]> git.sesse.net Git - stockfish/blobdiff - src/Makefile
Merge remote-tracking branch 'upstream/master'
[stockfish] / src / Makefile
index 23c19bfb43c7253faafa30621fcf72892d06fe56..171f966cc2473b53a7c7ac531b3ba42778edb618 100644 (file)
@@ -119,7 +119,7 @@ ifeq ($(ARCH), $(filter $(ARCH), \
                  x86-64-vnni512 x86-64-vnni256 x86-64-avx512 x86-64-avxvnni x86-64-bmi2 \
                  x86-64-avx2 x86-64-sse41-popcnt x86-64-modern x86-64-ssse3 x86-64-sse3-popcnt \
                  x86-64 x86-32-sse41-popcnt x86-32-sse2 x86-32 ppc-64 ppc-32 e2k \
-                 armv7 armv7-neon armv8 apple-silicon general-64 general-32))
+                 armv7 armv7-neon armv8 apple-silicon general-64 general-32 riscv64))
    SUPPORTED_ARCH=true
 else
    SUPPORTED_ARCH=false
@@ -341,7 +341,11 @@ ifeq ($(findstring e2k,$(ARCH)),e2k)
        popcnt = yes
 endif
 
+ifeq ($(ARCH),riscv64)
+       arch = riscv64
 endif
+endif
+
 
 ### ==========================================================================
 ### Section 3. Low-level Configuration
@@ -367,11 +371,14 @@ ifeq ($(COMP),gcc)
        CXX=g++
        CXXFLAGS += -pedantic -Wextra
 
-       ifeq ($(arch),$(filter $(arch),armv7 armv8))
+       ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
                ifeq ($(OS),Android)
                        CXXFLAGS += -m$(bits)
                        LDFLAGS += -m$(bits)
                endif
+               ifeq ($(ARCH),riscv64)
+                       CXXFLAGS += -latomic
+               endif
        else
                CXXFLAGS += -m$(bits)
                LDFLAGS += -m$(bits)
@@ -432,11 +439,14 @@ ifeq ($(COMP),clang)
        endif
        endif
 
-       ifeq ($(arch),$(filter $(arch),armv7 armv8))
+       ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
                ifeq ($(OS),Android)
                        CXXFLAGS += -m$(bits)
                        LDFLAGS += -m$(bits)
                endif
+               ifeq ($(ARCH),riscv64)
+                       CXXFLAGS += -latomic
+               endif
        else
                CXXFLAGS += -m$(bits)
                LDFLAGS += -m$(bits)
@@ -505,7 +515,7 @@ endif
 
 ### Sometimes gcc is really clang
 ifeq ($(COMP),gcc)
-       gccversion = $(shell $(CXX) --version)
+       gccversion = $(shell $(CXX) --version 2>/dev/null)
        gccisclang = $(findstring clang,$(gccversion))
        ifneq ($(gccisclang),)
                profile_make = clang-profile-make
@@ -596,7 +606,7 @@ endif
 ifeq ($(avx2),yes)
        CXXFLAGS += -DUSE_AVX2
        ifeq ($(comp),$(filter $(comp),gcc clang mingw))
-               CXXFLAGS += -mavx2
+               CXXFLAGS += -mavx2 -mbmi
        endif
 endif
 
@@ -675,13 +685,25 @@ ifeq ($(pext),yes)
        endif
 endif
 
+### 3.7.1 Try to include git commit sha for versioning
+GIT_SHA = $(shell git rev-parse --short HEAD 2>/dev/null)
+ifneq ($(GIT_SHA), )
+       CXXFLAGS += -DGIT_SHA=\"$(GIT_SHA)\"
+endif
+
+### 3.7.2 Try to include git commit date for versioning
+GIT_DATE = $(shell git show -s --date=format:'%Y%m%d' --format=%cd HEAD 2>/dev/null)
+ifneq ($(GIT_DATE), )
+       CXXFLAGS += -DGIT_DATE=\"$(GIT_DATE)\"
+endif
+
 ### 3.8 Link Time Optimization
 ### This is a mix of compile and link time options because the lto link phase
 ### needs access to the optimization flags.
 ifeq ($(optimize),yes)
 ifeq ($(debug), no)
        ifeq ($(comp),clang)
-               CXXFLAGS += -flto
+               CXXFLAGS += -flto=full
                ifeq ($(target_windows),yes)
                        CXXFLAGS += -fuse-ld=lld
                endif
@@ -691,21 +713,19 @@ ifeq ($(debug), no)
 # GCC on some systems.
        else ifeq ($(comp),gcc)
        ifeq ($(gccisclang),)
-               CXXFLAGS += -flto
+               CXXFLAGS += -flto -flto-partition=one
                LDFLAGS += $(CXXFLAGS) -flto=jobserver
        else
-               CXXFLAGS += -flto
+               CXXFLAGS += -flto=full
                LDFLAGS += $(CXXFLAGS)
        endif
 
 # To use LTO and static linking on Windows,
 # the tool chain requires gcc version 10.1 or later.
        else ifeq ($(comp),mingw)
-       ifneq ($(arch),i386)
-               CXXFLAGS += -flto
+               CXXFLAGS += -flto -flto-partition=one
                LDFLAGS += $(CXXFLAGS) -save-temps
        endif
-       endif
 endif
 endif
 
@@ -730,9 +750,9 @@ help:
        @echo "Supported targets:"
        @echo ""
        @echo "help                    > Display architecture details"
-       @echo "build                   > Standard build"
+       @echo "profile-build           > standard build with profile-guided optimization"
+       @echo "build                   > skip profile-guided optimization"
        @echo "net                     > Download the default nnue net"
-       @echo "profile-build           > Faster build (with profile-guided optimization)"
        @echo "strip                   > Strip executable"
        @echo "install                 > Install executable"
        @echo "clean                   > Clean up"
@@ -762,6 +782,7 @@ help:
        @echo "apple-silicon           > Apple silicon ARM64"
        @echo "general-64              > unspecified 64-bit"
        @echo "general-32              > unspecified 32-bit"
+       @echo "riscv64                 > RISC-V 64-bit"
        @echo ""
        @echo "Supported compilers:"
        @echo ""
@@ -771,14 +792,15 @@ help:
        @echo "icc                     > Intel compiler"
        @echo "ndk                     > Google NDK to cross-compile for Android"
        @echo ""
-       @echo "Simple 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 one of: "
        @echo ""
-       @echo "make -j build ARCH=x86-64  (A portable, slow compile for 64-bit systems)"
-       @echo "make -j build ARCH=x86-32  (A portable, slow compile for 32-bit systems)"
+       @echo "make -j profile-build ARCH=x86-64-avx2    # typically a fast compile for common systems "
+       @echo "make -j profile-build ARCH=x86-64-modern  # A more portable compile for 64-bit systems "
+       @echo "make -j profile-build ARCH=x86-64         # A portable compile for 64-bit systems "
        @echo ""
-       @echo "Advanced examples, for experienced users looking for performance: "
+       @echo "Advanced examples, for experienced users: "
        @echo ""
-       @echo "make    help  ARCH=x86-64-bmi2"
+       @echo "make -j profile-build ARCH=x86-64-bmi2"
        @echo "make -j profile-build ARCH=x86-64-bmi2 COMP=gcc COMPCXX=g++-9.0"
        @echo "make -j build ARCH=x86-64-ssse3 COMP=clang"
        @echo ""
@@ -794,7 +816,7 @@ endif
 
 .PHONY: help build profile-build strip install clean net objclean profileclean \
         config-sanity icc-profile-use icc-profile-make gcc-profile-use gcc-profile-make \
-        clang-profile-use clang-profile-make
+        clang-profile-use clang-profile-make FORCE
 
 build: net config-sanity
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
@@ -834,7 +856,7 @@ net:
        $(eval nnuedownloadurl2 := https://github.com/official-stockfish/networks/raw/master/$(nnuenet))
        $(eval curl_or_wget := $(shell if hash curl 2>/dev/null; then echo "curl -skL"; elif hash wget 2>/dev/null; then echo "wget -qO-"; fi))
        @if [ "x$(curl_or_wget)" = "x" ]; then \
-           echo "Automatic download failed: neither curl nor wget is installed. Install one of these tools or download the net manually"; exit 1; \
+           echo "Neither curl nor wget is installed. Install one of these tools unless the net has been downloaded manually"; \
         fi
        $(eval shasum_command := $(shell if hash shasum 2>/dev/null; then echo "shasum -a 256 "; elif hash sha256sum 2>/dev/null; then echo "sha256sum "; fi))
        @if [ "x$(shasum_command)" = "x" ]; then \
@@ -845,7 +867,9 @@ net:
              echo "$(nnuenet) available."; \
           else \
              if [ "x$(curl_or_wget)" != "x" ]; then \
-                echo "Downloading $${nnuedownloadurl}"; $(curl_or_wget) $${nnuedownloadurl} > $(nnuenet);\
+                 echo "Downloading $${nnuedownloadurl}"; $(curl_or_wget) $${nnuedownloadurl} > $(nnuenet);\
+              else \
+                 echo "No net found and download not possible"; exit 1;\
              fi; \
           fi; \
           if [ "x$(shasum_command)" != "x" ]; then \
@@ -921,7 +945,7 @@ config-sanity: net
        @test "$(SUPPORTED_ARCH)" = "true"
        @test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
         test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "e2k" || \
-        test "$(arch)" = "armv7" || test "$(arch)" = "armv8" || test "$(arch)" = "arm64"
+        test "$(arch)" = "armv7" || test "$(arch)" = "armv8" || test "$(arch)" = "arm64" || test "$(arch)" = "riscv64"
        @test "$(bits)" = "32" || test "$(bits)" = "64"
        @test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
        @test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
@@ -942,6 +966,10 @@ config-sanity: net
 $(EXE): $(OBJS)
        +$(CXX) -o $@ $(OBJS) $(LDFLAGS)
 
+# Force recompilation to ensure version info is up-to-date
+misc.o: FORCE
+FORCE:
+
 clang-profile-make:
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
        EXTRACXXFLAGS='-fprofile-instr-generate ' \
@@ -1010,4 +1038,6 @@ client: $(CLIOBJS)
 .depend: $(SRCS)
        -@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
 
+ifeq (, $(filter $(MAKECMDGOALS), help strip install clean net objclean profileclean config-sanity))
 -include .depend
+endif