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<corsepiu@faw.uni-ulm.de>.
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-- configure now fails to detect the toolchain for linux-posix.
As work-around, I have reverted to the old behavior of RTEMS_TARGET_CPU_NAME,
thus no_cpu/no_bsp will fail badly in configure again.
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> When I run my script that just repeatedly builds different targets, some
> of them die with an error like this:
>
> Making all RTEMS_BSP=gen68360 in cpugmake[5]: Entering directory
> `/usr1/rtems/build/build-m68k-rtems/c/src/exec/score/cpu'
> Making all RTEMS_BSP=gen68360 in @RTEMS_CPU@
> /bin/sh: @RTEMS_CPU@: No such file or directory
> gmake[5]: *** [all] Error 1
> gmake[5]: Leaving directory
> `/usr1/rtems/build/build-m68k-rtems/c/src/exec/score/cpu'
>
> It is not always the same variable substitution that fails. Sometimes it
> is @INSTALL@. But reliably, it is a variable substitution that is
> failing.
>
> Do you have any idea why this happens?
Yep, I think I know what's going on.
AC_SUBST(RTEMS_CPU) is missing in configure.ins, thus @RTEMS_CPU@ in
target.cfg.in doesn't get substituted correctly, causing the bug above. Due
to the redundancy of RTEMS_CPU, other most BSPs don't seem to be affected.
Other similar problems probably exist for the unix/posix bsp and the hppa.1
cpu, because their */tools/*Makefile.ams require RTEMS_CPU, too.
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This patch should fix the nastiest configuration bugs for no_cpu/no_bsp.
With this patch applied, configure --target=no_cpu-rtems now correctly
acknowledges its configuration, but later fails building when trying to
build libcsupport (I leave this problem for you :-).
Fixes/Changes:
* aclocal/canonicalize-target-name.m4: use RTEMS_CPU instead of
target_cpu, switch to a native compiler setup if target = no_cpu*rtems,
ie. implicitly use host=target (native) and RTEMS_CPU=no_cpu for
--target=no_cpu*rtems.
* add no_bsp/bsp_specs (Support -qrtems, -qrtems_debug; please check
before adding :-)
* Use RTEMS_CANONICALIZE_TARGET_CPU instead of AC_CANONICAL_SYSTEM in
toplevel/configure.in
* All references to $target_cpu in aclocal/*.m4, Makefile.ins and *.cfg
files changed to RTEMS_CPU
* bug fixes to exec/score/cpu/no_cpu/wrap (This part of the patch may
result into patch rejections, because your recently posted patch may
also have addressed this problem).
After applying this patch, please do:
cvs add c/src/lib/libbsp/no_cpu/no_bsp/bsp_specs
./autogen
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This patch addresses a few minor issues and contains a few (minor)
preparations for automake.
* configure.in: Fix for handing c/src/tests subdirectory handling (FIX)
* aclocal/rtems-top.m4:
+ Add TARGET_SUBDIR and --with-target-subdir (preparation of future
enhancements for cross-compiling)
+ Activate RTEMS_ROOT handling (automake preparation)
* automake/*.am: replace comments "#" with "##" so that comments won't
get included into Makefile.in's anymore
* c/update-tools/* automake support (NEW)
* ./autogen update/enhancement (cf. ./autogen for details)
After applying this patch please run:
./autogen
cvs add c/update-tools/configure.in
cvs add c/update-tools/Makefile.am
cvs add c/update-tools/aclocal.m4
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Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
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description follows:
Description:
* automake for *all* tool subdirectories (Makefile.am, configure.in etc.)
* autogen now also considers CONFIG_HEADER (generates stamp-h.ins and
config.h.ins)
* c/src/tests/tools/generic/difftest and
c/src/tests/tools/generic/sorttimes generated by configure scripts
* c/update-tools/ampolish, beautifier for Makefile.ams, similar to
acpolish
* rtems-polish.sh added to c/update-tools/ + ampolish support
* New subdirectory ./automake, contains automake -Makefile fragments to
support RTEMS make "debug, debug_install, profile, profile_install" for
native Makefile.ams (== ignore these make targets).
* aclocal/rtems-top.m4's RTEMS_TOP now reads the automake makefile
variable VERSION from RTEMS ./VERSION file.
* ./configure.in uses the macros from aclocal + support for the tools'
configure scripts
Remarks:
* To run rtems-polish.sh, "cd <rtems-source-tree>;
./c/update-tools/rtems-polish.sh"
* AFAIS, now all native subdirectories are converted to automake (Please
drop me a note, if I forgot something).
* Unless you notice something fatal, IMO the time has come for a public
try (== snapshot). I do not intend to send more automake related patches
within, say 2 weeks, to give these patches time to settle and to give me
some time to think on how to continue.
* The patch assumes installation to the new main installation directory
[$(prefix)].
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This is the first real automake patch.
It adds automake support to c/build-tools and cleans up a few minor
issues.
I consider this to be a testing probe to examine problems with automake.
Therefore, this patch is just a more or less harmless replacement of the
former RTEMS Makefiles and I expect it not last for long. If you want to
give automake Makefiles a public try and if you want/need to learn about
problems with it, then it's about time for a new snapshot, IMO. I may
have screwed up something not directly related to automake, but I expect
very few (none to be precise) problems with automake. However, somebody
should at least try building on Cygwin. If you feel a bit more
adventureous, then I also can continue to submit more patches.
[FYI: I still have a couple of automake files laying around, but they
need some cleanup before being submitted as patches. Now, that I am just
into it, I'll perhaps submit another one tonight :-]
After applying this patch (patch -p1 -E <
<path-to>/rtems-rc-19990318-0), first run the "autogen" script from the
toplevel source directory, before committing to CVS. Be careful about
dependencies between Makefile.am and Makefile.ins when cutting tarballs
from CVS. Makefile.ins are required to be newer than Makefile.ams,
otherwise users would need to have automake, autoconf and perl. Some
people recommend to "touch" all Makefile.in after checkout from cvs (cf.
egcs/contrib/egcs_update).
ATTENTION:
* This patch adds a number of new files.
* remove aclocal/exeext.m4 and aclocal/cygwin.m4 from CVS, They are now
covered by autoconf-2.13`s AC_EXEEXT.
Some features/side-effects which are probably interesting for you:
In a configured build-tree "cd c/build-tools", then try
* "make RTEMS_BSP=<bsp> install"
* "make RTEMS_BSP=<bsp> dist"
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