Hi, I completely understand that I should update but given time constraints, I am using an older version on a board that it works. I will update it eventually.
I managed to backport the library which was 2 revisions ahead. In this version only the bootstrap module uses the minimal lib. I removed some more files from the minimal library (which my modified version does not need) and inspected the build folder. The actual library reduces in size expected. However, I see that the bootstrap.elf executable increases in size. Furthermore, when I use the make elfimage command (e.g., make elfimage E=l4linux), changing the list of files in the uclibc library does not seem to have any effect on the final executable's size (i.e., bootstrap_l4linux.elf). I can confirm that bootstrap builds against the minimal library because not having it there simply cause the build to fail. However, I do not understand why modifying the list of files in the library does not change anything. Thanks in advance, ramya ________________________________________ From: l4-hackers [l4-hackers-boun...@os.inf.tu-dresden.de] on behalf of Björn Döbel [doe...@os.inf.tu-dresden.de] Sent: 16 September 2014 19:15 To: l4-hackers@os.inf.tu-dresden.de Subject: Re: Trimming uclibc in l4 Hi, as Marcus already pointed out, newer versions of L4Re actually contain a package called uclibc_minimal that serves exactly this purpose. Even if you are using an older snapshot, chances are that backporting this package (and adapting l4/mk) might be easier than stripping things down yourself. Bjoern Am 16.09.2014 um 19:02 schrieb Masti Ramya Jayaram: > Update: turns out it is not very simple to compile just bootstrap against a > smaller library because the l4/mk/modes.inc file defaults to the uclibc > library for compiling the files which is used for all packages. Any ideas how > I can change this only for some packages? > > Thanks. > Ramya > ________________________________________ > From: l4-hackers [l4-hackers-boun...@os.inf.tu-dresden.de] on behalf of Masti > Ramya Jayaram [rma...@inf.ethz.ch] > Sent: 16 September 2014 17:53 > To: l4-hackers@os.inf.tu-dresden.de > Subject: Trimming uclibc in l4 > > Dear all, > > I would like to extract the minimal subset of uclibc required by bootstrap, > sigma and their dependencies only. My idea is to have these modules use the > smaller libc while retain the usual uclibc build for the other packages. > > I intend to go about this by copying uclibc (say into uclibc_min) and then > modifying the contrib_files_all.lst and contrib_files_x86.lst. Is this the > correct way to do this? > > Also, I extracted all the package dependencies of bootstrap and sigma from > the control files (below) > > bootstrap: drivers_uart drivers_of libc l4util cxx_io > drivers-frst:libc > l4util: crtn libc > crtn: l4sys > l4sys: ldscripts > l4util: crtn libc > cxx: l4sys l4util > ulibc: l4sys > sigma0: crtn l4sys l4util libsigma0 cxx_io > libsigma0: l4sys > > > Is this the correct way to do this as well? > > Thanks, > Ramya > > > > _______________________________________________ > l4-hackers mailing list > l4-hackers@os.inf.tu-dresden.de > http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers > > _______________________________________________ > l4-hackers mailing list > l4-hackers@os.inf.tu-dresden.de > http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers > _______________________________________________ l4-hackers mailing list l4-hackers@os.inf.tu-dresden.de http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers _______________________________________________ l4-hackers mailing list l4-hackers@os.inf.tu-dresden.de http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers
