--- bonnie++-1.97.3/Makefile.in.orig	2017-10-27 23:45:45.765611579 +0000
+++ bonnie++-1.97.3/Makefile.in	2017-10-27 23:45:53.300765254 +0000
@@ -9,9 +9,9 @@
 eprefix=@exec_prefix@
 #MORE_WARNINGS=-Weffc++
 WFLAGS=-Wall -W -Wshadow -Wpointer-arith -Wwrite-strings -pedantic -ffor-scope -Wcast-align -Wsign-compare -Wpointer-arith -Wwrite-strings -Wformat-security -Wswitch-enum -Winit-self $(MORE_WARNINGS)
-CFLAGS=-O2 @debug@ -DNDEBUG $(WFLAGS) $(MORECFLAGS)
+CFLAGS=$(CXXFLAGS) @debug@ -DNDEBUG $(WFLAGS) $(MORECFLAGS)
 CXX=@CXX@ $(CFLAGS)
-LINK=@CXX@
+LINK=@CXX@ $(LDFLAGS)
 THREAD_LFLAGS=@thread_ldflags@
 
 INSTALL=@INSTALL@