1GLIBC_PROVIDES[]dnl See aclocal.m4 in the top level source directory.
2# Local preconfigure fragment for sysdeps/loongarch
3
4case "$machine" in
5loongarch*)
6
7    abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(lp64\|ilp32\).*/\1/p'`
8    float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'`
9
10    with_fp_cond="!defined __loongarch_soft_float"
11
12    case "$float_abi" in
13    soft)
14	abi_flen=0
15	AC_MSG_ERROR([loongarch does not yet support soft floating-point  ABI!!], 1)
16	;;
17    single)
18	AC_MSG_ERROR([glibc does not yet support the single floating-point ABI!!], 1)
19	;;
20    double)
21	abi_flen=64
22	;;
23    *)
24	AC_MSG_ERROR([Unable to determine floating-point ABI!!], 1)
25	;;
26    esac
27
28    case "$abi" in
29    ilp32)
30	AC_MSG_ERROR([loongarch does not yet support ilp32 ABI!!], 1)
31	;;
32    lp64)
33	grlen=64
34	machine=loongarch/lp64
35	;;
36    *)
37	AC_MSG_ERROR([Unable to determine GRLEN!!], 1)
38	;;
39    esac
40
41    AC_DEFINE_UNQUOTED([LOONGARCH_ABI_GRLEN], [$grlen])
42    AC_DEFINE_UNQUOTED([LOONGARCH_ABI_FRLEN], [$abi_flen])
43
44    base_machine=loongarch
45    ;;
46esac
47
48