On 7.12.2017 7:02, Bruce Dubbs wrote:
I've been looking at removing .la (libtool archive) files from LFS/BLFS.
There are a lot of them, but there are also a lot of variances among
distros.
LFS/BLFS 1653
Fedora26 8
Devuan 107
Mint 311
Ubuntu 230
Slackware 1676
SuSE 133
Arch 0
Debian 232
Of course there are a lot of variables in the above. Most of the
distros are the default install and do not have packages like xyz-devel
installed.
The problem for BLFS is that many packages today are moving away from
autotools to meson/ninja or cmake/make. We recently updated glib and
that now uses meson and does not create any .la files. The problem is
that a lot of other .la files say to look for files like
libgobject-2.0.la from glib and if that is missing, the package build
fails.
We can (and have) written scripts to fix the problem, but that just
works around it issue and does not fix it.
What would be ideal would be to just remove all the .la files (and fix
at least one .pc file (serf) that references two .la files). An example
of the change is to update /usr/lib/libaprutil-1.la to -laprutil-1.
These .la files are generally only used at build time and are unneeded
for that purpose on linux. However, from what I can tell, there are
occasional uses of .la files at run time. The problem is that I cannot
reliably determine which .la files are needed for that.
Does anyone here have any insight about how to determine what .la files
NOT to remove?
-- Bruce
I think without much guessing and testing, the safest way to accomplish
removing *.la files is to just remove them from compiler search paths
(/lib, /usr/lib, /usr/local/lib), and leave them in their subdirectories.
For now, I only know of ImageMagick and libgphoto2 that won't work if
*.la files in /usr/lib/ImageMagick*/ and /usr/lib/libgphoto2*/ are
removed, but you can remove ones that they install in /usr/lib just fine.
I also saw that Ken mentioned mpg123, but there's a configure switch
which can be used to tell it to use plain ol' .so files.
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