Use fwrite_unlocked if it exists. Nice speedup in output.

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index c9955354..1fd6e4e8 100755
--- a/configure
+++ b/configure
@@ -9811,6 +9811,7 @@ esac
 
 # Need the check for mkstemp and tmpfile for missing_d/snprintf.c.
 for ac_func in __etoa_l atexit btowc fmod getgrent getgroups grantpt \
+	fwrite_unlocked \
 	isascii iswctype iswlower iswupper mbrlen \
 	memcmp memcpy memcpy_ulong memmove memset \
 	memset_ulong mkstemp posix_openpt setenv setlocale setsid sigprocmask \