37 lines
1.2 KiB
Text
37 lines
1.2 KiB
Text
dnl Available from the GNU Autoconf Macro Archive at:
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dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_sstream.html
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dnl
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AC_DEFUN([AC_CXX_HAVE_SSTREAM],
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[AC_CACHE_CHECK(whether the compiler has stringstream,
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ac_cv_cxx_have_sstream,
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[AC_REQUIRE([AC_CXX_NAMESPACES])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <sstream>
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#ifdef HAVE_NAMESPACES
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using namespace std;
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#endif],[stringstream message; message << "Hello"; return 0;],
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ac_cv_cxx_have_sstream=yes, ac_cv_cxx_have_sstream=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_have_sstream" = yes; then
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AC_DEFINE(HAVE_SSTREAM,,[define if the compiler has stringstream])
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fi
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])
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dnl Available from the GNU Autoconf Macro Archive at:
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dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_namespaces.html
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dnl
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AC_DEFUN([AC_CXX_NAMESPACES],
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[AC_CACHE_CHECK(whether the compiler implements namespaces,
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ac_cv_cxx_namespaces,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],
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[using namespace Outer::Inner; return i;],
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ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_namespaces" = yes; then
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AC_DEFINE(HAVE_NAMESPACES,,[define if the compiler implements namespaces])
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fi
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])
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