From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 18 Jun 2010 00:55:48 +0000 (+0200)
Subject: date: make %N work without -lrt on glibc
X-Git-Tag: 1_17_0~69
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4ebdae3777b8c9175d5d07090989f7e498befc42;p=oweals%2Fbusybox.git

date: make %N work without -lrt on glibc

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/coreutils/date.c b/coreutils/date.c
index 8f9aff8b0..c737f09f3 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -93,6 +93,9 @@
 //config:	  MMDDhhmm[[YY]YY][.ss] format.
 
 #include "libbb.h"
+#if ENABLE_FEATURE_DATE_NANO
+# include <sys/syscall.h>
+#endif
 
 enum {
 	OPT_RFC2822   = (1 << 0), /* R */
@@ -208,7 +211,9 @@ int date_main(int argc UNUSED_PARAM, char **argv)
 #endif
 	} else {
 #if ENABLE_FEATURE_DATE_NANO
-		clock_gettime(CLOCK_REALTIME, &ts);
+		/* libc has incredibly messy way of doing this,
+		 * typically requiring -lrt. We just skip all this mess */
+		syscall(__NR_clock_gettime, CLOCK_REALTIME, &ts);
 #else
 		time(&ts.tv_sec);
 #endif