package/apitrace: needs dynamic library

apitrace uses dlfcn.h in lib/os/os_backtrace.cpp if _Unwind_Backtrace
symbol is found in unwind.h. dlfcn.h is also used in 9 other source
files

Fixes:
 - http://autobuild.buildroot.org/results/4d60477cc46e4071dd3da21abfe7082e0d12cee2

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/apitrace/Config.in

@@ -1,7 +1,7 @@
-comment "apitrace needs a toolchain w/ C++, wchar, threads, gcc >= 4.9"
+comment "apitrace needs a toolchain w/ C++, wchar, dynamic library, threads, gcc >= 4.9"
 	depends on BR2_USE_MMU
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || \
-		!BR2_TOOLCHAIN_HAS_THREADS || \
+		BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS || \
 		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 
 config BR2_PACKAGE_APITRACE
@@ -9,6 +9,7 @@ config BR2_PACKAGE_APITRACE
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_USE_WCHAR
 	depends on BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_STATIC_LIBS # dlfcn.h
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_PACKAGE_XLIB_LIBX11 if BR2_PACKAGE_XORG7