configurator: HAVE_BACKTRACE

[ccan] / tools / configurator / configurator.c

diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index 7b3403a9d96d50ca43b25abcc0143808f95e1cab..a8c5c8d49bf98ab6d159a0cf6d1c82dd47c9e5a6 100644 (file)
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -1,5 +1,26 @@
 /* Simple tool to create config.h.
- * Would be much easier with ccan modules, but deliberately standalone. */
+ * Would be much easier with ccan modules, but deliberately standalone.
+ *
+ * Copyright 2011 Rusty Russell <rusty@rustcorp.com.au>.  MIT license.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -68,6 +89,12 @@ static struct test tests[] = {
          "static int __attribute__((unused)) func(int x) { return x; }" },
        { "HAVE_ATTRIBUTE_USED", OUTSIDE_MAIN, NULL,
          "static int __attribute__((used)) func(int x) { return x; }" },
+       { "HAVE_BACKTRACE", DEFINES_FUNC, 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,
          "union { int i; char c[sizeof(int)]; } u;\n"
          "u.i = 0x01020304;\n"