508 lines
11 KiB
C++
508 lines
11 KiB
C++
/*============================================================================
|
|
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.
|
|
============================================================================*/
|
|
// 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
|
|
|
|
// 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
|
|
|
|
#ifdef TEST_KWSYS_STL_HAVE_STD
|
|
#include <list>
|
|
void f(std ::list<int>*) {}
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_IOS_USE_ANSI
|
|
#include <iosfwd>
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_IOS_HAVE_STD
|
|
#include <iosfwd>
|
|
void f(std ::ostream*) {}
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_IOS_USE_SSTREAM
|
|
#include <sstream>
|
|
#if defined(__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ == 96
|
|
# error "GCC 2.96 stringstream is buggy"
|
|
#endif
|
|
int main()
|
|
{
|
|
std ::ostringstream ostr;
|
|
ostr << "hello";
|
|
if(ostr.str().size() == 5)
|
|
{
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_IOS_USE_STRSTREAM_H
|
|
#include <strstream.h>
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_IOS_USE_STRSTREA_H
|
|
#include <strstrea.h>
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#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
|
|
|
|
#ifdef TEST_KWSYS_STL_STRING_HAVE_NEQ_CHAR
|
|
# include <string>
|
|
bool f(const kwsys_stl::string& s) { return s != ""; }
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_CXX_HAS_CSTDIO
|
|
#include <cstdio>
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_CXX_HAS_CSTDDEF
|
|
#include <cstddef>
|
|
void f(size_t) {}
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#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
|
|
|
|
#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:
|
|
U u;
|
|
A(): u(0) {}
|
|
template <class V> V m(V* p) { return *p = u; }
|
|
};
|
|
|
|
int main()
|
|
{
|
|
A<short> a;
|
|
int s = 1;
|
|
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
|
|
|
|
#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
|
|
|
|
#ifdef TEST_KWSYS_STL_HAS_ITERATOR_TRAITS
|
|
#include <iterator>
|
|
#include <list>
|
|
void f(kwsys_stl::iterator_traits<kwsys_stl::list<int>::iterator>::iterator_category const&) {}
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_STL_HAS_ITERATOR_CATEGORY
|
|
#include <iterator>
|
|
#include <list>
|
|
void f(kwsys_stl::list<int>::iterator x) { kwsys_stl::iterator_category(x); }
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_STL_HAS___ITERATOR_CATEGORY
|
|
#include <iterator>
|
|
#include <list>
|
|
void f(kwsys_stl::list<int>::iterator x) { kwsys_stl::__iterator_category(x); }
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_TEMPLATE
|
|
#include <memory>
|
|
template <class Alloc>
|
|
void f(const Alloc&)
|
|
{
|
|
typedef typename Alloc::size_type alloc_size_type;
|
|
}
|
|
int main()
|
|
{
|
|
f(kwsys_stl::allocator<char>());
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_NONTEMPLATE
|
|
#include <memory>
|
|
void f(kwsys_stl::allocator::size_type const&) {}
|
|
int main() { return 0; }
|
|
#endif
|
|
|
|
#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;
|
|
}
|
|
int main()
|
|
{
|
|
f(0, kwsys_stl::allocator<char>());
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_MAX_SIZE_ARGUMENT
|
|
#include <memory>
|
|
void f(kwsys_stl::allocator<char> const& a)
|
|
{
|
|
a.max_size(sizeof(int));
|
|
}
|
|
int main()
|
|
{
|
|
f(kwsys_stl::allocator<char>());
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#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());
|
|
}
|
|
int main()
|
|
{
|
|
f(kwsys_stl::vector<int>());
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#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
|
|
|
|
#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
|
|
|
|
#ifdef TEST_KWSYS_IOS_HAVE_BINARY
|
|
int test_binary(int, ...)
|
|
{
|
|
return 0;
|
|
}
|
|
int main()
|
|
{
|
|
return test_binary(1, kwsys_ios::ios::binary);
|
|
}
|
|
#endif
|
|
|
|
#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
|
|
|
|
#ifdef TEST_KWSYS_CHAR_IS_SIGNED
|
|
/* Return 0 for char signed and 1 for char unsigned. */
|
|
int main()
|
|
{
|
|
unsigned char uc = 255;
|
|
return (*reinterpret_cast<char*>(&uc) < 0)?0:1;
|
|
}
|
|
#endif
|
|
|
|
#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>
|
|
#if KWSYS_CXX_HAS_CSTDIO
|
|
# include <cstdio>
|
|
#endif
|
|
#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
|
|
|
|
#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
|
|
|
|
#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
|