/
Makefile
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/
Makefile
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#
# Copyright (C) 2020-2023 Bernhard Schelling
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
ifeq ($(ISWIN),)
ISWIN := $(findstring :,$(firstword $(subst \, ,$(subst /, ,$(abspath .)))))
endif
ifeq ($(ISMAC),)
ISMAC := $(wildcard /Applications)
endif
PIPETONULL := $(if $(ISWIN),>nul 2>nul,>/dev/null 2>/dev/null)
SOURCES := \
*.cpp \
src/*.cpp \
src/*/*.cpp \
src/*/*/*.cpp
CPUFLAGS := $(MAKE_CPUFLAGS)
STRIPCMD := $(or $(STRIP),strip) --strip-all
ifneq ($(ISWIN),)
OUTNAME := dosbox_pure_libretro.dll
CXX ?= g++
LDFLAGS := -Wl,--gc-sections -fno-ident
COMMONFLAGS += -pthread
else ifneq (,$(findstring ios,$(platform)))
ifeq ($(IOSSDK),)
IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
endif
OUTNAME := dosbox_pure_libretro_ios.dylib
MINVERSION :=
COMMONFLAGS += -DDISABLE_DYNAREC=1
ifeq ($(platform),ios-arm64)
CXX = c++ -arch arm64 -isysroot $(IOSSDK)
else
CXX = c++ -arch armv7 -isysroot $(IOSSDK)
endif
LDFLAGS := -Wl,-dead_strip
ifeq ($(platform),$(filter $(platform),ios9 ios-arm64))
MINVERSION = -miphoneos-version-min=8.0
else
MINVERSION = -miphoneos-version-min=5.0
endif
COMMONFLAGS += $(MINVERSION) -Wno-ignored-optimization-argument -Wno-unknown-warning-option
STRIPCMD := $(or $(STRIP),strip) -xS
else ifeq ($(platform),tvos-arm64)
ifeq ($(IOSSDK),)
IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)
endif
OUTNAME := dosbox_pure_libretro_tvos.dylib
CXX = c++ -arch arm64 -isysroot $(IOSSDK)
LDFLAGS := -Wl,-dead_strip
COMMONFLAGS += -DDISABLE_DYNAREC=1 -Wno-unknown-warning-option
STRIPCMD := $(or $(STRIP),strip) -xS
else ifneq ($(ISMAC),)
OUTNAME := dosbox_pure_libretro.dylib
CXX ?= c++
LDFLAGS := -Wl,-dead_strip
COMMONFLAGS += -pthread -Wno-unknown-warning-option
ifeq ($(CROSS_COMPILE),1)
COMMONFLAGS += -DDISABLE_DYNAREC=1
TARGET_RULE = -target $(LIBRETRO_APPLE_PLATFORM) -isysroot $(LIBRETRO_APPLE_ISYSROOT)
COMMONFLAGS += $(TARGET_RULE)
LDFLAGS += $(TARGET_RULE)
endif
COMMONFLAGS += $(ARCHFLAGS)
LDFLAGS += $(ARCHFLAGS)
STRIPCMD := $(or $(STRIP),strip) -xS
else ifeq ($(platform),windows) # For MSYS2 only
OUTNAME := dosbox_pure_libretro.dll
CXX ?= g++
LDFLAGS := -Wl,--gc-sections -fno-ident
else ifeq ($(platform),vita)
OUTNAME := dosbox_pure_libretro_vita.a
CXX := arm-vita-eabi-g++
AR := arm-vita-eabi-ar
COMMONFLAGS += -DVITA
COMMONFLAGS += -mthumb -mcpu=cortex-a9 -mfloat-abi=hard -ftree-vectorize -ffast-math -fsingle-precision-constant -funroll-loops
COMMONFLAGS += -mword-relocations
COMMONFLAGS += -fno-optimize-sibling-calls
STATIC_LINKING = 1
else ifeq ($(platform),ctr)
OUTNAME := dosbox_pure_libretro_ctr.a
CXX := $(DEVKITARM)/bin/arm-none-eabi-g++
AR := $(DEVKITARM)/bin/arm-none-eabi-ar
COMMONFLAGS += -DARM11 -D_3DS -Os -s -I$(CTRULIB)/include/ -DHAVE_MKDIR
COMMONFLAGS += -march=armv6k -mtune=mpcore -mfloat-abi=hard -mword-relocations
COMMONFLAGS += -fomit-frame-pointer -fstrict-aliasing -ffast-math -fpermissive
COMMONFLAGS += -I$(DEVKITPRO)/libctru/include
STATIC_LINKING = 1
else ifeq ($(platform),ngc)
OUTNAME := dosbox_pure_libretro_ngc.a
CXX := $(DEVKITPPC)/bin/powerpc-eabi-g++
AR := $(DEVKITPPC)/bin/powerpc-eabi-ar
COMMONFLAGS += -DGEKKO -DHW_DOL -mrvl -mcpu=750 -meabi -mhard-float -D__POWERPC__ -D__ppc__ -DMSB_FIRST -DWORDS_BIGENDIAN=1
STATIC_LINKING = 1
else ifeq ($(platform),wii)
OUTNAME := dosbox_pure_libretro_wii.a
CXX := $(DEVKITPPC)/bin/powerpc-eabi-g++
AR := $(DEVKITPPC)/bin/powerpc-eabi-ar
COMMONFLAGS += -DGEKKO -mrvl -mcpu=750 -meabi -mhard-float -fpermissive
COMMONFLAGS += -U__INT32_TYPE__ -U__UINT32_TYPE__ -D__INT32_TYPE__=int -D__POWERPC__ -D__ppc__ -DMSB_FIRST -DWORDS_BIGENDIAN=1
STATIC_LINKING = 1
else ifeq ($(platform),wiiu)
OUTNAME := dosbox_pure_libretro_wiiu.a
CXX := $(DEVKITPPC)/bin/powerpc-eabi-g++
AR := $(DEVKITPPC)/bin/powerpc-eabi-ar
COMMONFLAGS += -DGEKKO -DWIIU -DHW_RVL -mcpu=750 -meabi -mhard-float
COMMONFLAGS += -U__INT32_TYPE__ -U__UINT32_TYPE__ -D__INT32_TYPE__=int -D__POWERPC__ -D__ppc__ -DMSB_FIRST -DWORDS_BIGENDIAN=1 -DGX_PTHREAD_LEGACY
STATIC_LINKING = 1
else ifeq ($(platform),libnx)
OUTNAME := dosbox_pure_libretro_libnx.a
export DEPSDIR = $(CURDIR)
include $(DEVKITPRO)/libnx/switch_rules
COMMONFLAGS += -I$(LIBNX)/include/ -D__SWITCH__ -DHAVE_LIBNX
COMMONFLAGS += -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIC
STATIC_LINKING = 1
else ifeq ($(platform),gcw0)
# You must used the toolchain built on or around 2014-08-20
OUTNAME := dosbox_pure_libretro.so
CXX := /opt/gcw0-toolchain/usr/bin/mipsel-linux-g++
LDFLAGS := -Wl,--gc-sections -fno-ident
CPUFLAGS := -ffast-math -march=mips32r2 -mtune=mips32r2 -mhard-float -fexpensive-optimizations -frename-registers
COMMONFLAGS += -pthread
STRIPCMD := /opt/gcw0-toolchain/usr/mipsel-gcw0-linux-uclibc/bin/strip --strip-all
else ifneq ($(findstring Haiku,$(shell uname -s)),)
OUTNAME := dosbox_pure_libretro.so
LDFLAGS := -Wl,--gc-sections -fno-ident -lroot -lnetwork
ifneq ($(findstring BePC,$(shell uname -m)),)
CXX ?= g++-x86
else
CXX ?= g++
endif
else
OUTNAME := dosbox_pure_libretro.so
CXX ?= g++
LDFLAGS := -Wl,--gc-sections -fno-ident
COMMONFLAGS += -pthread
ifeq ($(CPUFLAGS),)
# ARM optimizations
PROCCPU := $(shell cat /proc/cpuinfo))
ifneq ($(and $(filter ARMv7,$(PROCCPU)),$(filter neon,$(PROCCPU))),)
CPUFLAGS := -marm -mcpu=cortex-a72 -mfpu=neon-fp-armv8 -mfloat-abi=hard -ffast-math
else ifeq ($(ARM_RPI4), 1)
CPUFLAGS := -marm -mcpu=cortex-a72 -mfpu=neon-fp-armv8 -mfloat-abi=hard -ffast-math
else
ifeq ($(CORTEX_A7), 1)
CPUFLAGS += -marm -mcpu=cortex-a7
ifeq ($(ARM_NEON), 1)
CPUFLAGS += -mfpu=neon-vfpv4
endif
endif
ifeq ($(ARM_HARDFLOAT), 1)
CPUFLAGS += -mfloat-abi=hard
endif
endif
endif
CXX_VER := $(shell $(CXX) -v 2>&1)
ifneq ($(and $(findstring arm,$(CXX_VER)),$(findstring version 10,$(CXX_VER))),)
# Switch to gcc 9 to avoid buggy assembly genetation of gcc 10
# On armv7l, gcc 10.2 with -O2 on the file core_dynrec.cpp generates assembly that wrongfully passes NULL to the runcode function
# resulting in a segfault crash. It can be observed by writing block->cache.start to stdout twice where it is NULL at first
# and then the actual value thereafter. This affects upstream SVN DOSBox as well as this core.
CXX := g++-9
endif
endif
ifeq ($(BUILD),DEBUG)
BUILDDIR := debug
CFLAGS := -DDEBUG -D_DEBUG -g -O0
else ifeq ($(BUILD),PROFILE)
BUILDDIR := profile
CFLAGS := -DNDEBUG -O2
else ifeq ($(BUILD),RELEASEDBG)
BUILDDIR := releasedbg
CFLAGS := -DNDEBUG -ggdb -O2
LDFLAGS += -ggdb -O2
else ifeq ($(BUILD),ASAN)
BUILDDIR := asan
CFLAGS := -DDEBUG -D_DEBUG -g -O0 -fsanitize=address -fno-omit-frame-pointer
LDFLAGS += -fsanitize=address -g -O0
else
BUILD := RELEASE
BUILDDIR := release
ifeq ($(platform),vita)
CFLAGS := -DNDEBUG -O3 -fno-ident -fno-partial-inlining
else
CFLAGS := -DNDEBUG -O2 -fno-ident
endif
LDFLAGS += -O2
endif
CFLAGS += $(CPUFLAGS) -std=gnu++11 -fomit-frame-pointer -fexceptions -Wno-address-of-packed-member -Wno-format -Wno-switch -Wno-psabi
ifneq ($(STATIC_LINKING), 1)
CFLAGS += -fpic
else
CFLAGS += -DSTATIC_LINKING
endif
CFLAGS += -fvisibility=hidden -ffunction-sections
CFLAGS += -D__LIBRETRO__ -Iinclude -D_FILE_OFFSET_BITS=64
CFLAGS += $(COMMONFLAGS)
#CFLAGS += -fdata-sections #saves around 32 bytes on most platforms but wrongfully adds up to 60MB on msys2
LDLIBS := -lpthread
LDFLAGS += $(CPUFLAGS) -shared
#LDFLAGS += -static-libstdc++ -static-libgcc #adds 1MB to output and still dynamically links against libc and libm
.PHONY: all clean
all: $(OUTNAME)
$(info Building $(OUTNAME) with $(BUILD) configuration (obj files stored in build/$(BUILDDIR)) ...)
SOURCES := $(wildcard $(SOURCES))
$(if $(findstring ~,$(SOURCES)),$(error SOURCES contains a filename with a ~ character in it - Unable to continue))
$(if $(wildcard build),,$(shell mkdir "build"))
$(if $(wildcard build/$(BUILDDIR)),,$(shell mkdir "build/$(BUILDDIR)"))
OBJS := $(addprefix build/$(BUILDDIR)/,$(subst /,~,$(patsubst %,%.o,$(SOURCES))))
-include $(OBJS:%.o=%.d)
$(foreach F,$(OBJS),$(eval $(F): $(subst ~,/,$(patsubst build/$(BUILDDIR)/%.o,%,$(F))) ; $$(call COMPILE,$$@,$$<)))
clean:
$(info Removing all build files ...)
@$(if $(wildcard build/$(BUILDDIR)),$(if $(ISWIN),rmdir /S /Q,rm -rf) "build/$(BUILDDIR)" $(PIPETONULL))
$(OUTNAME) : $(OBJS)
ifeq ($(STATIC_LINKING), 1)
$(info Static linking $@ ...)
$(AR) rcs $@ $^
else
$(info Linking $@ ...)
$(CXX) $(LDFLAGS) -o $@ $^ $(LDLIBS)
ifneq ($(BUILD),DEBUG)
$(STRIPCMD) $@
endif
endif
define COMPILE
$(info Compiling $2 ...)
@$(CXX) $(CFLAGS) -MMD -MP -o $1 -c $2
endef