From: Clifford Wolf <clifford@clifford.at>
Date: Tue, 14 Oct 2014 23:18:31 +0000 (+0200)
Subject: Check for _YOSYS_ in yosys.h
X-Git-Tag: yosys-0.4~52^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1fc6208ec05af672c7c6b7973b0eba1295bca5f4;p=yosys.git

Check for _YOSYS_ in yosys.h
---

diff --git a/kernel/yosys.h b/kernel/yosys.h
index 83230cbfb..239146d77 100644
--- a/kernel/yosys.h
+++ b/kernel/yosys.h
@@ -58,6 +58,12 @@
 #include <string.h>
 #include <stdio.h>
 
+#ifndef _YOSYS_
+#  error It looks like you are trying to build Yosys with the config defines set. \
+         When building Yosys with a custom make system, make sure you set all the \
+	 defines the Yosys Makefile would set for your build configuration.
+#endif
+
 #ifdef YOSYS_ENABLE_TCL
 #  include <tcl.h>
 #endif