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Improve Makefile for Windows native builds

Browse source 
A Windows Native Build (WNB) can be done:
 - on Windows, using a recent mingw-w64 g++/clang compiler
   distributed by msys2, cygwin and others
 - on Linux, using mingw-w64 g++ to cross compile

Improvements:
 - check for a WNB in a proper way and set a variable to simplify the code
 - set the proper EXE for a WNB
 - use the proper name for the mingw-w64 clang compiler
 - use the static linking for a WNB
 - use wine to make a PGO cross compile on Linux (also with Intel SDE)
 - enable the LTO build for mingw-w64 g++ compiler
 - set `lto=auto` to use the make's job server, if available, or otherwise
   to fall back to autodetection of the number of CPU threads
 - clean up all the temporary LTO files saved in the local directory

Tested on:
 - msys2 MINGW64 (g++), UCRT64 (g++), MINGW32 (g++), CLANG64 (clang)
   environments
 - cygwin mingw-w64 g++
 - Ubuntu 18.04 & 21.10 mingw-w64 PGO cross compile (also with Intel SDE)

closes #3891

No functional change
This commit is contained in:
ppigazzini 2022-01-17 14:03:16 +01:00 • committed by Joost VandeVondele
parent 48bf1a386f
commit 67062637f4
1 changed files with 39 additions and 41 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

80
src/Makefile
View file

@ -19,11 +19,27 @@
### Section 1. General Configuration
### ==========================================================================
### Establish the operating system name
KERNEL = $(shell uname -s)
ifeq ($(KERNEL),Linux)
OS = $(shell uname -o)
endif
### Target Windows OS
ifeq ($(OS),Windows_NT)
target_windows = yes
else ifeq ($(COMP),mingw)
target_windows = yes
ifeq ($(WINE_PATH),)
WINE_PATH = $(shell which wine)
endif
endif
### Executable name
ifeq ($(COMP),mingw)
EXE = stockfish.exe
ifeq ($(target_windows),yes)
EXE = stockfish.exe
else
EXE = stockfish
EXE = stockfish
endif
### Installation dir definitions
@ -32,9 +48,9 @@ BINDIR = $(PREFIX)/bin
### Built-in benchmark for pgo-builds
ifeq ($(SDE_PATH),)
PGOBENCH = ./$(EXE) bench
PGOBENCH = $(WINE_PATH) ./$(EXE) bench
else
PGOBENCH = $(SDE_PATH) -- ./$(EXE) bench
PGOBENCH = $(SDE_PATH) -- $(WINE_PATH) ./$(EXE) bench
endif
### Source and object files
@ -47,12 +63,6 @@ OBJS = $(notdir $(SRCS:.cpp=.o))
VPATH = syzygy:nnue:nnue/features
### Establish the operating system name
KERNEL = $(shell uname -s)
ifeq ($(KERNEL),Linux)
OS = $(shell uname -o)
endif
### ==========================================================================
### Section 2. High-level Configuration
### ==========================================================================
@ -365,6 +375,10 @@ ifeq ($(COMP),gcc)
endif
endif
ifeq ($(target_windows),yes)
LDFLAGS += -static
endif
ifeq ($(COMP),mingw)
comp=mingw
@ -381,9 +395,7 @@ ifeq ($(COMP),mingw)
CXX=i686-w64-mingw32-c++-posix
endif
endif
CXXFLAGS += -pedantic -Wextra -Wshadow
LDFLAGS += -static
endif
ifeq ($(COMP),icc)
@ -395,19 +407,19 @@ endif
ifeq ($(COMP),clang)
comp=clang
CXX=clang++
ifeq ($(target_windows),yes)
CXX=x86_64-w64-mingw32-clang++
endif
CXXFLAGS += -pedantic -Wextra -Wshadow
ifneq ($(KERNEL),Darwin)
ifneq ($(KERNEL),OpenBSD)
ifneq ($(KERNEL),FreeBSD)
ifneq ($(findstring MINGW,$(KERNEL)),MINGW)
ifeq ($(filter $(KERNEL),Darwin OpenBSD FreeBSD),)
ifeq ($(target_windows),)
ifneq ($(RTLIB),compiler-rt)
LDFLAGS += -latomic
endif
endif
endif
endif
endif
ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(OS),Android)
@ -418,11 +430,6 @@ ifeq ($(COMP),clang)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
ifeq ($(findstring MINGW,$(KERNEL)),MINGW)
LDFLAGS += -static
endif
endif
ifeq ($(KERNEL),Darwin)
@ -656,9 +663,7 @@ ifeq ($(optimize),yes)
ifeq ($(debug), no)
ifeq ($(comp),clang)
CXXFLAGS += -flto
ifneq ($(findstring MINGW,$(KERNEL)),)
CXXFLAGS += -fuse-ld=lld
else ifneq ($(findstring MSYS,$(KERNEL)),)
ifeq ($(target_windows),yes)
CXXFLAGS += -fuse-ld=lld
endif
LDFLAGS += $(CXXFLAGS)
@ -669,25 +674,17 @@ ifeq ($(debug), no)
ifeq ($(gccisclang),)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS) -flto=jobserver
ifneq ($(findstring MINGW,$(KERNEL)),)
LDFLAGS += -save-temps
else ifneq ($(findstring MSYS,$(KERNEL)),)
LDFLAGS += -save-temps
endif
else
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS)
endif
# To use LTO and static linking on windows, the tool chain requires a recent gcc:
# gcc version 10.1 in msys2 or TDM-GCC version 9.2 are known to work, older might not.
# So, only enable it for a cross from Linux by default.
# To use LTO and static linking on Windows,
# the tool chain requires gcc version 10.1 or later.
else ifeq ($(comp),mingw)
ifeq ($(KERNEL),Linux)
ifneq ($(arch),i386)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS) -flto=jobserver
endif
CXXFLAGS += -flto=auto
LDFLAGS += $(CXXFLAGS) -save-temps
endif
endif
endif
@ -843,8 +840,9 @@ profileclean:
@rm -rf profdir
@rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s
@rm -f stockfish.profdata *.profraw
@rm -f stockfish.exe.lto_wrapper_args
@rm -f stockfish.exe.ltrans.out
@rm -f stockfish.*args*
@rm -f stockfish.*lt*
@rm -f stockfish.res
@rm -f ./-lstdc++.res
default: