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Re: split bootstrap in two phases, GNU libidn

From: Bruno Haible
Subject: Re: split bootstrap in two phases, GNU libidn
Date: Sun, 24 Jul 2022 20:32:16 +0200

Hi dear GNU libidn developers (Simon et al.),

The 'bootstrap' script from Gnulib has been reorganized to work in two phases:
  (1) Fetch auxiliary files that are not in the git checkout.
      This is the part that requires network access and that has
      supply-chain concerns.
  (2) Generate files such as configure, config.h, etc.
      This includes running gnulib-tool.

See <> for

For GNU libidn some adjustment of the bootstrap.conf is needed. The 
is meant to contain configuration settings, that is, define variables and
functions (hooks with special meanings). Instead, libidn/bootstrap.conf does 
actions directly. This will not work satisfactorily with the new two-phase
bootstrap. What is needed, is to move these actions into hooks:
  - Actions that may require network access belong in the
    bootstrap_post_pull_hook function.
  - Actions that merely regenerate files (without network access) usually
    belong in the bootstrap_post_import_hook.

Namely, these statements

printf "gdoc_MANS =\ngdoc_TEXINFOS =\n" > doc/Makefile.gdoc


GTKDOCIZE=$(which gtkdocize 2>/dev/null)
if test $? -ne 0; then
  echo "No gtk-doc support found. You can't build the docs."
  # rm because gtk-doc.make might be a link to a protected file
  rm -f gtk-doc.make 2>/dev/null
  echo "EXTRA_DIST =" >gtk-doc.make
  echo "CLEANFILES =" >>gtk-doc.make
  mkdir -p lib/m4

belong in the bootstrap_post_import_hook.

These adjustments will be needed the next time you use the '--bootstrap-sync'


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