cmake: only set our install prefix if user didn't set one

FreeSlave · Jan 17, 2025 · 18a7f5e · 18a7f5e
1 parent da9a815
commit 18a7f5e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -49,7 +49,9 @@ option(BUILD_SERVER "Build server dll" ON)
 option(LTO "Enable interprocedural optimization" OFF)
 option(POLLY "Enable pollyhedral optimization" OFF)
 
-set(CMAKE_INSTALL_PREFIX "")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+	set(CMAKE_INSTALL_PREFIX "")
+endif()
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 4 OR
 	((WIN32 OR ${CMAKE_SYSTEM_NAME} STREQUAL "Linux")