Date: Fri, 20 Nov 2015 08:27:01 -0800 From: John Baldwin <jhb@freebsd.org> To: Marius Strobl <marius@alchemy.franken.de> Cc: freebsd-arch@freebsd.org Subject: Re: Supporting cross-debugging vmcores in libkvm (Testing needed) Message-ID: <10500589.8oRBRieQhc@ralph.baldwin.cx> In-Reply-To: <20151120015621.GQ31931@alchemy.franken.de> References: <3121152.ujdxFEovO3@ralph.baldwin.cx> <2429833.yYfvNJzKe9@ralph.baldwin.cx> <20151120015621.GQ31931@alchemy.franken.de>
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On Friday, November 20, 2015 02:56:21 AM Marius Strobl wrote: > On Thu, Nov 19, 2015 at 11:16:24AM -0800, John Baldwin wrote: > > On Tuesday, November 17, 2015 11:45:05 PM Marius Strobl wrote: > > > On Mon, Nov 16, 2015 at 04:37:32PM -0800, John Baldwin wrote: > > > > Hmm, it is true that libkvm now depends on libelf. My -j 16 tinderbox > > > > builds did not trip over that, and lib/Makefile has libelf in its > > > > "early" list of libraries (SUBDIR_ORDERED), so it seems like it should > > > > be built before libkvm is tried? > > > > > > Well, I'd agree in principle but also just can say that -j16 builds > > > reliably fail here: > > > --- lib/libkvm__L --- > > > /home/marius/co/build/head3/i386.i386/usr/home/marius/co/head3/src/tmp/usr/bin/ > > > ld: cannot find -lelf > > > cc: error: linker command failed with exit code 1 (use -v to see invocation) > > > *** [libkvm.so.6] Error code 1 > > > > I found this. There are three(!) places I've had to annotate the libkvm now > > depends on libelf though it seems only one of them is actually used by > > buildworld (and that was the one I had missed). > > > > Does this mean that the .WAITs in SUBDIR_ORDERED of lib/Makefile > don't have the desired effect? I see other build failures which > suggest that other .WAITs in tree just don't work as expected. > Usually I only hit these with -j128 or higher, though. They work if you do 'make' in lib. But buildworld does 'make libraries' and then later does 'make' in lib, and the 'make libraries' step uses a separate set of variables (_prereq_libs, _startup_libs, etc.) defined in Makefile.inc1 to set the order of 'make libraries'. :-( -- John Baldwin
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