t/objcxx-flags.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 # Test Objective C++ compilation flags.
  18 # See also sister test 'objc-flags.sh'.
  19
  20 . test-init.sh
  21
  22 cat >> configure.ac << 'END'
  23 AC_PROG_OBJCXX
  24 AC_OUTPUT
  25 END
  26
  27 cat > Makefile.am << 'END'
  28 AM_DEFAULT_SOURCE_EXT = .mm
  29 bin_PROGRAMS = foo2 foo4
  30 AM_OBJCXXFLAGS = -DVALUE=2 -DERROR=1
  31 foo4_OBJCXXFLAGS = -DVALUE=4 -DERROR=1
  32 END
  33
  34 for i in 2 4; do
  35   unindent > foo$i.mm << END
  36     /* Let's make this file valid Objective C but invalid C. */
  37     #import <stdlib.h>
  38     @interface Who_Cares { } @end
  39     #ifdef ERROR
  40     #  error "macro ERROR is defined for foo.mm"
  41     #else
  42     #  if VALUE == $i
  43          int main (void) { exit (0); }
  44     #  else
  45     #    error "VALUE is != $i in foo.mm"
  46     #  endif
  47     #endif
  48 END
  49 done
  50
  51 $ACLOCAL
  52 $AUTOCONF
  53 $AUTOMAKE -a
  54
  55 $FGREP OBJCXXFLAGS Makefile.in # For debugging.
  56 grep '\$(OBJCXXFLAGS).*\$(AM_OBJCXXFLAGS)'       Makefile.in && exit 1
  57 grep '\$(OBJCXXFLAGS).*\$(foo.*_OBJCXXFLAGS)'    Makefile.in && exit 1
  58 grep '\$(foo.*_OBJCXXFLAGS).*\$(AM_OBJCXXFLAGS)' Makefile.in && exit 1
  59
  60 ./configure OBJCXXFLAGS=-UERROR
  61 $MAKE
  62
  63 :