package/efl/libelementary: disable on static lib only build

libelementary sources include dlfcn.h header when HAVE_FORK symbol is defined;
this is always the case because efl already depends on BR2_USE_MMU.

Fixes:
  http://autobuild.buildroot.org/results/07c/07c97918dab24215f5c5130a9cd2788adca0a27d/

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/efl/libelementary/Config.in

@@ -1,5 +1,5 @@
-comment "libelementary needs a toolchain w/ threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+comment "libelementary needs a toolchain w/ threads, dynamic library"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
 
 config BR2_PACKAGE_LIBELEMENTARY
 	bool "libelementary"
@@ -8,6 +8,7 @@ config BR2_PACKAGE_LIBELEMENTARY
 	select BR2_PACKAGE_LIBECORE
 	select BR2_PACKAGE_LIBEDJE
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libevas
+	depends on !BR2_STATIC_LIBS
 	help
 	  Elementary is a widget toolkit and EFL wrapper and convenience
 	  library to make it easy to build applications and tools with UIs