diff -urp global-6.5/libparser/asm_parse.y global-6-5/libparser/asm_parse.y
--- global-6.5/libparser/asm_parse.y	2015-06-10 11:45:09 +1000
+++ global-6-5/libparser/asm_parse.y	2015-06-10 11:45:09 +1000
@@ -147,8 +147,10 @@ line:	ASM_ENTRY '(' ASM_SYMBOL ')' error
 void
 assembly(const struct parser_param *param)
 {
-	if (linetable_open(param->file) == -1)
-		die("'%s' cannot open.", param->file);
+	if (linetable_open(param->file) == -1) {
+		warning("cannot open '%s'. ignored.", param->file);
+		return;
+	}
 
 	asm_symtable = strbuf_open(0);
 	asm_initscan();
diff -urp global-6.5/libparser/C.c global-6-5/libparser/C.c
--- global-6.5/libparser/C.c	2015-06-10 11:45:09 +1000
+++ global-6-5/libparser/C.c	2015-08-27 22:09:28 +1000
@@ -110,8 +110,10 @@ C_family(const struct parser_param *para
 	savelevel = -1;
 	startmacro = startsharp = 0;
 
-	if (!opentoken(param->file))
-		die("'%s' cannot open.", param->file);
+	if (!opentoken(param->file)) {
+		warning("cannot open '%s'. ignored.", param->file);
+		return;
+	}
 	cmode = 1;			/* allow token like '#xxx' */
 	crflag = 1;			/* require '\n' as a token */
 	if (type == TYPE_YACC)
diff -urp global-6.5/libparser/Cpp.c global-6-5/libparser/Cpp.c
--- global-6.5/libparser/Cpp.c	2015-06-10 11:45:09 +1000
+++ global-6-5/libparser/Cpp.c	2015-08-27 22:09:27 +1000
@@ -90,8 +90,10 @@ Cpp(const struct parser_param *param)
 	savelevel = -1;
 	startclass = startthrow = startmacro = startsharp = startequal = 0;
 
-	if (!opentoken(param->file))
-		die("'%s' cannot open.", param->file);
+	if (!opentoken(param->file)) {
+		warning("cannot open '%s'. ignored.", param->file);
+		return;
+	}
 	cmode = 1;			/* allow token like '#xxx' */
 	crflag = 1;			/* require '\n' as a token */
 	cppmode = 1;			/* treat '::' as a token */
diff -urp global-6.5/libparser/java.c global-6-5/libparser/java.c
--- global-6.5/libparser/java.c	2015-06-10 11:45:09 +1000
+++ global-6-5/libparser/java.c	2015-08-27 22:09:29 +1000
@@ -62,8 +62,10 @@ java(const struct parser_param *param)
 	level = classlevel = 0;
 	startclass = startthrows = startequal = 0;
 
-	if (!opentoken(param->file))
-		die("'%s' cannot open.", param->file);
+	if (!opentoken(param->file)) {
+		warning("cannot open '%s'. ignored.", param->file);
+		return;
+	}
 	while ((c = nexttoken(interested, java_reserved_word)) != EOF) {
 		switch (c) {
 		case SYMBOL:					/* symbol */
diff -urp global-6.5/libparser/php.l global-6-5/libparser/php.l
--- global-6.5/libparser/php.l	2015-06-10 11:45:09 +1000
+++ global-6-5/libparser/php.l	2015-06-10 11:45:09 +1000
@@ -285,8 +285,10 @@ php(const struct parser_param *param)
 
 	level = 0;
 	string = strbuf_open(0);
-	if (linetable_open(param->file) == -1)
-		die("'%s' cannot open.", param->file);
+	if (linetable_open(param->file) == -1) {
+		warning("cannot open '%s'. ignored.", param->file);
+		return;
+	}
 
 	LEXRESTART(NULL);
 	LEXLINENO = 1;