Makefile: Fix bad system header flag
gcc does not guarantee support for -isystem=<directory> syntax. It
typically expects the flag to be in the form of 2 arguments `-isystem
<directory>`. Update this so it works with all versions of gcc.
Change-Id: I324446b414bc327961641c39dd36a3131c3bc5e1
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/Makefile.am b/Makefile.am
index 8e5c191..fad77d1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -40,7 +40,7 @@
-lnl-3 \
-lnl-genl-3
-ncsi_netlink_CPPFLAGS = -isystem=/usr/include/libnl3
+ncsi_netlink_CPPFLAGS = -isystem /usr/include/libnl3
ncsi_netlink_CXXFLAGS = -flto