t/aclocal-m4-include-are-scanned-aclocal-amflags.sh

   1 #! /bin/sh
   2 # Copyright (C) 2004-2024 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 # Make sure m4_included files are also scanned for definitions.
  18 # Report from Phil Edwards.
  19
  20 . test-init.sh
  21
  22 cat >> configure.ac << 'END'
  23 AM_PROG_LIBTOOL
  24 AC_OUTPUT
  25 END
  26
  27 echo 'm4_include([a.m4])' > acinclude.m4
  28 echo 'm4_include([b.m4])' > a.m4
  29
  30 cat >b.m4 <<EOF
  31 m4_include([c.m4])
  32 AC_DEFUN([AM_PROG_LIBTOOL],
  33 [AC_REQUIRE([SOMETHING])dnl
  34 AC_REQUIRE([SOMETHING_ELSE])dnl
  35 ])
  36
  37 AC_DEFUN([SOMETHING])
  38 EOF
  39
  40 echo 'm4_include([d.m4])' > c.m4
  41 echo 'AC_DEFUN([SOMETHING_ELSE])' >d.m4
  42
  43 mkdir defs
  44 echo 'AC_DEFUN([SOMETHING_ELSE])' >defs/e.m4
  45 echo 'AC_DEFUN([ANOTHER_MACRO])' >defs/f.m4
  46
  47 cat >>Makefile.am<<\EOF
  48 ACLOCAL_AMFLAGS = -I defs
  49 testdist1: distdir
  50         test -f $(distdir)/acinclude.m4
  51         test -f $(distdir)/a.m4
  52         test -f $(distdir)/b.m4
  53         test -f $(distdir)/c.m4
  54         test -f $(distdir)/d.m4
  55         test ! -d $(distdir)/defs
  56 testdist2: distdir
  57         test -f $(distdir)/acinclude.m4
  58         test -f $(distdir)/a.m4
  59         test -f $(distdir)/b.m4
  60         test -f $(distdir)/c.m4
  61         test -f $(distdir)/d.m4
  62         test ! -f $(distdir)/defs/e.m4
  63         test -f $(distdir)/defs/f.m4
  64 EOF
  65
  66 $ACLOCAL -I defs
  67
  68 $FGREP acinclude.m4 aclocal.m4
  69 # None of the following macro should be included.  acinclude.m4
  70 # includes the first four, and the last two are not needed at all.
  71 $FGREP a.m4 aclocal.m4 && exit 1
  72 $FGREP b.m4 aclocal.m4 && exit 1
  73 $FGREP c.m4 aclocal.m4 && exit 1
  74 $FGREP d.m4 aclocal.m4 && exit 1
  75 $FGREP defs/e.m4 aclocal.m4 && exit 1
  76 $FGREP defs/f.m4 aclocal.m4 && exit 1
  77
  78 $AUTOCONF
  79 $AUTOMAKE
  80
  81 ./configure
  82 $MAKE testdist1
  83
  84 cp aclocal.m4 aclocal.old
  85 $sleep
  86 echo 'AC_DEFUN([FOO], [ANOTHER_MACRO])' >> c.m4
  87 $MAKE
  88 # Because c.m4 has changed, aclocal.m4 must have been rebuilt.
  89 is_newest aclocal.m4 aclocal.old
  90 # However, since FOO is not used, f.m4 should not be included
  91 # and the contents of aclocal.m4 should remain the same
  92 diff aclocal.m4 aclocal.old
  93
  94 # If FOO where to be used, that would be another story, of course:
  95 # f.m4 should be included
  96 $sleep
  97 echo FOO >> configure.ac
  98 $MAKE
  99 $FGREP defs/f.m4 aclocal.m4
 100 $MAKE testdist2
 101
 102 # Make sure aclocal diagnose missing included files with correct 'file:line:'.
 103 rm -f b.m4
 104 $ACLOCAL 2>stderr && { cat stderr >&2; exit 1; }
 105 cat stderr >&2
 106 grep 'a\.m4:1: .*b\.m4.*does not exist' stderr
 107
 108 :