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Autoconf Macro: ac_cxx_template_scoped_argument_matching
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<h1>
ac_cxx_template_scoped_argument_matching
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_CXX_TEMPLATE_SCOPED_ARGUMENT_MATCHING</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
If the compiler supports function matching with argument types which are
template scope-qualified, define HAVE_TEMPLATE_SCOPED_ARGUMENT_MATCHING.
</p>
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<h2>
Author
</h2>
<p class="indent">
Todd Veldhuizen, Luc Maisonobe <luc@spaceroots.org>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2004-02-04
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([AC_CXX_TEMPLATE_SCOPED_ARGUMENT_MATCHING],
[AC_CACHE_CHECK(whether the compiler supports function matching with argument types which are template scope-qualified,
ac_cv_cxx_template_scoped_argument_matching,
[AC_REQUIRE([AC_CXX_TYPENAME])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([
#ifndef HAVE_TYPENAME
#define typename
#endif
template<class X> class A { public : typedef X W; };
template<class Y> class B {};
template<class Y> void operator+(B<Y> d1, typename Y::W d2) {}
],[B<A<float> > z; z + 0.5f; return 0;],
ac_cv_cxx_template_scoped_argument_matching=yes, ac_cv_cxx_template_scoped_argument_matching=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_template_scoped_argument_matching" = yes; then
AC_DEFINE(HAVE_TEMPLATE_SCOPED_ARGUMENT_MATCHING,,
[define if the compiler supports function matching with argument types which are template scope-qualified])
fi
])
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