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GLIBC_PROVIDES[]dnl See aclocal.m4 in the top level source directory.
# Local preconfigure fragment for sysdeps/loongarch
case "$machine" in
loongarch*)
abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(lp64\|ilp32\).*/\1/p'`
float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'`
with_fp_cond="!defined __loongarch_soft_float"
case "$float_abi" in
soft)
abi_flen=0
AC_MSG_ERROR([loongarch does not yet support soft floating-point ABI!!], 1)
;;
single)
AC_MSG_ERROR([glibc does not yet support the single floating-point ABI!!], 1)
;;
double)
abi_flen=64
;;
*)
AC_MSG_ERROR([Unable to determine floating-point ABI!!], 1)
;;
esac
case "$abi" in
ilp32)
AC_MSG_ERROR([loongarch does not yet support ilp32 ABI!!], 1)
;;
lp64)
grlen=64
machine=loongarch/lp64
;;
*)
AC_MSG_ERROR([Unable to determine GRLEN!!], 1)
;;
esac
AC_DEFINE_UNQUOTED([LOONGARCH_ABI_GRLEN], [$grlen])
AC_DEFINE_UNQUOTED([LOONGARCH_ABI_FRLEN], [$abi_flen])
base_machine=loongarch
;;
esac
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