libnl: do not allow to build tools on static lib configs

Building the libnl tools requires the <dlfcn.h> header, which is not
compatible with static only builds. Therefore, this commit makes the
libnl tools option depend on !BR2_PREFER_STATIC_LIB.

Fixes:

   http://autobuild.buildroot.org/results/573/57340b9bd2db3a523836e02e01cba6f7c17c8ca7/build-end.log

[Peter: fix tools comment dependency]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: Samuel Martin <s.martin49@gmail.com>

diff --git a/package/libnl/Config.in b/package/libnl/Config.in
index fec10d31b7028cae7a636aac3c2b7da88024e015..11732789fd300748710b6f17992900886a64fff0 100644 (file)
--- a/package/libnl/Config.in
+++ b/package/libnl/Config.in
@@ -6,11 +6,19 @@ config BR2_PACKAGE_LIBNL
 
          http://people.suug.ch/~tgr/libnl/
 
+comment "libnl needs a toolchain w/ threads"
+       depends on !BR2_TOOLCHAIN_HAS_THREADS
+
+if BR2_PACKAGE_LIBNL
+
 config BR2_PACKAGE_LIBNL_TOOLS
        bool "install tools"
-       depends on BR2_PACKAGE_LIBNL
+       # uses <dlfcn.h>
+       depends on !BR2_PREFER_STATIC_LIB
        help
          Install binary tools.
 
-comment "libnl needs a toolchain w/ threads"
-       depends on !BR2_TOOLCHAIN_HAS_THREADS
+comment "libnl tools need a toolchain w/ dynamic library"
+       depends on BR2_PREFER_STATIC_LIB
+
+endif