<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/3.26.0"> </HEAD> <BODY> On Fri, 2011-03-25 at 12:41 +0000, Jon TURNEY wrote: <BLOCKQUOTE TYPE=CITE> <TT>I'm not sure what other common linker flags might ever be used, but as</TT> <TT>requested:</TT> </BLOCKQUOTE> If you grep the xorg libraries, there are no other flag. So this is over-kill. <BLOCKQUOTE TYPE=CITE> <TT>A series of patches for the split xcb-util repositories adding a variable</TT> <TT>XCB_UTIL_COMMON_LDFLAGS to xcb_util_common.m4, and using that in all xcb-util</TT> <TT>library Makefiles.  Set XCB_UTIL_COMMON_LDFLAGS to '-no-undefined'.</TT> </BLOCKQUOTE> These patches only compile on your workstation. They do not contain the change in the m4 submodule to point to the new commit in common-m4. The current commit number can be seen here: <A HREF="http://cgit.freedesktop.org/xcb/util/tree/?repo=m4&page=commit&id=177e4afb9b57a7b7589c15d8a9bd85b4a5524128">http://cgit.freedesktop.org/xcb/util/tree/?repo=m4&page=commit&id=177e4afb9b57a7b7589c15d8a9bd85b4a5524128</A> Don't worry about the "invalid commit reference". Each of the containing repo  must have "m4" to be updated to pint at the commit provided by the common-m4 patch. It's best to test it in  a separate directory starting clean. There is some benefit in being consistent with other libraries, when we find a better idiom, we apply it to all libraries. <BLOCKQUOTE TYPE=CITE> <TT>-no-undefined assures libtool that the library has no unresolved</TT> <TT>symbols at link time, so that libtool will build a shared library for</TT> <TT>platforms that require all symbols to be resolved when the library is linked.</TT> </BLOCKQUOTE> </BODY> </HTML>