t/gnuwarn.sh

   1 #! /bin/sh
   2 # Copyright (C) 2002-2024 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 # Check that Automake warns about user variables being overridden.
  18
  19 . test-init.sh
  20
  21 # We need (almost) complete control over automake options.
  22 AUTOMAKE="$am_original_AUTOMAKE -Werror"
  23
  24 cat >> configure.ac << 'END'
  25 AC_PROG_CC
  26 AC_OUTPUT
  27 END
  28
  29 # Needed by --gnu.
  30 : > NEWS
  31 : > README
  32 : > AUTHORS
  33 : > ChangeLog
  34
  35 cat > Makefile.am << 'END'
  36 CFLAGS += -I..
  37 LDFLAGS = -lfoo
  38 CXXFLAGS = -Wall
  39 bin_PROGRAMS = bar
  40 END
  41
  42 $ACLOCAL
  43 # Don't warn in foreign mode
  44 $AUTOMAKE --add-missing --foreign
  45 # Warn in gnu mode
  46 AUTOMAKE_fails --add-missing --gnu
  47 grep '^Makefile\.am:1:.*CFLAGS' stderr
  48 grep '^Makefile\.am:2:.*LDFLAGS' stderr
  49 # No reason to warn about CXXFLAGS since it's not used.
  50 grep CXXFLAGS stderr && exit 1
  51 # Don't warn if -Wno-gnu.
  52 $AUTOMAKE --gnu -Wno-gnu
  53
  54 :