development/ac-tools/AC_CXX_STD.m4

dnl 
dnl AC_CXX_STD
dnl
dnl Description
dnl 
dnl Tests for various things that we might expect to find in
dnl C++ namespace std.
dnl
dnl Looks for <iostream> or else <iostream.h>.
dnl Looks for <iomanip> or else <iomanip.h>.
dnl Looks for <cmath>.
dnl Defines macro HAVE_FSTREAM_ATTACH if we have:
dnl  void ofstream::attach (int FILE)
dnl Defines macro HAVE_FSTREAM_OPEN if we have:
dnl  void ofstream::open (const char* FNAME, int MODE)
dnl Defines macro FSTREAM_OPEN_PROT if we have:
dnl  void ofstream::open (const char* FNAME, int MODE, int PROT)
dnl Defines macro HAVE_STD_IOSTREAM if this works:
dnl  #include <iostream>
dnl  std::cout<<"Hello World"<<std::endl;
dnl Defines macro HAVE_STD_STL if this works:
dnl  #include <list>
dnl  std::list<int> foo;
dnl 
dnl Copyright (C) 2003, Alex Tingle <alex.autoconf@firetree.net>
dnl 
dnl License:
dnl GNU General Public License
dnl [http://www.gnu.org/software/ac-archive/htmldoc/COPYING.html]
dnl with this special exception
dnl [http://www.gnu.org/software/ac-archive/htmldoc/COPYING-Exception.html]. 
dnl 

AC_DEFUN([AC_CXX_STD],[
  AC_CXX_HAVE_IOSTREAM
  AC_CXX_HAVE_IOMANIP
  AC_CHECK_HEADERS([cmath])
  AC_CXX_HAVE_STD_IOSTREAM
  AC_CXX_HAVE_STD_STL
  AC_CXX_HAVE_FSTREAM_ATTACH
  AC_CXX_HAVE_FSTREAM_OPEN
])


dnl 
dnl AC_CXX_HAVE_IOSTREAM
dnl Looks for <iostream> or else <iostream.h>.
dnl 

AC_DEFUN([AC_CXX_HAVE_IOSTREAM],[
  AC_CHECK_HEADER([iostream],[
    AC_DEFINE([HAVE_IOSTREAM],[1],[Define to 1 if you have the <iostream> header file.])
  ],[
    AC_CHECK_HEADERS([iostream.h])
  ])
])


dnl 
dnl AC_CXX_HAVE_FSTREAM_ATTACH
dnl Defines macro HAVE_FSTREAM_ATTACH if we have:
dnl  void ofstream::attach (int FILE)
dnl 

AC_DEFUN([AC_CXX_HAVE_FSTREAM_ATTACH],[
  AC_REQUIRE([AC_CXX_HAVE_STD_IOSTREAM])
  AC_CACHE_CHECK([for fstream::attach()],[ac_cv_cxx_have_fstream_attach],[
    ac_cv_cxx_have_fstream_attach=no
    AC_LANG_SAVE
    AC_LANG_CPLUSPLUS
    AC_TRY_COMPILE([
#ifdef HAVE_IOSTREAM
#include <fstream>
#else
#include <fstream.h>
#endif
#ifdef HAVE_STD_IOSTREAM
using namespace std;
#endif
],[int fd=0;ofstream s;s.attach(fd);],
      [ac_cv_cxx_have_fstream_attach=yes])
    AC_LANG_RESTORE
  ])
  if test "$ac_cv_cxx_have_fstream_attach" = yes; then
    AC_DEFINE([HAVE_FSTREAM_ATTACH],[1],[define if we have fstream::attach().])
  fi
])


dnl 
dnl AC_CXX_HAVE_FSTREAM_OPEN
dnl Defines macro HAVE_FSTREAM_OPEN if we have:
dnl  void ofstream::open (const char* FNAME, int MODE)
dnl Defines macro FSTREAM_OPEN_PROT if we have:
dnl  void ofstream::open (const char* FNAME, int MODE, int PROT)
dnl 

AC_DEFUN([AC_CXX_HAVE_FSTREAM_OPEN],[
  AC_REQUIRE([AC_CXX_HAVE_STD_IOSTREAM])
  AC_CACHE_CHECK([for fstream::open()],[ac_cv_cxx_have_fstream_open],[
    ac_cv_cxx_have_fstream_open=no
    ac_cv_cxx_fstream_open_prot=no
    AC_LANG_SAVE
    AC_LANG_CPLUSPLUS
    # Try with 2 parameters
    AC_TRY_COMPILE([
#ifdef HAVE_IOSTREAM
#include <fstream>
#else
#include <fstream.h>
#endif
#ifdef HAVE_STD_IOSTREAM
using namespace std;
#endif
],[ofstream s;s.open("conftest.txt",ios::out|ios::trunc);],
      [ac_cv_cxx_have_fstream_open=yes])
    # Try with mode parameter
    AC_TRY_COMPILE([
#ifdef HAVE_IOSTREAM
#include <fstream>
#else
#include <fstream.h>
#endif
#ifdef HAVE_STD_IOSTREAM
using namespace std;
#endif
],[ofstream s;s.open("conftest.txt",ios::out|ios::trunc,0666);],
      [ac_cv_cxx_fstream_open_prot=yes])
    AC_LANG_RESTORE
  ])
  if test "$ac_cv_cxx_have_fstream_open" = yes; then
    AC_DEFINE([HAVE_FSTREAM_OPEN],[1],
      [define if we have fstream::open().])
  fi
  if test "$ac_cv_cxx_fstream_open_prot" = yes; then
    AC_DEFINE([FSTREAM_OPEN_PROT],[1],
      [define if fstream::open() accepts third parameter.])
  fi
])


dnl 
dnl AC_CXX_HAVE_IOMANIP
dnl Looks for <iomanip> or else <iomanip.h>.
dnl 

AC_DEFUN([AC_CXX_HAVE_IOMANIP],[
  AC_CHECK_HEADER([iomanip],[
    AC_DEFINE([HAVE_IOMANIP],[1],[Define to 1 if you have the <iomanip> header file.])
  ],[
    AC_CHECK_HEADERS([iomanip.h])
  ])
])


dnl 
dnl AC_CXX_HAVE_STD_IOSTREAM
dnl Defines macro HAVE_STD_IOSTREAM if this works:
dnl  #include <iostream>
dnl  std::cout<<"Hello World"<<std::endl;
dnl 

AC_DEFUN([AC_CXX_HAVE_STD_IOSTREAM],[
  AC_REQUIRE([AC_CXX_NAMESPACES])
  AC_REQUIRE([AC_CXX_HAVE_IOSTREAM])
  AC_CACHE_CHECK([for C++ iostream in namespace std],
    ac_cv_cxx_have_std_iostream,[
      ac_cv_cxx_have_std_iostream=no
      ac_cv_cxx_need_use_std_iostream=no
      if test "x$ac_cv_cxx_namespaces" = xyes; then
        AC_LANG_SAVE
        AC_LANG_CPLUSPLUS
        AC_TRY_COMPILE([
#ifdef HAVE_IOSTREAM
#include <iostream>
#else
#include <iostream.h>
#endif
],[std::cout<<"Hello World"<<std::endl;return 0;],
          [ac_cv_cxx_have_std_iostream=yes])
        AC_TRY_COMPILE([
#define __USE_STD_IOSTREAM 1
#ifdef HAVE_IOSTREAM
#include <iostream>
#else
#include <iostream.h>
#endif
],[std::cout<<"Hello World"<<std::endl;return 0;],
          [ac_cv_cxx_have_std_iostream=yes;ac_cv_cxx_need_use_std_iostream=yes])
        AC_LANG_RESTORE
      fi
  ])
  if test "$ac_cv_cxx_have_std_iostream" = yes; then
    AC_DEFINE([HAVE_STD_IOSTREAM],[1],[define if C++ iostream is in namespace std.])
  fi
  if test "$ac_cv_cxx_need_use_std_iostream" = yes; then
    AC_DEFINE([__USE_STD_IOSTREAM],[1],[needed by DEC/Compaq/HP cxx to activate ANSI standard iostream.])
  fi
])


dnl 
dnl AC_CXX_HAVE_STD_STL
dnl Defines macro HAVE_STD_STL if this works:
dnl  #include <list>
dnl  std::list<int> foo;
dnl 

AC_DEFUN([AC_CXX_HAVE_STD_STL],[
  AC_REQUIRE([AC_CXX_NAMESPACES])
  AC_REQUIRE([AC_CXX_HAVE_STL])
  AC_CACHE_CHECK([for C++ Standard Template Library in namespace std.],
    ac_cv_cxx_have_std_stl,[
      ac_cv_cxx_have_std_stl=no
      if test "x$ac_cv_cxx_namespaces" = xyes; then
        AC_LANG_SAVE
        AC_LANG_CPLUSPLUS
        AC_TRY_COMPILE([#include <list>
          ],[std::list<int> foo;return 0;],
          [ac_cv_cxx_have_std_stl=yes])
        AC_LANG_RESTORE
      fi
  ])
  if test "$ac_cv_cxx_have_std_stl" = yes; then
    AC_DEFINE([HAVE_STD_STL],[1],[define if C++ Standard Template Library is in namespace std])
  fi
])

Revision:	811
Committed:	Thu Dec 15 14:47:17 2005 UTC (19 years, 11 months ago) by gezelter
Original Path:	*trunk/ac-tools/AC_CXX_STD.m4*
File size:	6122 byte(s)
Log Message:	Adding checks for various features used by ANTLR
#	User	Rev	Content
1	gezelter	811	dnl
2			dnl AC_CXX_STD
3			dnl
4			dnl Description
5			dnl
6			dnl Tests for various things that we might expect to find in
7			dnl C++ namespace std.
8			dnl
9			dnl Looks for <iostream> or else <iostream.h>.
10			dnl Looks for <iomanip> or else <iomanip.h>.
11			dnl Looks for <cmath>.
12			dnl Defines macro HAVE_FSTREAM_ATTACH if we have:
13			dnl void ofstream::attach (int FILE)
14			dnl Defines macro HAVE_FSTREAM_OPEN if we have:
15			dnl void ofstream::open (const char* FNAME, int MODE)
16			dnl Defines macro FSTREAM_OPEN_PROT if we have:
17			dnl void ofstream::open (const char* FNAME, int MODE, int PROT)
18			dnl Defines macro HAVE_STD_IOSTREAM if this works:
19			dnl #include <iostream>
20			dnl std::cout<<"Hello World"<<std::endl;
21			dnl Defines macro HAVE_STD_STL if this works:
22			dnl #include <list>
23			dnl std::list<int> foo;
24			dnl
25			dnl Copyright (C) 2003, Alex Tingle <alex.autoconf@firetree.net>
26			dnl
27			dnl License:
28			dnl GNU General Public License
29			dnl [http://www.gnu.org/software/ac-archive/htmldoc/COPYING.html]
30			dnl with this special exception
31			dnl [http://www.gnu.org/software/ac-archive/htmldoc/COPYING-Exception.html].
32			dnl
33
34			AC_DEFUN([AC_CXX_STD],[
35			AC_CXX_HAVE_IOSTREAM
36			AC_CXX_HAVE_IOMANIP
37			AC_CHECK_HEADERS([cmath])
38			AC_CXX_HAVE_STD_IOSTREAM
39			AC_CXX_HAVE_STD_STL
40			AC_CXX_HAVE_FSTREAM_ATTACH
41			AC_CXX_HAVE_FSTREAM_OPEN
42			])
43
44
45			dnl
46			dnl AC_CXX_HAVE_IOSTREAM
47			dnl Looks for <iostream> or else <iostream.h>.
48			dnl
49
50			AC_DEFUN([AC_CXX_HAVE_IOSTREAM],[
51			AC_CHECK_HEADER([iostream],[
52			AC_DEFINE([HAVE_IOSTREAM],[1],[Define to 1 if you have the <iostream> header file.])
53			],[
54			AC_CHECK_HEADERS([iostream.h])
55			])
56			])
57
58
59			dnl
60			dnl AC_CXX_HAVE_FSTREAM_ATTACH
61			dnl Defines macro HAVE_FSTREAM_ATTACH if we have:
62			dnl void ofstream::attach (int FILE)
63			dnl
64
65			AC_DEFUN([AC_CXX_HAVE_FSTREAM_ATTACH],[
66			AC_REQUIRE([AC_CXX_HAVE_STD_IOSTREAM])
67			AC_CACHE_CHECK([for fstream::attach()],[ac_cv_cxx_have_fstream_attach],[
68			ac_cv_cxx_have_fstream_attach=no
69			AC_LANG_SAVE
70			AC_LANG_CPLUSPLUS
71			AC_TRY_COMPILE([
72			#ifdef HAVE_IOSTREAM
73			#include <fstream>
74			#else
75			#include <fstream.h>
76			#endif
77			#ifdef HAVE_STD_IOSTREAM
78			using namespace std;
79			#endif
80			],[int fd=0;ofstream s;s.attach(fd);],
81			[ac_cv_cxx_have_fstream_attach=yes])
82			AC_LANG_RESTORE
83			])
84			if test "$ac_cv_cxx_have_fstream_attach" = yes; then
85			AC_DEFINE([HAVE_FSTREAM_ATTACH],[1],[define if we have fstream::attach().])
86			fi
87			])
88
89
90			dnl
91			dnl AC_CXX_HAVE_FSTREAM_OPEN
92			dnl Defines macro HAVE_FSTREAM_OPEN if we have:
93			dnl void ofstream::open (const char* FNAME, int MODE)
94			dnl Defines macro FSTREAM_OPEN_PROT if we have:
95			dnl void ofstream::open (const char* FNAME, int MODE, int PROT)
96			dnl
97
98			AC_DEFUN([AC_CXX_HAVE_FSTREAM_OPEN],[
99			AC_REQUIRE([AC_CXX_HAVE_STD_IOSTREAM])
100			AC_CACHE_CHECK([for fstream::open()],[ac_cv_cxx_have_fstream_open],[
101			ac_cv_cxx_have_fstream_open=no
102			ac_cv_cxx_fstream_open_prot=no
103			AC_LANG_SAVE
104			AC_LANG_CPLUSPLUS
105			# Try with 2 parameters
106			AC_TRY_COMPILE([
107			#ifdef HAVE_IOSTREAM
108			#include <fstream>
109			#else
110			#include <fstream.h>
111			#endif
112			#ifdef HAVE_STD_IOSTREAM
113			using namespace std;
114			#endif
115			],[ofstream s;s.open("conftest.txt",ios::out\|ios::trunc);],
116			[ac_cv_cxx_have_fstream_open=yes])
117			# Try with mode parameter
118			AC_TRY_COMPILE([
119			#ifdef HAVE_IOSTREAM
120			#include <fstream>
121			#else
122			#include <fstream.h>
123			#endif
124			#ifdef HAVE_STD_IOSTREAM
125			using namespace std;
126			#endif
127			],[ofstream s;s.open("conftest.txt",ios::out\|ios::trunc,0666);],
128			[ac_cv_cxx_fstream_open_prot=yes])
129			AC_LANG_RESTORE
130			])
131			if test "$ac_cv_cxx_have_fstream_open" = yes; then
132			AC_DEFINE([HAVE_FSTREAM_OPEN],[1],
133			[define if we have fstream::open().])
134			fi
135			if test "$ac_cv_cxx_fstream_open_prot" = yes; then
136			AC_DEFINE([FSTREAM_OPEN_PROT],[1],
137			[define if fstream::open() accepts third parameter.])
138			fi
139			])
140
141
142			dnl
143			dnl AC_CXX_HAVE_IOMANIP
144			dnl Looks for <iomanip> or else <iomanip.h>.
145			dnl
146
147			AC_DEFUN([AC_CXX_HAVE_IOMANIP],[
148			AC_CHECK_HEADER([iomanip],[
149			AC_DEFINE([HAVE_IOMANIP],[1],[Define to 1 if you have the <iomanip> header file.])
150			],[
151			AC_CHECK_HEADERS([iomanip.h])
152			])
153			])
154
155
156			dnl
157			dnl AC_CXX_HAVE_STD_IOSTREAM
158			dnl Defines macro HAVE_STD_IOSTREAM if this works:
159			dnl #include <iostream>
160			dnl std::cout<<"Hello World"<<std::endl;
161			dnl
162
163			AC_DEFUN([AC_CXX_HAVE_STD_IOSTREAM],[
164			AC_REQUIRE([AC_CXX_NAMESPACES])
165			AC_REQUIRE([AC_CXX_HAVE_IOSTREAM])
166			AC_CACHE_CHECK([for C++ iostream in namespace std],
167			ac_cv_cxx_have_std_iostream,[
168			ac_cv_cxx_have_std_iostream=no
169			ac_cv_cxx_need_use_std_iostream=no
170			if test "x$ac_cv_cxx_namespaces" = xyes; then
171			AC_LANG_SAVE
172			AC_LANG_CPLUSPLUS
173			AC_TRY_COMPILE([
174			#ifdef HAVE_IOSTREAM
175			#include <iostream>
176			#else
177			#include <iostream.h>
178			#endif
179			],[std::cout<<"Hello World"<<std::endl;return 0;],
180			[ac_cv_cxx_have_std_iostream=yes])
181			AC_TRY_COMPILE([
182			#define __USE_STD_IOSTREAM 1
183			#ifdef HAVE_IOSTREAM
184			#include <iostream>
185			#else
186			#include <iostream.h>
187			#endif
188			],[std::cout<<"Hello World"<<std::endl;return 0;],
189			[ac_cv_cxx_have_std_iostream=yes;ac_cv_cxx_need_use_std_iostream=yes])
190			AC_LANG_RESTORE
191			fi
192			])
193			if test "$ac_cv_cxx_have_std_iostream" = yes; then
194			AC_DEFINE([HAVE_STD_IOSTREAM],[1],[define if C++ iostream is in namespace std.])
195			fi
196			if test "$ac_cv_cxx_need_use_std_iostream" = yes; then
197			AC_DEFINE([__USE_STD_IOSTREAM],[1],[needed by DEC/Compaq/HP cxx to activate ANSI standard iostream.])
198			fi
199			])
200
201
202			dnl
203			dnl AC_CXX_HAVE_STD_STL
204			dnl Defines macro HAVE_STD_STL if this works:
205			dnl #include <list>
206			dnl std::list<int> foo;
207			dnl
208
209			AC_DEFUN([AC_CXX_HAVE_STD_STL],[
210			AC_REQUIRE([AC_CXX_NAMESPACES])
211			AC_REQUIRE([AC_CXX_HAVE_STL])
212			AC_CACHE_CHECK([for C++ Standard Template Library in namespace std.],
213			ac_cv_cxx_have_std_stl,[
214			ac_cv_cxx_have_std_stl=no
215			if test "x$ac_cv_cxx_namespaces" = xyes; then
216			AC_LANG_SAVE
217			AC_LANG_CPLUSPLUS
218			AC_TRY_COMPILE([#include <list>
219			],[std::list<int> foo;return 0;],
220			[ac_cv_cxx_have_std_stl=yes])
221			AC_LANG_RESTORE
222			fi
223			])
224			if test "$ac_cv_cxx_have_std_stl" = yes; then
225			AC_DEFINE([HAVE_STD_STL],[1],[define if C++ Standard Template Library is in namespace std])
226			fi
227			])
228