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-rw-r--r--ext/psych/extconf.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/psych/extconf.rb b/ext/psych/extconf.rb
index 5c936c3..f7e610c 100644
--- a/ext/psych/extconf.rb
+++ b/ext/psych/extconf.rb
@@ -41,7 +41,7 @@ if yaml_source
Dir.mkdir(yaml) unless File.directory?(yaml)
unless system(yaml_configure, "-q",
"--enable-#{$enable_shared || !$static ? 'shared' : 'static'}",
- "--host=#{RbConfig::CONFIG['host']}",
+ "--host=#{RbConfig::CONFIG['host'].sub(/-unknown-/, '-')}",
*(["CFLAGS=-w"] if RbConfig::CONFIG["GCC"] == "yes"),
chdir: yaml)
raise "failed to configure libyaml"