diff -Nru a/Makefile b/Makefile
--- a/Makefile	2017-11-03 19:27:27.000000000 +0100
+++ b/Makefile	2018-08-25 14:42:46.862063642 +0200
@@ -56,7 +56,7 @@
 
 PKG_CONFIG ?= pkg-config
 #CFLAGS    = -O0 -g -Wall
-CFLAGS    = -O2 -Wall \
+CFLAGS    = $(RPM_OPT_FLAGS) -Wall \
 	    -fcaller-saves -ffast-math -fno-strength-reduce \
 	    -fthread-jumps #-march=pentium #-DSTAT_MACROS_BROKEN
 #CFLAGS    = -O2 -Wall -fomit-frame-pointer -finline-functions \
@@ -148,7 +148,7 @@
 	  install -d -m 0755 $(PREFIX)/bin; \
 	  echo install -d -m 0755 $(PREFIX)/bin; \
         fi
-	install -s -m 0755 $(PROGRAM) $(PREFIX)/bin
+	install -m 0755 $(PROGRAM) $(PREFIX)/bin
 	@if [ ! -e $(PREFIX)/man/man1 ]; then \
 	  echo install -d -m 0755 $(PREFIX)/man/man1; \
 	  install -d -m 0755 $(PREFIX)/man/man1; \