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gezelter |
2510 |
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dnl AC_CXX_STD |
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dnl |
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dnl Description |
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dnl Tests for various things that we might expect to find in |
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dnl C++ namespace std. |
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dnl |
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dnl Looks for <iostream> or else <iostream.h>. |
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dnl Looks for <iomanip> or else <iomanip.h>. |
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dnl Looks for <cmath>. |
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dnl Defines macro HAVE_FSTREAM_ATTACH if we have: |
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dnl void ofstream::attach (int FILE) |
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dnl Defines macro HAVE_FSTREAM_OPEN if we have: |
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dnl void ofstream::open (const char* FNAME, int MODE) |
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dnl Defines macro FSTREAM_OPEN_PROT if we have: |
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dnl void ofstream::open (const char* FNAME, int MODE, int PROT) |
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dnl Defines macro HAVE_STD_IOSTREAM if this works: |
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dnl #include <iostream> |
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dnl std::cout<<"Hello World"<<std::endl; |
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dnl Defines macro HAVE_STD_STL if this works: |
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dnl #include <list> |
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dnl std::list<int> foo; |
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dnl |
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dnl Copyright (C) 2003, Alex Tingle <alex.autoconf@firetree.net> |
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dnl |
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dnl License: |
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dnl GNU General Public License |
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dnl [http://www.gnu.org/software/ac-archive/htmldoc/COPYING.html] |
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dnl with this special exception |
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dnl [http://www.gnu.org/software/ac-archive/htmldoc/COPYING-Exception.html]. |
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AC_DEFUN([AC_CXX_STD],[ |
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AC_CXX_HAVE_IOSTREAM |
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AC_CXX_HAVE_IOMANIP |
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AC_CHECK_HEADERS([cmath]) |
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AC_CXX_HAVE_STD_IOSTREAM |
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AC_CXX_HAVE_STD_STL |
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AC_CXX_HAVE_FSTREAM_ATTACH |
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AC_CXX_HAVE_FSTREAM_OPEN |
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]) |
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dnl |
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dnl AC_CXX_HAVE_IOSTREAM |
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dnl Looks for <iostream> or else <iostream.h>. |
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AC_DEFUN([AC_CXX_HAVE_IOSTREAM],[ |
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AC_CHECK_HEADER([iostream],[ |
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AC_DEFINE([HAVE_IOSTREAM],[1],[Define to 1 if you have the <iostream> header file.]) |
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],[ |
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AC_CHECK_HEADERS([iostream.h]) |
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]) |
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]) |
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dnl |
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dnl AC_CXX_HAVE_FSTREAM_ATTACH |
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dnl Defines macro HAVE_FSTREAM_ATTACH if we have: |
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dnl void ofstream::attach (int FILE) |
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dnl |
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AC_DEFUN([AC_CXX_HAVE_FSTREAM_ATTACH],[ |
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AC_REQUIRE([AC_CXX_HAVE_STD_IOSTREAM]) |
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AC_CACHE_CHECK([for fstream::attach()],[ac_cv_cxx_have_fstream_attach],[ |
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ac_cv_cxx_have_fstream_attach=no |
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AC_LANG_SAVE |
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AC_LANG_CPLUSPLUS |
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AC_TRY_COMPILE([ |
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#ifdef HAVE_IOSTREAM |
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#include <fstream> |
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#else |
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#include <fstream.h> |
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#endif |
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#ifdef HAVE_STD_IOSTREAM |
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using namespace std; |
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#endif |
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],[int fd=0;ofstream s;s.attach(fd);], |
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[ac_cv_cxx_have_fstream_attach=yes]) |
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AC_LANG_RESTORE |
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]) |
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if test "$ac_cv_cxx_have_fstream_attach" = yes; then |
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AC_DEFINE([HAVE_FSTREAM_ATTACH],[1],[define if we have fstream::attach().]) |
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fi |
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]) |
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dnl |
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dnl AC_CXX_HAVE_FSTREAM_OPEN |
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dnl Defines macro HAVE_FSTREAM_OPEN if we have: |
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dnl void ofstream::open (const char* FNAME, int MODE) |
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dnl Defines macro FSTREAM_OPEN_PROT if we have: |
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dnl void ofstream::open (const char* FNAME, int MODE, int PROT) |
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dnl |
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AC_DEFUN([AC_CXX_HAVE_FSTREAM_OPEN],[ |
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AC_REQUIRE([AC_CXX_HAVE_STD_IOSTREAM]) |
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AC_CACHE_CHECK([for fstream::open()],[ac_cv_cxx_have_fstream_open],[ |
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ac_cv_cxx_have_fstream_open=no |
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ac_cv_cxx_fstream_open_prot=no |
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AC_LANG_SAVE |
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AC_LANG_CPLUSPLUS |
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# Try with 2 parameters |
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AC_TRY_COMPILE([ |
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#ifdef HAVE_IOSTREAM |
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#include <fstream> |
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#else |
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#include <fstream.h> |
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#endif |
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#ifdef HAVE_STD_IOSTREAM |
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using namespace std; |
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#endif |
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],[ofstream s;s.open("conftest.txt",ios::out|ios::trunc);], |
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[ac_cv_cxx_have_fstream_open=yes]) |
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# Try with mode parameter |
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AC_TRY_COMPILE([ |
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#ifdef HAVE_IOSTREAM |
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#include <fstream> |
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#else |
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#include <fstream.h> |
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#endif |
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#ifdef HAVE_STD_IOSTREAM |
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using namespace std; |
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#endif |
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],[ofstream s;s.open("conftest.txt",ios::out|ios::trunc,0666);], |
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[ac_cv_cxx_fstream_open_prot=yes]) |
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AC_LANG_RESTORE |
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]) |
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if test "$ac_cv_cxx_have_fstream_open" = yes; then |
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AC_DEFINE([HAVE_FSTREAM_OPEN],[1], |
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[define if we have fstream::open().]) |
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fi |
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if test "$ac_cv_cxx_fstream_open_prot" = yes; then |
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AC_DEFINE([FSTREAM_OPEN_PROT],[1], |
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[define if fstream::open() accepts third parameter.]) |
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fi |
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]) |
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dnl |
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dnl AC_CXX_HAVE_IOMANIP |
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dnl Looks for <iomanip> or else <iomanip.h>. |
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dnl |
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AC_DEFUN([AC_CXX_HAVE_IOMANIP],[ |
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AC_CHECK_HEADER([iomanip],[ |
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AC_DEFINE([HAVE_IOMANIP],[1],[Define to 1 if you have the <iomanip> header file.]) |
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],[ |
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AC_CHECK_HEADERS([iomanip.h]) |
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]) |
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]) |
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dnl |
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dnl AC_CXX_HAVE_STD_IOSTREAM |
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dnl Defines macro HAVE_STD_IOSTREAM if this works: |
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dnl #include <iostream> |
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dnl std::cout<<"Hello World"<<std::endl; |
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dnl |
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AC_DEFUN([AC_CXX_HAVE_STD_IOSTREAM],[ |
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AC_REQUIRE([AC_CXX_NAMESPACES]) |
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AC_REQUIRE([AC_CXX_HAVE_IOSTREAM]) |
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AC_CACHE_CHECK([for C++ iostream in namespace std], |
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ac_cv_cxx_have_std_iostream,[ |
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ac_cv_cxx_have_std_iostream=no |
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ac_cv_cxx_need_use_std_iostream=no |
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if test "x$ac_cv_cxx_namespaces" = xyes; then |
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AC_LANG_SAVE |
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AC_LANG_CPLUSPLUS |
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AC_TRY_COMPILE([ |
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#ifdef HAVE_IOSTREAM |
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#include <iostream> |
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#else |
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#include <iostream.h> |
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#endif |
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],[std::cout<<"Hello World"<<std::endl;return 0;], |
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[ac_cv_cxx_have_std_iostream=yes]) |
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AC_TRY_COMPILE([ |
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#define __USE_STD_IOSTREAM 1 |
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#ifdef HAVE_IOSTREAM |
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#include <iostream> |
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#else |
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#include <iostream.h> |
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#endif |
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],[std::cout<<"Hello World"<<std::endl;return 0;], |
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[ac_cv_cxx_have_std_iostream=yes;ac_cv_cxx_need_use_std_iostream=yes]) |
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AC_LANG_RESTORE |
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fi |
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]) |
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if test "$ac_cv_cxx_have_std_iostream" = yes; then |
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AC_DEFINE([HAVE_STD_IOSTREAM],[1],[define if C++ iostream is in namespace std.]) |
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fi |
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if test "$ac_cv_cxx_need_use_std_iostream" = yes; then |
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AC_DEFINE([__USE_STD_IOSTREAM],[1],[needed by DEC/Compaq/HP cxx to activate ANSI standard iostream.]) |
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fi |
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]) |
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dnl |
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dnl AC_CXX_HAVE_STD_STL |
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dnl Defines macro HAVE_STD_STL if this works: |
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dnl #include <list> |
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dnl std::list<int> foo; |
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dnl |
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AC_DEFUN([AC_CXX_HAVE_STD_STL],[ |
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AC_REQUIRE([AC_CXX_NAMESPACES]) |
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AC_REQUIRE([AC_CXX_HAVE_STL]) |
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AC_CACHE_CHECK([for C++ Standard Template Library in namespace std.], |
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ac_cv_cxx_have_std_stl,[ |
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ac_cv_cxx_have_std_stl=no |
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if test "x$ac_cv_cxx_namespaces" = xyes; then |
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AC_LANG_SAVE |
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AC_LANG_CPLUSPLUS |
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AC_TRY_COMPILE([#include <list> |
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],[std::list<int> foo;return 0;], |
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[ac_cv_cxx_have_std_stl=yes]) |
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AC_LANG_RESTORE |
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fi |
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]) |
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if test "$ac_cv_cxx_have_std_stl" = yes; then |
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AC_DEFINE([HAVE_STD_STL],[1],[define if C++ Standard Template Library is in namespace std]) |
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fi |
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]) |
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