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authorgus knight <waddlesplash@gmail.com>2015-07-27 16:03:25 -0400
committerAugustin Cavalier <waddlesplash@gmail.com>2015-07-27 16:03:25 -0400
commit47e06c6d4e542e47fcbad69a78c2436a854a0779 (patch)
treed979fb8f3372966c0ef3031c4edeaa8f017241d9 /src/conftest.c
parent694d0fdade8bff3bc03466675350f596b2f4f8ed (diff)
downloadtinycc-47e06c6d4e542e47fcbad69a78c2436a854a0779.tar.gz
tinycc-47e06c6d4e542e47fcbad69a78c2436a854a0779.tar.bz2
Reorganize the source tree.
* Documentation is now in "docs". * Source code is now in "src". * Misc. fixes here and there so that everything still works. I think I got everything in this commit, but I only tested this on Linux (Make) and Windows (CMake), so I might've messed something up on other platforms...
Diffstat (limited to 'src/conftest.c')
-rw-r--r--src/conftest.c77
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;
+}