Merge remote-tracking branch 'upstream/master'

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index cf4f4ecf15c1c4c9e03f9cf1732d5e45cde36c1d..505fb2cf57bad4a41538b3a15688d48a73dc3503 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -91,7 +91,7 @@ endif
 # at the end of the line for flag values.
 #
 # Example of use for these flags:
-# make build ARCH=x86-64-avx512 debug=on sanitize="address undefined"
+# make build ARCH=x86-64-avx512 debug=yes sanitize="address undefined"
 
 
 ### 2.1. General and architecture defaults
@@ -520,7 +520,7 @@ ifeq ($(bits),64)
        CXXFLAGS += -DIS_64BIT
 endif
 
-### 3.5 prefetch
+### 3.5 prefetch and popcount
 ifeq ($(prefetch),yes)
        ifeq ($(sse),yes)
                CXXFLAGS += -msse
@@ -529,7 +529,6 @@ else
        CXXFLAGS += -DNO_PREFETCH
 endif
 
-### 3.6 popcnt
 ifeq ($(popcnt),yes)
        ifeq ($(arch),$(filter $(arch),ppc64 armv7 armv8 arm64))
                CXXFLAGS += -DUSE_POPCNT
@@ -540,6 +539,7 @@ ifeq ($(popcnt),yes)
        endif
 endif
 
+### 3.6 SIMD architectures
 ifeq ($(avx2),yes)
        CXXFLAGS += -DUSE_AVX2
        ifeq ($(comp),$(filter $(comp),gcc clang mingw))
@@ -754,7 +754,7 @@ profile-build: net config-sanity objclean profileclean
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
        @echo ""
        @echo "Step 2/4. Running benchmark for pgo-build ..."
-       $(PGOBENCH) > /dev/null
+       $(PGOBENCH) 2>&1 | tail -n 4
        @echo ""
        @echo "Step 3/4. Building optimized executable ..."
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) objclean