2 # Copyright (C) 2012 Free Software Foundation, Inc.
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)
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.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Test Objective C++ compilation flags.
18 # See also sister test 'objc-flags.sh'.
22 cat >> configure.ac << 'END'
23 dnl Support for Object C++ was introduced only in Autoconf 2.65.
29 cat > Makefile.am << 'END'
30 AM_DEFAULT_SOURCE_EXT = .mm
31 bin_PROGRAMS = foo2 foo4
32 AM_OBJCXXFLAGS = -DVALUE=2 -DERROR=1
33 foo4_OBJCXXFLAGS = -DVALUE=4 -DERROR=1
37 unindent > foo$i.mm << END
38 /* Let's make this file valid Objective C but invalid C. */
40 @interface Who_Cares { } @end
42 # error "macro ERROR is defined for foo.mm"
45 int main (void) { exit (0); }
47 # error "VALUE is != $i in foo.mm"
54 : We have a modern enough autoconf, go ahead.
55 elif test $? -eq 63; then
56 skip_ "Object C++ support requires Autoconf 2.65 or later"
58 exit 1 # Some other aclocal failure.
64 $FGREP OBJCXXFLAGS Makefile.in # For debugging.
65 grep '\$(OBJCXXFLAGS).*\$(AM_OBJCXXFLAGS)' Makefile.in && exit 1
66 grep '\$(OBJCXXFLAGS).*\$(foo.*_OBJCXXFLAGS)' Makefile.in && exit 1
67 grep '\$(foo.*_OBJCXXFLAGS).*\$(AM_OBJCXXFLAGS)' Makefile.in && exit 1
69 ./configure OBJCXXFLAGS=-UERROR