From: Roi Dayan <roid@nvidia.com>
Date: Tue, 22 Jun 2021 05:42:50 +0000 (+0300)
Subject: devlink: Fix link errors on some systems
X-Git-Tag: v5.13.0~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f15c217198c4137f8a5cb329955543d30e4ee23;p=thirdparty%2Fiproute2.git

devlink: Fix link errors on some systems

On some systems we fail to link because of missing math lib.
add -lm to devlink.

    LINK     devlink
../lib/libutil.a(utils_math.o): In function `get_rate':
utils_math.c:(.text+0xcc): undefined reference to `floor'
../lib/libutil.a(utils_math.o): In function `get_size':
utils_math.c:(.text+0x384): undefined reference to `floor'
collect2: error: ld returned 1 exit status
make[1]: *** [Makefile:16: devlink] Error 1
make: *** [Makefile:64: all] Error 2

Fixes: 6c70aca76ef2 ("devlink: Add port func rate support")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/devlink/Makefile b/devlink/Makefile
index d540feb3c..d37a4b4d0 100644
--- a/devlink/Makefile
+++ b/devlink/Makefile
@@ -7,6 +7,7 @@ ifeq ($(HAVE_MNL),y)
 
 DEVLINKOBJ = devlink.o mnlg.o
 TARGETS += devlink
+LDLIBS += -lm
 
 endif