78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
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#include <stdio.h>
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/* Define architecture */
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#if defined(__i386__)
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# define TRIPLET_ARCH "i386"
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#elif defined(__x86_64__)
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# define TRIPLET_ARCH "x86_64"
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#elif defined(__arm__)
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# define TRIPLET_ARCH "arm"
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#elif defined(__aarch64__)
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# define TRIPLET_ARCH "aarch64"
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#else
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# define TRIPLET_ARCH "unknown"
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#endif
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/* Define OS */
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#if defined (__linux__)
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# define TRIPLET_OS "linux"
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#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
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# define TRIPLET_OS "kfreebsd"
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#elif !defined (__GNU__)
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# define TRIPLET_OS "unknown"
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#endif
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/* Define calling convention and ABI */
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#if defined (__ARM_EABI__)
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# if defined (__ARM_PCS_VFP)
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# define TRIPLET_ABI "gnueabihf"
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# else
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# define TRIPLET_ABI "gnueabi"
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# endif
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#else
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# define TRIPLET_ABI "gnu"
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#endif
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#ifdef __GNU__
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# define TRIPLET TRIPLET_ARCH "-" TRIPLET_ABI
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#else
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# define TRIPLET TRIPLET_ARCH "-" TRIPLET_OS "-" TRIPLET_ABI
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#endif
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#if defined(_WIN32)
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int _CRT_glob = 0;
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#endif
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int main(int argc, char *argv[])
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{
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switch(argc == 2 ? argv[1][0] : 0) {
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case 'b':
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{
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volatile unsigned foo = 0x01234567;
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puts(*(unsigned char*)&foo == 0x67 ? "no" : "yes");
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break;
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}
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#ifdef __GNUC__
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case 'm':
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printf("%d\n", __GNUC_MINOR__);
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break;
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case 'v':
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printf("%d\n", __GNUC__);
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break;
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#else
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case 'm':
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case 'v':
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puts("0");
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break;
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#endif
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case 't':
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puts(TRIPLET);
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break;
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case -1:
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/* to test -Wno-unused-result */
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fread(NULL, 1, 1, NULL);
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break;
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}
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return 0;
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}
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