Date: Wed, 16 Oct 2019 14:25:29 +0200 From: Jan Behrens <jbe-mlist@magnetkern.de> To: freebsd-questions@freebsd.org Subject: Re: Problems with ld, libc, and "struct stat" Message-ID: <20191016142529.cf8a589e1e9db6d30ea303a4@magnetkern.de> In-Reply-To: <0f1c70a0-c99a-e494-cf63-d214301f24a1@malikania.fr> References: <20191015204400.e33c8f62af711e829288ddae@magnetkern.de> <47c27361-4e74-05d1-3343-e39526730d85@malikania.fr> <20191016131552.6fda34292987e22ae78072cc@magnetkern.de> <0f1c70a0-c99a-e494-cf63-d214301f24a1@malikania.fr>
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On Wed, 16 Oct 2019 13:44:25 +0200 David Demelier <markand@malikania.fr> wrote: > Le 16/10/2019 à 13:15, Jan Behrens a écrit : > > [...] > > When I search the man page for "cc" (clang - the Clang C, C++, and > > Objective-C compiler), I even do not find any "-shared" option at all. > > -shared is a linker option, it's documented in gcc but basically clang > is usually retro-compatible with most of the GCC option. In fact, > -shared is just a shortcut to pass the appropriate shared arguments to > the underlying linker in that case -Bshareable (but may add additional > options as well). > [...] Can I rely on "-shared" being available also in future versions of clang/cc? Or is this a deprecated "gcc compatibility" option? It is listed on llvm.org as command line option: https://releases.llvm.org/6.0.1/tools/clang/docs/ClangCommandLineReference.html#cmdoption-clang-shared But it does not come with any description on that website. Building shared libraries is an important feature, so I'm a bit surprised there is no documentation on on the "cc -shared" invocation (other than GCC's documentation), or maybe I'm just looking at the wrong places? Maybe you or someone else knows where else could I find any documentation on this? Regards Jan
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