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Subject: [Bug c/47781] warnings from custom printf format specifiers
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D47781

Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez <manu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |manu at gcc dot gnu.org

--- Comment #1 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez <manu at gcc dot gnu=
.org> 2011-02-17 11:57:54 UTC ---
Which project is this?

I think a patch that adds -Wno-format-unknown-specifier would be accepted if
properly submitted:

http://gcc.gnu.org/contribute.html

See how the other Wformat-* options are defined in gcc/c-family/c.opt. Then,
grep for unknown conversion type character, and just change OPT_Wformat in =
the
warning call. You'll have to add new testcases and adjust existing ones.