X.509: silence asn1 compiler debug output
The asn1_compiler process is particularly chatty and produces
about the only stdout output for an allmodconfig kernel.
In order to follow the general concept of 'no news is good
news' for building kernels, this hides all the existing output
unless the KBUILD_VERBOSE environment variable is set.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c
index 91c4117..7750e9c 100644
--- a/scripts/asn1_compiler.c
+++ b/scripts/asn1_compiler.c
@@ -311,6 +311,9 @@
static struct token *token_list;
static unsigned nr_tokens;
+static _Bool verbose;
+
+#define debug(fmt, ...) do { if (verbose) printf(fmt, ## __VA_ARGS__); } while (0)
static int directive_compare(const void *_key, const void *_pdir)
{
@@ -322,21 +325,21 @@
dlen = strlen(dir);
clen = (dlen < token->size) ? dlen : token->size;
- //printf("cmp(%*.*s,%s) = ",
+ //debug("cmp(%*.*s,%s) = ",
// (int)token->size, (int)token->size, token->value,
// dir);
val = memcmp(token->value, dir, clen);
if (val != 0) {
- //printf("%d [cmp]\n", val);
+ //debug("%d [cmp]\n", val);
return val;
}
if (dlen == token->size) {
- //printf("0\n");
+ //debug("0\n");
return 0;
}
- //printf("%d\n", (int)dlen - (int)token->size);
+ //debug("%d\n", (int)dlen - (int)token->size);
return dlen - token->size; /* shorter -> negative */
}
@@ -515,13 +518,13 @@
}
nr_tokens = tix;
- printf("Extracted %u tokens\n", nr_tokens);
+ debug("Extracted %u tokens\n", nr_tokens);
#if 0
{
int n;
for (n = 0; n < nr_tokens; n++)
- printf("Token %3u: '%*.*s'\n",
+ debug("Token %3u: '%*.*s'\n",
n,
(int)token_list[n].size, (int)token_list[n].size,
token_list[n].value);
@@ -542,6 +545,7 @@
ssize_t readlen;
FILE *out, *hdr;
char *buffer, *p;
+ char *kbuild_verbose;
int fd;
if (argc != 4) {
@@ -550,6 +554,10 @@
exit(2);
}
+ kbuild_verbose = getenv("KBUILD_VERBOSE");
+ if (kbuild_verbose)
+ verbose = atoi(kbuild_verbose);
+
filename = argv[1];
outputname = argv[2];
headername = argv[3];
@@ -748,11 +756,11 @@
qsort(type_index, nr, sizeof(type_index[0]), type_index_compare);
- printf("Extracted %u types\n", nr_types);
+ debug("Extracted %u types\n", nr_types);
#if 0
for (n = 0; n < nr_types; n++) {
struct type *type = type_index[n];
- printf("- %*.*s\n",
+ debug("- %*.*s\n",
(int)type->name->size,
(int)type->name->size,
type->name->value);
@@ -793,7 +801,7 @@
} while (type++, !(type->flags & TYPE_STOP_MARKER));
- printf("Extracted %u actions\n", nr_actions);
+ debug("Extracted %u actions\n", nr_actions);
}
static struct element *element_list;
@@ -1284,7 +1292,7 @@
}
/* We do two passes - the first one calculates all the offsets */
- printf("Pass 1\n");
+ debug("Pass 1\n");
nr_entries = 0;
root = &type_list[0];
render_element(NULL, root->element, NULL);
@@ -1295,7 +1303,7 @@
e->flags &= ~ELEMENT_RENDERED;
/* And then we actually render */
- printf("Pass 2\n");
+ debug("Pass 2\n");
fprintf(out, "\n");
fprintf(out, "static const unsigned char %s_machine[] = {\n",
grammar_name);
