CVS log for pkgsrc/devel/gettext-asprintf/buildlink3.mk

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Default branch: MAIN

Fix indentation in buildlink3.mk files.

The actual fix as been done by "pkglint -F */*/buildlink3.mk", and was
reviewed manually.

There are some .include lines that still are indented with zero spaces
although the surrounding .if is indented. This is existing practice.

Changes 0.18.1:
* msggrep: A '$' anchor in a regular expression now also matches the end of
  the string, even if it does not end in a newline.
* Dependencies:
  The libraries and programs are now linked with libunistring if this library
  is already installed.
* Installation options:
  The configure option --with-cvs is deprecated. The 'autopoint' program will
  now use the 'git' program by default to compress its archive. If the
  configure option --without-git is specified, 'autopoint' will not rely on
  'git', but will instead rely on a locally installed a 3 MB large archive.

Changes 0.18:
* Runtime behaviour:
  - On MacOS X and Windows systems, <libintl.h> now extends setlocale() and
    newlocale() so that their determination of the default locale considers
    the choice the user has made in the system control panels.
  - On MacOS X systems, the gettext()/dgettext()/... functions now respect the
    locale of the current thread, if a thread-specific locale has been set.
* PO file format:
  There is a new field 'Language' in the header entry.  It denotes the language
  code (plus optional country code) for the PO file.  This field can be used
  by automated tools, such as spell checkers.  It is expected to be more
  reliable than looking at the file name or at the 'Language-Team' field in
  the header entry.
  msgmerge, msgcat, msgen have a new option --lang that allows to specify
  this field.  Additionally, msgmerge fills in this new field by looking at
  the 'Language-Team' field (if the --lang option is not given).
* xgettext and PO file format:
  For messages with plural forms, programmers can inform the translators
  about the range of possible values of the numeric argument, like this:
    /* xgettext: range: 0..15 */
  This information 'range: 0..15' is stored in the PO file as a flag attached
  to the message.  Translators can produce better translations when they know
  that the numeric argument is small.
* Colorized PO files:
  msgattrib, msgcomm, msgconv, msgen, msgfilter, msggrep, msginit, msgmerge,
  msgunfmt, msguniq, xgettext now have options --color and --style, like msgcat
  has since version 0.17.
* msgmerge is up to 10 times faster when the PO and POT files are large.
  This speedup was contributed by Ralf Wildenhues.
* msgcmp has a new option -N/--no-fuzzy-matching, like msgmerge has since
  version 0.12.
* msgfilter now sets environment variables during the invocation of the
  filter, indicating the msgid and location of the messge being processed.
* xgettext now can extract plural forms from Qt 4 programs. The recommended
  xgettext command-line options for this case are:
    --qt --keyword=tr:1,1t --keyword=tr:1,2c,2t --keyword=tr:1,1,2c,3t
* xgettext --language=GCC-source now recognizes also the format strings
  used in the Fortran front-end of the GCC compiler, and marks them as
  'gfc-internal-format'.
* autopoint can now be used to update several PO directories all together.

Simply and speed up buildlink3.mk files and processing.
This changes the buildlink3.mk files to use an include guard for the
recursive include. The use of BUILDLINK_DEPTH, BUILDLINK_DEPENDS,
BUILDLINK_PACKAGES and BUILDLINK_ORDER is handled by a single new
variable BUILDLINK_TREE. Each buildlink3.mk file adds a pair of
enter/exit marker, which can be used to reconstruct the tree and
to determine first level includes. Avoiding := for large variables
(BUILDLINK_ORDER) speeds up parse time as += has linear complexity.
The include guard reduces system time by avoiding reading files over and
over again. For complex packages this reduces both %user and %sys time to
half of the former time.

Change the format of BUILDLINK_ORDER to contain depth information as well,
and add a new helper target and script, "show-buildlink3", that outputs
a listing of the buildlink3.mk files included as well as the depth at
which they are included.

For example, "make show-buildlink3" in fonts/Xft2 displays:

	zlib
	fontconfig
	    iconv
	    zlib
	    freetype2
	    expat
	freetype2
	Xrender
	    renderproto

Track information in a new variable BUILDLINK_ORDER that informs us
of the order in which buildlink3.mk files are (recursively) included
by a package Makefile.

Over 1200 files touched but no revisions bumped :)

RECOMMENDED is removed. It becomes ABI_DEPENDS.

BUILDLINK_RECOMMENDED.foo becomes BUILDLINK_ABI_DEPENDS.foo.

BUILDLINK_DEPENDS.foo becomes BUILDLINK_API_DEPENDS.foo.

BUILDLINK_DEPENDS does not change.

IGNORE_RECOMMENDED (which defaulted to "no") becomes USE_ABI_DEPENDS
which defaults to "yes".

Added to obsolete.mk checking for IGNORE_RECOMMENDED.

I did not manually go through and fix any aesthetic tab/spacing issues.

I have tested the above patch on DragonFly building and packaging
subversion and pkglint and their many dependencies.

I have also tested USE_ABI_DEPENDS=no on my NetBSD workstation (where I
have used IGNORE_RECOMMENDED for a long time). I have been an active user
of IGNORE_RECOMMENDED since it was available.

As suggested, I removed the documentation sentences suggesting bumping for
"security" issues.

As discussed on tech-pkg.

I will commit to revbump, pkglint, pkg_install, createbuildlink separately.

Note that if you use wip, it will fail!  I will commit to pkgsrc-wip
later (within day).

Add a b3.mk for the sake of other packages.