tinycc/conftest.c
2020-06-22 10:19:09 +02:00

117 lines
2.6 KiB
C

#include <stdio.h>
#if defined(_WIN32)
#include <fcntl.h>
#endif
/* Define architecture */
#if defined(__i386__) || defined _M_IX86
# define TRIPLET_ARCH "i386"
#elif defined(__x86_64__) || defined _M_AMD64
# define TRIPLET_ARCH "x86_64"
#elif defined(__arm__)
# define TRIPLET_ARCH "arm"
#elif defined(__aarch64__)
# define TRIPLET_ARCH "aarch64"
#elif defined(__riscv) && defined(__LP64__)
# define TRIPLET_ARCH "riscv64"
#else
# define TRIPLET_ARCH "unknown"
#endif
/* Define OS */
#if defined (__linux__)
# define TRIPLET_OS "linux"
#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
# define TRIPLET_OS "kfreebsd"
#elif defined(_WIN32)
# define TRIPLET_OS "win32"
#elif defined(__APPLE__)
# define TRIPLET_OS "darwin"
#elif !defined (__GNU__)
# define TRIPLET_OS "unknown"
#endif
/* Define calling convention and ABI */
#if defined (__ARM_EABI__)
# if defined (__ARM_PCS_VFP)
# define TRIPLET_ABI "gnueabihf"
# else
# define TRIPLET_ABI "gnueabi"
# endif
#else
# define TRIPLET_ABI "gnu"
#endif
#if defined _WIN32
# define TRIPLET TRIPLET_ARCH "-" TRIPLET_OS
#elif defined __GNU__
# define TRIPLET TRIPLET_ARCH "-" TRIPLET_ABI
#else
# define TRIPLET TRIPLET_ARCH "-" TRIPLET_OS "-" TRIPLET_ABI
#endif
#if defined(_WIN32)
int _CRT_glob = 0;
#endif
int main(int argc, char *argv[])
{
#if defined(_WIN32)
_setmode(_fileno(stdout), _O_BINARY); /* don't translate \n to \r\n */
#endif
switch(argc == 2 ? argv[1][0] : 0) {
case 'b':
{
volatile unsigned foo = 0x01234567;
puts(*(unsigned char*)&foo == 0x67 ? "no" : "yes");
break;
}
#if defined(__clang__)
case 'm':
printf("%d\n", __clang_minor__);
break;
case 'v':
printf("%d\n", __clang_major__);
break;
#elif defined(__TINYC__)
case 'v':
puts("0");
break;
case 'm':
printf("%d\n", __TINYC__);
break;
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
/* GNU comes last as other compilers may add 'GNU' compatibility */
case 'm':
printf("%d\n", __GNUC_MINOR__);
break;
case 'v':
printf("%d\n", __GNUC__);
break;
#else
case 'm':
case 'v':
puts("0");
break;
#endif
case 't':
puts(TRIPLET);
break;
case 'c':
#if defined(__clang__)
puts("clang");
#elif defined(__TINYC__)
puts("tcc");
#elif defined(__GNUC__)
puts("gcc");
#else
puts("unknown");
#endif
break;
default:
break;
}
return 0;
}