--- configure.ac	2020-03-23 10:43:36.000000000 -0400
+++ configure.ac.orig	2020-03-23 10:43:23.000000000 -0400
@@ -21,7 +21,7 @@
 AC_ARG_ENABLE(optimization, 
 [  --enable-optimization   Turn on compiler optimization (default=no)],
     [if eval "test x$enable_optimization = xyes"; then
-        MYCXXFLAGS="-O3 -DNDEBUG -ffast-math -fno-strict-aliasing -funroll-all-loops -fno-peephole -fexpensive-optimizations -fomit-frame-pointer -finline-limit=10000"
+        MYCXXFLAGS="-O3 -DNDEBUG -ffast-math -fno-strict-aliasing -funroll-all-loops -fexpensive-optimizations -fomit-frame-pointer -finline-limit=10000"
 	MYCCFLAGS="-xO5 -KPIC -dalign -native"
     fi])
 
--- configure	2020-03-23 10:43:53.000000000 -0400
+++ configure.orig	2020-03-23 10:43:27.000000000 -0400
@@ -3177,7 +3177,7 @@
 # Check whether --enable-optimization was given.
 if test "${enable_optimization+set}" = set; then
   enableval=$enable_optimization; if eval "test x$enable_optimization = xyes"; then
-        MYCXXFLAGS="-O3 -DNDEBUG -ffast-math -fno-strict-aliasing -funroll-all-loops -fno-peephole -fexpensive-optimizations -fomit-frame-pointer -finline-limit=10000"
+        MYCXXFLAGS="-O3 -DNDEBUG -ffast-math -fno-strict-aliasing -funroll-all-loops -fexpensive-optimizations -fomit-frame-pointer -finline-limit=10000"
 	MYCCFLAGS="-xO5 -KPIC -dalign -native"
     fi
 fi