| 1 |
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 |
|
