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# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local preconfigure fragment for sysdeps/riscv
case "$machine" in
riscv*)
xlen=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __riscv_xlen \(.*\)/\1/p'`
flen=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __riscv_flen \(.*\)/\1/p'`
float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __riscv_float_abi_\([^ ]*\) .*/\1/p'`
atomic=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | grep '#define __riscv_atomic' | cut -d' ' -f2`
vector=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __riscv_v \(.*\)/\1/p'`
case "$xlen" in
64 | 32)
;;
*)
as_fn_error 1 "Unable to determine XLEN" "$LINENO" 5
;;
esac
case "$flen" in
64)
float_machine=rvd
with_fp_cond=1
;;
32)
as_fn_error 1 "glibc does not yet support systems with the F but not D extensions" "$LINENO" 5
;;
"")
with_fp_cond=0
;;
*)
as_fn_error 1 "Unable to determine FLEN" "$LINENO" 5
;;
esac
case "$float_abi" in
soft)
abi_flen=0
;;
single)
as_fn_error 1 "glibc does not yet support the single floating-point ABI" "$LINENO" 5
;;
double)
abi_flen=64
;;
*)
as_fn_error 1 "Unable to determine floating-point ABI" "$LINENO" 5
;;
esac
case "$atomic" in
__riscv_atomic)
;;
*)
as_fn_error 1 "glibc requires the A extension" "$LINENO" 5
;;
esac
if test -n "$vector"; then
version=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __GNUC__ \(.*\)/\1/p'`
test $version -lt 15 && as_fn_error 1 "glibc requires GCC 15 or later for the V extension" "$LINENO" 5
test $vector -lt "1000000" && as_fn_error 1 "glibc requires at least RVV 1.0 for the V extension" "$LINENO" 5
fi
base_machine=riscv
machine=riscv/rv$xlen/$float_machine
printf "%s\n" "#define RISCV_ABI_XLEN $xlen" >>confdefs.h
printf "%s\n" "#define RISCV_ABI_FLEN $abi_flen" >>confdefs.h
;;
esac
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