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fixing #1772

This commit is contained in:
fgerlits 2006-09-26 15:55:30 +00:00
parent 1e7014ae01
commit 05f4b89d95
1 changed files with 25 additions and 0 deletions
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25
livesupport/src/modules/gstreamerElements/etc/acinclude.m4
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@ -89,6 +89,31 @@ AC_DEFUN([PKG_CHECK_MODULES], [
])
dnl-----------------------------------------------------------------------------
dnl Macro to check for C++ namespaces
dnl for more information on this macro, see
dnl http://autoconf-archive.cryp.to/ac_cxx_namespaces.html
dnl
dnl usage:
dnl If the compiler can prevent names clashes using namespaces,
dnl define HAVE_NAMESPACES.
dnl-----------------------------------------------------------------------------
AC_DEFUN([AC_CXX_NAMESPACES],
[AC_CACHE_CHECK(whether the compiler implements namespaces,
ac_cv_cxx_namespaces,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],
[using namespace Outer::Inner; return i;],
ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_namespaces" = yes; then
AC_DEFINE(HAVE_NAMESPACES,,[define if the compiler implements namespaces])
fi
])
dnl-----------------------------------------------------------------------------
dnl Macro to check for the boost datetime library.
dnl for more information on boost, see http://www.boost.org/