[FFmpeg-devel] [PATCH] add cflags filtering rules for suncc

[Michael Kostylev]

>> --- ./configure.orig
>> +++ ./configure
>> @@ -1619,6 +1619,37 @@
>>      cc_version="AV_STRINGIFY(__SUNPRO_C)"
>>      DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
>>      DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
>> +    filter_cflags=suncc_flags
>> +    suncc_flags(){
>> +        for flag; do
>> +            case $flag in
>> +                -march=*|-mcpu=*)
>> +                    case "${flag#*=}" in
>> +                        native)                            echo -xtarget=native     ;;
> 
> We don't pass "native" directly to the compiler so it doesn't need to
> be handled here.  Including it for completeness doesn't hurt though.
 
>> +                        v9)                                echo -xarch=sparc        ;;
> 
> Isn't it better to use -xtarget here?  That option takes more detailed
> chip names and sets -xarch appropriately.

It takes a system name, e.g.
                    ultra, ultra2, ultra2i, ultra1/140,
                    ultra1/170, ultra1/200, ultra2/1170,
                    ultra2/1200, ultra2/1300, ultra2/2170,
                    ultra2/2200, ultra2/2300, ultra2e, ultra2i
and sets -xchip (-mtune for gcc), -xcache and -xarch. 
How can we guess which system is implied?

Michael