-{ echo "$as_me:$LINENO: checking whether the compiler supports const_cast<>" >&5
-echo $ECHO_N "checking whether the compiler supports const_cast<>... $ECHO_C" >&6; }
-if test "${ac_cv_cxx_const_cast+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
- ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-int
-main ()
-{
-int x = 0;const int& y = x;int& z = const_cast<int&>(y);return z;
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_compile") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_cxx_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest.$ac_objext; then
- ac_cv_cxx_const_cast=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_cxx_const_cast=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_cxx_const_cast" >&5
-echo "${ECHO_T}$ac_cv_cxx_const_cast" >&6; }
-if test "$ac_cv_cxx_const_cast" = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CONST_CAST
-_ACEOF
-
-fi
-
-{ echo "$as_me:$LINENO: checking whether the compiler supports reinterpret_cast<>" >&5
-echo $ECHO_N "checking whether the compiler supports reinterpret_cast<>... $ECHO_C" >&6; }
-if test "${ac_cv_cxx_reinterpret_cast+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
- ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <typeinfo>
-class Base { public : Base () {} virtual void f () = 0;};
-class Derived : public Base { public : Derived () {} virtual void f () {} };
-class Unrelated { public : Unrelated () {} };
-int g (Unrelated&) { return 0; }
-int
-main ()
-{
-
-Derived d;Base& b=d;Unrelated& e=reinterpret_cast<Unrelated&>(b);return g(e);
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_compile") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_cxx_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest.$ac_objext; then
- ac_cv_cxx_reinterpret_cast=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_cxx_reinterpret_cast=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_cxx_reinterpret_cast" >&5
-echo "${ECHO_T}$ac_cv_cxx_reinterpret_cast" >&6; }
-if test "$ac_cv_cxx_reinterpret_cast" = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_REINTERPRET_CAST
-_ACEOF
-
-fi
-
-{ echo "$as_me:$LINENO: checking whether the compiler supports static_cast<>" >&5
-echo $ECHO_N "checking whether the compiler supports static_cast<>... $ECHO_C" >&6; }
-if test "${ac_cv_cxx_static_cast+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
- ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <typeinfo>
-class Base { public : Base () {} virtual void f () = 0; };
-class Derived : public Base { public : Derived () {} virtual void f () {} };
-int g (Derived&) { return 0; }
-int
-main ()
-{
-
-Derived d; Base& b = d; Derived& s = static_cast<Derived&> (b); return g (s);
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_compile") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_cxx_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest.$ac_objext; then
- ac_cv_cxx_static_cast=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_cxx_static_cast=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_cxx_static_cast" >&5
-echo "${ECHO_T}$ac_cv_cxx_static_cast" >&6; }
-if test "$ac_cv_cxx_static_cast" = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_STATIC_CAST
-_ACEOF
-
-fi
-
-
projects / wxWidgets.git / blobdiff