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Writing Makefile for Digest::SHA2

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

cp SHA2.pm blib\lib\Digest\SHA2.pm
	C:\cpanrun\build\5-10-0\bin\perl.exe C:\cpanrun\build\5-10-0\lib\ExtUtils\xsubpp  -typemap C:\cpanrun\build\5-10-0\lib\ExtUtils\typemap -typemap typemap  SHA2.xs > SHA2.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv SHA2.xsc SHA2.c
	cl -c  -I.  -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -O3 -funroll-loops -fomit-frame-pointer -fschedule-insns2 -Os -fno-strength-reduce -Wall -pipe    -DVERSION=\"1.1.1\"  -DXS_VERSION=\"1.1.1\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"  -DSHA2_USE_INTTYPES_H SHA2.c
Command line error D2021 : invalid numeric argument '/Wall'
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.