Re: [Libcdio-help] Does libcdio can work with macOS (Mac OS X)?

[桃源老師]

Oh I forgot to attach file.  I don't know it is worth to attach or not:

IOStorageDeviceCharacteristics.h
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> 2017/09/16 午前1:59、桃源老師 <address@hidden>のメール:
> 
> Hello Rocky-san,
> 
>> 2017/09/15 午後10:21、Rocky Bernstein <address@hidden>のメール:
>> 
>> I see in lib/osx.c on line 662  the check function getting called. I don't 
>> see exactly where it is defined though. 
>> 
>> Something in High Sierra has changed so that it isn't in the same place as 
>> it used to be. The function itself seems pretty straightforward if it had to 
>> be written from scratch. 
>> 
>> Since you have an older macos box, maybe you can find out from that where 
>> this check function is located in the OSX libraries on the older versoin. 
>> That might suggest what needs changing. 
> 
> I googled the phrase "check ( err == kIOReturnSuccess )"  and then find out 
> the phrase can be found in the code of sleep control or drive description.  
> This is just my opinion, but there might be no change on High Sierra.
> 
> Also, I compared Version 0.94's osx.c with git Version of osx.c and then 
> there are no difference!
> 
> 
> I have tested your git code with macOS Sierra.  (Current release of macOS)
> 
> Then
> 
> If I configure with --disable-shared option, it fails with make on below:
> 
> Making all in src
>  CC       cd-drive.o
>  CC       util.o
>  CC       getopt.o
>  CC       getopt1.o
>  CCLD     cd-drive
>  CC       cd-info.o
>  CC       cddb.o
>  CCLD     cd-info
>  CC       cd-read.o
>  CCLD     cd-read
>  CC       iso-info.o
>  CCLD     iso-info
>  CC       iso-read.o
>  CCLD     iso-read
>  CC       cdda-player.o
>  CCLD     cdda-player
>  CC       mmc-tool.o
>  CCLD     mmc-tool
> make[2]: *** No rule to make target `cd-drive.1', needed by `all-am'.  Stop.
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
> 
> The error can be kind of creation of manual, am I right?
> 
> The fail place is same if I configured without --disable-shared.
> 
> So in my opinion, the change would be in another place.  Not in osx.c....
> 
> 
> I also tried the following:
> 
> 1.Build  libcdio-0.94 with macOS Sierra (Darwin 16.7)
>   It succeeded and can access cd on macOS High Sierra (Darwin 17.0)
> 
> 2.Build libcdio-paranoia-10.2+0.94+2 with macOS Sierra (Darwin 16.7)
>  it  succeeded and can access cd on macOS High Sierra (Darwin 17.0)
> 
> 3.Try to built-in libcdio & paranoia (Build with macOS Sierra (Darwin 16.7)) 
> to ffmpeg
> it failed in configure.  The error is "eject_media_osx" in osx.o (osx.c)
> 
> 4.Try to build libcdio-0.94 with macOS High Sierra (Darwin 17.0) by editing 
> configure script's the following portion:
>   darwin[6-9].*|darwin1[0-6].*)  to darwin[6-9].*|darwin[1-9][0-9].*)
> 
>  This fails with make by the following error.
> 
> Making all in src
>  CC       cd-drive.o
>  CC       util.o
>  CC       getopt.o
>  CC       getopt1.o
>  CCLD     cd-drive
> Undefined symbols for architecture x86_64:
>  "_check", referenced from:
>      _get_drive_service_osx in libcdio.a(osx.o)
> ld: symbol(s) not found for architecture x86_64
> clang: error: linker command failed with exit code 1 (use -v to see 
> invocation)
> make[2]: *** [cd-drive] Error 1
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
> 
> Then I thought that the function of 
> 
> static io_service_t
> get_drive_service_osx(const _img_private_t *p_env) {}
> 
> have to be changed.  (Just my guess)
> 
> I found that a header file named "IOStorageDeviceCharacteristics.h" was found 
> in High Sierra's Kernel.framework but don't found in Sierra's 
> Kernel.framework.
> This header file was found by the phrase "kIOCDBlockStorageDeviceClassString" 
> in function of get_drive_service_osx.
> 
> I'm not sure am I doing correct thing,  but tonight I'll stop around here...
> 
> 
> Best Regards,
> 
> 
> // Miya aka. TougenRoushi

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