Dear Sir or Madam:
I was so pleased to received your reply,
I have some questions about using the debugging library?Can you give me
some advice?
?
If I want to debug the sane-backends(e.g. ricoh.c),
Please give me some advice for the following steps(Is there anything
wrong?).
-----------------------------------------
1>CFLAGS="-g" ./configure --disable-shared BACKENDS="ricoh"
2>make
3>make install
4>... ...?How Can I make this step??
-----------------------------------------
?
I'm not sure, If I can get the debug information through the following
steps.
-----------------------------------------
1>CFLAGS="-g" ./configure --disable-shared
2>make
3>make install
"scanimage -L" --Faild to get the debug information.
-----------------------------------------
?
I can't get any sane-backends information by "scanimage -L",
Whether I must have a scanner device connected to My computer through USB
or SCSI ?
Thank you very much, Looking forward to your reply.
Best Regard
Yours Sincerely, Yihao
We have a debugging library which is part of sane-backends. It allows you
to set an environment variable, and which causes the backend to print
messages to STDERR. If your backend is part of sane-backends, you can use
this library. If you backend is outside of sane-backends, you can certainly
setup something similar in your backend. You should not have to recompile
the frontend.
allan
On Thu, Aug 22, 2013 at 6:46 AM, <YiHao at rst.ricoh.com>wrote:
Dear Sir or Madam:
I want to know,
How can I debug the sane-backend by frontend(e.g. scanimage),
How to enter the backend's breakpoint,
Do I need to compile the frontend if I want to know ?whether the backend
receives the Frontend command.
Can you give me some advise, Thank you.
Best Regard
Yours Sincerely, Yihao
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