diff -urp qemu-2.6.1.orig/configure qemu-2.6.1/configure
--- qemu-2.6.1.orig/configure	2016-08-22 12:44:02.279554000 +0000
+++ qemu-2.6.1/configure	2016-08-22 12:44:21.033554000 +0000
@@ -392,10 +392,6 @@ QEMU_CFLAGS="-Wall -Wundef -Wwrite-strin
 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
-if test "$debug_info" = "yes"; then
-    CFLAGS="-g $CFLAGS"
-    LDFLAGS="-g $LDFLAGS"
-fi
 
 # make source path absolute
 source_path=`cd "$source_path"; pwd`
@@ -4514,12 +4510,8 @@ fi
 # After here, no more $cc or $ld runs
 
 if test "$gcov" = "yes" ; then
-  CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
+  CFLAGS="-fprofile-arcs -ftest-coverage $CFLAGS"
   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
-elif test "$fortify_source" = "yes" ; then
-  CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
-elif test "$debug" = "no"; then
-  CFLAGS="-O2 $CFLAGS"
 fi
 
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