--- /var/abs/extra/mrtg/PKGBUILD	2009-04-11 01:04:27.000000000 -0300
+++ PKGBUILD	2009-04-12 17:51:58.000000000 -0300
@@ -14,6 +14,7 @@
 
 build() {
   cd ${startdir}/src/${pkgname}-${pkgver}
+  sed 's|LD_RUN_PATH=$(LD_RUN_PATH) ||g' -i Makefile.in
   ./configure --prefix=/usr
   make || return 1
   make prefix=${startdir}/pkg/usr install