Date: Thu, 07 Feb 2002 22:30:47 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Maxim Sobolev <sobomax@FreeBSD.org> Cc: jdp@FreeBSD.org, deischen@FreeBSD.org, jasone@FreeBSD.org, hackers@FreeBSD.org, jlemon@FreeBSD.org Subject: Re: Linking libc before libc_r into application causes weird problems Message-ID: <3C637097.13B8C35A@mindspring.com> References: <1013147180.73417.2.camel@notebook>
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Maxim Sobolev wrote:
> $ cc test.c -o test -lc -lc_r
>
> When either of -lc or -lc_r is omitted, or their order is reversed the
> problem disappears. The problem doesn't exist on 4-STABLE.
>
> Any ideas, comments and suggestions are welcome.
Symbols are resolved from libraries in the order in which
they are specified to the linker.
So the fix is obvious: specify them in the right order.
Linux doesn't see this because libc_r is just there for
the reentrant calls, and their threading uses processes,
instead of a user space ("quantum conservation") scheduler.
-- Terry
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