[
found_versioning=no
- dnl Check for known non-gcc cases:
- case "${host}" in
- *-*-solaris2* )
- if test "x$GCC" != "xyes" ; then
- LDFLAGS_VERSIONING="-M $1"
- found_versioning=yes
- fi
- ;;
- esac
+ dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards
+ dnl in the script.
+ dnl dnl Check for known non-gcc cases:
+ dnl case "${host}" in
+ dnl *-*-solaris2* )
+ dnl if test "x$GCC" != "xyes" ; then
+ dnl LDFLAGS_VERSIONING="-M $1"
+ dnl found_versioning=yes
+ dnl fi
+ dnl ;;
+ dnl esac
dnl Generic check for GCC or GCC-like behaviour (Intel C++, GCC):
if test $found_versioning = no ; then
AC_MSG_RESULT($wx_largefile)
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
+])