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ac_cxx_have_string_push_back

Synopsis

AC_CXX_HAVE_STRING_PUSH_BACK

Description

If the implementation of the C++ library provides the method std::string::push_back (char), define HAVE_STRING_PUSH_BACK.

Version

1.2 (last modified: 2001-05-22)

Author

Jan Langer <jan@langernetz.de>

M4 Source Code

AC_DEFUN([AC_CXX_HAVE_STRING_PUSH_BACK],
[AC_CACHE_CHECK(whether the compiler has std::string::push_back (char),
ac_cv_cxx_have_string_push_back,
[AC_REQUIRE([AC_CXX_NAMESPACES])
 AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
 AC_TRY_COMPILE([#include <string>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif],[string message; message.push_back ('a'); return 0;],
 ac_cv_cxx_have_string_push_back=yes, ac_cv_cxx_have_string_push_back=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_have_string_push_back" = yes; then
 AC_DEFINE(HAVE_STRING_PUSH_BACK,,[define if the compiler has the method
std::string::push_back (char)])
fi
])dnl

Copyright

GNU General Public License with this special exception.