dev-lang/c-intercal: Workaround for flex-2.6.3.

Also add missing build-time dependencies on sys-devel/flex and
virtual/yacc.

Bug: 604848

Package-Manager: Portage-2.3.3, Repoman-2.3.1

dev-lang/c-intercal/c-intercal-30.0.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -33,14 +33,17 @@ SLOT="0"
 KEYWORDS="~amd64 ~x86"
 IUSE="emacs examples"
 
-DEPEND="emacs? ( virtual/emacs )"
-RDEPEND="${DEPEND}"
+RDEPEND="emacs? ( virtual/emacs )"
+DEPEND="${RDEPEND}
+	sys-devel/flex
+	virtual/yacc"
 
 S="${WORKDIR}/${MY_PN}-${MY_PV}"
 SITEFILE="50${PN}-gentoo.el"
 
 src_prepare() {
 	eapply "${FILESDIR}"/${P}-version.patch
+	eapply "${FILESDIR}"/${P}-yywrap.patch
 	eapply_user
 	eautoreconf
 }

dev-lang/c-intercal/files/c-intercal-30.0-yywrap.patch

@@ -0,0 +1,17 @@
+https://bugs.gentoo.org/604848
+
+--- intercal-0.30-orig/src/lexer.l
++++ intercal-0.30/src/lexer.l
+@@ -38,12 +38,10 @@
+ /*#undef wchar_t*/
+ /*#define wchar_t unsigned char*/
+ 
+-#ifndef yywrap
+ static int yywrap(void)
+ {
+     return 1;
+ }
+-#endif /* yywrap */
+ 
+ int 	iyylineno = 1;
+