Date: Thu, 8 Nov 2018 22:31:52 +0100 From: Joerg Sonnenberger <joerg@bec.de> To: freebsd-hackers@freebsd.org Subject: Re: help with dl module and clang Message-ID: <20181108213152.GA22982@britannica.bec.de> In-Reply-To: <E3B4CDF3-2DE9-4785-963C-9158105C263E@FreeBSD.org> References: <4B8101F4-9A89-4486-8DF3-93DC799EF6D4@cs.huji.ac.il> <E3B4CDF3-2DE9-4785-963C-9158105C263E@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Nov 03, 2018 at 04:47:37PM +0100, Dimitry Andric wrote: > On 3 Nov 2018, at 15:51, Daniel Braniss <danny@cs.huji.ac.il> wrote: > > > > I have a program that loads some modules via dlopen(), these modules call some routines > > which are in the main program, this works when using gcc, but with cc it does not. > > > > when compiling the main program I use -export-dynamic, and the modules link fine when compiled with > > gcc, but when compiling with clang/cc i get dlerror: ...Undefined symbol … > > BTW, when linking the main program with cc I get > > /usr/bin/ld: warning: cannot find entry symbol xport-dynamic; defaulting to 0000000000402140 > > Instead of using -export-dynamic (which is a linker flag) as a flag to > cc, try using -Wl,-export-dynamic instead. Now, the linker interprets > this as the -e flag, which is something totally different. Or cc -rdynamic. Joerg
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20181108213152.GA22982>