diff -urp qemu-2.11.0.orig/configure qemu-2.11.0/configure
--- qemu-2.11.0.orig/configure	2018-01-25 00:10:09.335918465 +0000
+++ qemu-2.11.0/configure	2018-01-25 00:11:23.962914017 +0000
@@ -507,10 +507,6 @@ 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 $QEMU_CFLAGS"
 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
-if test "$debug_info" = "yes"; then
-    CFLAGS="-g $CFLAGS"
-    LDFLAGS="-g $LDFLAGS"
-fi
 
 # make source path absolute
 source_path=$(cd "$source_path"; pwd)
@@ -5122,12 +5118,8 @@ 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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