diff -Naur nagios-3.0b3/base/Makefile.in nagios-3.0b3.oden/base/Makefile.in
--- nagios-3.0b3/base/Makefile.in	2007-01-23 19:28:34.000000000 +0100
+++ nagios-3.0b3.oden/base/Makefile.in	2007-08-31 20:59:35.000000000 +0200
@@ -11,7 +11,7 @@
 SRC_XDATA=../xdata
 
 CC=@CC@
-CFLAGS=@CFLAGS@ @DEFS@ @GLIB_INCLUDE@ -DNSCORE
+CFLAGS=$(RPM_OPT_FLAGS) @CFLAGS@ @DEFS@ @GLIB_INCLUDE@ -DNSCORE
 
 # Compiler flags for use with Valgrind
 #CFLAGS=-O0 -g -DHAVE_CONFIG_H -DNSCORE
diff -Naur nagios-3.0b3/common/Makefile.in nagios-3.0b3.oden/common/Makefile.in
--- nagios-3.0b3/common/Makefile.in	2003-04-10 05:46:01.000000000 +0200
+++ nagios-3.0b3.oden/common/Makefile.in	2007-08-31 20:58:31.000000000 +0200
@@ -9,7 +9,7 @@
 SRC_CGI=../cgi
 
 CC=@CC@
-CFLAGS=@CFLAGS@ @DEFS@
+CFLAGS=$(RPM_OPT_FLAGS) @CFLAGS@ @DEFS@
 LDFLAGS=@LDFLAGS@ @LIBS@
 
 prefix=@prefix@
diff -Naur nagios-3.0b3/contrib/Makefile.in nagios-3.0b3.oden/contrib/Makefile.in
--- nagios-3.0b3/contrib/Makefile.in	2005-11-15 02:49:36.000000000 +0100
+++ nagios-3.0b3.oden/contrib/Makefile.in	2007-08-31 20:58:31.000000000 +0200
@@ -5,7 +5,7 @@
 ###############################
 
 CC=@CC@
-CFLAGS=@CFLAGS@ @DEFS@
+CFLAGS=$(RPM_OPT_FLAGS) @CFLAGS@ @DEFS@
 LDFLAGS=@LDFLAGS@ @LIBS@
 
 # Source code directories
diff -Naur nagios-3.0b3/Makefile.in nagios-3.0b3.oden/Makefile.in
--- nagios-3.0b3/Makefile.in	2007-08-05 01:13:17.000000000 +0200
+++ nagios-3.0b3.oden/Makefile.in	2007-08-31 20:58:31.000000000 +0200
@@ -16,7 +16,7 @@
 SRC_CONTRIB=@srcdir@/contrib
 
 CC=@CC@
-CFLAGS=@CFLAGS@ @DEFS@
+CFLAGS=$(RPM_OPT_FLAGS) @CFLAGS@ @DEFS@
 LDFLAGS=@LDFLAGS@ @LIBS@
 
 prefix=@prefix@