Date: Sun, 14 Aug 2005 22:30:16 +0200 From: "O. Hartmann" <ohartman@mail.uni-mainz.de> To: freebsd-amd64@freebsd.org Subject: gcc compiler option -m64 Message-ID: <42FFA9D8.7010504@mail.uni-mainz.de>
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Hello. To make ist short: On my box (Athlon64 based machine) I run a FBSD 6.0Beta2 with no 32Bit support and I hope (but do not exactly know) the machine is 64Bit only that way without any 32Bit compatibilty. I see in some compiler hints this undocumented '-m32' or '-m64' option of gcc(1) (undocumented that way as I can not find it in the man pages) . On SPARC64 systems, the system's default gcc compiler implies '-m64'. Is this also true for AMD64 FreeBSD 6.X? My intention is to avoid compiling in some 32Bit libs by accident when compiling some C code for my scientific studies. thanks, Oliver
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