t/gettext-macros.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2024 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Try to find the gettext '.m4' files and make them easily accessed
  18 # to the test cases requiring them.
  19 # See also automake bug#9807.
  20
  21 . test-init.sh
  22
  23 extract_program_version ()
  24 {
  25   "$1" --version | sed 1q | $PERL -ne '/(\d(?:\.\d+)+)/ and print "$1\n"'
  26 }
  27
  28 echo "# Automatically generated by $me." > get.sh
  29 echo : >> get.sh
  30
  31 # The 'autopoint' script will look into Makefile.am.
  32 echo ACLOCAL_AMFLAGS = -I m4 > Makefile.am
  33
  34 # Prefer autopoint to gettextize, since the latter unconditionally
  35 # requires user interaction to complete; yes, this means confirmation
  36 # from /dev/tty (!) -- see:
  37 #  <https://lists.gnu.org/archive/html/bug-gettext/2011-12/msg00000.html>
  38
  39 # We will need to specify the correct autopoint version in the
  40 # AM_GNU_GETTEXT_VERSION call in configure.ac if we want autopoint to
  41 # setup the correct infrastructure -- in particular, for what concerns
  42 # us, to bring in all the required .m4 files.
  43 autopoint_version=$(extract_program_version autopoint) \
  44   && test -n "$autopoint_version" \
  45   || autopoint_version=0.10.35
  46
  47 cat > configure.ac <<END
  48 AC_INIT([foo], [1.0])
  49 AC_PROG_CC
  50 # Both required by autopoint.  Newer gettext (0.20+) requires external.
  51 AM_GNU_GETTEXT([external])
  52 AM_GNU_GETTEXT_VERSION([$autopoint_version])
  53 END
  54
  55 if autopoint --force && test -f m4/gettext.m4; then
  56   echo "ACLOCAL_PATH='$(pwd)/m4':\$ACLOCAL_PATH" >> get.sh
  57   echo "export ACLOCAL_PATH" >> get.sh
  58 else
  59   # Older versions of gettext might not have an autopoint program
  60   # available, but this doesn't mean the user hasn't made the gettext
  61   # macros available, e.g., by properly setting ACLOCAL_PATH.
  62   rm -rf m4
  63   mkdir m4
  64   # See below for an explanation about the use the of '-Wno-syntax'.
  65   if $ACLOCAL -Wno-syntax -I m4 --install && test -f m4/gettext.m4; then
  66     : # Gettext macros already accessible by default.
  67   else
  68     echo "skip_all_ \"couldn't find or get gettext macros\"" >> get.sh
  69   fi
  70 fi
  71
  72 cat >> get.sh <<'END'
  73 # Even recent versions of gettext used the now-obsolete 'AM_PROG_MKDIR_P'
  74 # m4 macro.  So we need the following to avoid spurious errors.
  75 ACLOCAL="$ACLOCAL -Wno-obsolete"
  76 AUTOMAKE="$AUTOMAKE -Wno-obsolete"
  77 END
  78
  79 . ./get.sh
  80
  81 $ACLOCAL --force -I m4 || cat >> get.sh <<'END'
  82 # We need to use '-Wno-syntax', since we do not want our test suite
  83 # to fail merely because some third-party '.m4' file is underquoted.
  84 ACLOCAL="$ACLOCAL -Wno-syntax"
  85 END
  86
  87 # Remove any Makefile.in possibly created by autopoint, to avoid spurious
  88 # maintainer-check failures.
  89 rm -f $(find . -name Makefile.in)
  90
  91 # The file autopoint might have copied in the 'm4' subdirectory of the
  92 # test directory are going to be needed by other tests, so we must not
  93 # remove the test directory.
  94 keep_testdirs=yes
  95
  96 :