kwsysPlatformTestsCXX.cxx 13.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11
/*============================================================================
  KWSys - Kitware System Library
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
12 13 14 15 16 17 18 19 20
// Setup for tests that use result of stl namespace test.
#if defined(KWSYS_STL_HAVE_STD)
# if KWSYS_STL_HAVE_STD
#  define kwsys_stl std
# else
#  define kwsys_stl
# endif
#endif

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
// Setup for tests that use iostreams.
#if defined(KWSYS_IOS_USE_ANSI) && defined(KWSYS_IOS_HAVE_STD)
# if defined(_MSC_VER)
#  pragma warning (push,1)
# endif
# if KWSYS_IOS_USE_ANSI
#  include <iostream>
# else
#  include <iostream.h>
# endif
# if defined(_MSC_VER)
#  pragma warning (pop)
# endif
# if KWSYS_IOS_HAVE_STD
#  define kwsys_ios std
# else
#  define kwsys_ios
# endif
#endif

41
#ifdef TEST_KWSYS_STL_HAVE_STD
42
#include <list>
43
void f(std ::list<int>*) {}
44 45 46
int main() { return 0; }
#endif

47
#ifdef TEST_KWSYS_IOS_USE_ANSI
48 49 50 51
#include <iosfwd>
int main() { return 0; }
#endif

52
#ifdef TEST_KWSYS_IOS_HAVE_STD
53
#include <iosfwd>
54
void f(std ::ostream*) {}
55 56
int main() { return 0; }
#endif
57

58 59 60 61 62 63 64 65 66 67 68 69 70 71
#ifdef TEST_KWSYS_STL_STRING_HAVE_OSTREAM
# include <iostream.h>
# include <string>
void f(ostream& os, const kwsys_stl::string& s) { os << s; }
int main() { return 0; }
#endif

#ifdef TEST_KWSYS_STL_STRING_HAVE_ISTREAM
# include <iostream.h>
# include <string>
void f(istream& is, kwsys_stl::string& s) { is >> s; }
int main() { return 0; }
#endif

72 73 74 75 76 77
#ifdef TEST_KWSYS_STL_STRING_HAVE_NEQ_CHAR
# include <string>
bool f(const kwsys_stl::string& s) { return s != ""; }
int main() { return 0; }
#endif

78 79 80 81 82
#ifdef TEST_KWSYS_CXX_HAS_CSTDIO
#include <cstdio>
int main() { return 0; }
#endif

83 84 85 86 87 88
#ifdef TEST_KWSYS_CXX_HAS_CSTDDEF
#include <cstddef>
void f(size_t) {}
int main() { return 0; }
#endif

89 90 91 92 93 94 95 96 97
#ifdef TEST_KWSYS_CXX_HAS_LONG_LONG
long long f(long long n) { return n; }
int main()
{
  long long n = 0;
  return static_cast<int>(f(n));
}
#endif

98 99 100 101 102 103 104 105 106
#ifdef TEST_KWSYS_CXX_HAS___INT64
__int64 f(__int64 n) { return n; }
int main()
{
  __int64 n = 0;
  return static_cast<int>(f(n));
}
#endif

107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
#ifdef TEST_KWSYS_CXX_HAS_NULL_TEMPLATE_ARGS
template <class T> class A;
template <class T> int f(A<T>&);
template <class T> class A
{
public:
  // "friend int f<>(A<T>&)" would conform
  friend int f(A<T>&);
private:
  int x;
};

template <class T> int f(A<T>& a) { return a.x = 0; }
template int f(A<int>&);

int main()
{
  A<int> a;
  return f(a);
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_MEMBER_TEMPLATES
template <class U>
class A
{
public:
134 135 136
  U u;
  A(): u(0) {}
  template <class V> V m(V* p) { return *p = u; }
137 138 139 140
};

int main()
{
141 142
  A<short> a;
  int s = 1;
143 144 145 146 147 148 149 150 151 152 153 154 155
  return a.m(&s);
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_FULL_SPECIALIZATION
template <class T> struct A {};
template <> struct A<int*>
{
  static int f() { return 0; }
};
int main() { return A<int*>::f(); }
#endif

156 157 158 159 160 161 162 163 164 165 166 167 168 169
#ifdef TEST_KWSYS_CXX_HAS_ARGUMENT_DEPENDENT_LOOKUP
namespace N
{
  class A {};
  int f(A*) { return 0; }
}
void f(void*);
int main()
{
  N::A* a = 0;
  return f(a);
}
#endif

170 171
#ifdef TEST_KWSYS_STL_HAS_ITERATOR_TRAITS
#include <iterator>
172 173
#include <list>
void f(kwsys_stl::iterator_traits<kwsys_stl::list<int>::iterator>::iterator_category const&) {}
174 175 176 177 178
int main() { return 0; }
#endif

#ifdef TEST_KWSYS_STL_HAS_ITERATOR_CATEGORY
#include <iterator>
179 180
#include <list>
void f(kwsys_stl::list<int>::iterator x) { kwsys_stl::iterator_category(x); }
181 182 183 184 185
int main() { return 0; }
#endif

#ifdef TEST_KWSYS_STL_HAS___ITERATOR_CATEGORY
#include <iterator>
186 187
#include <list>
void f(kwsys_stl::list<int>::iterator x) { kwsys_stl::__iterator_category(x); }
188 189 190
int main() { return 0; }
#endif

191 192 193 194 195 196
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_TEMPLATE
#include <memory>
template <class Alloc>
void f(const Alloc&)
{
  typedef typename Alloc::size_type alloc_size_type;
Brad King's avatar
Brad King committed
197
}
198 199 200 201 202 203 204
int main()
{
  f(kwsys_stl::allocator<char>());
  return 0;
}
#endif

205 206
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_NONTEMPLATE
#include <memory>
207
void f(kwsys_stl::allocator::size_type const&) {}
208 209 210
int main() { return 0; }
#endif

211 212 213 214 215 216
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_REBIND
#include <memory>
template <class T, class Alloc>
void f(const T&, const Alloc&)
{
  typedef typename Alloc::template rebind<T>::other alloc_type;
Brad King's avatar
Brad King committed
217
}
218 219
int main()
{
220
  f(0, kwsys_stl::allocator<char>());
221 222 223 224
  return 0;
}
#endif

225 226 227 228 229
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_MAX_SIZE_ARGUMENT
#include <memory>
void f(kwsys_stl::allocator<char> const& a)
{
  a.max_size(sizeof(int));
Brad King's avatar
Brad King committed
230
}
231 232 233 234 235 236 237
int main()
{
  f(kwsys_stl::allocator<char>());
  return 0;
}
#endif

238 239 240 241 242
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_OBJECTS
#include <vector>
void f(kwsys_stl::vector<int> const& v1)
{
  kwsys_stl::vector<int>(1, 1, v1.get_allocator());
Brad King's avatar
Brad King committed
243
}
244 245 246 247 248 249 250
int main()
{
  f(kwsys_stl::vector<int>());
  return 0;
}
#endif

251 252 253 254 255 256 257 258 259 260 261 262
#ifdef TEST_KWSYS_STAT_HAS_ST_MTIM
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
int main()
{
  struct stat stat1;
  (void)stat1.st_mtim.tv_sec;
  (void)stat1.st_mtim.tv_nsec;
  return 0;
}
#endif
263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298

#ifdef TEST_KWSYS_CXX_SAME_LONG_AND___INT64
void function(long**) {}
int main()
{
  __int64** p = 0;
  function(p);
  return 0;
}
#endif

#ifdef TEST_KWSYS_CXX_SAME_LONG_LONG_AND___INT64
void function(long long**) {}
int main()
{
  __int64** p = 0;
  function(p);
  return 0;
}
#endif

#ifdef TEST_KWSYS_CAN_CONVERT_UI64_TO_DOUBLE
void function(double& l, unsigned __int64 const& r)
{
  l = static_cast<double>(r);
}

int main()
{
  double tTo = 0.0;
  unsigned __int64 tFrom = 0;
  function(tTo, tFrom);
  return 0;
}
#endif

299 300 301 302 303 304 305 306 307 308 309
#ifdef TEST_KWSYS_IOS_HAVE_BINARY
int test_binary(int, ...)
{
  return 0;
}
int main()
{
  return test_binary(1, kwsys_ios::ios::binary);
}
#endif

310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
#ifdef TEST_KWSYS_IOS_HAS_ISTREAM_LONG_LONG
int test_istream(kwsys_ios::istream& is, long long& x)
{
  return (is >> x)? 1:0;
}
int main()
{
  long long x = 0;
  return test_istream(kwsys_ios::cin, x);
}
#endif

#ifdef TEST_KWSYS_IOS_HAS_OSTREAM_LONG_LONG
int test_ostream(kwsys_ios::ostream& os, long long x)
{
  return (os << x)? 1:0;
}
int main()
{
  long long x = 0;
  return test_ostream(kwsys_ios::cout, x);
}
#endif

334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357
#ifdef TEST_KWSYS_IOS_HAS_ISTREAM___INT64
int test_istream(kwsys_ios::istream& is, __int64& x)
{
  return (is >> x)? 1:0;
}
int main()
{
  __int64 x = 0;
  return test_istream(kwsys_ios::cin, x);
}
#endif

#ifdef TEST_KWSYS_IOS_HAS_OSTREAM___INT64
int test_ostream(kwsys_ios::ostream& os, __int64 x)
{
  return (os << x)? 1:0;
}
int main()
{
  __int64 x = 0;
  return test_ostream(kwsys_ios::cout, x);
}
#endif

358
#ifdef TEST_KWSYS_CHAR_IS_SIGNED
359
/* Return 0 for char signed and 1 for char unsigned.  */
360 361 362
int main()
{
  unsigned char uc = 255;
363
  return (*reinterpret_cast<char*>(&uc) < 0)?0:1;
364 365
}
#endif
366

367 368 369 370 371 372 373 374 375
#ifdef TEST_KWSYS_LFS_WORKS
/* Return 0 when LFS is available and 1 otherwise.  */
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _LARGE_FILES
#define _FILE_OFFSET_BITS 64
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
376 377 378
#if KWSYS_CXX_HAS_CSTDIO
# include <cstdio>
#endif
379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401
#include <stdio.h>

int main(int, char **argv)
{
  /* check that off_t can hold 2^63 - 1 and perform basic operations... */
#define OFF_T_64 (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  if (OFF_T_64 % 2147483647 != 1)
    return 1;

  // stat breaks on SCO OpenServer
  struct stat buf;
  stat( argv[0], &buf );
  if (!S_ISREG(buf.st_mode))
    return 2;

  FILE *file = fopen( argv[0], "r" );
  off_t offset = ftello( file );
  fseek( file, offset, SEEK_CUR );
  fclose( file );
  return 0;
}
#endif

402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427
#ifdef TEST_KWSYS_CXX_HAS_SETENV
#include <stdlib.h>
int main()
{
  return setenv("A", "B", 1);
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_UNSETENV
#include <stdlib.h>
int main()
{
  unsetenv("A");
  return 0;
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_ENVIRON_IN_STDLIB_H
#include <stdlib.h>
int main()
{
  char* e = environ[0];
  return e? 0:1;
}
#endif

428 429 430 431 432 433 434 435 436 437 438 439 440
#ifdef TEST_KWSYS_CXX_HAS_GETLOADAVG
// Match feature definitions from SystemInformation.cxx
#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
#include <stdlib.h>
int main()
{
  double loadavg[3] = { 0.0, 0.0, 0.0 };
  return getloadavg(loadavg, 3);
}
#endif

441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482
#ifdef TEST_KWSYS_CXX_HAS_RLIMIT64
# if defined(KWSYS_HAS_LFS)
#  define _LARGEFILE_SOURCE
#  define _LARGEFILE64_SOURCE
#  define _LARGE_FILES
#  define _FILE_OFFSET_BITS 64
# endif
# include <sys/resource.h>
int main()
{
  struct rlimit64 rlim;
  return getrlimit64(0,&rlim);
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_ATOLL
#include <stdlib.h>
int main()
{
  const char *str="1024";
  return static_cast<int>(atoll(str));
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_ATOL
#include <stdlib.h>
int main()
{
  const char *str="1024";
  return static_cast<int>(atol(str));
}
#endif

#ifdef TEST_KWSYS_CXX_HAS__ATOI64
#include <stdlib.h>
int main()
{
  const char *str="1024";
  return static_cast<int>(_atoi64(str));
}
#endif

483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501
#ifdef TEST_KWSYS_CXX_HAS_UTIMES
#include <sys/time.h>
int main()
{
  struct timeval* current_time = 0;
  return utimes("/example", current_time);
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_UTIMENSAT
#include <fcntl.h>
#include <sys/stat.h>
int main()
{
  struct timespec times[2] = {{0,UTIME_OMIT},{0,UTIME_NOW}};
  return utimensat(AT_FDCWD, "/example", times, AT_SYMLINK_NOFOLLOW);
}
#endif

502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
#ifdef TEST_KWSYS_CXX_HAS_BACKTRACE
#if defined(__PATHSCALE__) || defined(__PATHCC__) \
  || (defined(__LSB_VERSION__) && (__LSB_VERSION__ < 41))
backtrace doesnt work with this compiler or os
#endif
#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
#include <execinfo.h>
int main()
{
  void *stackSymbols[256];
  backtrace(stackSymbols,256);
  backtrace_symbols(&stackSymbols[0],1);
  return 0;
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_DLADDR
#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
#include <dlfcn.h>
int main()
{
  Dl_info info;
  int ierr=dladdr((void*)main,&info);
  return 0;
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_CXXABI
#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
537 538 539 540
#if defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5130 \
     && __linux && __SUNPRO_CC_COMPAT == 'G'
#  include <iostream>
#endif
541 542 543 544 545 546 547 548 549 550 551 552 553
#include <cxxabi.h>
int main()
{
  int status = 0;
  size_t bufferLen = 512;
  char buffer[512] = {'\0'};
  const char *function="_ZN5kwsys17SystemInformation15GetProgramStackEii";
  char *demangledFunction =
    abi::__cxa_demangle(function, buffer, &bufferLen, &status);
  return status;
}
#endif

554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639
#ifdef TEST_KWSYS_CXX_TYPE_INFO
/* Collect fundamental type information and save it to a CMake script.  */

/* Include limits.h to get macros indicating long long and __int64.
   Note that certain compilers need special macros to define these
   macros in limits.h.  */
#if defined(_MSC_VER) && !defined(_MSC_EXTENSIONS)
# define _MSC_EXTENSIONS
#endif
#if defined(__GNUC__) && __GNUC__ < 3
# define _GNU_SOURCE
#endif
#include <limits.h>

#include <stdio.h>
#include <string.h>

/* Due to shell differences and limitations of ADD_DEFINITIONS the
   KWSYS_CXX_TYPE_INFO_FILE macro will sometimes have double quotes
   and sometimes not.  This macro will make sure the value is treated
   as a double-quoted string.  */
#define TO_STRING(x) TO_STRING0(x)
#define TO_STRING0(x) TO_STRING1(x)
#define TO_STRING1(x) #x

void f() {}

int main()
{
  /* Construct the output file name.  Some preprocessors will add an
     extra level of double quotes, so strip them.  */
  char fbuf[] = TO_STRING(KWSYS_CXX_TYPE_INFO_FILE);
  char* fname = fbuf;
  if(fname[0] == '"')
    {
    ++fname;
    int len = static_cast<int>(strlen(fname));
    if(len > 0 && fname[len-1] == '"')
      {
      fname[len-1] = 0;
      }
    }

  /* Try to open the output file.  */
  if(FILE* fout = fopen(fname, "w"))
    {
    /* Set the size of standard types.  */
    fprintf(fout, "SET(KWSYS_SIZEOF_CHAR %d)\n", static_cast<int>(sizeof(char)));
    fprintf(fout, "SET(KWSYS_SIZEOF_SHORT %d)\n", static_cast<int>(sizeof(short)));
    fprintf(fout, "SET(KWSYS_SIZEOF_INT %d)\n", static_cast<int>(sizeof(int)));
    fprintf(fout, "SET(KWSYS_SIZEOF_LONG %d)\n", static_cast<int>(sizeof(long)));

    /* Set the size of some non-standard but common types.  */
    /* Check for a limits.h macro for long long to see if the type exists.  */
#if defined(LLONG_MAX) || defined(LONG_LONG_MAX) || defined(LONGLONG_MAX)
    fprintf(fout, "SET(KWSYS_SIZEOF_LONG_LONG %d)\n", static_cast<int>(sizeof(long long)));
#else
    fprintf(fout, "SET(KWSYS_SIZEOF_LONG_LONG 0) # No long long available.\n");
#endif
    /* Check for a limits.h macro for __int64 to see if the type exists.  */
#if defined(_I64_MIN)
    fprintf(fout, "SET(KWSYS_SIZEOF___INT64 %d)\n", static_cast<int>(sizeof(__int64)));
#else
    fprintf(fout, "SET(KWSYS_SIZEOF___INT64 0) # No __int64 available.\n");
#endif

    /* Set the size of some pointer types.  */
    fprintf(fout, "SET(KWSYS_SIZEOF_PDATA %d)\n", static_cast<int>(sizeof(void*)));
    fprintf(fout, "SET(KWSYS_SIZEOF_PFUNC %d)\n", static_cast<int>(sizeof(&f)));

    /* Set whether the native type "char" is signed or unsigned.  */
    unsigned char uc = 255;
    fprintf(fout, "SET(KWSYS_CHAR_IS_SIGNED %d)\n",
            (*reinterpret_cast<char*>(&uc) < 0)?1:0);

    fclose(fout);
    return 0;
    }
  else
    {
    fprintf(stderr, "Failed to write fundamental type info to \"%s\".\n",
            fname);
    return 1;
    }
}
#endif
640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666

#ifdef TEST_KWSYS_CXX_HAS_BORLAND_ASM
int main()
{
  int a = 1;
  __asm {
    xor EBX, EBX;
    mov a, EBX;
  }

  return a;
}
#endif

#ifdef TEST_KWSYS_CXX_HAS_BORLAND_ASM_CPUID
int main()
{
  int a = 0;
  __asm {
    xor EAX, EAX;
    cpuid;
    mov a, EAX;
  }

  return a;
}
#endif
667 668 669 670 671 672

#ifdef TEST_KWSYS_STL_HAS_WSTRING
#include <string>
void f(std ::wstring*) {}
int main() { return 0; }
#endif