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bug#7441: [PATCH] {elisp-work} news: document all the recent elisp-relat
From: |
Stefano Lattarini |
Subject: |
bug#7441: [PATCH] {elisp-work} news: document all the recent elisp-related changes and improvements |
Date: |
Sat, 4 Aug 2012 16:00:42 +0200 |
* NEWS (Elisp byte-compilation): Here. Also notice that the recent
changes have fixed the long-standing (almost two years old!) automake
bug#7441.
Signed-off-by: Stefano Lattarini <address@hidden>
---
With this patch, I believe the recent work on Elisp support is mature
enough for inclusion in master. I will proceed to the merge soon enough.
If you have doubts or objections, speak up soon!
Thanks,
Stefano
NEWS | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/NEWS b/NEWS
index d2fc46d..5884e78 100644
--- a/NEWS
+++ b/NEWS
@@ -44,6 +44,30 @@ New in 1.13:
- All the "old alias" macros in 'm4/obsolete.m4' have been removed.
+* Elisp byte-compilation:
+
+ - The byte compilation of '.el' files into '.elc' files is now done
+ with a suffix rule. This has simplified the compilation process, and
+ more importantly made it less brittle. The downside is that emacs is
+ now invoked once for each '.el' files, which cause some noticeable
+ slowdowns. These should however be mitigated on multicore machines
+ (which are becoming the norm today) if concurrent make ("make -j")
+ is used.
+
+ - Elisp files placed in a subdirectory are now byte-compiled to '.elc'
+ files in the same subdirectory; for example, byte-compiling of file
+ 'sub/foo.el' file will result in 'sub/foo.elc' rather than in
+ 'foo.elc'. This behaviour is backward-incompatible with older
+ Automake versions, but it is more natural and more sane. See also
+ automake bug#7441.
+
+ - The Emacs invocation performing byte-compilation of '.el' files honors
+ the $(AM_ELCFLAGS) and $(ELCFLAGS) variables; as typical, the former
+ one is developer-reserved and the latter one user-reserved.
+
+ - The 'elisp-comp' script, once provided by Automake, has been rendered
+ obsoleted by the just-described changes, and thus removed.
+
* Changes to Automake-generated testsuite harnesses:
- The parallel testsuite harness (previously only enabled by the
--
1.7.12.rc0
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