Index: trunk/scconfig/Rev.h
===================================================================
--- trunk/scconfig/Rev.h	(revision 8515)
+++ trunk/scconfig/Rev.h	(revision 8516)
@@ -1 +1 @@
-static const int myrev = 8452;
+static const int myrev = 8516;
Index: trunk/scconfig/Rev.tab
===================================================================
--- trunk/scconfig/Rev.tab	(revision 8515)
+++ trunk/scconfig/Rev.tab	(revision 8516)
@@ -1,4 +1,4 @@
-8452	configure	new sources for sim gui and sim config
+8516	configure	new sources for sim gui and sim config
 8169	configure	lib_target: support plugin to get some attributes put in the tEDAx netlist
 8150	configure	bom export plugin
 8124	configure	sch_dialogs: stance dialog
Index: trunk/src/plugins/sim/Plug.tmpasm
===================================================================
--- trunk/src/plugins/sim/Plug.tmpasm	(revision 8515)
+++ trunk/src/plugins/sim/Plug.tmpasm	(revision 8516)
@@ -2,6 +2,7 @@
 put /local/rnd/mod/OBJS [@
 	$(PLUGDIR)/sim/sim.o
 	$(PLUGDIR)/sim/sim_conf.o
+	$(PLUGDIR)/sim/mods.o
 	$(PLUGDIR)/sim/util.o
 @]
 
Index: trunk/src/plugins/sim/mods.c
===================================================================
--- trunk/src/plugins/sim/mods.c	(nonexistent)
+++ trunk/src/plugins/sim/mods.c	(revision 8516)
@@ -0,0 +1,49 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  cschem - modular/flexible schematics editor - high level sim (non-GUI)
+ *  Copyright (C) 2023 Tibor 'Igor2' Palinkas
+ *
+ *  (Supported by NLnet NGI0 Entrust in 2023)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *  Contact:
+ *    Project page: http://repo.hu/projects/sch-rnd
+ *    contact lead developer: http://www.repo.hu/projects/sch-rnd/contact.html
+ *    mailing list: http://www.repo.hu/projects/sch-rnd/contact.html
+ */
+
+#include <libcschem/config.h>
+
+#include <librnd/core/error.h>
+
+#include "sim_conf.h"
+
+#include "mods.h"
+
+int sch_sim_mods_perform(csch_project_t *prj, const char *setup_name, csch_abstract_t *abst)
+{
+	if (setup_name == NULL)
+		setup_name = sch_sim_conf.plugins.sim.active_setup;
+
+	if ((setup_name == NULL) || (*setup_name == "")) {
+		rnd_message(RND_MSG_ERROR, "Failed to perform modifications for simulation setup:\nactive simulation setup name is empty\n");
+		return -1;
+	}
+
+	return -1;
+}
+
Index: trunk/src/plugins/sim/mods.h
===================================================================
--- trunk/src/plugins/sim/mods.h	(nonexistent)
+++ trunk/src/plugins/sim/mods.h	(revision 8516)
@@ -0,0 +1,7 @@
+#include <libcschem/abstract.h>
+#include <libcschem/project.h>
+
+/* Look at the current project's setup called setup_name and execute all
+   the mods it has on abst. If setup_name is NULL, get it from the current
+   config. */
+int sch_sim_mods_perform(csch_project_t *prj, const char *setup_name, csch_abstract_t *abst);
Index: trunk/src/plugins/sim/sim_conf.h
===================================================================
--- trunk/src/plugins/sim/sim_conf.h	(revision 8515)
+++ trunk/src/plugins/sim/sim_conf.h	(revision 8516)
@@ -2,6 +2,7 @@
 #define SCH_RND_SIM_CONF_H
 
 #include <librnd/core/conf.h>
+#include <libcschem/project.h>
 
 typedef struct {
 	const struct {
Index: trunk/src/plugins/sim_ngspice/sim_ngspice.c
===================================================================
--- trunk/src/plugins/sim_ngspice/sim_ngspice.c	(revision 8515)
+++ trunk/src/plugins/sim_ngspice/sim_ngspice.c	(revision 8516)
@@ -115,6 +115,7 @@
 
 static fgw_error_t sim_ngspice_compile_project_after(fgw_arg_t *res, int argc, fgw_arg_t *argv)
 {
+	int r = 0;
 /*	csch_hook_call_ctx_t *cctx = argv[0].val.argv0.user_call_ctx;*/
 	fgw_obj_t *obj = argv[0].val.argv0.func->obj;
 /*	spicelib_ctx_t *ctx = obj->script_data; - because the object is used there */
@@ -127,9 +128,12 @@
 rnd_trace("NGSPICE project after\n");
 
 	if (spice_compile_project_after != NULL)
-		return spice_compile_project_after(res, argc, argv);
+		r = spice_compile_project_after(res, argc, argv);
 
-	return 0;
+	if (sch_sim_mods_perform(prj, NULL, abst) != 0)
+		return -1;
+
+	return r;
 }