Compression algo dependencies, still need hackery...

depends/pack200/CMakeLists.txt

@@ -0,0 +1,43 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+
+project(unpack200)
+
+# Find ZLIB for quazip
+# Use system zlib on unix and Qt ZLIB on Windows
+IF(UNIX)
+	find_package(ZLIB REQUIRED)
+ELSE(UNIX)
+	get_filename_component (ZLIB_FOUND_DIR "${Qt5Core_DIR}/../../../include/QtZlib" ABSOLUTE)
+	SET(ZLIB_INCLUDE_DIRS ${ZLIB_FOUND_DIR} CACHE PATH "Path to ZLIB headers of Qt")
+	SET(ZLIB_LIBRARIES "")
+	IF(NOT EXISTS "${ZLIB_INCLUDE_DIRS}/zlib.h")
+		MESSAGE("Please specify a valid zlib include dir")
+	ENDIF(NOT EXISTS "${ZLIB_INCLUDE_DIRS}/zlib.h")
+ENDIF(UNIX)
+
+SET(PACK200_SRC
+src/bands.cpp
+src/bands.h
+src/bytes.cpp
+src/bytes.h
+src/coding.cpp
+src/coding.h
+src/constants.h
+src/defines.h
+src/main.cpp
+src/unpack.cpp
+src/unpack.h
+src/utils.cpp
+src/utils.h
+src/zip.cpp
+src/zip.h
+)
+
+add_executable(unpack200 ${PACK200_SRC})
+
+IF(UNIX)
+	target_link_libraries(unpack200 ${ZLIB_LIBRARIES})
+ELSE()
+	# zlib is part of Qt on windows. use it.
+	QT5_USE_MODULES(unpack200 Core)
+ENDIF()