fix: tinycc add conftest

lib/tinycc/.gitignore

@@ -25,7 +25,6 @@ config*.h
 *_.h
 config*.mak
 config.texi
-conftest*
 c2str
 tags
 TAGS

lib/tinycc/conftest.c

@@ -0,0 +1,308 @@
+/* ----------------------------------------------------------------------- */
+/* with -D C2STR: convert tccdefs.h to C-strings */
+
+#if C2STR
+
+#include <stdio.h>
+#include <string.h>
+
+/* replace native host macros by compile-time versions */
+const char *platform_macros[] = {
+    "__i386__",             "TCC_TARGET_I386",
+    "__x86_64__",           "TCC_TARGET_X86_64",
+    "_WIN32",               "TCC_TARGET_PE",
+    "__arm__",              "TCC_TARGET_ARM",
+    "__ARM_EABI__",         "TCC_ARM_EABI",
+    "__aarch64__",          "TCC_TARGET_ARM64",
+    "__riscv",              "TCC_TARGET_RISCV64",
+    "__APPLE__",            "TCC_TARGET_MACHO",
+    "__FreeBSD__",          "TARGETOS_FreeBSD",
+    "__FreeBSD_kernel__",   "TARGETOS_FreeBSD_kernel",
+    "__OpenBSD__",          "TARGETOS_OpenBSD",
+    "__NetBSD__",           "TARGETOS_NetBSD",
+    "__linux__",            "TARGETOS_Linux",
+    "__ANDROID__",          "TARGETOS_ANDROID",
+
+    "__SIZEOF_POINTER__",   "PTR_SIZE",
+    "__SIZEOF_LONG__",      "LONG_SIZE",
+    0
+};
+
+int isid(int c)
+{
+    return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
+        || (c >= '0' && c <= '9') || c == '_';
+}
+
+int isspc(int c)
+{
+    return (unsigned char)c <= ' ' && c != 0;
+}
+
+int main(int argc, char **argv)
+{
+    char l[1000], l2[1000], *p, *q, *p0;
+    FILE *fp, *op;
+    int c, e, f, s, cmt, cmt_n;
+    const char *r;
+
+    if (argc < 3)
+        return 1;
+
+    fp = fopen(argv[1], "rb");
+    op = fopen(argv[2], "wb");
+    if (!fp || !op) {
+        fprintf(stderr, "c2str: file error\n");
+        return 1;
+    }
+
+    cmt = cmt_n = 0;
+    for (;;) {
+        p = l;
+    append:
+        if (fgets(p, sizeof l - (p - l), fp)) {
+            p = strchr(p, 0);
+            while (p > l && isspc(p[-1]))
+                --p;
+            *p = 0;
+        } else if (p == l)
+            break;
+
+        /* check for continuation */
+        if (p > l && p[-1] == '\\') {
+            p[-1] = ' ';
+            goto append;
+        }
+
+        /* count & skip leading spaces */
+        p = l, q = l2, f = 0;
+        while (*p && isspc(*p))
+            ++p, ++f;
+
+        /* handle comments */
+        if (p[0] == '/' && cmt == 0) {
+            if (p[1] == '*')
+                cmt = 2;
+            if (p[1] == '/')
+                cmt = 1;
+        }
+        if (cmt) {
+            fprintf(op, "%s", l);
+            if (++cmt_n == 1)
+                fprintf(op, " (converted, do not edit this file)");
+            fprintf(op, "\n");
+            if (cmt == 1)
+                cmt = 0;
+            if (cmt == 2) {
+                p = strchr(l, 0);
+                if (p >= l + 2 && p[-1] == '/' && p[-2] == '*')
+                    cmt = 0;
+            }
+            continue;
+        }
+
+        if (f < 4) {
+            do {
+                /* replace machine/os macros by compile-time counterparts */
+                for (e = f = 0; (r = platform_macros[f]); f += 2) {
+                    c = strlen(r);
+                    /* remove 'defined' */
+                    //e = memcmp(p, "defined ", 8) ? 0 : 8;
+                    if (0 == memcmp(p + e, r, c)) {
+                        p += e + c;
+                        q = strchr(strcpy(q, platform_macros[f + 1]), 0);
+                        break;
+                    }
+
+                }
+                if (r)
+                    continue;
+            } while (!!(*q++ = *p++));
+            /* output as is */
+            fprintf(op, "%s\n", l2);
+            continue;
+
+        } else {
+            s = e = f = 0, p0 = p;
+            for (;;) {
+                c = *p++;
+
+                if (isspc(c)) {
+                    s = 1;
+                    continue;
+                }
+                if (c == '/' && (p[0] == '/' || p[0] == '*'))
+                    c = 0; /* trailing comment detected */
+                else if (s && q > l2
+                    && ((isid(q[-1]) && isid(c))
+                        // keep space after macro name
+                        || (q >= l2 + 2
+                            && l2[0] == '#'
+                            && l2[1] == 'd'
+                            && f < 2 && !e
+                            )))
+                    *q++ = ' ', ++f;
+                s = 0;
+
+                if (c == '(')
+                    ++e;
+                if (c == ')')
+                    --e;
+                if (c == '\\' || c == '\"')
+                    *q++ = '\\';
+                *q++ = c;
+                if (c == 0)
+                    break;
+                p0 = p;
+            }
+            /* output with quotes */
+            fprintf(op, "    \"%s\\n\"%s\n", l2, p0);
+        }
+    }
+
+    fclose(fp);
+    fclose(op);
+    return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+/* get some information from the host compiler for configure */
+
+#elif 1
+
+#include <stdio.h>
+
+#if defined(_WIN32)
+#include <fcntl.h>
+#include <io.h>
+int _CRT_glob = 0;
+#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(__NetBSD__)
+# define TRIPLET_OS "netbsd"
+#elif defined(__OpenBSD__)
+# define TRIPLET_OS "openbsd"
+#elif defined(_WIN32)
+# define TRIPLET_OS "win32"
+#elif defined(__APPLE__)
+# define TRIPLET_OS "darwin"
+#elif !defined (__GNU__)
+# define TRIPLET_OS "unknown"
+#endif
+
+#if defined __ANDROID__
+# define ABI_PREFIX "android"
+#else
+# define ABI_PREFIX "gnu"
+#endif
+
+/* Define calling convention and ABI */
+#if defined (__ARM_EABI__)
+# if defined (__ARM_PCS_VFP)
+#  define TRIPLET_ABI ABI_PREFIX"eabihf"
+# else
+#  define TRIPLET_ABI ABI_PREFIX"eabi"
+# endif
+#else
+# define TRIPLET_ABI ABI_PREFIX
+#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
+
+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'://igendian
+        {
+            volatile unsigned foo = 0x01234567;
+            puts(*(unsigned char*)&foo == 0x67 ? "no" : "yes");
+            break;
+        }
+#if defined(__clang__)
+        case 'm'://inor
+            printf("%d\n", __clang_minor__);
+            break;
+        case 'v'://ersion
+            printf("%d\n", __clang_major__);
+            break;
+#elif defined(__TINYC__)
+        case 'v'://ersion
+            puts("0");
+            break;
+        case 'm'://inor
+            printf("%d\n", __TINYC__);
+            break;
+#elif defined(_MSC_VER)
+        case 'v'://ersion
+            puts("0");
+            break;
+        case 'm'://inor
+            printf("%d\n", _MSC_VER);
+            break;
+#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
+        /* GNU comes last as other compilers may add 'GNU' compatibility */
+        case 'm'://inor
+            printf("%d\n", __GNUC_MINOR__);
+            break;
+        case 'v'://ersion
+            printf("%d\n", __GNUC__);
+            break;
+#else
+        case 'm'://inor
+        case 'v'://ersion
+            puts("0");
+            break;
+#endif
+        case 't'://riplet
+            puts(TRIPLET);
+            break;
+        case 'c'://ompiler
+#if defined(__clang__)
+            puts("clang");
+#elif defined(__TINYC__)
+            puts("tcc");
+#elif defined(_MSC_VER)
+            puts("msvc");
+#elif defined(__GNUC__)
+            puts("gcc");
+#else
+            puts("unknown");
+#endif
+            break;
+        default:
+            break;
+    }
+    return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+#endif