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authorAndrew Kelley <andrew@ziglang.org>2020-09-04 13:00:10 -0700
committerAndrew Kelley <andrew@ziglang.org>2020-09-04 13:00:10 -0700
commit209a3da4f73ab6dd4182649af8fb7439e9145441 (patch)
tree9426a1dd0a039b5925c3a596cbd3315a79ce08e2 /lib/std/log.zig
parent0c43b6ef5c26f927b62eeaf3b365c88b07bf8d1a (diff)
downloadzig-209a3da4f73ab6dd4182649af8fb7439e9145441.tar.gz
zig-209a3da4f73ab6dd4182649af8fb7439e9145441.zip
provide default implementation of std.log on freestanding
closes #6252
Diffstat (limited to 'lib/std/log.zig')
-rw-r--r--lib/std/log.zig4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/std/log.zig b/lib/std/log.zig
index 50bdfdc068..7b677f698a 100644
--- a/lib/std/log.zig
+++ b/lib/std/log.zig
@@ -127,6 +127,10 @@ fn log(
if (@enumToInt(message_level) <= @enumToInt(level)) {
if (@hasDecl(root, "log")) {
root.log(message_level, scope, format, args);
+ } else if (std.Target.current.os.tag == .freestanding) {
+ // On freestanding one must provide a log function; we do not have
+ // any I/O configured.
+ return;
} else if (builtin.mode != .ReleaseSmall) {
const held = std.debug.getStderrMutex().acquire();
defer held.release();