const char *depends;
const char *link;
const char *fragment;
+ const char *overrides; /* On success, force this to '1' */
bool done;
bool answer;
};
"static int __attribute__((cold)) func(int x) { return x; }" },
{ "HAVE_ATTRIBUTE_CONST", DEFINES_FUNC, NULL, NULL,
"static int __attribute__((const)) func(int x) { return x; }" },
+ { "HAVE_ATTRIBUTE_PURE", DEFINES_FUNC, NULL, NULL,
+ "static int __attribute__((pure)) func(int x) { return x; }" },
{ "HAVE_ATTRIBUTE_MAY_ALIAS", OUTSIDE_MAIN, NULL, NULL,
"typedef short __attribute__((__may_alias__)) short_a;" },
{ "HAVE_ATTRIBUTE_NORETURN", DEFINES_FUNC, NULL, NULL,
"return __builtin_clzl(1) == (sizeof(long)*8 - 1) ? 0 : 1;" },
{ "HAVE_BUILTIN_CLZLL", INSIDE_MAIN, NULL, NULL,
"return __builtin_clzll(1) == (sizeof(long long)*8 - 1) ? 0 : 1;" },
+ { "HAVE_BUILTIN_CTZ", 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,
+ "return __builtin_ctzl(1UL << (sizeof(long)*8 - 1)) == (sizeof(long)*8 - 1) ? 0 : 1;" },
+ { "HAVE_BUILTIN_CTZLL", 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,
"return __builtin_constant_p(1) ? 0 : 1;" },
{ "HAVE_BUILTIN_EXPECT", INSIDE_MAIN, NULL, NULL,
"return __builtin_expect(argc == 1, 1) ? 0 : 1;" },
+ { "HAVE_BUILTIN_FFS", INSIDE_MAIN, NULL, NULL,
+ "return __builtin_ffs(0) == 0 ? 0 : 1;" },
{ "HAVE_BUILTIN_FFSL", INSIDE_MAIN, NULL, NULL,
"return __builtin_ffsl(0L) == 0 ? 0 : 1;" },
{ "HAVE_BUILTIN_FFSLL", INSIDE_MAIN, NULL, NULL,
"return __builtin_popcountl(255L) == 8 ? 0 : 1;" },
{ "HAVE_BUILTIN_TYPES_COMPATIBLE_P", INSIDE_MAIN, NULL, NULL,
"return __builtin_types_compatible_p(char *, int) ? 1 : 0;" },
+ { "HAVE_ICCARM_INTRINSICS", 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,
"#include <byteswap.h>\n" },
{ "HAVE_CLOCK_GETTIME",
" struct timespec ts;\n"
" clock_gettime(CLOCK_REALTIME, &ts);\n"
" return ts;\n"
- "}\n" },
+ "}\n",
+ /* This means HAVE_CLOCK_GETTIME, too */
+ "HAVE_CLOCK_GETTIME" },
{ "HAVE_COMPOUND_LITERALS", INSIDE_MAIN, NULL, NULL,
"int *foo = (int[]) { 1, 2, 3, 4 };\n"
"return foo[0] ? 0 : 1;" },
"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,
+ "#define _GNU_SOURCE\n"
+ "#include <string.h>\n"
+ "static void *func(void *s, int c, size_t n) {\n"
+ "return memrchr(s, c, n);"
+ "}\n", },
{ "HAVE_MMAP", DEFINES_FUNC, NULL, NULL,
"#include <sys/mman.h>\n"
"static void *func(int fd) {\n"
"return ({ int x = argc; x == argc ? 0 : 1; });" },
{ "HAVE_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,
+ "#include <sys/termios.h>\n" },
{ "HAVE_TYPEOF", INSIDE_MAIN, NULL, NULL,
"__typeof__(argc) i; i = argc; return i == argc ? 0 : 1;" },
{ "HAVE_UTIME", DEFINES_FUNC, NULL, NULL,
for (i = 1; argv[i]; i++) {
strcpy(ret + len, argv[i]);
len += strlen(argv[i]);
- ret[len++] = ' ';
+ if (argv[i+1])
+ ret[len++] = ' ';
}
strcpy(ret + len, extra);
return ret;
test->answer = (status == 0);
}
test->done = true;
+
+ if (test->answer && test->overrides) {
+ struct test *override = find_test(test->overrides);
+ override->done = true;
+ override->answer = true;
+ }
return test->answer;
}
if (argc == 1)
argv = default_args;
- cmd = connect_args(argv, "-o " OUTPUT_FILE " " INPUT_FILE);
+ cmd = connect_args(argv, " -o " OUTPUT_FILE " " INPUT_FILE);
for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
run_test(cmd, &tests[i]);
unlink(OUTPUT_FILE);
unlink(INPUT_FILE);
- cmd[strlen(cmd) - strlen(" -o " OUTPUT_FILE " " INPUT_FILE)] = '\0';
printf("/* Generated by CCAN configurator */\n"
"#ifndef CCAN_CONFIG_H\n"
"#define CCAN_CONFIG_H\n");
printf("#define _GNU_SOURCE /* Always use GNU extensions. */\n");
printf("#endif\n");
printf("#define CCAN_COMPILER \"%s\"\n", argv[1]);
- printf("#define CCAN_CFLAGS \"%s\"\n\n", cmd + strlen(argv[1]) + 1);
+ printf("#define CCAN_CFLAGS \"%s\"\n\n", connect_args(argv+1, ""));
/* 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++)