zfs_arc: simplify build logic

Use BUILD_SOLARIS instead of assuming that any OS not FreeBSD or Linux is Solaris.

diff --git a/src/Makefile.am b/src/Makefile.am
index 250557b051b3040213f27eb5546bd2a1bc12eefc..eb786f4cb62a1203bf5c88a84fe23736ed9d0f5f 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1268,13 +1268,9 @@ zfs_arc_la_SOURCES = zfs_arc.c
 zfs_arc_la_LDFLAGS = $(PLUGIN_LDFLAGS)
 if BUILD_FREEBSD
 zfs_arc_la_LIBADD = -lm
-else
-if BUILD_LINUX
-# zfs_arc requires no library on linux
-else
-# solaris
-zfs_arc_la_LIBADD = -lkstat
 endif
+if BUILD_SOLARIS
+zfs_arc_la_LIBADD = -lkstat
 endif
 endif