--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Resources/CMake/ZlibConfiguration.cmake	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,51 @@
+if (STATIC_BUILD OR NOT USE_SYSTEM_ZLIB)
+  SET(ZLIB_SOURCES_DIR ${CMAKE_BINARY_DIR}/zlib-1.2.11)
+  SET(ZLIB_URL "http://orthanc.osimis.io/ThirdPartyDownloads/zlib-1.2.11.tar.gz")
+  SET(ZLIB_MD5 "1c9f62f0778697a09d36121ead88e08e")
+
+  DownloadPackage(${ZLIB_MD5} ${ZLIB_URL} "${ZLIB_SOURCES_DIR}")
+
+  include_directories(
+    ${ZLIB_SOURCES_DIR}
+    )
+
+  list(APPEND ZLIB_SOURCES 
+    ${ZLIB_SOURCES_DIR}/adler32.c
+    ${ZLIB_SOURCES_DIR}/compress.c
+    ${ZLIB_SOURCES_DIR}/crc32.c 
+    ${ZLIB_SOURCES_DIR}/deflate.c 
+    ${ZLIB_SOURCES_DIR}/infback.c 
+    ${ZLIB_SOURCES_DIR}/inffast.c 
+    ${ZLIB_SOURCES_DIR}/inflate.c 
+    ${ZLIB_SOURCES_DIR}/inftrees.c 
+    ${ZLIB_SOURCES_DIR}/trees.c 
+    ${ZLIB_SOURCES_DIR}/uncompr.c 
+    ${ZLIB_SOURCES_DIR}/zutil.c
+    )
+
+  if (NOT ORTHANC_SANDBOXED)
+    # The source files below require access to the filesystem
+    list(APPEND ZLIB_SOURCES
+      ${ZLIB_SOURCES_DIR}/gzlib.c 
+      ${ZLIB_SOURCES_DIR}/gzclose.c 
+      ${ZLIB_SOURCES_DIR}/gzread.c 
+      ${ZLIB_SOURCES_DIR}/gzwrite.c 
+      )
+  endif()
+
+  source_group(ThirdParty\\zlib REGULAR_EXPRESSION ${ZLIB_SOURCES_DIR}/.*)
+
+  if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR
+      ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+    # "ioapi.c" from zlib (minizip) expects the "IOAPI_NO_64" macro to be set to "true"
+    # https://ohse.de/uwe/articles/lfs.html
+    add_definitions(
+      -DIOAPI_NO_64=1
+      )
+  endif()
+
+else()
+  include(FindZLIB)
+  include_directories(${ZLIB_INCLUDE_DIRS})
+  link_libraries(${ZLIB_LIBRARIES})
+endif()