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List:       reiserfs-devel
Subject:    Re: can't compile with reiser4
From:       David Masover <ninja () slaphack ! com>
Date:       2004-04-30 23:15:33
Message-ID: 4092DE15.4010709 () slaphack ! com
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gah!  looks like something got chopped out!  maybe I tapped the trackpad
or something...

what I know I typed before was:

most Gentoo packages (including glibc) on my system now either fail to
install...

| glibc) on my system now either fail to install, continue trying to
| install forever (make caught in an infinite loop), or install but don't
| work later.  My / is reiser4, with separate mountpoints for /boot, /sys,
| /proc, /dev, /dev/pts, and /dev/shm.  So this doesn't make sense...
|
| I think I've figured out one reason it's failing, though:  I've found a
| certain place where if I do something like 'make foo.o', it builds foo.o
| just fine (out of foo.c), but foo.c gets its mtime updated right along
| with foo.o -- making foo.o out of date.  This is not just defeating the
| purpose of 'make' (being able to rebuild a selective portion of a
| program and not the whole thing, based on mtimes) but causes at least
| one program (sudo) to not install properly.
|
| The way that works is that 'make' is called once for the build, with all
| the paths (including --sysconfdir) set to their ultimate destinations in
| /, and then 'make install' is called again, with these paths set to the
| same thing, but inside the install tree -- so instead of /etc, we get
| /var/tmp/portage/sudo-1.6.7/install//etc
| (I may not have those versions or paths right.)
|
| This is fine, because 'make install' is usually just copying files
| around, so we want the files copied to that temporary install directory
| (so we can do an atomic merge).  But because so many .c files are just
| as new as the .o files, so much (if not everything) must be rebuilt
| during 'make install' -- which means sudo becomes hardcoded to look for
| its config file somewhere in /var/tmp.
|
| More details if you want them...
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