GNU bug report logs - #73769
[PATCH] automake: distribute local gnulib directory modules

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From: Michael Pratt <mcpratt <at> pm.me>
To: 73769 <at> debbugs.gnu.org
Cc: Michael Pratt <mcpratt <at> pm.me>
Subject: [bug#73769] [PATCH] automake: distribute local gnulib directory modules
Date: Sat, 12 Oct 2024 10:29:25 +0000

When gnulib-tool or a bootstrap script uses the option --local-dir,
include the "modules" files in a release with DIST_COMMON. Otherwise,
these source files are present in checkouts but not in distribution.

The resulting gnulib.mk from gnulib-tool has comments
with the options used to generate it:

  # Generated by gnulib-tool.
  # Reproduce by:
  # gnulib-tool --import --local-dir=gl \
  # ...

Regex match and parse this information to get any local directories.

For example, coreutils uses a local gnulib directory "gl"
so am__DIST_COMMON will include "$(top_srcdir)/gl/modules".

* bin/automake.in (read_am_file): push "modules" subdirectory of
  local gnulib directories to dist_common if it exists.

Signed-off-by: Michael Pratt <mcpratt <at> pm.me>
---
 bin/automake.in | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/bin/automake.in b/bin/automake.in
index a17f45236..b757a78e4 100644
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -6520,6 +6520,16 @@ sub read_am_file
 	}
 	elsif (/$COMMENT_PATTERN/o)
 	{
+	    # Distribute local gnulib modules.
+	    if ($amfile =~ /\/gnulib\.mk/o)
+	    {
+		if ($_ =~ /--local-dir=([^\\\s]*)/o)
+		{
+		    push_dist_common ("\$\(top_srcdir\)/$1/modules")
+		      if -d "$1/modules";
+		}
+	    }
+
 	    # Stick comments before the incoming macro or rule.  Make
 	    # sure a blank line precedes the first block of comments.
 	    $spacing = "\n" unless $blank;
-- 
2.30.2

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