--- /dev/null
+From 927f380272442ae803fdccfc001b55877f25e7dc Mon Sep 17 00:00:00 2001
+From: Adrian Thurston <thurston@colm.net>
+Date: Sat, 10 Dec 2016 15:41:30 -0500
+Subject: [PATCH] use pkginclude for the headers
+
+---
+ aapl/Makefile.am | 2 +-
+ src/Makefile.am | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/aapl/Makefile.am b/aapl/Makefile.am
+index fd9f9cb0..80b972f1 100644
+--- a/aapl/Makefile.am
++++ b/aapl/Makefile.am
+@@ -1,4 +1,4 @@
+-include_HEADERS = \
++pkginclude_HEADERS = \
+ avlbasic.h avlimel.h avlmap.h bstcommon.h compare.h insertsort.h \
+ sbstset.h avlcommon.h avlimelkey.h avlmel.h bstmap.h dlcommon.h \
+ mergesort.h sbsttable.h avlibasic.h avliset.h avlmelkey.h bstset.h \
+diff --git a/src/Makefile.am b/src/Makefile.am
+index 24a19a4b..60554a99 100644
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -16,11 +16,11 @@ bin_PROGRAMS = ragel
+
+ endif
+
+-include_HEADERS = \
++pkginclude_HEADERS = \
+ action.h fsmgraph.h ragel.h common.h \
+ gendata.h redfsm.h dot.h
+
+-nodist_include_HEADERS = config.h
++nodist_pkginclude_HEADERS = config.h
+
+ ragel_CPPFLAGS = -I$(top_srcdir)/aapl -DBINDIR='"@bindir@"'
+
+--
+2.15.1
+
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+DESCRIPTION="Compiles finite state machines from regular languages into executable code"
+HOMEPAGE="https://www.colm.net/open-source/ragel/"
+SRC_URI="https://www.colm.net/files/ragel/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~x86"
+IUSE="vim-syntax"
+
+DEPEND="~dev-util/colm-0.13.0.5"
+RDEPEND="${DEPEND}"
+PATCHES=( "${FILESDIR}/${P}-use-pkginclude.patch" )
+
+src_test() {
+ cd "${S}"/test || die
+ ./runtests.in || die
+}
+
+src_install() {
+ if use vim-syntax; then
+ insinto /usr/share/vim/vimfiles/syntax
+ doins ragel.vim
+ fi
+ default
+}