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[fs/lustre-release.git] / lustre / archdep.m4
1 AC_MSG_CHECKING(if you are running user mode linux for $host_alias..)
2 if test -e $LINUX/include/asm-um ; then
3 if test  X`ls -id $LINUX/include/asm | awk '{print $1}'` = X`ls -id $LINUX/include/asm-um | awk '{print $1}'` ; then
4         host_cpu="um";
5         AC_MSG_RESULT(yes)
6 else
7         AC_MSG_RESULT(no)
8 fi
9
10 else 
11         AC_MSG_RESULT(no)
12 fi
13
14 AC_MSG_CHECKING(setting make flags system architecture: )
15 case ${host_cpu} in
16         um )
17         AC_MSG_RESULT($host_cpu)
18         KCFLAGS='-g -Wall -pipe -Wno-trigraphs -Wstrict-prototypes -fno-strict-aliasing -fno-common '
19         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$(LINUX)/arch/um/include '
20         MOD_LINK=elf_i386
21 ;;
22         i*86 )
23         AC_MSG_RESULT($host_cpu)
24         KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -pipe'
25         KCPPFLAGS='-D__KERNEL__ -DMODULE '
26         MOD_LINK=elf_i386
27 ;;
28
29         alpha )
30         AC_MSG_RESULT($host_cpu)
31         KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -pipe'
32         KCPPFLAGS='-D__KERNEL__ -DMODULE '
33         MOD_LINK=elf64_alpha
34 ;;
35
36         ia64 )
37         AC_MSG_RESULT($host_cpu)
38         KCFLAGS='-Wall -Wstrict-prototypes -Wno-trigraphs -g -O2 -fno-strict-aliasing -fno-common -pipe -ffixed-r13 -mfixed-range=f10-f15,f32-f127 -falign-functions=32 -mb-step'
39         KCPPFLAGS='-D__KERNEL__ -DMODULE'
40         MOD_LINK=elf64_ia64
41 ;;
42
43         sparc64 )
44         AC_MSG_RESULT($host_cpu)
45         KCFLAGS='-Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -Wno-unused -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare -Wa,--undeclared-regs'
46         KCPPFLAGS='-D__KERNEL__'
47         MOD_LINK=elf64_sparc
48
49 ;;
50
51         powerpc )
52         AC_MSG_RESULT($host_cpu)
53         KCFLAGS='-Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -D__powerpc__ -fsigned-char -msoft-float -pipe -ffixed-r2 -Wno-uninitialized -mmultiple -mstring'
54         KCPPFLAGS='-D__KERNEL__'
55         MOD_LINK=elf32ppclinux
56 ;;
57
58         *)
59         AC_ERROR("Unknown Linux Platform: $host_cpu")
60 esac
61
62 AC_MSG_CHECKING(for MODVERSIONS)
63 if egrep -e 'MODVERSIONS.*1' $LINUX/include/linux/autoconf.h >/dev/null 2>&1;
64 then
65         MFLAGS="-DMODULE -DMODVERSIONS -include $LINUX/include/linux/modversions.h -DEXPORT_SYMTAB"
66         AC_MSG_RESULT(yes)
67 else
68         MFLAGS=
69         AC_MSG_RESULT(no)
70 fi
71
72 AC_MSG_CHECKING(for SMP)
73 if egrep -e SMP=y $LINUX/.config >/dev/null 2>&1; then
74         SMPFLAG=
75         AC_MSG_RESULT(yes)
76 else
77         SMPFLAG=
78         AC_MSG_RESULT(no)
79 fi
80
81 CFLAGS="$KCFLAGS $MFLAGS"
82 ARCHCPPFLAGS="$KCPPFLAGS"