t/objc-flags.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012-2017 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
  19 . test-init.sh
  20
  21 cat >> configure.ac << 'END'
  22 AC_PROG_OBJC
  23 AC_OUTPUT
  24 END
  25
  26 cat > Makefile.am << 'END'
  27 AM_DEFAULT_SOURCE_EXT = .m
  28 bin_PROGRAMS = foo2 foo4
  29 AM_OBJCFLAGS = -DVALUE=2 -DERROR=1
  30 foo4_OBJCFLAGS = -DVALUE=4 -DERROR=1
  31 END
  32
  33 for i in 2 4; do
  34   unindent > foo$i.m << END
  35     /* Let's make this file valid Objective C but invalid C. */
  36     #import <stdlib.h>
  37     @interface Who_Cares { } @end
  38     #ifdef ERROR
  39     #  error "macro ERROR is defined for foo.m"
  40     #else
  41     #  if VALUE == $i
  42          int main (void) { exit (0); }
  43     #  else
  44     #    error "VALUE is != $i in foo.m"
  45     #  endif
  46     #endif
  47 END
  48 done
  49
  50 $ACLOCAL
  51 $AUTOCONF
  52 $AUTOMAKE -a
  53
  54 $FGREP OBJCFLAGS Makefile.in # For debugging.
  55 grep '\$(OBJCFLAGS).*\$(AM_OBJCFLAGS)'       Makefile.in && exit 1
  56 grep '\$(OBJCFLAGS).*\$(foo.*_OBJCFLAGS)'    Makefile.in && exit 1
  57 grep '\$(foo.*_OBJCFLAGS).*\$(AM_OBJCFLAGS)' Makefile.in && exit 1
  58
  59 ./configure OBJCFLAGS=-UERROR
  60 $MAKE
  61
  62 :