1 files changed, 77 insertions, 0 deletions
diff --git a/src/conftest.c b/src/conftest.c
new file mode 100644
index 0000000..fa07a1b
--- /dev/null
+++ b/src/conftest.c
@@ -0,0 +1,77 @@
+#include <stdio.h>
+
+/* Define architecture */
+#if defined(__i386__)
+# define TRIPLET_ARCH "i386"
+#elif defined(__x86_64__)
+# define TRIPLET_ARCH "x86_64"
+#elif defined(__arm__)
+# define TRIPLET_ARCH "arm"
+#elif defined(__aarch64__)
+# define TRIPLET_ARCH "aarch64"
+#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 (__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
+
+#ifdef __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[])
+{
+    switch(argc == 2 ? argv[1][0] : 0) {
+        case 'b':
+        {
+            volatile unsigned foo = 0x01234567;
+            puts(*(unsigned char*)&foo == 0x67 ? "no" : "yes");
+            break;
+        }
+#ifdef __GNUC__
+        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 -1:
+            /* to test -Wno-unused-result */
+            fread(NULL, 1, 1, NULL);
+            break;
+    }
+    return 0;
+}