elisp `labels'

[bpt/guile.git] / HACKING

diff --git a/HACKING b/HACKING
index f6d5185..82839a5 100644 (file)
--- a/HACKING
+++ b/HACKING
@@ -59,8 +59,9 @@ Automake --- a system for automatically generating Makefiles that
 
 libtool --- a system for managing the zillion hairy options needed
        on various systems to produce shared libraries.  Available in
-       "ftp://ftp.gnu.org/pub/gnu/libtool".  Version 1.5.26 (or
-       later) is needed for correct AIX support.
+       "ftp://ftp.gnu.org/pub/gnu/libtool".  Version 2.2 (or
+       later) is recommended (for correct AIX support, and correct
+       interaction with the Gnulib module for using libunistring).
 
 gettext --- a system for rigging a program so that it can output its
         messages in the local tongue.  Guile presently only exports
@@ -88,6 +89,10 @@ have been known to cause problems, and a short description of the problem.
 - autoreconf from autoconf prior to 2.59 will run gettextize, which
   will mess up the Guile tree.
 
+- libtool 1.5.26 does not know that it should remove the -R options
+  that the Gnulib libunistring and havelib modules generate (because
+  gcc doesn't actually support -R).
+
 - (add here.)
 
 
@@ -225,7 +230,7 @@ When deprecating a definition, always follow this procedure:
 
 - Write commit messages for functions written in C using the
 functions' C names, and write entries for functions written in Scheme
-using the functions' Scheme names.  For example, 
+using the functions' Scheme names.  For example,
 
   * foo.c: Moved scm_procedure_documentation from eval.c.
 
@@ -273,6 +278,12 @@ the list of years in the copyright notice at the top of the file.
 - When you get bug reports or patches from people, be sure to list
 them in THANKS.
 
+- Do not introduce trailing whitespace (and feel free to clean it up
+opportunistically, that is, if doing so is part of some other change).
+The goal is to reduce (and over time, eliminate) spurious diffs.
+
+For Emacs users:
+  (add-hook 'before-save-hook 'delete-trailing-whitespace)
 
 Naming conventions =================================================