diff --git a/lmdb/trunk/PKGBUILD b/lmdb/trunk/PKGBUILD
index 126df192e..3ecbffad0 100644
--- a/lmdb/trunk/PKGBUILD
+++ b/lmdb/trunk/PKGBUILD
@@ -4,7 +4,7 @@
 pkgname=lmdb
 pkgver=0.9.30
 _commit=8f44dca45d87bc1f8da65428172668c5e6154179
-pkgrel=2
+pkgrel=3
 pkgdesc="Symas Lightning Memory-Mapped Database"
 arch=('x86_64')
 url="https://symas.com/lmdb"
@@ -23,7 +23,7 @@ prepare() {
 
 build() {
   cd openldap/libraries/liblmdb
-  make prefix=/usr
+  make CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" LDFLAGS="$LDFLAGS" prefix=/usr
 }
 
 check() {