CMake: Avoid double inclusion of CPack warning.

2 files changed, 6 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f9e9620..4785e1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,6 +47,8 @@ include(CheckTypeSize)
 include(CPack)
 include(GNUInstallDirs)
 
+set(CPACK_INCLUDED TRUE)
+
 if(NOT ZLIB_CONF_WRITTEN)
     set(Z_PREFIX ${ZLIB_PREFIX})
     set(CONF_OUT_FILE ${zlib_BINARY_DIR}/zconf.h.cmakein)
diff --git a/contrib/minizip/CMakeLists.txt b/contrib/minizip/CMakeLists.txt
index 2cf23d2..68aeed5 100644
--- a/contrib/minizip/CMakeLists.txt
+++ b/contrib/minizip/CMakeLists.txt
@@ -39,6 +39,10 @@ include(CMakePackageConfigHelpers)
 include(CheckTypeSize)
 include(GNUInstallDirs)
 
+if(NOT CPACK_INCLUDED)
+    include(CPack)
+endif(NOT CPACK_INCLUDED)
+
 if(MINIZIP_ENABLE_BZIP2)
     find_package(BZip2)
 endif(MINIZIP_ENABLE_BZIP2)