conf.mk

   1 export
   2 DEBUG?=1
   3 SYSROOT?=
   4 KERNEL_VERSION?=$(shell uname -r)
   5 ARCH?=$(shell uname -m | sed -e s/i.86/i386/ -e s/parisc64/parisc/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/sh.*/sh/)
   6
   7 BUILD_DIR?=build
   8 OBJ_DIR?=$(BUILD_DIR)/obj
   9 S_DIR?=$(BUILD_DIR)/s
  10 CPIO_DIR?=$(BUILD_DIR)/cpio
  11 MODULES_DIR?=$(CPIO_DIR)/modules
  12
  13 LD:=ld
  14 CC:=gcc
  15 AS:=as
  16
  17 CFLAGS?=-Wall -Wextra -std=gnu99 -O3 -march=native -fverbose-asm -S -I./
  18 LDFLAGS?=-O -nostdlib -Bstatic --strip-all
  19 ASFLAGS?=
  20
  21 ifdef DEBUG
  22 CFLAGS+= -DDEBUG
  23 endif
  24
  25 #*******************************************************************************
  26 #customized your module list (scsi_wait is dealed with)
  27 MODULES?=firmware_class ext4 ahci sd_mod sg
  28 SCSI_WAIT?=1
  29
  30 #milliseconds to wait for more uevents
  31 UEVENTS_TIMEOUT=1
  32
  33 #configure the root device
  34 ROOT=\"sdb3\"
  35 ROOT_FS=\"ext4\"
  36 ROOT_OPTIONS=\"discard\"
  37 ROOT_INIT=\"/sbin/init\"
  38 #*******************************************************************************
  39
  40 ifdef SCSI_WAIT
  41 MODULES+= scsi_wait_scan
  42 CFLAGS+= -DSCSI_WAIT_SCAN
  43 endif
  44
  45 CFLAGS+= -DROOT=$(ROOT) -DROOT_FS=$(ROOT_FS) -DROOT_OPTIONS=$(ROOT_OPTIONS)
  46 CFLAGS+= -DUEVENTS_TIMEOUT=$(UEVENTS_TIMEOUT) -DROOT_INIT=$(ROOT_INIT)