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plans: update w.r.t. latest changes

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Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
This commit is contained in:
Stefano Lattarini 2013-01-12 18:42:43 +01:00
parent 0dee02df98
commit 5930321301
2 changed files with 20 additions and 21 deletions
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37
PLANS/subdir-objects.txt
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@ -24,33 +24,28 @@ Alas, since this also means changing the default behaviour of Automake
('subdir-objects' is not enabled by default, sadly), this means the
transition path will be less smooth than I'd like.
For automake 1.13.2 (ASAP)
--------------------------
DONE for automake 1.13.2
------------------------
Fix the bug spotted by Nick Bowler:
The bug spotted by Nick Bowler:
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378#35>
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378#44>
and exposed in test case 't/ccnoco4.sh': currently, Automake-generated
C compilation rules mistakenly pass the "-c -o" options combination
unconditionally (even to losing compiler) when the 'subdir-objects' is
used but sources are only present in the top-level directory.
and exposed in test case 't/ccnoco4.sh' has been fixed (see commit
v1.13.1-56-g34001a9). The bug was due to the fact that Automake-generated
C compilation rules mistakenly passed the "-c -o" options combination
unconditionally (even to losing compiler) when the 'subdir-objects' was
used but sources were only present in the top-level directory.
For automake 1.13.2 (with more ease)
------------------------------------
TODO for automake 1.13.2
------------------------
Give a warning in the category 'unsupported' if the 'subdir-objects'
option is not specified. This should give the users enough forewarning
about the planned change, and give them time to update their packages
to the new semantic.
This warning, when there are C sources in subdirs, should also mention the
need to use AM_PROG_CC_C_O in configure.ac (thanks to Peter Breitenlohner
for suggesting this). This is not strictly required, but will make
things a little simpler for the users, by giving a more complete feedback:
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378#29>
Be sure to avoid the warning when it would be irrelevant, i.e., if all
source files sit in "current" directory (thanks to Peter Johansson for
suggesting this).
@ -58,10 +53,14 @@ suggesting this).
For automake 1.14
-----------------
Flip the 'subdir-object' option on by default. At the same time,
drop support for the "old" behaviour of having object files derived
from sources in a subdirectory being placed in the current directory
rather than in that same subdirectory.
Remove the copy & paste of Autoconf internals in our AC_PROG_CC rewrite
See the first patch in the series:
<http://lists.gnu.org/archive/html/automake-patches/2013-01/msg00102.html>
Make the behaviour once activated by the 'subdir-object' option mandatory.
With that change, we'll drop support for the "old" behaviour of having
object files derived from sources in a subdirectory being placed in the
current directory rather than in that same subdirectory.
Still keep the 'subdir-object' option supported (as a simple no-op
now), to save useless churn in our user's build systems.

4
PLANS/texi/warnings-for-automake-ng-compatibility.txt
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@ -1,5 +1,5 @@
For automake 1.13.2:
--------------------
Done in automake 1.13.2:
------------------------
I have discouraged the use of '.txi' and '.texinfo' suffixes for
Texinfo inputs (see commit 'v1.13.1-6-ge1ed314') and the generation