libselinux: needs shared library support

Even though technically libselinux could make its <dlfcn.h> include
optional, the build system isn't really suited to build and install
only the static variant of libselinux, so let's make libselinux and
its reverse dependency not available in pure-static environments.

Fixes:

  http://autobuild.buildroot.org/results/90d/90dc73980a45b9b0441be3d493b22e3afea3cd6e/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libselinux/Config.in

@@ -4,6 +4,7 @@ config BR2_PACKAGE_LIBSELINUX
 	select BR2_PACKAGE_PCRE
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_LARGEFILE
+	depends on !BR2_STATIC_LIBS
 	help
 	  libselinux is the runtime SELinux library that provides
 	  interfaces (e.g. library functions for the SELinux kernel
@@ -15,5 +16,5 @@ config BR2_PACKAGE_LIBSELINUX
 
 	  http://selinuxproject.org/page/Main_Page
 
-comment "libselinux needs a toolchain w/ largefile, threads"
-        depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_LARGEFILE
+comment "libselinux needs a toolchain w/ largefile, threads, dynamic library"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_LARGEFILE || BR2_STATIC_LIBS

package/libsemanage/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_LIBSEMANAGE
 	select BR2_PACKAGE_BZIP2
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_LARGEFILE
+	depends on !BR2_STATIC_LIBS
 	help
 	  libsemanage is the policy management library. It uses
 	  libsepol for binary policy manipulation and libselinux for
@@ -26,5 +27,5 @@ config BR2_PACKAGE_LIBSEMANAGE_PYTHON_BINDINGS
 
 endif
 
-comment "libsemanage needs a toolchain w/ largefile, threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_LARGEFILE
+comment "libsemanage needs a toolchain w/ largefile, threads, dynamic library"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_LARGEFILE || BR2_STATIC_LIBS