t/objcxx-deps.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012-2024 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 # Automatic dependency tracking for Objective C++.
  18 # See also sister test 'objc-deps.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 bin_PROGRAMS = foo
  29 foo_SOURCES = bar.mm baz.h++ baz2.hh
  30 END
  31
  32 cat > baz.h++ << 'END'
  33 #include <iostream>
  34 #include "baz2.hh"
  35 END
  36
  37 cat > baz2.hh << 'END'
  38 #define MSG "Hello, World"
  39 END
  40
  41 cat > bar.mm << 'END'
  42 /* The use of #import makes this valid Object C++ but invalid C++. */
  43 #import "baz.h++"
  44 int main (void)
  45 {
  46     std::cout << MSG << "\n";
  47     return 0;
  48 }
  49 END
  50
  51 $ACLOCAL
  52 $AUTOCONF
  53 $AUTOMAKE --add-missing
  54
  55 ./configure --enable-dependency-tracking
  56 $MAKE
  57 cross_compiling || (./foo | $FGREP 'Hello, World') || exit 1
  58
  59 $sleep
  60 : > old
  61 echo '#define MSG "Howdy, Earth"' > baz2.hh
  62 $MAKE
  63 if test -f foo; then
  64   is_newest foo old
  65 else
  66   is_newest foo.exe old
  67 fi
  68 cross_compiling || (./foo | $FGREP 'Howdy, Earth') || exit 1
  69
  70 $MAKE distcheck
  71
  72 :