文件操作 - ax_cxx_have_stl.m4
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文件: /usr/share/aclocal/ax_cxx_have_stl.m4
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# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_cxx_have_stl.html # =========================================================================== # # SYNOPSIS # # AX_CXX_HAVE_STL # # DESCRIPTION # # If the compiler supports the Standard Template Library, define HAVE_STL. # # LICENSE # # Copyright (c) 2008 Todd Veldhuizen # Copyright (c) 2008 Luc Maisonobe <luc@spaceroots.org> # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 7 AU_ALIAS([AC_CXX_HAVE_STL], [AX_CXX_HAVE_STL]) AC_DEFUN([AX_CXX_HAVE_STL], [AC_CACHE_CHECK(whether the compiler supports Standard Template Library, ax_cv_cxx_have_stl, [AC_REQUIRE([AX_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;], ax_cv_cxx_have_stl=yes, ax_cv_cxx_have_stl=no) AC_LANG_RESTORE ]) if test "$ax_cv_cxx_have_stl" = yes; then AC_DEFINE(HAVE_STL,,[define if the compiler supports Standard Template Library]) fi ])
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