*/
#define _POSIX_C_SOURCE 200809L /* For pclose, popen, strdup */
+#define EXIT_BAD_USAGE 1
+#define EXIT_TROUBLE_RUNNING 2
+#define EXIT_BAD_TEST 3
+#define EXIT_BAD_INPUT 4
+
#include <errno.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#ifdef _MSC_VER
#define popen _popen
static const char *progname = "";
static int verbose;
+static bool like_a_libtool = false;
struct test {
const char *name;
+ const char *desc;
/*
* Template style flags (pick one):
* OUTSIDE_MAIN:
bool answer;
};
-static struct test tests[] = {
- { "HAVE_32BIT_OFF_T", "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
+/* Terminated by a NULL name */
+static struct test *tests;
+
+static const struct test base_tests[] = {
+ { "HAVE_32BIT_OFF_T", "off_t is 32 bits",
+ "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
"#include <sys/types.h>\n"
"int main(void) {\n"
" return sizeof(off_t) == 4 ? 0 : 1;\n"
"}\n" },
- { "HAVE_ALIGNOF", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_ALIGNOF", "__alignof__ support",
+ "INSIDE_MAIN", NULL, NULL,
"return __alignof__(double) > 0 ? 0 : 1;" },
- { "HAVE_ASPRINTF", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ASPRINTF", "asprintf() declaration",
+ "DEFINES_FUNC", NULL, NULL,
"#ifndef _GNU_SOURCE\n"
"#define _GNU_SOURCE\n"
"#endif\n"
" p = NULL;\n"
" return p;\n"
"}" },
- { "HAVE_ATTRIBUTE_COLD", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ATTRIBUTE_COLD", "__attribute__((cold)) support",
+ "DEFINES_FUNC", NULL, NULL,
"static int __attribute__((cold)) func(int x) { return x; }" },
- { "HAVE_ATTRIBUTE_CONST", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ATTRIBUTE_CONST", "__attribute__((const)) support",
+ "DEFINES_FUNC", NULL, NULL,
"static int __attribute__((const)) func(int x) { return x; }" },
- { "HAVE_ATTRIBUTE_PURE", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ATTRIBUTE_DEPRECATED", "__attribute__((deprecated)) support",
+ "DEFINES_FUNC", NULL, NULL,
+ "static int __attribute__((deprecated)) func(int x) { return x; }" },
+ { "HAVE_ATTRIBUTE_NONNULL", "__attribute__((nonnull)) support",
+ "DEFINES_FUNC", NULL, NULL,
+ "static char *__attribute__((nonnull)) func(char *p) { return p; }" },
+ { "HAVE_ATTRIBUTE_SENTINEL", "__attribute__((sentinel)) support",
+ "DEFINES_FUNC", NULL, NULL,
+ "static int __attribute__((sentinel)) func(int i, ...) { return i; }" },
+ { "HAVE_ATTRIBUTE_PURE", "__attribute__((pure)) support",
+ "DEFINES_FUNC", NULL, NULL,
"static int __attribute__((pure)) func(int x) { return x; }" },
- { "HAVE_ATTRIBUTE_MAY_ALIAS", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_ATTRIBUTE_MAY_ALIAS", "__attribute__((may_alias)) support",
+ "OUTSIDE_MAIN", NULL, NULL,
"typedef short __attribute__((__may_alias__)) short_a;" },
- { "HAVE_ATTRIBUTE_NORETURN", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ATTRIBUTE_NORETURN", "__attribute__((noreturn)) support",
+ "DEFINES_FUNC", NULL, NULL,
"#include <stdlib.h>\n"
"static void __attribute__((noreturn)) func(int x) { exit(x); }" },
- { "HAVE_ATTRIBUTE_PRINTF", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ATTRIBUTE_PRINTF", "__attribute__ format printf support",
+ "DEFINES_FUNC", NULL, NULL,
"static void __attribute__((format(__printf__, 1, 2))) func(const char *fmt, ...) { (void)fmt; }" },
- { "HAVE_ATTRIBUTE_UNUSED", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_ATTRIBUTE_UNUSED", "__attribute__((unused)) support",
+ "OUTSIDE_MAIN", NULL, NULL,
"static int __attribute__((unused)) func(int x) { return x; }" },
- { "HAVE_ATTRIBUTE_USED", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_ATTRIBUTE_USED", "__attribute__((used)) support",
+ "OUTSIDE_MAIN", NULL, NULL,
"static int __attribute__((used)) func(int x) { return x; }" },
- { "HAVE_BACKTRACE", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_BACKTRACE", "backtrace() in <execinfo.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#include <execinfo.h>\n"
"static int func(int x) {"
" void *bt[10];\n"
" return backtrace(bt, 10) < x;\n"
"}" },
- { "HAVE_BIG_ENDIAN", "INSIDE_MAIN|EXECUTE", NULL, NULL,
+ { "HAVE_BIG_ENDIAN", "big endian",
+ "INSIDE_MAIN|EXECUTE", NULL, NULL,
"union { int i; char c[sizeof(int)]; } u;\n"
"u.i = 0x01020304;\n"
"return u.c[0] == 0x01 && u.c[1] == 0x02 && u.c[2] == 0x03 && u.c[3] == 0x04 ? 0 : 1;" },
- { "HAVE_BSWAP_64", "DEFINES_FUNC", "HAVE_BYTESWAP_H", NULL,
+ { "HAVE_BSWAP_64", "bswap64 in byteswap.h",
+ "DEFINES_FUNC", "HAVE_BYTESWAP_H", NULL,
"#include <byteswap.h>\n"
"static int func(int x) { return bswap_64(x); }" },
- { "HAVE_BUILTIN_CHOOSE_EXPR", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CHOOSE_EXPR", "__builtin_choose_expr support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_choose_expr(1, 0, \"garbage\");" },
- { "HAVE_BUILTIN_CLZ", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CLZ", "__builtin_clz support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_clz(1) == (sizeof(int)*8 - 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_CLZL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CLZL", "__builtin_clzl support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_clzl(1) == (sizeof(long)*8 - 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_CLZLL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CLZLL", "__builtin_clzll support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_clzll(1) == (sizeof(long long)*8 - 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_CTZ", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CTZ", "__builtin_ctz support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_ctz(1 << (sizeof(int)*8 - 1)) == (sizeof(int)*8 - 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_CTZL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CTZL", "__builtin_ctzl support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_ctzl(1UL << (sizeof(long)*8 - 1)) == (sizeof(long)*8 - 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_CTZLL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CTZLL", "__builtin_ctzll support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_ctzll(1ULL << (sizeof(long long)*8 - 1)) == (sizeof(long long)*8 - 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_CONSTANT_P", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_CONSTANT_P", "__builtin_constant_p support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_constant_p(1) ? 0 : 1;" },
- { "HAVE_BUILTIN_EXPECT", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_EXPECT", "__builtin_expect support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_expect(argc == 1, 1) ? 0 : 1;" },
- { "HAVE_BUILTIN_FFS", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_FFS", "__builtin_ffs support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_ffs(0) == 0 ? 0 : 1;" },
- { "HAVE_BUILTIN_FFSL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_FFSL", "__builtin_ffsl support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_ffsl(0L) == 0 ? 0 : 1;" },
- { "HAVE_BUILTIN_FFSLL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_FFSLL", "__builtin_ffsll support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_ffsll(0LL) == 0 ? 0 : 1;" },
- { "HAVE_BUILTIN_POPCOUNT", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_POPCOUNT", "__builtin_popcount support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_popcount(255) == 8 ? 0 : 1;" },
- { "HAVE_BUILTIN_POPCOUNTL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_POPCOUNTL", "__builtin_popcountl support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_popcountl(255L) == 8 ? 0 : 1;" },
- { "HAVE_BUILTIN_POPCOUNTLL", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_POPCOUNTLL", "__builtin_popcountll support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_popcountll(255LL) == 8 ? 0 : 1;" },
- { "HAVE_BUILTIN_TYPES_COMPATIBLE_P", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_BUILTIN_TYPES_COMPATIBLE_P", "__builtin_types_compatible_p support",
+ "INSIDE_MAIN", NULL, NULL,
"return __builtin_types_compatible_p(char *, int) ? 1 : 0;" },
- { "HAVE_ICCARM_INTRINSICS", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ICCARM_INTRINSICS", "<intrinsics.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#include <intrinsics.h>\n"
"int func(int v) {\n"
" return __CLZ(__RBIT(v));\n"
"}" },
- { "HAVE_BYTESWAP_H", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_BYTESWAP_H", "<byteswap.h>",
+ "OUTSIDE_MAIN", NULL, NULL,
"#include <byteswap.h>\n" },
- { "HAVE_CLOCK_GETTIME",
+ { "HAVE_CLOCK_GETTIME", "clock_gettime() declaration",
"DEFINES_FUNC", "HAVE_STRUCT_TIMESPEC", NULL,
"#include <time.h>\n"
"static struct timespec func(void) {\n"
" clock_gettime(CLOCK_REALTIME, &ts);\n"
" return ts;\n"
"}\n" },
- { "HAVE_CLOCK_GETTIME_IN_LIBRT",
+ { "HAVE_CLOCK_GETTIME_IN_LIBRT", "clock_gettime() in librt",
"DEFINES_FUNC",
"HAVE_STRUCT_TIMESPEC !HAVE_CLOCK_GETTIME",
"-lrt",
"}\n",
/* This means HAVE_CLOCK_GETTIME, too */
"HAVE_CLOCK_GETTIME" },
- { "HAVE_COMPOUND_LITERALS", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_COMPOUND_LITERALS", "compound literal support",
+ "INSIDE_MAIN", NULL, NULL,
"int *foo = (int[]) { 1, 2, 3, 4 };\n"
"return foo[0] ? 0 : 1;" },
- { "HAVE_FCHDIR", "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
+ { "HAVE_FCHDIR", "fchdir support",
+ "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
"#include <sys/types.h>\n"
"#include <sys/stat.h>\n"
"#include <fcntl.h>\n"
" int fd = open(\"..\", O_RDONLY);\n"
" return fchdir(fd) == 0 ? 0 : 1;\n"
"}\n" },
- { "HAVE_ERR_H", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ERR_H", "<err.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#include <err.h>\n"
"static void func(int arg) {\n"
" if (arg == 0)\n"
" if (arg == 4)\n"
" warnx(\"warn %u\", arg);\n"
"}\n" },
- { "HAVE_FILE_OFFSET_BITS", "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE",
+ { "HAVE_FILE_OFFSET_BITS", "_FILE_OFFSET_BITS to get 64-bit offsets",
+ "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE",
"HAVE_32BIT_OFF_T", NULL,
"#define _FILE_OFFSET_BITS 64\n"
"#include <sys/types.h>\n"
"int main(void) {\n"
" return sizeof(off_t) == 8 ? 0 : 1;\n"
"}\n" },
- { "HAVE_FOR_LOOP_DECLARATION", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_FOR_LOOP_DECLARATION", "for loop declaration support",
+ "INSIDE_MAIN", NULL, NULL,
"int ret = 1;\n"
"for (int i = 0; i < argc; i++) { ret = 0; };\n"
"return ret;" },
- { "HAVE_FLEXIBLE_ARRAY_MEMBER", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_FLEXIBLE_ARRAY_MEMBER", "flexible array member support",
+ "OUTSIDE_MAIN", NULL, NULL,
"struct foo { unsigned int x; int arr[]; };" },
- { "HAVE_GETPAGESIZE", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_GETPAGESIZE", "getpagesize() in <unistd.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#include <unistd.h>\n"
"static int func(void) { return getpagesize(); }" },
- { "HAVE_ISBLANK", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_ISBLANK", "isblank() in <ctype.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#ifndef _GNU_SOURCE\n"
"#define _GNU_SOURCE\n"
"#endif\n"
"#include <ctype.h>\n"
"static int func(void) { return isblank(' '); }" },
- { "HAVE_LITTLE_ENDIAN", "INSIDE_MAIN|EXECUTE", NULL, NULL,
+ { "HAVE_LITTLE_ENDIAN", "little endian",
+ "INSIDE_MAIN|EXECUTE", NULL, NULL,
"union { int i; char c[sizeof(int)]; } u;\n"
"u.i = 0x01020304;\n"
"return u.c[0] == 0x04 && u.c[1] == 0x03 && u.c[2] == 0x02 && u.c[3] == 0x01 ? 0 : 1;" },
- { "HAVE_MEMMEM", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_MEMMEM", "memmem in <string.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#ifndef _GNU_SOURCE\n"
"#define _GNU_SOURCE\n"
"#endif\n"
"static void *func(void *h, size_t hl, void *n, size_t nl) {\n"
"return memmem(h, hl, n, nl);"
"}\n", },
- { "HAVE_MEMRCHR", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_MEMRCHR", "memrchr in <string.h>",
+ "DEFINES_FUNC", NULL, NULL,
"#ifndef _GNU_SOURCE\n"
"#define _GNU_SOURCE\n"
"#endif\n"
"static void *func(void *s, int c, size_t n) {\n"
"return memrchr(s, c, n);"
"}\n", },
- { "HAVE_MMAP", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_MMAP", "mmap() declaration",
+ "DEFINES_FUNC", NULL, NULL,
"#include <sys/mman.h>\n"
"static void *func(int fd) {\n"
" return mmap(0, 65536, PROT_READ, MAP_SHARED, fd, 0);\n"
"}" },
- { "HAVE_PROC_SELF_MAPS", "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
+ { "HAVE_PROC_SELF_MAPS", "/proc/self/maps exists",
+ "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
"#include <sys/types.h>\n"
"#include <sys/stat.h>\n"
"#include <fcntl.h>\n"
"int main(void) {\n"
" return open(\"/proc/self/maps\", O_RDONLY) != -1 ? 0 : 1;\n"
"}\n" },
- { "HAVE_QSORT_R_PRIVATE_LAST",
+ { "HAVE_QSORT_R_PRIVATE_LAST", "qsort_r cmp takes trailing arg",
"DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
"#ifndef _GNU_SOURCE\n"
"#define _GNU_SOURCE\n"
" qsort_r(array, 3, sizeof(int), cmp, &called);\n"
" return called && array[0] == 2 && array[1] == 5 && array[2] == 9 ? 0 : 1;\n"
"}\n" },
- { "HAVE_STRUCT_TIMESPEC",
+ { "HAVE_STRUCT_TIMESPEC", "struct timespec declaration",
"DEFINES_FUNC", NULL, NULL,
"#include <time.h>\n"
"static void func(void) {\n"
" struct timespec ts;\n"
" ts.tv_sec = ts.tv_nsec = 1;\n"
"}\n" },
- { "HAVE_SECTION_START_STOP",
+ { "HAVE_SECTION_START_STOP", "__attribute__((section)) and __start/__stop",
"DEFINES_FUNC", NULL, NULL,
"static void *__attribute__((__section__(\"mysec\"))) p = &p;\n"
"static int func(void) {\n"
" extern void *__start_mysec[], *__stop_mysec[];\n"
" return __stop_mysec - __start_mysec;\n"
"}\n" },
- { "HAVE_STACK_GROWS_UPWARDS", "DEFINES_EVERYTHING|EXECUTE", NULL, NULL,
+ { "HAVE_STACK_GROWS_UPWARDS", "stack grows upwards",
+ "DEFINES_EVERYTHING|EXECUTE", NULL, NULL,
"#include <stddef.h>\n"
"static ptrdiff_t nest(const void *base, unsigned int i)\n"
"{\n"
" (void)argv;\n"
" return (nest(&argc, argc) > 0) ? 0 : 1;\n"
"}\n" },
- { "HAVE_STATEMENT_EXPR", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_STATEMENT_EXPR", "statement expression support",
+ "INSIDE_MAIN", NULL, NULL,
"return ({ int x = argc; x == argc ? 0 : 1; });" },
- { "HAVE_SYS_FILIO_H", "OUTSIDE_MAIN", NULL, NULL, /* Solaris needs this for FIONREAD */
+ { "HAVE_SYS_FILIO_H", "<sys/filio.h>",
+ "OUTSIDE_MAIN", NULL, NULL, /* Solaris needs this for FIONREAD */
"#include <sys/filio.h>\n" },
- { "HAVE_SYS_TERMIOS_H", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_SYS_TERMIOS_H", "<sys/termios.h>",
+ "OUTSIDE_MAIN", NULL, NULL,
"#include <sys/termios.h>\n" },
- { "HAVE_SYS_UNISTD_H", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_SYS_UNISTD_H", "<sys/unistd.h>",
+ "OUTSIDE_MAIN", NULL, NULL,
"#include <sys/unistd.h>\n" },
- { "HAVE_TYPEOF", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_TYPEOF", "__typeof__ support",
+ "INSIDE_MAIN", NULL, NULL,
"__typeof__(argc) i; i = argc; return i == argc ? 0 : 1;" },
- { "HAVE_UNALIGNED_ACCESS", "DEFINES_EVERYTHING|EXECUTE", NULL, NULL,
+ { "HAVE_UNALIGNED_ACCESS", "unaligned access to int",
+ "DEFINES_EVERYTHING|EXECUTE", NULL, NULL,
"#include <string.h>\n"
"int main(int argc, char *argv[]) {\n"
" (void)argc;\n"
" char pad[sizeof(int *) * 1];\n"
- " strncpy(pad, argv[0], sizeof(pad));\n"
+ " memcpy(pad, argv[0], sizeof(pad));\n"
" int *x = (int *)pad, *y = (int *)(pad + 1);\n"
" return *x == *y;\n"
"}\n" },
- { "HAVE_UTIME", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_UTIME", "utime() declaration",
+ "DEFINES_FUNC", NULL, NULL,
"#include <sys/types.h>\n"
"#include <utime.h>\n"
"static int func(const char *filename) {\n"
" struct utimbuf times = { 0 };\n"
" return utime(filename, ×);\n"
"}" },
- { "HAVE_WARN_UNUSED_RESULT", "DEFINES_FUNC", NULL, NULL,
+ { "HAVE_WARN_UNUSED_RESULT", "__attribute__((warn_unused_result))",
+ "DEFINES_FUNC", NULL, NULL,
"#include <sys/types.h>\n"
"#include <utime.h>\n"
"static __attribute__((warn_unused_result)) int func(int i) {\n"
" return i + 1;\n"
"}" },
- { "HAVE_OPENMP", "INSIDE_MAIN", NULL, NULL,
+ { "HAVE_OPENMP", "#pragma omp and -fopenmp support",
+ "INSIDE_MAIN|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
"int i;\n"
"#pragma omp parallel for\n"
"for(i = 0; i < 0; i++) {};\n"
"return 0;\n",
"-Werror -fopenmp" },
- { "HAVE_VALGRIND_MEMCHECK_H", "OUTSIDE_MAIN", NULL, NULL,
+ { "HAVE_VALGRIND_MEMCHECK_H", "<valgrind/memcheck.h>",
+ "OUTSIDE_MAIN", NULL, NULL,
"#include <valgrind/memcheck.h>\n" },
- { "HAVE_UCONTEXT", "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE",
+ { "HAVE_UCONTEXT", "working <ucontext.h",
+ "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE",
NULL, NULL,
"#include <ucontext.h>\n"
"static int x = 0;\n"
" return (x == 3) ? 0 : 1;\n"
"}\n"
},
- { "HAVE_POINTER_SAFE_MAKECONTEXT", "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE",
+ { "HAVE_POINTER_SAFE_MAKECONTEXT", "passing pointers via makecontext()",
+ "DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE",
"HAVE_UCONTEXT", NULL,
"#include <stddef.h>\n"
"#include <ucontext.h>\n"
" return worked ? 0 : 1;\n"
"}\n"
},
+ { "HAVE_BUILTIN_CPU_SUPPORTS", "__builtin_cpu_supports()",
+ "DEFINES_FUNC", NULL, NULL,
+ "#include <stdbool.h>\n"
+ "static bool func(void) {\n"
+ " return __builtin_cpu_supports(\"mmx\");\n"
+ "}"
+ },
};
static void c12r_err(int eval, const char *fmt, ...)
exit(eval);
}
+static void start_test(const char *what, const char *why)
+{
+ if (like_a_libtool) {
+ printf("%s%s... ", what, why);
+ fflush(stdout);
+ }
+}
+
+static void end_test(bool result)
+{
+ if (like_a_libtool)
+ printf("%s\n", result ? "yes" : "no");
+}
+
static size_t fcopy(FILE *fsrc, FILE *fdst)
{
char buffer[BUFSIZ];
}
size += ret;
if (ferror(file))
- c12r_err(1, "reading from command");
+ c12r_err(EXIT_TROUBLE_RUNNING, "reading from command");
buffer[size] = '\0';
return buffer;
}
cmdout = popen(cmdredir, "r");
if (!cmdout)
- c12r_err(1, "popen \"%s\"", cmdredir);
+ c12r_err(EXIT_TROUBLE_RUNNING, "popen \"%s\"", cmdredir);
free(cmdredir);
{
unsigned int i;
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
+ for (i = 0; tests[i].name; i++) {
if (strcmp(tests[i].name, name) == 0)
return &tests[i];
}
+ c12r_errx(EXIT_BAD_TEST, "Unknown test %s", name);
abort();
}
#define MAIN_BODY_BOILERPLATE "return 0;\n"
#define MAIN_END_BOILERPLATE "}\n"
-static bool run_test(const char *cmd, struct test *test)
+static bool run_test(const char *cmd, const char *wrapper, struct test *test)
{
char *output, *newcmd;
FILE *outf;
dep++;
positive = false;
}
- if (run_test(cmd, find_test(dep)) != positive) {
+ if (run_test(cmd, wrapper, find_test(dep)) != positive) {
test->answer = false;
test->done = true;
return test->answer;
outf = fopen(INPUT_FILE, verbose > 1 ? "w+" : "w");
if (!outf)
- c12r_err(1, "creating %s", INPUT_FILE);
+ c12r_err(EXIT_TROUBLE_RUNNING, "creating %s", INPUT_FILE);
fprintf(outf, "%s", PRE_BOILERPLATE);
} else if (strstr(test->style, "DEFINES_EVERYTHING")) {
fprintf(outf, "%s", test->fragment);
} else
- c12r_errx(2, "Unknown style for test %s: %s",
+ c12r_errx(EXIT_BAD_TEST, "Unknown style for test %s: %s",
test->name, test->style);
if (verbose > 1) {
printf("Extra link line: %s", newcmd);
}
+ start_test("checking for ", test->desc);
output = run(newcmd, &status);
free(newcmd);
test->name, status, output);
if (strstr(test->style, "EXECUTE")
&& !strstr(test->style, "MAY_NOT_COMPILE"))
- c12r_errx(1, "Test for %s did not compile:\n%s",
+ c12r_errx(EXIT_BAD_TEST,
+ "Test for %s did not compile:\n%s",
test->name, output);
test->answer = false;
free(output);
/* We run INSIDE_MAIN tests for sanity checking. */
if (strstr(test->style, "EXECUTE")
|| strstr(test->style, "INSIDE_MAIN")) {
- output = run("." DIR_SEP OUTPUT_FILE, &status);
+ char *cmd = malloc(strlen(wrapper) + strlen(" ." DIR_SEP OUTPUT_FILE) + 1);
+
+ strcpy(cmd, wrapper);
+ strcat(cmd, " ." DIR_SEP OUTPUT_FILE);
+ output = run(cmd, &status);
+ if (wrapper) {
+ free(cmd);
+ }
if (!strstr(test->style, "EXECUTE") && status != 0)
- c12r_errx(1, "Test for %s failed with %i:\n%s",
+ c12r_errx(EXIT_BAD_TEST,
+ "Test for %s failed with %i:\n%s",
test->name, status, output);
if (verbose && status)
printf("%s exited %i\n", test->name, status);
test->answer = (status == 0);
}
test->done = true;
+ end_test(test->answer);
if (test->answer && test->overrides) {
struct test *override = find_test(test->overrides);
return test->answer;
}
+static char *any_field(char **fieldname)
+{
+ char buf[1000];
+ for (;;) {
+ char *p, *eq;
+
+ if (!fgets(buf, sizeof(buf), stdin))
+ return NULL;
+
+ p = buf;
+ /* Ignore whitespace, lines starting with # */
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (*p == '#' || *p == '\n')
+ continue;
+
+ eq = strchr(p, '=');
+ if (!eq)
+ c12r_errx(EXIT_BAD_INPUT, "no = in line: %s", p);
+ *eq = '\0';
+ *fieldname = strdup(p);
+ p = eq + 1;
+ if (strlen(p) && p[strlen(p)-1] == '\n')
+ p[strlen(p)-1] = '\0';
+ return strdup(p);
+ }
+}
+
+static char *read_field(const char *name, bool compulsory)
+{
+ char *fieldname, *value;
+
+ value = any_field(&fieldname);
+ if (!value) {
+ if (!compulsory)
+ return NULL;
+ c12r_errx(EXIT_BAD_INPUT, "Could not read field %s", name);
+ }
+ if (strcmp(fieldname, name) != 0)
+ c12r_errx(EXIT_BAD_INPUT,
+ "Expected field %s not %s", name, fieldname);
+ return value;
+}
+
+/* Test descriptions from stdin:
+ * Lines starting with # or whitespace-only are ignored.
+ *
+ * First three non-ignored lines must be:
+ * var=<varname>
+ * desc=<description-for-autotools-style>
+ * style=OUTSIDE_MAIN DEFINES_FUNC INSIDE_MAIN DEFINES_EVERYTHING EXECUTE MAY_NOT_COMPILE
+ *
+ * Followed by optional lines:
+ * depends=<space-separated-testnames, ! to invert>
+ * link=<extra args for link line>
+ * flags=<extra args for compile line>
+ * overrides=<testname-to-force>
+ *
+ * Finally a code line, either:
+ * code=<oneline> OR
+ * code=
+ * <lines of code>
+ * <end-comment>
+ *
+ * And <end-comment> looks like this next comment: */
+/*END*/
+static bool read_test(struct test *test)
+{
+ char *field, *value;
+ char buf[1000];
+
+ memset(test, 0, sizeof(*test));
+ test->name = read_field("var", false);
+ if (!test->name)
+ return false;
+ test->desc = read_field("desc", true);
+ test->style = read_field("style", true);
+ /* Read any optional fields. */
+ while ((value = any_field(&field)) != NULL) {
+ if (strcmp(field, "depends") == 0)
+ test->depends = value;
+ else if (strcmp(field, "link") == 0)
+ test->link = value;
+ else if (strcmp(field, "flags") == 0)
+ test->flags = value;
+ else if (strcmp(field, "overrides") == 0)
+ test->overrides = value;
+ else if (strcmp(field, "code") == 0)
+ break;
+ else
+ c12r_errx(EXIT_BAD_INPUT, "Unknown field %s in %s",
+ field, test->name);
+ }
+ if (!value)
+ c12r_errx(EXIT_BAD_INPUT, "Missing code in %s", test->name);
+
+ if (strlen(value) == 0) {
+ /* Multiline program, read to END comment */
+ while (fgets(buf, sizeof(buf), stdin) != 0) {
+ size_t n;
+ if (strncmp(buf, "/*END*/", 7) == 0)
+ break;
+ n = strlen(value);
+ value = realloc(value, n + strlen(buf) + 1);
+ strcpy(value + n, buf);
+ n += strlen(buf);
+ }
+ }
+ test->fragment = value;
+ return true;
+}
+
+static void read_tests(size_t num_tests)
+{
+ while (read_test(tests + num_tests)) {
+ num_tests++;
+ tests = realloc(tests, (num_tests + 1) * sizeof(tests[0]));
+ tests[num_tests].name = NULL;
+ }
+}
+
int main(int argc, const char *argv[])
{
char *cmd;
= { "", DEFAULT_COMPILER, DEFAULT_FLAGS, NULL };
const char *outflag = DEFAULT_OUTPUT_EXE_FLAG;
const char *configurator_cc = NULL;
+ const char *wrapper = "";
const char *orig_cc;
const char *varfile = NULL;
+ const char *headerfile = NULL;
+ bool extra_tests = false;
+ FILE *outf;
if (argc > 0)
progname = argv[0];
while (argc > 1) {
if (strcmp(argv[1], "--help") == 0) {
- printf("Usage: configurator [-v] [--var-file=<filename>] [-O<outflag>] [--configurator-cc=<compiler-for-tests>] [<compiler> <flags>...]\n"
+ printf("Usage: configurator [-v] [--var-file=<filename>] [-O<outflag>] [--configurator-cc=<compiler-for-tests>] [--wrapper=<wrapper-for-tests>] [--autotools-style] [--extra-tests] [<compiler> <flags>...]\n"
" <compiler> <flags> will have \"<outflag> <outfile> <infile.c>\" appended\n"
"Default: %s %s %s\n",
DEFAULT_COMPILER, DEFAULT_FLAGS,
fprintf(stderr,
"%s: option requires an argument -- O\n",
argv[0]);
- exit(1);
+ exit(EXIT_BAD_USAGE);
}
} else if (strcmp(argv[1], "-v") == 0) {
argc--;
configurator_cc = argv[1] + 18;
argc--;
argv++;
+ } else if (strncmp(argv[1], "--wrapper=", 10) == 0) {
+ wrapper = argv[1] + 10;
+ argc--;
+ argv++;
} else if (strncmp(argv[1], "--var-file=", 11) == 0) {
varfile = argv[1] + 11;
argc--;
argv++;
+ } else if (strcmp(argv[1], "--autotools-style") == 0) {
+ like_a_libtool = true;
+ argc--;
+ argv++;
+ } else if (strncmp(argv[1], "--header-file=", 14) == 0) {
+ headerfile = argv[1] + 14;
+ argc--;
+ argv++;
+ } else if (strcmp(argv[1], "--extra-tests") == 0) {
+ extra_tests = true;
+ argc--;
+ argv++;
+ } else if (strcmp(argv[1], "--") == 0) {
+ break;
+ } else if (argv[1][0] == '-') {
+ c12r_errx(EXIT_BAD_USAGE, "Unknown option %s", argv[1]);
} else {
break;
}
if (argc == 1)
argv = default_args;
+ /* Copy with NULL entry at end */
+ tests = calloc(sizeof(base_tests)/sizeof(base_tests[0]) + 1,
+ sizeof(base_tests[0]));
+ memcpy(tests, base_tests, sizeof(base_tests));
+
+ if (extra_tests)
+ read_tests(sizeof(base_tests)/sizeof(base_tests[0]));
+
orig_cc = argv[1];
if (configurator_cc)
argv[1] = configurator_cc;
cmd = connect_args(argv, outflag, OUTPUT_FILE " " INPUT_FILE);
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
- run_test(cmd, &tests[i]);
+ if (like_a_libtool) {
+ start_test("Making autoconf users comfortable", "");
+ sleep(1);
+ end_test(1);
+ }
+ for (i = 0; tests[i].name; i++)
+ run_test(cmd, wrapper, &tests[i]);
free(cmd);
remove(OUTPUT_FILE);
if (strcmp(varfile, "-") == 0)
vars = stdout;
else {
+ start_test("Writing variables to ", varfile);
vars = fopen(varfile, "a");
if (!vars)
- c12r_err(2, "Could not open %s", varfile);
+ c12r_err(EXIT_TROUBLE_RUNNING,
+ "Could not open %s", varfile);
}
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
+ for (i = 0; tests[i].name; i++)
fprintf(vars, "%s=%u\n", tests[i].name, tests[i].answer);
if (vars != stdout) {
if (fclose(vars) != 0)
- c12r_err(2, "Closing %s", varfile);
+ c12r_err(EXIT_TROUBLE_RUNNING,
+ "Closing %s", varfile);
+ end_test(1);
}
}
- printf("/* Generated by CCAN configurator */\n"
+ if (headerfile) {
+ start_test("Writing header to ", headerfile);
+ outf = fopen(headerfile, "w");
+ if (!outf)
+ c12r_err(EXIT_TROUBLE_RUNNING,
+ "Could not open %s", headerfile);
+ } else
+ outf = stdout;
+
+ fprintf(outf, "/* Generated by CCAN configurator */\n"
"#ifndef CCAN_CONFIG_H\n"
"#define CCAN_CONFIG_H\n");
- printf("#ifndef _GNU_SOURCE\n");
- printf("#define _GNU_SOURCE /* Always use GNU extensions. */\n");
- printf("#endif\n");
- printf("#define CCAN_COMPILER \"%s\"\n", orig_cc);
+ fprintf(outf, "#ifndef _GNU_SOURCE\n");
+ fprintf(outf, "#define _GNU_SOURCE /* Always use GNU extensions. */\n");
+ fprintf(outf, "#endif\n");
+ fprintf(outf, "#define CCAN_COMPILER \"%s\"\n", orig_cc);
cmd = connect_args(argv + 1, "", "");
- printf("#define CCAN_CFLAGS \"%s\"\n", cmd);
+ fprintf(outf, "#define CCAN_CFLAGS \"%s\"\n", cmd);
free(cmd);
- printf("#define CCAN_OUTPUT_EXE_CFLAG \"%s\"\n\n", outflag);
+ fprintf(outf, "#define CCAN_OUTPUT_EXE_CFLAG \"%s\"\n\n", outflag);
/* This one implies "#include <ccan/..." works, eg. for tdb2.h */
- printf("#define HAVE_CCAN 1\n");
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
- printf("#define %s %u\n", tests[i].name, tests[i].answer);
- printf("#endif /* CCAN_CONFIG_H */\n");
+ fprintf(outf, "#define HAVE_CCAN 1\n");
+ for (i = 0; tests[i].name; i++)
+ fprintf(outf, "#define %s %u\n", tests[i].name, tests[i].answer);
+ fprintf(outf, "#endif /* CCAN_CONFIG_H */\n");
+
+ if (headerfile) {
+ if (fclose(outf) != 0)
+ c12r_err(EXIT_TROUBLE_RUNNING, "Closing %s", headerfile);
+ end_test(1);
+ }
+
return 0;
}
projects / ccan / blobdiff