diff --git a/dev-db/lmdb/lmdb-9999.ebuild b/dev-db/lmdb/lmdb-9999.ebuild
index 3632b9c..e1c03c1 100644
--- a/dev-db/lmdb/lmdb-9999.ebuild
+++ b/dev-db/lmdb/lmdb-9999.ebuild
@@ -1,8 +1,7 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-
 inherit flag-o-matic multilib-minimal toolchain-funcs
 
 if [[ ${PV} = "9999" ]] ; then
@@ -11,14 +10,14 @@ if [[ ${PV} = "9999" ]] ; then
 	KEYWORDS=""
 else
 	SRC_URI="https://github.com/LMDB/lmdb/archive/${MY_P}.tar.gz"
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86 ~ppc-aix ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
 fi
 
 DESCRIPTION="An ultra-fast, ultra-compact key-value embedded data store"
 HOMEPAGE="https://symas.com/lmdb/technical/"
 
 LICENSE="OPENLDAP"
-SLOT="0/0.9.24"
+SLOT="0/0.9.27"
 IUSE="static-libs"
 
 DEPEND=""
@@ -38,8 +37,10 @@ src_prepare() {
 
 multilib_src_configure() {
 	local soname="-Wl,-soname,liblmdb$(get_libname 0)"
-	[[ ${CHOST} == *-darwin* ]] && \
+	if [[ ${CHOST} == *-darwin* ]] ; then
 		soname="-dynamiclib -install_name ${EPREFIX}/usr/$(get_libdir)/liblmdb$(get_libname 0)"
+		replace-flags -O[123456789] -O1
+	fi
 	sed -i -e "s!^CC.*!CC = $(tc-getCC)!" \
 		-e "s!^CFLAGS.*!CFLAGS = ${CFLAGS}!" \
 		-e "s!^AR.*!AR = $(tc-getAR)!" \
@@ -47,7 +48,7 @@ multilib_src_configure() {
 		-e "/^prefix/s!/usr/local!${EPREFIX}/usr!" \
 		-e "/^libdir/s!lib\$!$(get_libdir)!" \
 		-e "s!shared!shared ${soname}!" \
-		"${S}/Makefile" || die
+		"Makefile" || die
 
 	if [[ ${CHOST} == *-solaris* ]] ; then
 		# fdatasync lives in -lrt on Solaris 10