reactos/lib/3rdparty/adns/aclocal.m4

   1 # aclocal.m4 - package-specific macros for autoconf
   2 #
   3 #  This file is
   4 #    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
   5 #
   6 #  It is part of adns, which is
   7 #    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
   8 #    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
   9 #
  10 #  This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
  11 #
  12 #  This program is free software; you can redistribute it and/or modify
  13 #  it under the terms of the GNU General Public License as published by
  14 #  the Free Software Foundation; either version 2, or (at your option)
  15 #  any later version.
  16 #
  17 #  This program is distributed in the hope that it will be useful,
  18 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 #  GNU General Public License for more details.
  21 #
  22 #  You should have received a copy of the GNU General Public License
  23 #  along with this program; if not, write to the Free Software Foundation,
  24 #  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
  27 define(DPKG_CACHED_TRY_COMPILE,[
  28  AC_MSG_CHECKING($1)
  29  AC_CACHE_VAL($2,[
  30   AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no])
  31  ])
  32  if test "x$$2" = xyes; then
  33   true
  34   $5
  35  else
  36   true
  37   $6
  38  fi
  39 ])
  40
  41 define(ADNS_C_GCCATTRIB,[
  42  DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,,
  43   [extern int testfunction(int x) __attribute__((,,))],
  44   AC_MSG_RESULT(yes)
  45   AC_DEFINE(HAVE_GNUC25_ATTRIB)
  46    DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),adns_cv_c_attribute_noreturn,,
  47     [extern int testfunction(int x) __attribute__((noreturn))],
  48     AC_MSG_RESULT(yes)
  49     AC_DEFINE(HAVE_GNUC25_NORETURN),
  50     AC_MSG_RESULT(no))
  51    DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,,
  52     [extern int testfunction(int x) __attribute__((const))],
  53     AC_MSG_RESULT(yes)
  54     AC_DEFINE(HAVE_GNUC25_CONST),
  55     AC_MSG_RESULT(no))
  56    DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,,
  57     [extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))],
  58     AC_MSG_RESULT(yes)
  59     AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT),
  60     AC_MSG_RESULT(no)),
  61   AC_MSG_RESULT(no))
  62 ])
  63
  64 define(ADNS_C_GETFUNC,[
  65  AC_CHECK_FUNC([$1],,[
  66   AC_CHECK_LIB([$2],[$1],[$3],[
  67     AC_MSG_ERROR([cannot find library function $1])
  68   ])
  69  ])
  70 ])