From cf2001de5fd542b4605d14f249f3aa7c6159ada5 Mon Sep 17 00:00:00 2001
From: ISSOtm <eldredhabert0@gmail.com>
Date: Wed, 19 Feb 2020 00:01:51 +0100
Subject: [PATCH] Allow compiling parser in debug mode with `-DYYDEBUG=1`

---
 src/asm/main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/asm/main.c b/src/asm/main.c
index 412d5423..26eafa15 100644
--- a/src/asm/main.c
+++ b/src/asm/main.c
@@ -44,7 +44,9 @@ uint32_t nTotalLines, nPC, nIFDepth, nUnionDepth;
 bool skipElif;
 uint32_t unionStart[128], unionSize[128];
 
-/* extern int yydebug; */
+#if defined(YYDEBUG) && YYDEBUG
+extern int yydebug;
+#endif
 
 FILE *dependfile;
 bool oGeneratedMissingIncludes;
@@ -335,7 +337,9 @@ int main(int argc, char *argv[])
 	if (!cldefines)
 		fatalerror("No memory for command line defines");
 
-	/* yydebug=1; */
+#if defined(YYDEBUG) && YYDEBUG
+	yydebug = 1;
+#endif
 
 	nMaxRecursionDepth = 64;
 	oGeneratePhonyDeps = false;