AC_CHECK_DEFINE([symbol], [ACTION-IF-FOUND], [ACTION-IF-NOT])


AX_CHECK_DEFINE([includes],[symbol], [ACTION-IF-FOUND], [ACTION-IF-NOT])
, 

2006年10月13日

Guido U. Draheim <guidod@gmx.de>

GPLWithACException
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. As a special exception, the respective Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts

cryp.to ac-archive's Miscellaneous (released)

complements AC_CHECK_FUNC but it does not check for a function but for a define to exist. Consider a usage like AC_CHECK_DEFINE(__STRICT_ANSI__, CFLAGS="$CFLAGS -D_XOPEN_SOURCE=500")

AC_DEFUN([AC_CHECK_DEFINED],[
AS_VAR_PUSHDEF([ac_var],[ac_cv_defined_1ドル])dnl
AC_CACHE_CHECK([for 1ドル defined], ac_var,
AC_TRY_COMPILE(,[
 #ifdef 1ドル
 int ok;
 #else
 choke me
 #endif
],AS_VAR_SET(ac_var, yes),AS_VAR_SET(ac_var, no)))
AS_IF([test AS_VAR_GET(ac_var) != "no"], [2ドル], [3ドル])dnl
AS_VAR_POPDEF([ac_var])dnl
])
AC_DEFUN([AX_CHECK_DEFINED],[
AS_VAR_PUSHDEF([ac_var],[ac_cv_defined_2ドル])dnl
AC_CACHE_CHECK([for 1ドル defined], ac_var,
AC_TRY_COMPILE(1,ドル[
 #ifndef 2ドル
 int ok;
 #else
 choke me
 #endif
],AS_VAR_SET(ac_var, yes),AS_VAR_SET(ac_var, no)))
AS_IF([test AS_VAR_GET(ac_var) != "no"], [3ドル], [4ドル])dnl
AS_VAR_POPDEF([ac_var])dnl
])
AC_DEFUN([AX_CHECK_FUNC],
[AS_VAR_PUSHDEF([ac_var], [ac_cv_func_2ドル])dnl
AC_CACHE_CHECK([for 2ドル], ac_var,
dnl AC_LANG_FUNC_LINK_TRY
[AC_LINK_IFELSE([AC_LANG_PROGRAM([1ドル
 #undef 2ドル
 char 2ドル ();],[
 char (*f) () = 2ドル;
 return f != 2ドル; ])],
 [AS_VAR_SET(ac_var, yes)],
 [AS_VAR_SET(ac_var, no)])])
AS_IF([test AS_VAR_GET(ac_var) = yes], [3ドル], [4ドル])dnl
AS_VAR_POPDEF([ac_var])dnl
])# AC_CHECK_FUNC