librtmp and openssl fail to build on native windows
Initially reported at #164 (comment 180139)
[(45/73) librtmp -> compile ]
Running command '['sh', '-c', 'make SYS=mingw prefix=$CERBERO_PREFIX CRYPTO=GNUTLS XLDFLAGS=\\"$LDFLAGS\\" XCFLAGS=\\"$CFLAGS\\" CC=\\"$CC\\" LD=\\"$LD\\"']'
make: invalid option -- g
make: invalid option -- O
make: invalid option -- 2
make: invalid option -- D
make: invalid option -- D
make: invalid option -- _
openssl:
Running command '['sh', '-c', 'make V=1 AR=\\"$AR\\" RANLIB=\\"$RANLIB\\" CC=\\"$CC $CFLAGS\\" LD=\\"$LD $LDFLAGS\\" LDFLAG=\\"$LDFLAGS -fPIC\\" CFLAG=\\"$CFLAGS -fPIC -DOPENSSL_PIC\\"']'
make: invalid option -- g
make: invalid option -- O
make: invalid option -- 2
make: invalid option -- D
make: invalid option -- D
make: invalid option -- _
make: invalid option -- c
make: invalid option -- :
make: invalid option -- /
make: invalid option -- c
make: invalid option -- g
make: invalid option -- O
make: invalid option -- 2
make: invalid option -- D
make: invalid option -- D
make: invalid option -- _
make: invalid option -- D
make: invalid option -- O
make: invalid option -- P
make: invalid option -- E
make: invalid option -- N
make: invalid option -- _
make: invalid option -- P
This is probably fallout from !195 (merged).