ac_cxx_have_stl.m4

来自「asn格式文件的编译器」· M4 代码 · 共 28 行

dnl @synopsis AC_CXX_HAVE_STL
dnl
dnl If the compiler supports the Standard Template Library, define HAVE_STL.
dnl
dnl @version $Id: ac_cxx_have_stl.m4,v 1.1.1.1 2001/08/01 07:38:42 mangelo Exp $
dnl @author Luc Maisonobe
dnl
AC_DEFUN([AC_CXX_HAVE_STL],
[
AC_CACHE_CHECK(whether the compiler supports Standard Template Library,
ac_cv_cxx_have_stl,
[AC_REQUIRE([AC_CXX_NAMESPACES])
 AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
 AC_TRY_COMPILE([#include <list>
#include <deque>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif],[list<int> x; x.push_back(5);
list<int>::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;],
 ac_cv_cxx_have_stl=yes, ac_cv_cxx_have_stl=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_have_stl" = yes; then
  AC_DEFINE(HAVE_STL,,[define if the compiler supports Standard Template Library])
fi
])