Revert to use of -O instead of -O2 to be more compatible

with older gccs.   -O2 breaks on 4.1.2 (RHEL5 std compiler)

diff --git a/Makefile b/Makefile
index 3450def..b989348 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -183,7 +183,7 @@ HOSTCC      = gcc
 HOSTCXX        = g++
 HOSTCFLAGS     = -Wall -Wstrict-prototypes  -fomit-frame-pointer \
                        -Wno-unused -Wno-format-security -U_FORTIFY_SOURCE
-HOSTCXXFLAGS   = -O2
+HOSTCXXFLAGS   = -O
 
 #      Decide whether to build built-in, modular, or both.
 #      Normally, just do built-in.
@@ -480,7 +480,7 @@ endif
 ifdef CONFIG_DEBUG_INFO
 CFLAGS         += -g
 else 
-CFLAGS          += -O2
+CFLAGS          += -O
 endif