Yuri,

that's only part of the solution.

I tried
» brew reinstall
https://raw.githubusercontent.com/yurikoles/homebrew-core/sane-backends-1.0.27-1/Formula/sane-backends.rb
«

but it leads to error:
  curl: (22) The requested URL returned error: 401 Unauthorized
  Error: Failed to download resource "sane-backends"
  Download failed:
https://homebrew.bintray.com/bottles/sane-backends-1.0.27_1.sierra.bottle.tar.gz

»brew reinstall --build-from-source https://raw.github... « went fine.

I then also edited fxcouderts changes into my own Formula, but:
while »depends_on "pkg-config"« helps (as i wrote before)
but the added »=> :run« or »=> :build« don't make it any better.

The build-log shows »checking for USB... yes« now in any of the three
cases, but the scanner is still not detected.

This is a big step into the right direction, but not the whole way.


Greetings and Gruß,
Thomas.S
(aka schmo-fu)

Am 28.07.17 um 20:31 schrieb Yurii Kolesnykov:
> I had create a PR in homebrew:
> https://github.com/Homebrew/homebrew-core/pull/16170
> 
> Thomas, Tom, please try to install formula from my branch by running:
> 
> brew reinstall
> https://raw.githubusercontent.com/yurikoles/homebrew-core/sane-backends-1.0.27-1/Formula/sane-backends.rb
> 
> чт, 27 лип. 2017 о 22:39 schmo-fu <schmo...@feinfug.org> пише:
> 
>> Hi Tom,
>>
>> you would have to install homebrew (see https://brew.sh/)
>>
>> After that you simply type "brew install sane-backends" this will
>> install a binary (called bottle). The binaries are installed to
>> /usr/local/Cellar/... and symlinked /usr/local/bin/
>>
>> To compile your own brew (after changing something in the formula for
>> example) you would enter "brew install --build-from-source sane-backends".
>>
>> The formula is a ruby-file found at:
>>
>> /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/sane-backends.rb
>>
>> You probably know how to test whether it finds any scanners, but anyway:
>> you use "sane-find-scanner -v" and "scanimage -L".
>>
>>
>> Gruß,
>> Thomas.S
>> (aka schmo-fu)
>>
>> Am 27.07.17 um 21:02 schrieb Tom Myers:
>>> I have a 10000XL I can test with with if there is a 1.0.27 built for
>> macintosh.  Just yell where I can download it.
>>>
>>>> On Jul 27, 2017, at 12:14 PM, schmo-fu <schmo...@feinfug.org> wrote:
>>>>
>>>> Hey Olaf and Yurii,
>>>>
>>>> thank you for your support, there is some progress:
>>>> First i replaced usb-compat- with libusb-dependency in the formula.
>>>> sane-backends compiled, but still no usb-support.
>>>> Then i put »depends_on "pkg-config"« into the formula.
>>>>
>>>> And here we go:
>>>> [sanei_usb] sanei_usb_init: initializing libusb-1.0
>>>> [sanei_usb] sanei_usb_scan_devices: marking existing devices
>>>> [sanei_usb] libusb_scan_devices: Looking for libusb-1.0 devices
>>>> [sanei_usb] libusb_scan_devices: device 0x04a9/0x221c at 038:002 is not
>>>> configured
>>>> [sanei_usb] libusb_scan_devices: found libusb-1.0 device (0x05ac/0x8215)
>>>> interface 0 at libusb:006:003
>>>> [sanei_usb] store_device: add dn 0 with libusb:006:003
>>>>
>>>> Wow! This looked so good, until i realized that the device 0x04a9 "is
>>>> not configured" (and the other one is just the
>> Bluetooth-USB-Controller).
>>>> So »scanimage -L« tells me, that there is still no scanner.
>>>> But this may be an unrelated issue, or isn't it?
>>>> (The scanner btw. is a CanoScan LiDE 60. Switching back to sane-backends
>>>> 1.0.25 shows this:
>>>> found USB scanner (vendor=0x04a9 [Canon], product=0x221c [CanoScan],
>>>> chip=GL842) at libusb:038:002).
>>>>
>>>> Ah, here is the log:
>>>> https://gist.github.com/6875017d99847cd4bfa5613f61216306
>>>>
>>>>
>>>> Gruß,
>>>> Thomas.S
>>>> (aka schmo-fu)
>>>>
>>>> Am 27.07.17 um 14:51 schrieb Yurii Kolesnykov:
>>>>> Hi, Olaf, Thomas!
>>>>>
>>>>> Having another round through the info in the various links you and
>> Yurii
>>>>>> provided I noticed
>>>>>>
>>>>>>  checking for pkg-config... no
>>>>>>
>>>>>> Is homebrew using pkgconfig instead?  If so, I'd suggest adding
>>>>>> something like
>>>>>>
>>>>>>  system "ln", "-s", "pkg-config", "/usr/bin/pkgconfig"
>>>>>>
>>>>> No need to do this, in brew this may be addressed by adding `depends_on
>>>>> "pkg-config"`
>>>>>
>>>>> *before* running configure to sane-backends.rb.  Adjust /usr/bin as
>>>>>> necessary.  While at it, also drop the
>>>>>>
>>>>>>  depends_on "libusb-compat"
>>>>>>
>>>>>> or replace it with something like
>>>>>>
>>>>>>  depends_on "libusb-1.0"
>>>>>>
>>>>>> at least, do yourself a favour and build against libusb-1.0.
>>>>>>
>>>>> Thomas, please try putting just `libusb` here, we have such formula:
>>>>>
>> https://github.com/Homebrew/homebrew-core/blob/master/Formula/libusb.rb
>>>>>
>>>>> This formula Olaf?
>>>>>
>>>>
>>>> --
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>>>
>>>
>>
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