Checking patch scripts/build-many-glibcs.py...
Hunk #1 succeeded at 392 (offset 11 lines).
Hunk #2 succeeded at 412 (offset 11 lines).
Checking patch sysdeps/riscv/preconfigure...
error: while searching for:
    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`

    case "$xlen" in
    64 | 32)

error: patch failed: sysdeps/riscv/preconfigure:7
error: sysdeps/riscv/preconfigure: patch does not apply
Checking patch sysdeps/riscv/preconfigure.ac...
error: while searching for:
    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`

    case "$xlen" in
    64 | 32)

error: patch failed: sysdeps/riscv/preconfigure.ac:7
error: sysdeps/riscv/preconfigure.ac: patch does not apply
Checking patch sysdeps/riscv/rv32/rvv/Implies...
Checking patch sysdeps/riscv/rv64/rvv/Implies...