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generated...
2007-08-05

(C) 2007 guidod
Download the M4 Source.

ac_cxx_gnucxx_hashmap

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Synopsis
AC_CXX_GNUCXX_HASHMAP
,
Version

2005-07-18

Author

Patrick Mauritz <oxygene@studentenbude.ath.cx>

License

AllPermissive
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. Users of this software should generally follow the principles of the MIT License includings its disclaimer.

Category

cryp.to ac-archive's C++ Support (released)

Documentation

Test for the presence of GCC's hashmap STL extension.

M4 Source Code
AC_DEFUN([AC_CXX_GNUCXX_HASHMAP],[
AC_CACHE_CHECK(whether the compiler supports __gnu_cxx::hash_map,
ac_cv_cxx_gnucxx_hashmap,
[AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
 AC_TRY_COMPILE([#include &lt;ext/hash_map&gt;
using __gnu_cxx::hash_map;],
 [],
 ac_cv_cxx_gnucxx_hashmap=yes, ac_cv_cxx_gnucxx_hashmap=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_gnucxx_hashmap" = yes; then
  AC_DEFINE(HAVE_GNUCXX_HASHMAP,,[define if the compiler supports __gnu_cxx::hash_map])
fi
])