t/autohdr-subdir-pr12495.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012-2018 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 # Related to automake bug#12495: Automake shouldn't generate useless
  18 # remake rules for AC_CONFIG_HEADERS arguments after the first one,
  19 # not even when subdirs are involved.
  20
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_CONFIG_HEADERS([a.h b.h sub/c.h])
  25 AC_CONFIG_FILES([sub/Makefile])
  26 AC_OUTPUT
  27 END
  28
  29 mkdir sub
  30 echo SUBDIRS = sub > Makefile.am
  31 : > sub/Makefile.am
  32
  33 $ACLOCAL
  34 $AUTOCONF
  35 $AUTOHEADER
  36 # Even if an AC_CONFIG_HEADERS invocation is passed several files in
  37 # the first argument, only the first one is considered by autoheader
  38 # for automatic generation.  Otherwise, the present test case would
  39 test -f a.h.in && test ! -f c.h.in && test ! -f sub/c.h.in \
  40   || fatal_ "unexpected autoheader behavior with multiple" \
  41             "AC_CONFIG_HEADERS arguments"
  42 # Automake should require the missing headers though.
  43 AUTOMAKE_fails -Wno-error -Wnone
  44 grep "^configure\.ac:4:.* required file 'b.h.in' not found" stderr
  45 grep "^configure\.ac:4:.* required file 'sub/c.h.in' not found" stderr
  46 : > b.h.in
  47 : > sub/c.h.in
  48 $AUTOMAKE
  49
  50 ./configure
  51
  52 # Automake should regenerate this.
  53 grep '^$(srcdir)/a\.h\.in:' Makefile.in
  54 # But not these.
  55 grep '[bc]\.h\.in.*:' Makefile.in sub/Makefile.in && exit 1
  56
  57 test -f a.h && test -f b.h && test -f sub/c.h \
  58   || fatal_ "unexpected ./configure behavior with multiple" \
  59             "AC_CONFIG_HEADERS arguments"
  60
  61 rm -f a.h.in a.h
  62 $MAKE
  63 test -f a.h.in
  64 test -f a.h
  65
  66 # We might need to grep the output of GNU make for error messages.
  67 LANG=C LANGUAGE=C LC_ALL=C
  68 export LANG LANGUAGE LC_ALL
  69
  70 ocwd=$(pwd)
  71 for x in b c; do
  72   test $x = b || cd sub
  73   rm -f $x.h.in
  74   run_make -E -e FAIL $x.h.in
  75   test ! -f $x.h.in
  76   if using_gmake; then
  77     grep "No rule to make target [\`\"']$x\.h\.in[\`\"']" stderr
  78   fi
  79   : > $x.h.in
  80   cd "$ocwd" || fatal_ "cannot chdir back"
  81 done
  82
  83 :