lustre/archdep.m4

   1 AC_ARG_WITH(lib, [  --with-lib compile lustre library], host_cpu="lib")
   2
   3 AC_MSG_CHECKING(if you are running user mode linux for $host_cpu ...)
   4 if test $host_cpu = "lib" ; then
   5         host_cpu="lib"
   6         AC_MSG_RESULT(no building Lustre library)
   7 else
   8 if test -e $LINUX/include/asm-um ; then
   9 if test  X`ls -id $LINUX/include/asm/ | awk '{print $1}'` = X`ls -id $LINUX/include/asm-um | awk '{print $1}'` ; then
  10         host_cpu="um";
  11         AC_MSG_RESULT(yes)
  12 else
  13         AC_MSG_RESULT(no (asm doesn't point at asm-um))
  14 fi
  15
  16 else
  17         AC_MSG_RESULT(no (asm-um missing))
  18 fi
  19 fi
  20
  21 AC_MSG_CHECKING(setting make flags system architecture: )
  22 case ${host_cpu} in
  23         lib )
  24         AC_MSG_RESULT($host_cpu)
  25         KCFLAGS='-g -Wall '
  26         KCPPFLAGS='-D__arch_lib__ '
  27         MOD_LINK=elf_i386
  28 ;;
  29         um )
  30         AC_MSG_RESULT($host_cpu)
  31         KCFLAGS='-g -Wall -pipe -Wno-trigraphs -Wstrict-prototypes -fno-strict-aliasing -fno-common '
  32         case ${linux25} in
  33                 yes )
  34                 KCPPFLAGS='-D__KERNEL__ -U__i386__ -Ui386 -DUM_FASTCALL -D__arch_um__ -DSUBARCH="i386" -DNESTING=0 -D_LARGEFILE64_SOURCE  -Derrno=kernel_errno -DPATCHLEVEL=4 -DMODULE -I$(LINUX)/arch/um/include -I$(LINUX)/arch/um/kernel/tt/include -O2 -nostdinc -iwithprefix include -DKBUILD_BASENAME=$(MODULE) -DKBUILD_MODNAME=$(MODULE) '
  35         ;;
  36                 * )
  37                 KCPPFLAGS='-D__KERNEL__ -U__i386__ -Ui386 -DUM_FASTCALL -D__arch_um__ -DSUBARCH="i386" -DNESTING=0 -D_LARGEFILE64_SOURCE  -Derrno=kernel_errno -DPATCHLEVEL=4 -DMODULE -I$(LINUX)/arch/um/include '
  38         ;;
  39         esac
  40
  41         MOD_LINK=elf_i386
  42 ;;
  43         i*86 )
  44         AC_MSG_RESULT($host_cpu)
  45         KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -pipe'
  46         case ${linux25} in
  47                 yes )
  48                 KCPPFLAGS='-D__KERNEL__ -DMODULE -march=i686 -I$(LINUX)/include/asm-i386/mach-default -nostdinc -iwithprefix include '
  49         ;;
  50                 * )
  51                 KCPPFLAGS='-D__KERNEL__ -DMODULE '
  52         ;;
  53         esac
  54         MOD_LINK=elf_i386
  55 ;;
  56
  57         alphaev6 )
  58         AC_MSG_RESULT($host_cpu)
  59         KCFLAGS='-g -O2  -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev6'
  60         KCPPFLAGS='-D__KERNEL__ -DMODULE '
  61         MOD_LINK=elf64alpha
  62 ;;
  63
  64         alphaev67 )
  65         AC_MSG_RESULT($host_cpu)
  66         KCFLAGS='-g -O2  -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev6'
  67         KCPPFLAGS='-D__KERNEL__ -DMODULE '
  68         MOD_LINK=elf64alpha
  69 ;;
  70
  71         alpha* )
  72         AC_MSG_RESULT($host_cpu)
  73         KCFLAGS='-g -O2  -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev5'
  74         KCPPFLAGS='-D__KERNEL__ -DMODULE '
  75         MOD_LINK=elf64alpha
  76 ;;
  77
  78         ia64 )
  79         AC_MSG_RESULT($host_cpu)
  80         KCFLAGS='-gstabs -O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -pipe -ffixed-r13 -mfixed-range=f10-f15,f32-f127 -falign-functions=32 -mb-step'
  81         KCPPFLAGS='-D__KERNEL__ -DMODULE'
  82         MOD_LINK=elf64_ia64
  83 ;;
  84
  85         sparc64 )
  86         AC_MSG_RESULT($host_cpu)
  87         KCFLAGS='-O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -Wno-unused -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare -Wa,--undeclared-regs'
  88         KCPPFLAGS='-D__KERNEL__'
  89         MOD_LINK=elf64_sparc
  90
  91 ;;
  92
  93         powerpc )
  94         AC_MSG_RESULT($host_cpu)
  95         KCFLAGS='-O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -D__powerpc__ -fsigned-char -msoft-float -pipe -ffixed-r2 -Wno-uninitialized -mmultiple -mstring'
  96         KCPPFLAGS='-D__KERNEL__'
  97         MOD_LINK=elf32ppclinux
  98 ;;
  99
 100         *)
 101         AC_ERROR("Unknown Linux Platform: $host_cpu")
 102 ;;
 103 esac
 104
 105 if test $host_cpu != lib ; then
 106 AC_MSG_CHECKING(for MODVERSIONS)
 107 if egrep -e 'MODVERSIONS.*1' $LINUX/include/linux/autoconf.h >/dev/null 2>&1;
 108 then
 109         MFLAGS="-DMODULE -DMODVERSIONS -include $LINUX/include/linux/modversions.h -DEXPORT_SYMTAB"
 110         AC_MSG_RESULT(yes)
 111 else
 112         MFLAGS=
 113         AC_MSG_RESULT(no)
 114 fi
 115
 116 AC_MSG_CHECKING(for SMP)
 117 if egrep -e SMP=y $LINUX/.config >/dev/null 2>&1; then
 118         SMPFLAG=
 119         AC_MSG_RESULT(yes)
 120 else
 121         SMPFLAG=
 122         AC_MSG_RESULT(no)
 123 fi
 124 fi
 125
 126 CFLAGS="$KCFLAGS $MFLAGS"
 127 ARCHCPPFLAGS="$KCPPFLAGS"