make.syscfg

   1
   2 # figure out a few things about the host build system
   3 ifeq ($(HOSTTYPE),)
   4         HOSTTYPE := $(shell uname -m)
   5 endif
   6 ifeq ($(OSTYPE),)
   7         OSTYPE := $(shell uname -s | awk -F_ '{print $$1}' | tr A-Z a-z)
   8 endif
   9 ifeq ($(HOSTTYPE),i586)
  10         HOSTTYPE := i386
  11 endif
  12 ifeq ($(HOSTTYPE),i686)
  13         HOSTTYPE := i386
  14 endif
  15 ifeq ($(HOSTTYPE), )
  16         HOSTTYPE := i386
  17 endif
  18 ifeq ($(findstring Macintosh,$(HOSTTYPE)),Macintosh)
  19         HOSTTYPE := ppc
  20 endif
  21 ifeq ($(HOSTTYPE),macintosh)
  22         ifeq ($(MACHTYPE),powerpc)
  23                 HOSTTYPE := ppc
  24         endif
  25 endif
  26
  27 # default platform and arch
  28 ifeq ($(PLATFORM),)
  29         ifeq ($(ARCH),)
  30                 #       by default, build for a i386-pc
  31                 ARCH := i386
  32                 PLATFORM := pc
  33         endif
  34 endif
  35
  36 # some platforms only support one arch
  37 ifeq ($(PLATFORM),pegasos)
  38 ARCH := ppc
  39 endif
  40 ifeq ($(PLATFORM),mac)
  41 ARCH := ppc
  42 endif
  43 ifeq ($(PLATFORM),xbox)
  44 ARCH := i386
  45 endif
  46 ifeq ($(PLATFORM),dreamcast)
  47 ARCH := sh4
  48 endif
  49
  50 # some arches only support one platform
  51 ifeq ($(ARCH),x86_64)
  52 PLATFORM := pc
  53 endif
  54 ifeq ($(ARCH),sh4)
  55 PLATFORM := dreamcast
  56 endif
  57
  58 # build the TARGET variable
  59 TARGET := $(ARCH)-$(PLATFORM)
  60
  61 # HOST_* is for local targets (tools)
  62 HOST_CC := gcc
  63 HOST_LD := $(LD)
  64 HOST_AS := $(AS)
  65 HOST_AR := $(AR)
  66 HOST_OBJCOPY := objcopy
  67 HOST_OBJDUMP := objdump
  68 HOST_STRIP := strip
  69 HOST_SIZE := size
  70
  71 # setup some local commands
  72 ECHO := echo
  73 AWK := awk
  74 ifeq ($(OSTYPE),SunOS)
  75         ECHO := /usr/ucb/echo
  76         AWK := gawk
  77 endif
  78 ifeq ($(findstring solaris,$(OSTYPE)),solaris)
  79         ECHO := /usr/ucb/echo
  80         AWK := gawk
  81 endif
  82
  83 # TOOLCHAIN_ARCH is usually ARCH, except in a few cases
  84 TOOLCHAIN_ARCH := $(ARCH)
  85 ifeq ($(ARCH),sh4)
  86 TOOLCHAIN_ARCH := sh
  87 endif
  88
  89 # try to detect if the user has ARCH-newos-gcc installed
  90 #
  91 #  NOTE:
  92 #       the "| cat" below looks unnecesary, this is
  93 #       to avoid a bug in liberty in certain versions
  94 #       of gmake for BeOS
  95 CC :=
  96 FOO := $(shell $(TOOLCHAIN_ARCH)-newos-gcc --version | cat)
  97 ifneq ($(FOO),)
  98 $(warning found newos toolchain!)
  99         CC = $(TOOLCHAIN_ARCH)-newos-gcc
 100         LD = $(TOOLCHAIN_ARCH)-newos-ld
 101         AS = $(TOOLCHAIN_ARCH)-newos-as
 102         AR = $(TOOLCHAIN_ARCH)-newos-ar
 103         OBJCOPY = $(TOOLCHAIN_ARCH)-newos-objcopy
 104         OBJDUMP = $(TOOLCHAIN_ARCH)-newos-objdump
 105         STRIP = $(TOOLCHAIN_ARCH)-newos-strip
 106         SIZE = $(TOOLCHAIN_ARCH)-newos-size
 107 endif
 108
 109 FOO := $(shell $(TOOLCHAIN_ARCH)-elf-gcc --version | cat)
 110 ifneq ($(FOO),)
 111 $(warning WARNING: custom newos toolchain not found!)
 112 $(warning falling back to elf toolchain)
 113         CC = $(TOOLCHAIN_ARCH)-elf-gcc
 114         LD = $(TOOLCHAIN_ARCH)-elf-ld
 115         AS = $(TOOLCHAIN_ARCH)-elf-as
 116         AR = $(TOOLCHAIN_ARCH)-elf-ar
 117         OBJCOPY = $(TOOLCHAIN_ARCH)-elf-objcopy
 118         OBJDUMP = $(TOOLCHAIN_ARCH)-elf-objdump
 119         STRIP = $(TOOLCHAIN_ARCH)-elf-strip
 120         SIZE = $(TOOLCHAIN_ARCH)-elf-size
 121 endif
 122 ifeq ($(CC),)
 123 $(warning WARNING: custom newos toolchain not found!)
 124 $(warning This build will probably fail miserably)
 125 $(warning Download the appropriate toolchain for your build environment)
 126 $(warning at http://newos.sourceforge.net/download.php)
 127         CC = $(HOST_CC)
 128         LD = $(HOST_LD)
 129         AS = $(HOST_AS)
 130         AR = $(HOST_AR)
 131         OBJCOPY = $(HOST_OBJCOPY)
 132         OBJDUMP = $(HOST_OBJDUMP)
 133         STRIP = $(HOST_STRIP)
 134         SIZE = $(HOST_SIZE)
 135 endif
 136
 137 # set up some particular options for various architectures
 138 ifeq ($(ARCH),i386)
 139         GLOBAL_CFLAGS = -O2 -g
 140         KERNEL_CFLAGS = -fno-pic
 141         USER_CFLAGS = -fpic
 142         GLOBAL_LDFLAGS = -g
 143 endif
 144
 145 ifeq ($(ARCH),x86_64)
 146         GLOBAL_CFLAGS = -O2 -g
 147         KERNEL_CFLAGS = -fpic
 148         USER_CFLAGS = -fpic
 149         GLOBAL_LDFLAGS = -g -m elf_x86_64
 150 endif
 151
 152 ifeq ($(ARCH),ppc)
 153         GLOBAL_CFLAGS = -fno-pic -O -D__PPC__ -mregnames
 154         GLOBAL_LDFLAGS =
 155 endif
 156
 157 ifeq ($(ARCH),ppc64)
 158         GLOBAL_CFLAGS =
 159         GLOBAL_LDFLAGS =
 160 endif
 161
 162 ifeq ($(ARCH),arm)
 163         GLOBAL_CFLAGS = -O2 -g
 164         KERNEL_CFLAGS = -fno-pic
 165         USER_CFLAGS = -fpic
 166         GLOBAL_LDFLAGS =
 167 endif
 168
 169 ifeq ($(ARCH),sh4)
 170         GLOBAL_CFLAGS = -ml -m4-single-only -mhitachi -O2 -g
 171         KERNEL_CFLAGS = -fno-pic
 172         USER_CFLAGS = -fpic
 173         GLOBAL_LDFLAGS = -EL
 174 endif
 175
 176 ifeq ($(ARCH),sparc64)
 177         GLOBAL_CFLAGS =
 178         GLOBAL_LDFLAGS =
 179 endif
 180
 181 ifeq ($(ARCH),sparc)
 182         GLOBAL_CFLAGS =
 183         GLOBAL_LDFLAGS =
 184 endif
 185
 186 ifeq ($(ARCH),m68k)
 187         GLOBAL_CFLAGS = -O0 -g -m68040
 188         KERNEL_CFLAGS = -fno-pic
 189         USER_CFLAGS = -fpic
 190         GLOBAL_LDFLAGS = -g
 191 endif
 192
 193 ifeq ($(ARCH),alpha)
 194         GLOBAL_CFLAGS =
 195         GLOBAL_LDFLAGS =
 196 endif
 197
 198 ifeq ($(ARCH),mips)
 199         GLOBAL_CFLAGS = -fno-pic -mips4 -meb -G 0
 200         GLOBAL_LDFLAGS =
 201 endif
 202
 203 # check to see if we should use distcc and/or ccache
 204 ifneq ($(USE_DISTCC),)
 205 $(warning using distcc)
 206         CC := distcc $(CC)
 207 endif
 208
 209 ifneq ($(USE_CCACHE),)
 210 $(warning using ccache)
 211         CC := ccache $(CC)
 212 endif
 213
 214 # these options are on for all architectures
 215 GLOBAL_CFLAGS += -finline -fno-builtin
 216 GLOBAL_CFLAGS += -Wall -W -Wno-multichar -Wno-unused-parameter -Wmissing-prototypes
 217 GLOBAL_CFLAGS += -DNEWOS=1
 218 GLOBAL_CFLAGS += -DARCH_$(ARCH)=1 -D__ARCH__=$(ARCH) -U$(ARCH)
 219 GLOBAL_CFLAGS += -DPLATFORM_$(PLATFORM)=1
 220
 221 GLOBAL_CPPFLAGS = $(GLOBAL_CFLAGS)
 222
 223 GLOBAL_ASFLAGS += -D__ASSEMBLY__
 224
 225 # find libgcc
 226 LIBGCC := -lgcc
 227 LIBGCC_PATH := $(dir $(shell $(CC) $(GLOBAL_CFLAGS) -print-libgcc-file-name))
 228 ifeq ($(ARCH),arm)
 229 LIBGCC_PATH := /usr/local/arm-newos/lib/gcc-lib/arm-newos/3.3.3
 230 endif
 231 $(warning LIBGCC_PATH = $(LIBGCC_PATH))
 232 ifneq ($(ARCH),sh4)
 233 LIBGCC_INCLUDE += -I$(LIBGCC_PATH)/include
 234 endif
 235
 236
 237 # print some info
 238 $(warning ARCH = $(ARCH))
 239 $(warning PLATFORM = $(PLATFORM))
 240 $(warning TARGET = $(TARGET))
 241
 242 # figure out where the build dir will be
 243 BUILD_DIR = build/$(TARGET)
 244 $(warning build dir will be $(BUILD_DIR))
 245 $(shell mkdir -p $(BUILD_DIR))
 246