X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2FMakefile;h=294634f69156656ddf617a0df157f0a550efc3f4;hp=4e4d3d918539f73d0df51e41b77dde2b1188bfc1;hb=8fb45caadef67fb2ccc27857c15ade987d9f5e2f;hpb=90f5937373974adf4ae7216feedf5abc4d62debd

diff --git a/src/Makefile b/src/Makefile
index 4e4d3d91..294634f6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,6 +1,7 @@
 # Stockfish, a UCI chess playing engine derived from Glaurung 2.1
 # Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
 # Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+# Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 #
 # Stockfish is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -49,10 +50,8 @@ OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \
 # optimize = yes/no   --- (-O3/-fast etc.) --- Enable/Disable optimizations
 # arch = (name)       --- (-arch)          --- Target architecture
 # bits = 64/32        --- -DIS_64BIT       --- 64-/32-bit operating system
-# prefetch = yes/no   --- -DUSE_PREFETCH   --- Use prefetch x86 asm-instruction
-# bsfq = yes/no       --- -DUSE_BSFQ       --- Use bsfq x86_64 asm-instruction (only
-#                                              with GCC and ICC 64-bit)
-# popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt x86_64 asm-instruction
+# prefetch = yes/no   --- -DUSE_PREFETCH   --- Use prefetch asm-instruction
+# popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt asm-instruction
 # sse = yes/no        --- -msse            --- Use Intel Streaming SIMD Extensions
 # pext = yes/no       --- -DUSE_PEXT       --- Use pext x86_64 asm-instruction
 #
@@ -65,7 +64,6 @@ optimize = yes
 debug = no
 bits = 32
 prefetch = no
-bsfq = no
 popcnt = no
 sse = no
 pext = no
@@ -95,7 +93,6 @@ ifeq ($(ARCH),x86-64)
 	arch = x86_64
 	bits = 64
 	prefetch = yes
-	bsfq = yes
 	sse = yes
 endif
 
@@ -103,7 +100,6 @@ ifeq ($(ARCH),x86-64-modern)
 	arch = x86_64
 	bits = 64
 	prefetch = yes
-	bsfq = yes
 	popcnt = yes
 	sse = yes
 endif
@@ -112,7 +108,6 @@ ifeq ($(ARCH),x86-64-bmi2)
 	arch = x86_64
 	bits = 64
 	prefetch = yes
-	bsfq = yes
 	popcnt = yes
 	sse = yes
 	pext = yes
@@ -121,7 +116,6 @@ endif
 ifeq ($(ARCH),armv7)
 	arch = armv7
 	prefetch = yes
-	bsfq = yes
 endif
 
 ifeq ($(ARCH),ppc-32)
@@ -151,7 +145,7 @@ endif
 ifeq ($(COMP),gcc)
 	comp=gcc
 	CXX=g++
-	CXXFLAGS += -pedantic -Wextra -Wshadow
+	CXXFLAGS += -pedantic -Wextra -Wshadow -m$(bits)
 	ifneq ($(UNAME),Darwin)
 	   LDFLAGS += -Wl,--no-as-needed
 	endif
@@ -191,10 +185,11 @@ endif
 ifeq ($(COMP),clang)
 	comp=clang
 	CXX=clang++
-	CXXFLAGS += -pedantic -Wextra -Wshadow
+	CXXFLAGS += -pedantic -Wextra -Wshadow -m$(bits)
+	LDFLAGS += -m$(bits)
 	ifeq ($(UNAME),Darwin)
-		CXXFLAGS += -std=c++0x -stdlib=libc++
-		DEPENDFLAGS += -std=c++0x -stdlib=libc++
+		CXXFLAGS += -stdlib=libc++
+		DEPENDFLAGS += -stdlib=libc++
 	endif
 endif
 
@@ -217,7 +212,12 @@ endif
 
 ### Travis CI script uses COMPILER to overwrite CXX
 ifdef COMPILER
-	CXX=$(COMPILER)
+	COMPCXX=$(COMPILER)
+endif
+
+### Allow overwriting CXX from command line
+ifdef COMPCXX
+	CXX=$(COMPCXX)
 endif
 
 ### On mingw use Windows threads, otherwise POSIX
@@ -303,11 +303,6 @@ else
 	CXXFLAGS += -DNO_PREFETCH
 endif
 
-### 3.8 bsfq
-ifeq ($(bsfq),yes)
-	CXXFLAGS += -DUSE_BSFQ
-endif
-
 ### 3.9 popcnt
 ifeq ($(popcnt),yes)
 	ifeq ($(comp),icc)
@@ -364,7 +359,7 @@ help:
 	@echo ""
 	@echo "To compile stockfish, type: "
 	@echo ""
-	@echo "make target ARCH=arch [COMP=comp]"
+	@echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
 	@echo ""
 	@echo "Supported targets:"
 	@echo ""
@@ -394,11 +389,17 @@ help:
 	@echo "clang                   > LLVM Clang compiler"
 	@echo "icc                     > Intel compiler"
 	@echo ""
-	@echo "Examples. If you don't know what to do, you likely want to run: "
+	@echo "Simple examples. If you don't know what to do, you likely want to run: "
 	@echo ""
 	@echo "make build ARCH=x86-64    (This is for 64-bit systems)"
 	@echo "make build ARCH=x86-32    (This is for 32-bit systems)"
 	@echo ""
+	@echo "Advanced examples, for experienced users: "
+	@echo ""
+	@echo "make build ARCH=x86-64 COMP=clang"
+	@echo "make profile-build ARCH=x86-64-modern COMP=gcc COMPCXX=g++-4.8"
+	@echo ""
+
 
 .PHONY: build profile-build
 build:
@@ -453,7 +454,6 @@ config-sanity:
 	@echo "arch: '$(arch)'"
 	@echo "bits: '$(bits)'"
 	@echo "prefetch: '$(prefetch)'"
-	@echo "bsfq: '$(bsfq)'"
 	@echo "popcnt: '$(popcnt)'"
 	@echo "sse: '$(sse)'"
 	@echo "pext: '$(pext)'"
@@ -471,7 +471,6 @@ config-sanity:
 	 test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "armv7"
 	@test "$(bits)" = "32" || test "$(bits)" = "64"
 	@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
-	@test "$(bsfq)" = "yes" || test "$(bsfq)" = "no"
 	@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
 	@test "$(sse)" = "yes" || test "$(sse)" = "no"
 	@test "$(pext)" = "yes" || test "$(pext)" = "no"