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-rw-r--r--CMakeLists.txt3
1 files changed, 1 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0a95548..1aa8223a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,8 +32,7 @@ set(CMAKE_SKIP_RPATH FALSE)
set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0068 NEW)
-set(CMAKE_INSTALL_PREFIX_INIT "${CMAKE_BINARY_DIR}/install")
-if(CMAKE_INSTALL_PREFIX STREQUAL "")
+if(CMAKE_INSTALL_PREFIX STREQUAL "" OR CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "" FORCE)
endif()