>Number:         22532
>Category:       pkg
>Synopsis:       devel/flex fails to build on GNU/Linux systems without yacc or bison
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Aug 18 19:34:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Soren Jacobsen
>Release:        NetBSD 1.6.1
>Organization:
>Environment:
Debian GNU/Linux with the bison deb not installed.
pkgsrc as of 08/18/2003.
>Description:
flex needs yacc (bison -y is sufficient) to build, but blindly assumes that the
system has it.
>How-To-Repeat:
Don't install yacc or bison and try to install flex.
>Fix:

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/devel/flex/Makefile,v
retrieving revision 1.10
diff -u -r1.10 Makefile
--- Makefile	2003/07/21 16:43:21	1.10
+++ Makefile	2003/08/18 19:32:45
@@ -13,4 +13,11 @@
 
 GNU_CONFIGURE=		YES
 
+.include "../../mk/bsd.prefs.mk"
+
+.if ${OPSYS} == Linux && !exists(/usr/bin/yacc)
+BUILD_DEPENDS+=	bison-[0-9]*:../../devel/bison
+YACC=bison -y
+.endif
+
 .include "../../mk/bsd.pkg.mk"
>Release-Note:
>Audit-Trail:
>Unformatted: