Remove last platform specific code form thread.cpp

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 9650c7f615d39fbca602894ba32075306650f93a..a435066515d947e14d388058a053f6f3d1baa16b 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,6 +1,6 @@
 # Stockfish, a UCI chess playing engine derived from Glaurung 2.1
 # Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-# Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+# Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, 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
@@ -243,7 +243,12 @@ ifeq ($(os),osx)
 endif
 
 ### 3.3 General linker settings
-LDFLAGS = -lpthread $(EXTRALDFLAGS)
+LDFLAGS = $(EXTRALDFLAGS)
+
+### On mingw use Windows threads, otherwise POSIX
+ifneq ($(comp),mingw)
+       LDFLAGS += -lpthread
+endif
 
 ifeq ($(os),osx)
        LDFLAGS += -arch $(arch)
@@ -308,15 +313,19 @@ endif
 
 ### 3.10 popcnt
 ifeq ($(popcnt),yes)
-       CXXFLAGS += -DUSE_POPCNT
-
-    ### For gcc we add also msse3 support and Link Time Optimization, note that
-    ### this is a mix of compile and link time options because the lto link phase
-    ### needs access to the optimization flags.
-    ifeq ($(comp),gcc)
-        CXXFLAGS += -msse3 -flto
-        LDFLAGS += $(CXXFLAGS)
-    endif
+       CXXFLAGS += -msse3 -DUSE_POPCNT
+endif
+
+### 3.11 Link Time Optimization, it works since gcc 4.5 but not on mingw.
+### This is a mix of compile and link time options because the lto link phase
+### needs access to the optimization flags.
+ifeq ($(comp),gcc)
+       GCC_MAJOR := `$(CXX) -dumpversion | cut -f1 -d.`
+       GCC_MINOR := `$(CXX) -dumpversion | cut -f2 -d.`
+       ifeq (1,$(shell expr \( $(GCC_MAJOR) \> 4 \) \| \( $(GCC_MAJOR) \= 4 \& $(GCC_MINOR) \>= 5 \)))
+               CXXFLAGS += -flto
+               LDFLAGS += $(CXXFLAGS)
+       endif
 endif
 
 ### ==========================================================================
@@ -333,7 +342,6 @@ help:
        @echo ""
        @echo "build                > Build unoptimized version"
        @echo "profile-build        > Build PGO-optimized version"
-       @echo "double-profile-build > Build PGO-optimized version with and without popcnt support"
        @echo "strip                > Strip executable"
        @echo "install              > Install executable"
        @echo "clean                > Clean up"
@@ -343,7 +351,7 @@ help:
        @echo ""
        @echo "x86-64               > x86 64-bit"
        @echo "x86-64-modern        > x86 64-bit with runtime support for popcnt instruction"
-       @echo "x86-32               > x86 32-bit excluding very old hardware without SSE-support"
+       @echo "x86-32               > x86 32-bit excluding old hardware without SSE-support"
        @echo "x86-32-old           > x86 32-bit including also very old hardware"
        @echo "osx-ppc-64           > PPC-Mac OS X 64 bit"
        @echo "osx-ppc-32           > PPC-Mac OS X 32 bit"
@@ -385,7 +393,7 @@ profile-build:
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
        @echo ""
        @echo "Step 2/4. Running benchmark for pgo-build ..."
-       @sleep 10 | $(PGOBENCH) > /dev/null
+       @$(PGOBENCH) > /dev/null
        @echo ""
        @echo "Step 3/4. Building final executable ..."
        @touch *.cpp
@@ -394,34 +402,6 @@ profile-build:
        @echo "Step 4/4. Deleting profile data ..."
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_clean)
 
-double-profile-build:
-       $(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
-       @echo ""
-       @echo "Step 0/6. Preparing for profile build."
-       $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_prepare)
-       @echo ""
-       @echo "Step 1/6. Building executable for benchmark (popcnt disabled)..."
-       @touch *.cpp *.h
-       $(MAKE) ARCH=x86-64 COMP=$(COMP) $(profile_make)
-       @echo ""
-       @echo "Step 2/6. Running benchmark for pgo-build (popcnt disabled)..."
-       @sleep 10 | $(PGOBENCH) > /dev/null
-       @echo ""
-       @echo "Step 3/6. Building executable for benchmark (popcnt enabled)..."
-       @touch *.cpp *.h
-       $(MAKE) ARCH=x86-64-modern COMP=$(COMP) $(profile_make)
-       @echo ""
-       @echo "Step 4/6. Running benchmark for pgo-build (popcnt enabled)..."
-       @sleep 10 | $(PGOBENCH) > /dev/null
-       @echo ""
-       @echo "Step 5/6. Building final executable ..."
-       @touch *.cpp *.h
-       $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_use)
-       @echo ""
-       @echo "Step 6/6. Deleting profile data ..."
-       $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_clean)
-       @echo ""
-
 strip:
        strip $(EXE)