Hi Thibaut, On Sun, May 20, 2007 at 11:18:34PM +0200, Thibaut VARENE wrote: > Nobody reacted to this email. What's your opinion on this? Is this an > acceptable fix for Debian?
Sure, it seems like a reasonable fix to me under the circumstances. Cheers, -- Steve Langasek Give me a lever long enough and a Free OS Debian Developer to set it on, and I can move the world. [EMAIL PROTECTED] http://www.debian.org/ > On 3/8/07, Ian Goldberg <[EMAIL PROTECTED]> wrote: > >I figured out how to do this on Linux. I have no idea how to do it on > >other systems, or how to get libtool to do this on its own (possibly not > >possible). > > > >The problem, again: other gaim plugins, such as Jabber or ldap, use > >libgcrypt (often in the guise of TLS). libgcrypt uses global variables, > >and assumes that it will only have one caller per address space. The > >various plugins initialize libgcrypt's global variables, and stomp all > >over each other's (and gaim-otr's) initializations. Badness ensues. > > > >The "right" solution is for libgcrypt to stop using global variables, > >and to pass handles around. Back-compatibility can be easily arranged > >by having the current routines do something like: > > > >gcry_foo(int bar, char *baz) > >{ > > gcry_foo_r(&global_handle, bar, baz); > >} > > > >but callers "in the know" could call gcry_foo_r directly with a private > >handle. > > > >But until that happens, here's a workaround for gaim-otr to link > >libgcrypt statically. It's actually pretty tricky, since it seems calls > >from one .o to another in a .so file are always looked up dynamically, > >so if another copy of libgcrypt exists in the address space, you'll > >still get that one. So you have to put everything in a single .o, make > >the libgcrypt symbols local, and turn the result into a .so. > > > >Here's Makefile.static (for gaim-otr): > > > >.libs/gaim-otr.so: FORCE > > # Build everything from the standard Makefile > > make > > # Link everything, including libotr and libgcrypt, together into > > # a single .o file > > ld -r .libs/otr-plugin.o .libs/ui.o .libs/dialogs.o > > .libs/gtk-ui.o .libs/gtk-dialog.o /usr/lib/libotr.a > > /usr/lib/libgcrypt.a /usr/lib/libgpg-error.a -o > > .libs/gaim-otr-shared.o > > # Make all the libgcrypt references local to that .o file > > objcopy -w -L '*gcry*' .libs/gaim-otr-shared.o > > .libs/gaim-otr-static.o > > # Turn the .o into a .so > > gcc -shared .libs/gaim-otr-static.o -Wl,-soname -Wl,gaim-otr.so -o > > .libs/gaim-otr.so > > > >FORCE: -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
