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dnl ---------------------------------------------------------------------------
dnl check if compiler compiles correctly something like this :
dnl class A { virtual A* me(); };
dnl class X {};
dnl class B : public X, public A { virtual B* me(); };
dnl stupid gcc doesn't even bother to warn it can't do it correctly
dnl ---------------------------------------------------------------------------
AC_MSG_CHECKING(if covariant return works)
AC_CACHE_VAL(kde_cv_covariant_return,
[
kde_cv_covariant_return=no
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_RUN(
[
class A { public: virtual A* me(); };
class X { public: int x; virtual void ff() {}; };
class B : public X, public A { public: virtual B* me(); };
int foo( A* a )
{
A* aa = a->me();
return a == aa;
}
int main()
{
B* b = new B;
return foo( b ) == 0;
}
A* A::me() { return this; }
B* B::me() { return this; }
],
[ kde_cv_covariant_return=yes ])
AC_LANG_RESTORE
])
if test "$kde_cv_covariant_return" = "no"; then
AC_MSG_RESULT(no)
AC_DEFINE(COVARIANT_RETURN_BROKEN, 1,
[Define if covariant return in virtual methods works])
else
AC_MSG_RESULT(yes)
fi
dnl ---------------------------------------------------------------------------
dnl check for arts for speech recognition
dnl ---------------------------------------------------------------------------
artsc_config_test_path=$prefix/bin:$exec_prefix/bin:$KDEDIR/bin:$PATH
AC_PATH_PROG(ARTSCCONFIG, artsc-config, no, $artsc_config_test_path)
if test "x$build_arts" = "xyes" && test "x$ARTSCCONFIG" != "xno" ; then
LIB_ARTS="-lartskde"
ARTS_PREFIX=[`$ARTSCCONFIG --arts-prefix`]
ARTS_CFLAGS="-I$ARTS_PREFIX/include/arts"
AC_DEFINE(HAVE_ARTS, 1, [Defined for arts support in khotkeys])
KHOTKEYS_ARTS_SUBDIR=arts
else
LIB_ARTS=""
ARTS_CFLAGS=""
KHOTKEYS_ARTS_SUBDIR=
fi
AC_SUBST(LIB_ARTS)
AC_SUBST(ARTS_CFLAGS)
AC_SUBST(KHOTKEYS_ARTS_SUBDIR)
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