--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmake/FindZIP.cmake	Fri Oct 20 14:18:37 2017 +0200
@@ -0,0 +1,51 @@
+# FindZIP
+# -------
+#
+# Find libzip library, this modules defines:
+#
+# ZIP_INCLUDE_DIRS, where to find zip.h
+# ZIP_LIBRARIES, where to find library
+# ZIP_FOUND, if it is found
+
+find_package(ZLIB QUIET)
+
+find_path(
+    ZIP_INCLUDE_DIR
+    NAMES zip.h
+)
+
+find_library(
+    ZIP_LIBRARY
+    NAMES zip libzip
+)
+
+find_path(
+    ZIPCONF_INCLUDE_DIR
+    NAMES zipconf.h
+)
+
+if (NOT ZIPCONF_INCLUDE_DIR)
+    # zipconf.h is sometimes directly in the include/ folder but on some systems
+    # like Windows, it is installed in the lib/ directory.
+    get_filename_component(_ZIP_PRIVATE_LIBRARY "${ZIP_LIBRARY}" DIRECTORY)
+
+    find_path(
+        ZIPCONF_INCLUDE_DIR
+        NAMES zipconf.h
+        PATHS "${_ZIP_PRIVATE_LIBRARY}/libzip/include"
+    )
+endif ()
+
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(
+    ZIP
+    REQUIRED_VARS ZLIB_LIBRARIES ZLIB_INCLUDE_DIRS ZIP_LIBRARY ZIP_INCLUDE_DIR ZIPCONF_INCLUDE_DIR
+)
+
+if (ZIP_FOUND)
+    set(ZIP_LIBRARIES ${ZIP_LIBRARY} ${ZLIB_LIBRARIES})
+    set(ZIP_INCLUDE_DIRS ${ZIP_INCLUDE_DIR} ${ZIPCONF_INCLUDE_DIR} ${ZLIB_INCLUDE_DIRS})
+endif ()
+
+mark_as_advanced(ZIP_LIBRARY ZIP_INCLUDE_DIR ZIPCONF_INCLUDE_DIR)