxpc/amxxpc.cpp
index e405893c..63a623eb 100755
--- a/compiler/amxxpc/amxxpc.cpp
+++ b/compiler/amxxpc/amxxpc.cpp
@@ -99,6 +99,7 @@ int main(int argc, char **argv)
 		fclose(fp);
 	}
 
+	dlclose(lib);
 	unlink(file);
 
 	HINSTANCE lib64 = 0;
@@ -107,7 +108,8 @@ int main(int argc, char **argv)
 #else
 	lib64 = dlmount("amxxpc64.dll");
 #endif
-	if (!lib64)
+	pc_printf = (PRINTF)dlsym(lib64, "pc_printf");
+	if (!lib64 || !pc_printf)
 	{
 		pc_printf("64bit compiler failed to instantiate.\n");
 		exit(0);
@@ -127,8 +129,6 @@ int main(int argc, char **argv)
 
 	sc64(argc, argv);
 
-	dlclose(lib64);
-
 	if (file == NULL)
 	{
 		pc_printf("Could not locate the output file on second pass.\n");
@@ -207,7 +207,7 @@ int main(int argc, char **argv)
 
 	pc_printf("Done.\n");
 
-	dlclose(lib);
+	dlclose(lib64);
 
 	exit(0);
 }
diff --git a/compiler/libpc300/Makefile b/compiler/libpc300/Makefile
index 7f4a0254..36bf05bb 100755
--- a/compiler/libpc300/Makefile
+++ b/compiler/libpc300/Makefile
@@ -42,6 +42,9 @@ all:
 pawn_make: $(OBJ_LINUX)
 	$(CPP) $(INCLUDE) $(CFLAGS) $(OBJ_LINUX) $(LINK) -shared -ldl -lm -o$(BIN_DIR)/$(BINARY)
 
+pawn64:
+	$(MAKE) pawn_make PAWN64=true
+
 debug:	
 	$(MAKE) all DEBUG=true
 
diff --git a/compiler/libpc300/sc.h b/compiler/libpc300/sc.h
index 7051de4a..88a9dfc4 100755
--- a/compiler/libpc300/sc.h
+++ b/compiler/libpc300/sc.h
@@ -629,7 +629,11 @@ SC_FUNC void jmp_eq0(int number);
 SC_FUNC void outval(cell val,int newline);
 
 /* function prototypes in SC5.C */
-SC_FUNC int error(int number,...);
+#ifdef __linux__
+SC_FUNC int error(int number,...) __attribute__((visibility("internal")));
+#else
+SC_FUNC int error(int number,...)
+#endif
 SC_FUNC void errorset(int code);
 
 /* function prototypes in SC6.C */
diff --git a/compiler/libpc300/sc1.c b/compiler/libpc300/sc1.c
index eca78785..82889cb1 100755
--- a/compiler/libpc300/sc1.c
+++ b/compiler/libpc300/sc1.c
@@ -654,6 +654,7 @@ cleanup:
       int flag_exceed=0;
       if (sc_amxlimit > 0 && (long)(hdrsize+code_idx+glb_declared*sizeof(cell)+sc_stksize*sizeof(cell)) >= sc_amxlimit)
         flag_exceed=1;
+#if PAWN_CELL_SIZE==32
       if ((sc_debug & sSYMBOLIC)!=0 || verbosity>=2 || stacksize+32>=(long)sc_stksize || flag_exceed) {
         pc_printf("Header size:       %8ld bytes\n", (long)hdrsize);
         pc_printf("Code size:         %8ld bytes\n", (long)code_idx);
@@ -665,6 +666,7 @@ cleanup:
           pc_printf("estimated max. usage=%ld cells (%ld bytes)\n",stacksize,stacksize*sizeof(cell));
         pc_printf("Total requirements:%8ld bytes\n", (long)hdrsize+(long)code_idx+(long)glb_declared*sizeof(cell)+(long)sc_stksize*sizeof(cell));
       } /* if */
+#endif
       if (flag_exceed)
         error(106,sc_amxlimit); /* this causes a jump back to label "cleanup" */
     } /* if */