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-rw-r--r--libguile/debug.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/libguile/debug.c b/libguile/debug.c
index ab085f40f..dd65de45c 100644
--- a/libguile/debug.c
+++ b/libguile/debug.c
@@ -59,6 +59,39 @@
+/*
+ * Debugging options.
+ */
+
+scm_t_option scm_debug_opts[] = {
+ { SCM_OPTION_BOOLEAN, "backwards", 0,
+ "Display backtrace in anti-chronological order." },
+ { SCM_OPTION_INTEGER, "width", 79, "Maximal width of backtrace." },
+ { SCM_OPTION_INTEGER, "depth", 20, "Maximal length of printed backtrace." },
+ { SCM_OPTION_BOOLEAN, "backtrace", 1, "Show backtrace on error." },
+ /* This default stack limit will be overridden by init_stack_limit(),
+ if we have getrlimit() and the stack limit is not INFINITY. But it is still
+ important, as some systems have both the soft and the hard limits set to
+ INFINITY; in that case we fall back to this value.
+
+ The situation is aggravated by certain compilers, which can consume
+ "beaucoup de stack", as they say in France.
+
+ See http://thread.gmane.org/gmane.lisp.guile.devel/8599/focus=8662 for
+ more discussion. This setting is 640 KB on 32-bit arches (should be enough
+ for anyone!) or a whoppin' 1280 KB on 64-bit arches.
+ */
+ { SCM_OPTION_INTEGER, "stack", 160000, "Stack size limit (measured in words; 0 = no check)." },
+ { SCM_OPTION_SCM, "show-file-name", (unsigned long)SCM_BOOL_T,
+ "Show file names and line numbers "
+ "in backtraces when not `#f'. A value of `base' "
+ "displays only base names, while `#t' displays full names."},
+ { SCM_OPTION_BOOLEAN, "warn-deprecated", 0,
+ "Warn when deprecated features are used." },
+ { 0 },
+};
+
+
/* {Run time control of the debugging evaluator}
*/