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# Makefile (for typhoon/GNU-style make). Recognized gmake variables:
#
# DEBUG=1: make debug version (includes asserts and sanity checks)
# TEST=1: include self-test code in the binary produced
# ASM=1: create assembly code, does not link final binary
# EVAL_DUMP=1: make a version that can dump eval breakdowns
# EVAL_TIME=1: make a version that counts cycles spent in eval
# PERF_COUNTERS=1: make version with perf counters enabled
# BOUNDS_CHECKING=1: make version with bounds checking enabled
# MP=1: make version for multi-processor machine
# DUMP_TREE=1: internal tree dumping version
# SEE_HEAPS=1: use minheaps in the SEE code
# OSX=1: build for an Intel-based Apple Mac (omit this for FreeBSD/Linux)
# USE_READLINE=1: link against the GNU readline library
# SIXTYFOUR=1: make an X64 binary
# CROUTINES=1: use the C versions of the asm routines [slower]
# GETATTACKS_BITBOARD=1: use the bbPieces/bbPawns-backed _GetAttacksBB
# instead of the asm/CROUTINES GetAttacks -- see
# board_representation/MIGRATION.md section 6
# EVERYTHING=1: everything everything everything everything
#
# $Id$
#
CC = clang
CXX = clang++
NASM = yasm
# Default to a 64-bit build -- 32-bit clang isn't available in this
# environment anyway (see CLAUDE.md). Still overridable in principle
# (e.g. `gmake SIXTYFOUR=` won't un-set it since ?= only fires when
# unset, but this matches how every build in this session has actually
# been invoked).
SIXTYFOUR ?= 1
ifdef OSX
LIBRARIES = -pthread -lc
ifdef SIXTYFOUR
$(warning you will need to use yasm for now to get x64 on OSX)
NASMFLAGS = -f macho64 -dOSX -d_X64_
else
NASMFLAGS = -f macho -dOSX
endif
else
LIBRARIES = -pthread -lc -lstdc++
ifdef SIXTYFOUR
NASMFLAGS = -f elf64 -d__GNUC__
else
NASMFLAGS = -f elf -d__GNUC__
endif
endif
RM = /bin/rm
#
# Setup commandline based on make defines
#
ifdef ASM
ifdef SIXTYFOUR
PROFILE = -S -fverbose-asm -D_X64_
else
PROFILE = -S -fverbose-asm -D_X86_
endif
else
ifdef SIXTYFOUR
PROFILE = -D_X64_
else
PROFILE = -D_X86_
endif
endif
ifdef OSX
PROFILE += -DOSX
endif
ifdef GENETIC
PROFILE += -DGENETIC
endif
ifdef DEBUG
PROFILE += -g -O2 -DDEBUG
BINARY = _typhoon
else
PROFILE += -g -O3 -ffast-math -finline-functions
BINARY = typhoon
endif
ifdef USE_READLINE
LIBRARIES += -lreadline
PROFILE += -DUSE_READLINE
endif
ifdef SIXTYFOUR
PROFILE += -m64
NASMFLAGS += -d_X64_
else
PROFILE += -m32
NASMFLAGS += -d_X86_
endif
ifdef CROUTINES
PROFILE += -DCROUTINES
endif
ifdef GETATTACKS_BITBOARD
PROFILE += -DGETATTACKS_BITBOARD
endif
ifdef EVERYTHING
PROFILE += -DEVAL_DUMP -DEVAL_TIME -DPERF_COUNTERS -DMP -DSMP -DTEST_NULL -DDUMP_TREE -fbounds-checking
else
ifdef EVAL_DUMP
PROFILE += -DEVAL_DUMP
endif
ifdef EVAL_TIME
PROFILE += -DEVAL_TIME
endif
ifdef PERF_COUNTERS
PROFILE += -DPERF_COUNTERS
endif
ifdef BOUNDS_CHECKING
PROFILE += -fbounds-checking
endif
ifdef MP
PROFILE += -DMP -DSMP
endif
ifdef TEST_NULL
PROFILE += -DTEST_NULL
endif
ifdef DUMP_TREE
PROFILE += -DDUMP_TREE
endif
endif # EVERYTHING
# Short commit hash (plus a -dirty suffix if the working tree has
# uncommitted changes) baked into the binary so a --logfile trace can
# be tied back to the exact source state, not just a build timestamp --
# distinguishing rebuilds of the same day/commit during A/B testing was
# previously only possible by diffing binaries. Placed here, after all
# the PROFILE-overwriting `=` assignments above (not `+=`), so it
# survives into CFLAGS instead of being wiped out by them.
GIT_COMMIT := $(shell git rev-parse --short HEAD 2>/dev/null || echo unknown)
GIT_DIRTY := $(shell git diff --quiet 2>/dev/null || echo -dirty)
# Kept out of PROFILE itself (not folded in via +=): PROFILE gets
# stringified whole into -DPROFILE="..." below for the "Make profile
# used" trace line, and this value's embedded quotes broke that outer
# string literal when it was included there.
CFLAGS = -DPROFILE="\"$(PROFILE)\"" -DGIT_COMMIT=\"$(GIT_COMMIT)$(GIT_DIRTY)\" $(PROFILE) -Wall -Wno-nan-infinity-disabled -Ifathom
HEADERS = chess.h compiler.h
FATHOM_CFLAGS = -std=gnu99 -O2 -Ifathom $(filter -m32 -m64,$(PROFILE))
#
# ---> .o, not .c! <---
#
OBJS = main.o root.o search.o searchsup.o draw.o dynamic.o \
hash.o eval.o evalhash.o x86.o pawnhash.o bitboard.o \
generate.o see.o move.o movesup.o command.o script.o \
input.o vars.o util.o unix.o gamelist.o mersenne.o \
sig.o piece.o ics.o san.o fen.o book.o bench.o board.o \
data.o probe.o fathom.o recogn.o list.o x64.o
ifdef TEST
# ---> .o, not .c! <---
#
OBJS += testdraw.o testmove.o testfen.o testgenerate.o \
testsan.o testics.o testeval.o testbitboard.o \
testhash.o testsee.o testsearch.o testsup.o
PROFILE += -DTEST
else
ifdef EVAL_DUMP
OBJS += testeval.o testsup.o
endif
endif
ifdef DUMP_TREE
OBJS += dumptree.o
endif
ifdef MP
OBJS += split.o
endif
.SUFFIXES: .c .o
.SUFFIXES: .cpp .o
.SUFFIXES: .asm .o
.PHONY: all
all: $(BINARY)
$(BINARY): $(OBJS)
$(CXX) $(PROFILE) -o $(BINARY) -Wall $(LIBRARIES) \
$(OBJS)
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c $< -o $@
fathom.o: fathom/tbprobe.c fathom/tbchess.c fathom/tbconfig.h fathom/tbprobe.h fathom/stdendian.h
$(CC) $(FATHOM_CFLAGS) -c fathom/tbprobe.c -o $@
%.o: %.cpp $(HEADERS)
$(CXX) $(CFLAGS) -c -w $< -o $@
%.o: %.asm $(HEADERS)
$(NASM) $(NASMFLAGS) -o $@ $<
.PHONY: release
release:
$(MAKE) -j5 MP=1 GENETIC=1
.PHONY: debug
debug:
$(MAKE) -j5 DEBUG=1 PERF_COUNTERS=1 GENETIC=1
.PHONY: clean
clean:
$(RM) -f *.o *.core *~ *.gmon \#*\# typhoon _typhoon
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