Userspace: Add shared library test

I will use this while testing my dynamic loader

userspace/tests/CMakeLists.txt

@@ -6,6 +6,7 @@ set(USERSPACE_TESTS
 	test-mouse
 	test-popen
 	test-setjmp
+	test-shared
 	test-sort
 	test-tcp
 	test-udp

userspace/tests/test-shared/CMakeLists.txt

@@ -0,0 +1,8 @@
+set(SOURCES
+	main.cpp
+)
+
+add_executable(test-shared ${SOURCES})
+banan_link_library(test-shared libc-shared)
+
+install(TARGETS test-shared OPTIONAL)

userspace/tests/test-shared/main.cpp

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main()
+{
+	printf("printf works!\n");
+}