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remove tests for bool and {const,static,reinterpret}_cast in configure and wx/defs.h, all supported compilers have them

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56641 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2008-11-02 02:16:09 +00:00
parent 94bc35dc33
commit 4c1d5d5ae2
8 changed files with 4 additions and 566 deletions
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113
acinclude.m4
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@ -143,43 +143,6 @@ AC_DEFUN([WX_CPP_NEW_HEADERS],
AC_LANG_RESTORE
])
dnl ---------------------------------------------------------------------------
dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
dnl
dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
dnl ---------------------------------------------------------------------------
AC_DEFUN([WX_CPP_BOOL],
[
AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
[
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE(
[
],
[
bool b = true;
return 0;
],
[
wx_cv_cpp_bool=yes
],
[
wx_cv_cpp_bool=no
]
)
AC_LANG_RESTORE
])
if test "$wx_cv_cpp_bool" = "yes"; then
AC_DEFINE(HAVE_BOOL)
fi
])
dnl ---------------------------------------------------------------------------
dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
dnl keyword and defines HAVE_EXPLICIT if this is the case
@ -744,79 +707,3 @@ if test "$enable_largefile" != no; then
fi
])
dnl Available from the GNU Autoconf Macro Archive at:
dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html
dnl
AC_DEFUN([AC_CXX_CONST_CAST],
[AC_CACHE_CHECK(whether the compiler supports const_cast<>,
ac_cv_cxx_const_cast,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast<int&>(y);return z;],
ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_const_cast" = yes; then
AC_DEFINE(HAVE_CONST_CAST,,[define if the compiler supports const_cast<>])
fi
])
dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_reinterpret_cast.html
AC_DEFUN([AC_CXX_REINTERPRET_CAST],
[AC_CACHE_CHECK(whether the compiler supports reinterpret_cast<>,
ac_cv_cxx_reinterpret_cast,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <typeinfo>
class Base { public : Base () {} virtual void f () = 0;};
class Derived : public Base { public : Derived () {} virtual void f () {} };
class Unrelated { public : Unrelated () {} };
int g (Unrelated&) { return 0; }],[
Derived d;Base& b=d;Unrelated& e=reinterpret_cast<Unrelated&>(b);return g(e);],
ac_cv_cxx_reinterpret_cast=yes, ac_cv_cxx_reinterpret_cast=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_reinterpret_cast" = yes; then
AC_DEFINE(HAVE_REINTERPRET_CAST,,
[define if the compiler supports reinterpret_cast<>])
fi
])
dnl and http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_static_cast.html
AC_DEFUN([AC_CXX_STATIC_CAST],
[AC_CACHE_CHECK(whether the compiler supports static_cast<>,
ac_cv_cxx_static_cast,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <typeinfo>
class Base { public : Base () {} virtual void f () = 0; };
class Derived : public Base { public : Derived () {} virtual void f () {} };
int g (Derived&) { return 0; }],[
Derived d; Base& b = d; Derived& s = static_cast<Derived&> (b); return g (s);],
ac_cv_cxx_static_cast=yes, ac_cv_cxx_static_cast=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_static_cast" = yes; then
AC_DEFINE(HAVE_STATIC_CAST,, [define if the compiler supports static_cast<>])
fi
])
dnl http://autoconf-archive.cryp.to/ac_cxx_dynamic_cast.html
AC_DEFUN([AC_CXX_DYNAMIC_CAST],
[AC_CACHE_CHECK(whether the compiler supports dynamic_cast<>,
ac_cv_cxx_dynamic_cast,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <typeinfo>
class Base { public : Base () {} virtual void f () = 0;};
class Derived : public Base { public : Derived () {} virtual void f () {} };],[
Derived d; Base& b=d; return dynamic_cast<Derived*>(&b) ? 0 : 1;],
ac_cv_cxx_dynamic_cast=yes, ac_cv_cxx_dynamic_cast=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_dynamic_cast" = yes; then
AC_DEFINE(HAVE_DYNAMIC_CAST,,[define if the compiler supports dynamic_cast<>])
fi
])