X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2FMakefile;h=c3660a20fa674739009e3fe65eb9ba9a06e2d8fa;hb=6c197c3964ca0c637ff1f646dc7e6653b1bb4b45;hp=81731e6675c0134d21a994da1c5c048adbd4db8b;hpb=11483fe6d942a4fee6fa272f72251d6b6d6d7454;p=stockfish

diff --git a/src/Makefile b/src/Makefile
index 81731e66..c3660a20 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -134,8 +134,8 @@ endif
 
 ifeq ($(ARCH),armv8)
 	arch = armv8-a
-	bits = 64
 	prefetch = yes
+	popcnt = yes
 endif
 
 ifeq ($(ARCH),ppc-32)
@@ -322,7 +322,7 @@ endif
 
 ### 3.6 popcnt
 ifeq ($(popcnt),yes)
-	ifeq ($(arch),ppc64)
+	ifeq ($(arch),$(filter $(arch),ppc64 armv8-a))
 		CXXFLAGS += -DUSE_POPCNT
 	else ifeq ($(comp),icc)
 		CXXFLAGS += -msse3 -DUSE_POPCNT
@@ -344,10 +344,20 @@ endif
 ### needs access to the optimization flags.
 ifeq ($(optimize),yes)
 ifeq ($(debug), no)
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang))
+		CXXFLAGS += -flto
+		LDFLAGS += $(CXXFLAGS)
+	endif
+
+# To use LTO and static linking on windows, the tool chain requires a recent gcc:
+# gcc version 10.1 in msys2 or TDM-GCC version 9.2 are know to work, older might not.
+# So, only enable it for a cross from Linux by default.
+	ifeq ($(comp),mingw)
+	ifeq ($(KERNEL),Linux)
 		CXXFLAGS += -flto
 		LDFLAGS += $(CXXFLAGS)
 	endif
+	endif
 endif
 endif