--- /dev/null
+From 261a864f7c8823093accfe751ef1863d716a4d53 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Manuel=20R=C3=BCger?= <mrueg@gentoo.org>
+Date: Sun, 7 Jul 2019 15:22:16 +0200
+Subject: [PATCH] configure.ac: Make building manpages optional
+
+
+diff --git a/configure.ac b/configure.ac
+index 2f74bf8..5f98de5 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -96,7 +96,8 @@ AC_CHECK_PROG([doxygen], [doxygen], [yes], [no])
+ if test "x${db2man}" != xyes; then AC_MSG_RESULT([Warning: docbook man page converter not found - skip generating man pages]); fi
+ if test "x${doxygen}" != xyes; then AC_MSG_RESULT([Warning: doxygen not found - skip generating man pages]); fi
+
+-AM_CONDITIONAL([ENABLEMAN], [test "x${db2man}" = xyes -a "x${doxygen}" = xyes])
++AC_ARG_ENABLE([manpages], [AS_HELP_STRING([--enable-manpages], [build man pages])], [manpages="${enableval}"], [manpages=yes])
++AM_CONDITIONAL([ENABLEMAN], [test "x${db2man}" = xyes -a "x${doxygen}" = xyes -a "x${manpages}" = xyes])
+
+
+ # Build options
+--
+2.21.0
+
--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+inherit autotools flag-o-matic
+
+DESCRIPTION="OpenDBX - A database abstraction layer"
+HOMEPAGE="https://www.linuxnetworks.de/doc/index.php/OpenDBX"
+SRC_URI="https://www.linuxnetworks.de/opendbx/download/${P}.tar.gz"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="firebird +man +mysql oracle postgres sqlite"
+RESTRICT="firebird? ( bindist )"
+
+RDEPEND="mysql? ( dev-db/mysql-connector-c:0= )
+ postgres? ( dev-db/postgresql:* )
+ sqlite? ( dev-db/sqlite:3 )
+ oracle? ( dev-db/oracle-instantclient-basic )
+ firebird? ( dev-db/firebird )"
+DEPEND="${RDEPEND}
+ man? ( app-doc/doxygen
+ app-text/docbook2X )"
+
+REQUIRED_USE="|| ( firebird mysql oracle postgres sqlite )"
+
+PATCHES=( "${FILESDIR}/${PN}-doxy.patch"
+ "${FILESDIR}/${PN}-man-optional.patch" )
+
+pkg_setup() {
+ if use oracle && [[ ! -d ${ORACLE_HOME} ]]
+ then
+ die "Oracle support requested, but ORACLE_HOME not set to a valid directory!"
+ fi
+}
+
+src_prepare() {
+ default
+ eautoreconf
+}
+
+src_configure() {
+ local backends=""
+
+ use firebird && backends="${backends} firebird"
+ use mysql && backends="${backends} mysql"
+ use oracle && backends="${backends} oracle"
+ use postgres && backends="${backends} pgsql"
+ use sqlite && backends="${backends} sqlite3"
+
+ use mysql && append-cppflags -I/usr/include/mysql
+ use firebird && append-cppflags -I/opt/firebird/include
+ use oracle && append-ldflags -L"${ORACLE_HOME}"/lib
+
+ econf --with-backends="${backends}" --enable-manpages="$(usex man yes no)"
+}
+
+src_compile() {
+ # bug #322221
+ emake -j1
+}
+
+src_install() {
+ emake -j1 install DESTDIR="${D}"
+ dodoc AUTHORS ChangeLog README
+
+ rm -f "${D}"/usr/$(get_libdir)/opendbx/*.{a,la}
+}