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generated...
2007-08-05

(C) 2007 guidod
Download the M4 Source.

ac_cxx_default_template_parameters

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Synopsis
AC_CXX_DEFAULT_TEMPLATE_PARAMETERS
, 
,
Version

2004-02-04

Author

Todd Veldhuizen Luc Maisonobe <luc@spaceroots.org>

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

If the compiler supports default template parameters, define HAVE_DEFAULT_TEMPLATE_PARAMETERS.

M4 Source Code
AC_DEFUN([AC_CXX_DEFAULT_TEMPLATE_PARAMETERS],
[AC_CACHE_CHECK(whether the compiler supports default template parameters,
ac_cv_cxx_default_template_parameters,
[AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
 AC_TRY_COMPILE([
template&lt;class T = double, int N = 10&gt; class A {public: int f() {return 0;}};
],[A&lt;float&gt; a; return a.f();],
 ac_cv_cxx_default_template_parameters=yes, ac_cv_cxx_default_template_parameters=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_default_template_parameters" = yes; then
  AC_DEFINE(HAVE_DEFAULT_TEMPLATE_PARAMETERS,,
            [define if the compiler supports default template parameters])
fi
])