Date: Fri, 23 Jun 1995 03:33:32 +1000 From: Bruce Evans <bde@zeta.org.au> To: charnier@lirmm.fr, terry@cs.weber.edu Cc: hackers@freebsd.org Subject: Re: gcc 2.7.0 Message-ID: <199506221733.DAA06679@godzilla.zeta.org.au>
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>BTW. A full rebuild of the 2.7.0 sources on SunOS 4.1.3 (as in their >example in the INSTALL (did *not* result in a .weak complaint). .weak is only used if ASM_WEAKEN_LABEL() is defined. It is only defined in i386/freebsd.h (although FreeBSD doesn't support it), i386/osfrose.h, m88k/m88k.h, netbsd.h and svr4.h. It is to support the __weak attribute (which gives aliased symbols). I think use of this attribute is optional. It can easily be implemented in an unportable way using stabs. libgcc2 uses it if it is available. Bruce
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