.info build fix, add flag needed by c-common.c

From-SVN: r53599

gcc/treelang/.cvsignore

@@ -2,3 +2,4 @@ lex.c
 parse.c
 parse.h
 parse.output
+*.info*

gcc/treelang/ChangeLog

+2002-05-19  Tim Josling  <tej@melbpc.org.au>
+
+	* treetree.c (warn_format_zero_length): Add. 
+
+2002-05-14  Tim Josling  <tej@melbpc.org.au>
+
+	* Make-lang.in: Fix build for .info files, add target for manpages.
+	A bug report and a suggested patch came from Magnus Fromreide 
+	<magfr@lysator.liu.se>.
+	
 2002-05-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* Make-lang.in: Allow for PWDCMD to override hardcoded pwd.

gcc/treelang/Make-lang.in

@@ -128,8 +128,8 @@ treelang.rest.encap:
 treelang.info: $(srcdir)/treelang/treelang.info
 
 $(srcdir)/treelang/treelang.info: $(srcdir)/treelang/treelang.texi
-	cd $(srcdir)/treelang && $(MAKEINFO) $(MAKEINFOFLAGS) -I../doc/include \
-	-o $(srcdir)/treelang/treelang.info $(srcdir)/treelang/treelang.texi
+	cd $(srcdir) && $(MAKEINFO) $(MAKEINFOFLAGS) -Idoc/include \
+	-o treelang/treelang.info treelang/treelang.texi
 
 treelang.dvi: $(srcdir)/treelang/treelang.texi
 	TEXINPUTS=$(srcdir)/treelang:$(srcdir):$$TEXINPUTS $(TEXI2DVI) $(srcdir)/treelang/treelang.texi; \
@@ -137,6 +137,8 @@ treelang.dvi: $(srcdir)/treelang/treelang.texi
 	  TEXINPUTS=$(srcdir)/treelang:$(srcdir):$$TEXINPUTS $(TEXI2DVI) $(srcdir)/treelang/treelang.texi; \
 	  mv treelang.dvi treelang;
 
+treelang.generated-manpages:
+
 #
 # Install hooks:
 

gcc/treelang/treetree.c

@@ -98,6 +98,8 @@ int warn_format_y2k = 0;
 int warn_format_extra_args = 0;
 int warn_format_nonliteral = 0;
 int warn_format_security = 0;
+int warn_format_zero_length = 0;
+
 
 /* The front end language hooks (addresses of code for this front
    end).  Mostly just use the C routines.  */