X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2FMakefile;h=d5a72b66f5a5a829c98ca7270687e26a1a906c06;hp=b975522704447da17b150b694c92d9ad7333a2e5;hb=0973cc2ef63060294f790803e0525b66ee91dfee;hpb=53ce6ce49c024631c1bd788e10507bdb4f76eb70

diff --git a/src/Makefile b/src/Makefile
index b9755227..d5a72b66 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -25,8 +25,11 @@ EXE = stockfish
 ### ==========================================================================
 ### Compiler speed switches for both GCC and ICC. These settings are generally
 ### fast on a broad range of systems, but may be changed experimentally
+###
+### NOTE: Some versions of gcc miscompile value.h with -O2 or -O3, this is the
+### safe setup, try changing to -O3 or -O2 and verify it works for you.
 ### ==========================================================================
-GCCFLAGS = -O3 -msse
+GCCFLAGS = -O1 -msse
 ICCFLAGS = -fast -msse
 ICCFLAGS-OSX = -fast -mdynamic-no-pic
 
@@ -40,11 +43,11 @@ ICCFLAGS-OSX += -DNDEBUG
 
 
 ### ==========================================================================
-### Enable/disable compile for a big-endian CPU, disabled by default
+### Remove below comments to compile for a big-endian machine
 ### ==========================================================================
-GCCFLAGS += -DNBIGENDIAN
-ICCFLAGS += -DNBIGENDIAN
-ICCFLAGS-OSX += -DNBIGENDIAN
+#GCCFLAGS += -DBIGENDIAN
+#ICCFLAGS += -DBIGENDIAN
+#ICCFLAGS-OSX += -DBIGENDIAN
 
 
 ### ==========================================================================