Date: Thu, 27 Jun 2013 13:06:07 +0200 From: Dimitry Andric <dimitry@andric.com> To: Kevin Day <toasty@dragondata.com>, "freebsd-hackers@freebsd.org Hackers" <freebsd-hackers@freebsd.org> Cc: Andrew Turner <andrew@fubar.geek.nz> Subject: Re: Can't use gcc in a clang built world Message-ID: <51CC1C9F.7080403@andric.com> In-Reply-To: <DB5E076C-7DF1-47CD-977C-F36F7B1B1A08@dragondata.com> References: <DB5E076C-7DF1-47CD-977C-F36F7B1B1A08@dragondata.com>
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On 2013-06-27 02:02, Kevin Day wrote: > Are you supposed to be able to use gcc to build userland binaries if you built world with clang? > > I'm on -CURRENT as of a few days ago (using armv6 but i'm not sure if that matters). Yes, the arch matters a lot. For arm, adding __clear_cache() to libgcc was explicitly disabled by Andrew here: http://svnweb.freebsd.org/base?view=revision&revision=244382 "Don't provide clear_cache or the __sync_* functions on ARM with clang as they are provided by clang as builtin functions." Maybe those functions should be in libgcc after all, if other programs depend on this. -Dimitry
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