R. Diez wrote:
Hi all:
I am new to RTEMS. I am building the git head version on Ubuntu 12.04. I have
written my own script to download, build and install prerequisites autoconf
2.69 and automake 1.14.
I have ...
$ ~/development/rtems/4.11/bin/automake --version
automake (GNU automake) 1.12.6
What happens if you try this version ?
Chris
When I run the 'bootstrap' script, it takes a long time and I get loads of
warnings:
./testsuites/sptests
sp27a/Makefile.am:3: warning: source file '../sp27/init.c' is in a subdirectory,
sp27a/Makefile.am:3: but option 'subdir-objects' is disabled
automake: warning: possible forward-incompatibility.
automake: At least a source file is in a subdirectory, but the 'subdir-objects'
automake: automake option hasn't been enabled. For now, the corresponding
output
automake: object file(s) will be placed in the top-level directory. However,
automake: this behaviour will change in future Automake versions: they will
automake: unconditionally cause object files to be placed in the same
subdirectory
automake: of the corresponding sources.
automake: You are advised to start using 'subdir-objects' option throughout your
automake: project, to avoid future incompatibilities.
sp53/Makefile.am:3: warning: source file '../sp52/init.c' is in a subdirectory,
sp53/Makefile.am:3: but option 'subdir-objects' is disabled
sp66/Makefile.am:3: warning: source file '../sp65/init.c' is in a subdirectory,
...
ada_user/Makefile.am: warning: Oops!
ada_user/Makefile.am: It appears this file (or files included by it) are
triggering
ada_user/Makefile.am: an undocumented, soon-to-be-removed automake hack.
ada_user/Makefile.am: Future automake versions will no longer place in the
builddir
ada_user/Makefile.am: (rather than in the srcdir) the generated '.info'
files that
ada_user/Makefile.am: appear to be cleaned, by e.g. being listed in
CLEANFILES or
ada_user/Makefile.am: DISTCLEANFILES.
ada_user/Makefile.am: If you want your '.info' files to be placed in the
builddir
ada_user/Makefile.am: rather than in the srcdir, you have to use the shiny
new
ada_user/Makefile.am: 'info-in-builddir' automake option.
...
Those warnings are repeated many times during the bootstrap phase.
In the end, the 'bootstrap' script finishes without errors and RTEMS builds
fine.
Is there any way to get rid of those warnings? Is there a reason why the
bootstrap phase takes so long?
Unfortunately, my autotools knowledge is rather limited. I could try the latest
released version of RTEMS, but I think support for ARM Cortex-M3 processors was
not there yet, was it?
Thanks,
rdiez
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