Date: Mon, 23 Apr 2007 01:54:47 +0400 From: "Andrew Pantyukhin" <infofarmer@FreeBSD.org> To: hackers@freebsd.org Subject: extern "C" and undefined reference Message-ID: <cb5206420704221454v60a957b9qac74dc5f4f4b674a@mail.gmail.com>
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7zip developers converted some code from C++ to C,
while leaving the main stand-alone lzma app in C++.
They use 'extern "C" { }' blocks around #include's
referencing C headers.
Everything compiles fine, but "undefined reference"
errors appear at linkage. The undefined references
are to the C functions included from withing those
'extern "C"' wrappers. I tried to remove the
wrappers from some files and the amount of errors
decreased a bit. Is there a better workaround?
Google came up with two results: remove the wrappers
or use c++ instead of cc. I'm already using c++.
Thanks!
help
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