mirror of
https://github.com/Kitware/CMake.git
synced 2025-12-30 18:29:37 -06:00
3af8c7715b
Code extracted from:
https://gitlab.kitware.com/utils/kwsys.git
at commit 8ef62b289e0a99856893ef49106c2b2d94e9dd0c (master).
Upstream Shortlog
-----------------
Brad King (2):
6b9c233c clang-format.bash: update to clang-format-6.0
b7a341cf Empty commit at end of history preceding clang-format-6.0 style transition
Kitware Robot (1):
828b6837 Revise C++ coding style using clang-format-6.0
109 lines
2.3 KiB
C
109 lines
2.3 KiB
C
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
|
|
/*
|
|
Macros to define main() in a cross-platform way.
|
|
|
|
Usage:
|
|
|
|
int KWSYS_PLATFORM_TEST_C_MAIN()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
|
|
{
|
|
(void)argc; (void)argv;
|
|
return 0;
|
|
}
|
|
*/
|
|
#if defined(__CLASSIC_C__)
|
|
# define KWSYS_PLATFORM_TEST_C_MAIN() main()
|
|
# define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
|
|
main(argc, argv) int argc; \
|
|
char* argv[];
|
|
#else
|
|
# define KWSYS_PLATFORM_TEST_C_MAIN() main(void)
|
|
# define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
|
|
main(int argc, char* argv[])
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_C_HAS_PTRDIFF_T
|
|
# include <stddef.h>
|
|
int f(ptrdiff_t n)
|
|
{
|
|
return n > 0;
|
|
}
|
|
int KWSYS_PLATFORM_TEST_C_MAIN()
|
|
{
|
|
char* p = 0;
|
|
ptrdiff_t d = p - p;
|
|
(void)d;
|
|
return f(p - p);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_C_HAS_SSIZE_T
|
|
# include <unistd.h>
|
|
int f(ssize_t n)
|
|
{
|
|
return (int)n;
|
|
}
|
|
int KWSYS_PLATFORM_TEST_C_MAIN()
|
|
{
|
|
ssize_t n = 0;
|
|
return f(n);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_C_HAS_CLOCK_GETTIME_MONOTONIC
|
|
# if defined(__APPLE__)
|
|
# include <AvailabilityMacros.h>
|
|
# if MAC_OS_X_VERSION_MIN_REQUIRED < 101200
|
|
# error "clock_gettime not available on macOS < 10.12"
|
|
# endif
|
|
# endif
|
|
# include <time.h>
|
|
int KWSYS_PLATFORM_TEST_C_MAIN()
|
|
{
|
|
struct timespec ts;
|
|
return clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_KWSYS_C_TYPE_MACROS
|
|
char* info_macros =
|
|
# if defined(__SIZEOF_SHORT__)
|
|
"INFO:macro[__SIZEOF_SHORT__]\n"
|
|
# endif
|
|
# if defined(__SIZEOF_INT__)
|
|
"INFO:macro[__SIZEOF_INT__]\n"
|
|
# endif
|
|
# if defined(__SIZEOF_LONG__)
|
|
"INFO:macro[__SIZEOF_LONG__]\n"
|
|
# endif
|
|
# if defined(__SIZEOF_LONG_LONG__)
|
|
"INFO:macro[__SIZEOF_LONG_LONG__]\n"
|
|
# endif
|
|
# if defined(__SHORT_MAX__)
|
|
"INFO:macro[__SHORT_MAX__]\n"
|
|
# endif
|
|
# if defined(__INT_MAX__)
|
|
"INFO:macro[__INT_MAX__]\n"
|
|
# endif
|
|
# if defined(__LONG_MAX__)
|
|
"INFO:macro[__LONG_MAX__]\n"
|
|
# endif
|
|
# if defined(__LONG_LONG_MAX__)
|
|
"INFO:macro[__LONG_LONG_MAX__]\n"
|
|
# endif
|
|
"";
|
|
|
|
int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
|
|
{
|
|
int require = 0;
|
|
require += info_macros[argc];
|
|
(void)argv;
|
|
return require;
|
|
}
|
|
#endif
|