Added tests (exes) targets, refactor a few things.

PS: Once again, sorry if the added files have executable perms on Linux.

CMakeLists.txt

@@ -750,8 +750,33 @@ IF(MSVC)
   ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 ENDIF(MSVC)
 
+# Sets up the dependencies (zlib, OpenSSL, etc.) of a cURL subproject according to options.
+# TODO This is far to be complete!
+FUNCTION(SETUP_CURL_DEPENDENCIES TARGET_NAME)
+	IF(CURL_ZLIB AND ZLIB_FOUND)
+		INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
+	ENDIF()
+	IF(CURL_ZLIB AND ZLIB_FOUND)
+		TARGET_LINK_LIBRARIES(${TARGET_NAME} ${ZLIB_LIBRARIES})
+		#ADD_DEFINITIONS( -DHAVE_ZLIB_H -DHAVE_ZLIB -DHAVE_LIBZ )
+	ENDIF()
+
+	IF(CMAKE_USE_OPENSSL AND OPENSSL_FOUND)
+		INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
+	ENDIF()
+	IF(CURL_SSL AND CURL_CONFIG_HAS_BEEN_RUN_BEFORE)
+		TARGET_LINK_LIBRARIES(${TARGET_NAME} ${OPENSSL_LIBRARIES})
+		#ADD_DEFINITIONS( -DUSE_SSLEAY )
+	ENDIF()
+ENDFUNCTION()
+
 ADD_SUBDIRECTORY(lib)
-ADD_SUBDIRECTORY(src)
+IF(BUILD_CURL_EXE)
+	ADD_SUBDIRECTORY(src)
+ENDIF()
+IF(BUILD_CURL_TESTS)
+	ADD_SUBDIRECTORY(tests)
+ENDIF()
 
 # This needs to be run very last so other parts of the scripts can take advantage of this.
 IF(NOT CURL_CONFIG_HAS_BEEN_RUN_BEFORE)