This patch makes it possible to let build system accept new CFLAGS and
LDFLAGS from ebuild.
--- lmbench-3.0-a9/scripts/build
+++ lmbench-3.0-a9/scripts/build
@@ -7,6 +7,7 @@
 BINDIR=../bin/"${OS}"
 CONFIG=../bin/"${OS}"/`../scripts/config`
 NULL=/dev/null
+CFLAGS="${CFLAGS} ${EXTRA_CFLAGS}"
 
 BASE=/tmp/dummy
 for t in /usr/tmp /var/tmp /tmp; do
@@ -18,7 +19,7 @@
 
 trap 'rm -f ${BASE}$$.s ${BASE}$$.c ${BASE}$$.o ${BASE}$$; exit 1' 1 2 15
 
-LDLIBS=-lm
+LDLIBS="${LDLIBS} -lm"
 
 # check for HP-UX's ANSI compiler
 echo "main(int ac, char *av[]) { int i; }" > ${BASE}$$.c