1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
### s48_native_code.m4 --- S48_NATIVE_CODE macro -*- Autoconf -*-
# serial 1
dnl
dnl
dnl
AC_DEFUN([S48_NATIVE_CODE], [dnl
dnl assumes that S48_PICK_GC already ran
AC_MSG_CHECKING([native-code compiler support])
AC_ARG_ENABLE([native-code],
[AC_HELP_STRING([--enable-native code],
[Include support for native-code compiler])],
[if test "$enable_native_code" != no; then
case $GC_OBJS in
'${GC_TWOSPACE_OBJS}' )
case `uname -m` in
i?86 )
AC_MSG_RESULT([x86])
ASM_OBJECTS='${X86_ASM_OBJECTS}'
AC_CHECK_FUNCS(sigaltstack, HAVE_SIGALTSTACK=1, HAVE_SIGALTSTACK=0)
if test "$HAVE_SIGALTSTACK" = 0; then
AC_MSG_ERROR([Your system lacks sigaltstack])
fi
AC_MSG_CHECKING([assembler style])
case `uname` in
Darwin )
AC_MSG_RESULT([Darwin])
ASM_STYLE='darwin' ;;
* )
AC_MSG_RESULT([GNU(hopefully)])
ASM_STYLE='gnu' ;;
esac ;;
* )
AC_MSG_RESULT([no])
ASM_OBJECTS='${FAKE_ASM_OBJECTS}'
esac;;
* )
AC_MSG_RESULT([no (picked GC not compatible)])
ASM_OBJECTS='${FAKE_ASM_OBJECTS}'
esac
else
AC_MSG_RESULT([no])
ASM_OBJECTS='${FAKE_ASM_OBJECTS}'
fi],
[dnl
AC_MSG_RESULT([no])
ASM_OBJECTS='${FAKE_ASM_OBJECTS}'
]
)
AC_SUBST(ASM_OBJECTS)
AC_SUBST(ASM_STYLE)
])dnl
### s48_native_code.m4 ends here
|
