t/dollarvar2.sh

   1 #!/bin/sh
   2 # Copyright (C) 2009-2024 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 # Test to make sure that -Wportability turns on portability-recursive,
  18 # likewise for -Wno-...
  19
  20 . test-init.sh
  21
  22 #
  23 # First, try a setup where we have a 'portability-recursive' warning,
  24 # but no "simple" 'portability' warning.
  25 #
  26
  27 cat >Makefile.am <<'EOF'
  28 x = 1
  29 bla = $(foo$(x))
  30 EOF
  31
  32 $ACLOCAL
  33
  34 # Enabling 'portability' warnings should enable 'portability-recursive'
  35 # warnings.
  36 AUTOMAKE_fails -Wnone -Wportability
  37 grep 'recursive variable expansion' stderr
  38 # 'portability-recursive' warnings can be enabled by themselves.
  39 AUTOMAKE_fails -Wnone -Wportability-recursive
  40 grep 'recursive variable expansion' stderr
  41
  42 # Various ways to disable 'portability-recursive'.
  43 $AUTOMAKE -Wno-all
  44 $AUTOMAKE -Wno-portability
  45 $AUTOMAKE -Wall -Wno-portability-recursive
  46
  47 # '-Wno-portability-recursive' after '-Wportability' correctly disables
  48 # 'portability-recursive' warnings.
  49 $AUTOMAKE -Wportability -Wno-portability-recursive
  50
  51 # '-Wno-portability' disables 'portability-recursive' warnings; but
  52 # a later '-Wportability-recursive' re-enables them.  This time, we
  53 # use AUTOMAKE_OPTIONS to specify the warning levels.
  54 echo 'AUTOMAKE_OPTIONS = -Wno-portability' >> Makefile.am
  55 $AUTOMAKE
  56 echo 'AUTOMAKE_OPTIONS += -Wportability-recursive' >> Makefile.am
  57 AUTOMAKE_fails
  58 grep 'recursive variable expansion' stderr
  59
  60 #
  61 # Now try a setup where we have both a 'portability' warning and
  62 # a 'portability-recursive' one.
  63 #
  64
  65 cat >Makefile.am <<'EOF'
  66 x = 1
  67 bla = $(foo$(x))
  68 oops = $(var-with-dash)
  69 EOF
  70
  71 # Can disable both 'portability' and 'portability-recursive' warnings.
  72 $AUTOMAKE -Wno-portability
  73
  74 # Disabling 'portability-recursive' warnings should not disable
  75 # 'portability' warnings.
  76 AUTOMAKE_fails -Wportability -Wno-portability-recursive
  77 grep 'var-with-dash' stderr
  78 grep 'recursive variable expansion' stderr && exit 1
  79
  80 # Enabling 'portability-recursive' warnings should not enable
  81 # all the 'portability' warning.
  82 AUTOMAKE_fails -Wno-portability -Wportability-recursive
  83 grep 'var-with-dash' stderr && exit 1
  84 grep 'recursive variable expansion' stderr
  85
  86 #
  87 # Ensure that GNU make function calls give a portability warning
  88 # under a certain condition that older automake missed.
  89 #
  90 cat >Makefile.am <<'EOF'
  91 x = $$$(y z)
  92 EOF
  93 AUTOMAKE_fails -Wportability
  94
  95 :