build-sys: cleanup BUILD_KILL, enable kill(1) by default

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/configure.ac b/configure.ac
index 768f829c7bd923bdd6546a47fe7c6058cd62c077..93662b4e8f1ec6afd61b32950ebb4a0176f56b7e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -844,9 +844,11 @@ AM_CONDITIONAL(BUILD_ELVTUNE, test "x$build_elvtune" = xyes)
 
 
 AC_ARG_ENABLE([kill],
-  AS_HELP_STRING([--enable-kill], [build kill]),
-  [], enable_kill=no
+  AS_HELP_STRING([--disable-kill], [do not build kill]),
+  [], enable_kill=check
 )
+build_kill=yes
+UL_REQUIRES_LINUX([kill])
 AM_CONDITIONAL(BUILD_KILL, test "x$enable_kill" = xyes)