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-rw-r--r--cmake/Modules/FindIrrlicht.cmake20
1 files changed, 17 insertions, 3 deletions
diff --git a/cmake/Modules/FindIrrlicht.cmake b/cmake/Modules/FindIrrlicht.cmake
index bb501b3b4..058e93878 100644
--- a/cmake/Modules/FindIrrlicht.cmake
+++ b/cmake/Modules/FindIrrlicht.cmake
@@ -1,5 +1,5 @@
-mark_as_advanced(IRRLICHT_LIBRARY IRRLICHT_INCLUDE_DIR IRRLICHT_DLL)
+mark_as_advanced(IRRLICHT_DLL)
# Find include directory and libraries
@@ -29,8 +29,22 @@ foreach(libname IN ITEMS IrrlichtMt Irrlicht)
endif()
endforeach()
-# Users will likely need to edit these
-mark_as_advanced(CLEAR IRRLICHT_LIBRARY IRRLICHT_INCLUDE_DIR)
+# Handholding for users
+if(IRRLICHT_INCLUDE_DIR AND (NOT IS_DIRECTORY "${IRRLICHT_INCLUDE_DIR}" OR
+ NOT EXISTS "${IRRLICHT_INCLUDE_DIR}/irrlicht.h"))
+ message(WARNING "IRRLICHT_INCLUDE_DIR was set to ${IRRLICHT_INCLUDE_DIR} "
+ "but irrlicht.h does not exist inside. The path will not be used.")
+ unset(IRRLICHT_INCLUDE_DIR CACHE)
+endif()
+if(WIN32 OR CMAKE_SYSTEM_NAME STREQUAL "Linux" OR APPLE)
+ # (only on systems where we're sure how a valid library looks like)
+ if(IRRLICHT_LIBRARY AND (IS_DIRECTORY "${IRRLICHT_LIBRARY}" OR
+ NOT IRRLICHT_LIBRARY MATCHES "\\.(a|so|dylib|lib)([.0-9]+)?$"))
+ message(WARNING "IRRLICHT_LIBRARY was set to ${IRRLICHT_LIBRARY} "
+ "but is not a valid library file. The path will not be used.")
+ unset(IRRLICHT_LIBRARY CACHE)
+ endif()
+endif()
# On Windows, find the DLL for installation
if(WIN32)