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 ($(MACHTYPE),powerpc)
  23                 HOSTTYPE := ppc
  24         endif
  25 endif
  26
  27 # allow for a specific PLATFORM to override ARCH
  28 ifeq ($(PLATFORM),)
  29         ifeq ($(ARCH),)
  30                 #       by default, build for a i386-pc
  31                 PLATFORM := pc
  32         endif
  33 endif
  34
  35 # some platforms only support one arch
  36 ifeq ($(PLATFORM),pegasos)
  37 ARCH := ppc
  38 endif
  39 ifeq ($(PLATFORM),mac)
  40 ARCH := ppc
  41 endif
  42 ifeq ($(PLATFORM),pc)
  43 ARCH := i386
  44 endif
  45 ifeq ($(PLATFORM),xbox)
  46 ARCH := i386
  47 endif
  48
  49 # build the TARGET variable
  50 TARGET := $(ARCH)-$(PLATFORM)
  51
  52 # HOST_* is for local targets (tools)
  53 HOST_CC := gcc
  54 HOST_LD := $(LD)
  55 HOST_AS := $(AS)
  56 HOST_AR := $(AR)
  57 HOST_OBJCOPY := objcopy
  58 HOST_OBJDUMP := objdump
  59 HOST_STRIP := strip
  60 HOST_SIZE := size
  61
  62 # setup some local commands
  63 ECHO := echo
  64 AWK := awk
  65 ifeq ($(OSTYPE),SunOS)
  66         ECHO := /usr/ucb/echo
  67         AWK := gawk
  68 endif
  69 ifeq ($(findstring solaris,$(OSTYPE)),solaris)
  70         ECHO := /usr/ucb/echo
  71         AWK := gawk
  72 endif
  73
  74 # TOOLCHAIN_ARCH is usually ARCH, except in a few cases
  75 TOOLCHAIN_ARCH := $(ARCH)
  76 ifeq ($(ARCH),sh4)
  77 TOOLCHAIN_ARCH := sh
  78 endif
  79
  80 # try to detect if the user has ARCH-newos-gcc installed
  81 #
  82 #  NOTE:
  83 #       the "| cat" below looks unnecesary, this is
  84 #       to avoid a bug in liberty in certain versions
  85 #       of gmake for BeOS
  86 FOO := $(shell $(TOOLCHAIN_ARCH)-newos-gcc --version | cat)
  87 ifneq ($(FOO),)
  88 $(warning found newos toolchain!)
  89         CC = $(TOOLCHAIN_ARCH)-newos-gcc
  90         LD = $(TOOLCHAIN_ARCH)-newos-ld
  91         AS = $(TOOLCHAIN_ARCH)-newos-as
  92         AR = $(TOOLCHAIN_ARCH)-newos-ar
  93         OBJCOPY = $(TOOLCHAIN_ARCH)-newos-objcopy
  94         OBJDUMP = $(TOOLCHAIN_ARCH)-newos-objdump
  95         STRIP = $(TOOLCHAIN_ARCH)-newos-strip
  96         SIZE = $(TOOLCHAIN_ARCH)-newos-size
  97 else
  98 $(warning WARNING: custom newos toolchain not found!)
  99 $(warning This build will probably fail miserably)
 100 $(warning Download the appropriate toolchain for your build environment)
 101 $(warning at http://newos.sourceforge.net/download.php)
 102 CC = $(HOST_CC)
 103 LD = $(HOST_LD)
 104 AS = $(HOST_AS)
 105 AR = $(HOST_AR)
 106 OBJCOPY = $(HOST_OBJCOPY)
 107 OBJDUMP = $(HOST_OBJDUMP)
 108 STRIP = $(HOST_STRIP)
 109 SIZE = $(HOST_SIZE)
 110 endif
 111
 112 # set up some particular options for various architectures
 113 ifeq ($(ARCH),i386)
 114         GLOBAL_CFLAGS = -O2 -g
 115         KERNEL_CFLAGS = -fno-pic
 116         USER_CFLAGS = -fpic
 117         GLOBAL_LDFLAGS = -g
 118 endif
 119
 120 ifeq ($(ARCH),x86_64)
 121         GLOBAL_CFLAGS = -O2 -g
 122         KERNEL_CFLAGS = -fpic
 123         USER_CFLAGS = -fpic
 124         GLOBAL_LDFLAGS = -g -m elf_x86_64
 125 endif
 126
 127 ifeq ($(ARCH),ppc)
 128         GLOBAL_CFLAGS = -fno-pic -O -D__PPC__ -mregnames
 129         GLOBAL_LDFLAGS =
 130 endif
 131
 132 ifeq ($(ARCH),ppc64)
 133         GLOBAL_CFLAGS =
 134         GLOBAL_LDFLAGS =
 135 endif
 136
 137 ifeq ($(ARCH),arm)
 138         GLOBAL_CFLAGS = -O2 -g
 139         KERNEL_CFLAGS = -fno-pic
 140         USER_CFLAGS = -fpic
 141         GLOBAL_LDFLAGS =
 142 endif
 143
 144 ifeq ($(ARCH),sh4)
 145         GLOBAL_CFLAGS = -ml -m4-single-only -mhitachi -O1
 146         KERNEL_CFLAGS = -fno-pic
 147         USER_CFLAGS = -fpic
 148         GLOBAL_LDFLAGS = -EL
 149 endif
 150
 151 ifeq ($(ARCH),sparc64)
 152         GLOBAL_CFLAGS =
 153         GLOBAL_LDFLAGS =
 154 endif
 155
 156 ifeq ($(ARCH),sparc)
 157         GLOBAL_CFLAGS =
 158         GLOBAL_LDFLAGS =
 159 endif
 160
 161 ifeq ($(ARCH),m68k)
 162         GLOBAL_CFLAGS = -O0 -g -m68040
 163         KERNEL_CFLAGS = -fno-pic
 164         USER_CFLAGS = -fpic
 165         GLOBAL_LDFLAGS = -g
 166 endif
 167
 168 ifeq ($(ARCH),alpha)
 169         GLOBAL_CFLAGS =
 170         GLOBAL_LDFLAGS =
 171 endif
 172
 173 ifeq ($(ARCH),mips)
 174         GLOBAL_CFLAGS = -fno-pic -mips4 -meb -G 0
 175         GLOBAL_LDFLAGS =
 176 endif
 177
 178 # check to see if we should use distcc and/or ccache
 179 ifneq ($(USE_DISTCC),)
 180 $(warning using distcc)
 181         CC := distcc $(CC)
 182 endif
 183
 184 ifneq ($(USE_CCACHE),)
 185 $(warning using ccache)
 186         CC := ccache $(CC)
 187 endif
 188
 189 # these options are on for all architectures
 190 GLOBAL_CFLAGS += -finline -fno-builtin
 191 GLOBAL_CFLAGS += -Wall -W -Wno-multichar -Wno-unused-parameter -Wmissing-prototypes
 192 GLOBAL_CFLAGS += -DNEWOS=1
 193 GLOBAL_CFLAGS += -DARCH_$(ARCH)=1 -D__ARCH__=$(ARCH) -U$(ARCH)
 194 GLOBAL_CFLAGS += -DPLATFORM_$(PLATFORM)=1
 195
 196 GLOBAL_CPPFLAGS = $(GLOBAL_CFLAGS)
 197
 198 GLOBAL_ASFLAGS += -D__ASSEMBLY__
 199
 200 # find libgcc
 201 LIBGCC := -lgcc
 202 LIBGCC_PATH := $(dir $(shell $(CC) $(GLOBAL_CFLAGS) -print-libgcc-file-name))
 203 ifeq ($(ARCH),arm)
 204 LIBGCC_PATH := /usr/local/arm-newos/lib/gcc-lib/arm-newos/3.3.3
 205 endif
 206 $(warning LIBGCC_PATH = $(LIBGCC_PATH))
 207 ifneq ($(ARCH),sh4)
 208 LIBGCC_INCLUDE += -I$(LIBGCC_PATH)/include
 209 endif
 210
 211
 212 # print some info
 213 $(warning ARCH = $(ARCH))
 214 $(warning PLATFORM = $(PLATFORM))
 215 $(warning TARGET = $(TARGET))
 216
 217 # figure out where the build dir will be
 218 BUILD_DIR = build/$(TARGET)
 219 $(warning build dir will be $(BUILD_DIR))
 220 $(shell mkdir -p $(BUILD_DIR))
 221