CMake produces an error if XInput.h is not found

git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1826 7f0cb862-5218-0410-a997-914c9d46530a

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58b1b46..b4db0fd 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -326,6 +326,8 @@ IF(UNIX AND NOT(ANDROID OR BLACKBERRY OR FREEGLUT_WAYLAND))
         # Needed for multi-touch:
         CHECK_INCLUDE_FILES("${X11_Xinput_INCLUDE_PATH}/X11/extensions/XInput2.h" HAVE_X11_EXTENSIONS_XINPUT2_H)
         LIST(APPEND LIBS ${X11_Xinput_LIB})
+    ELSE()
+        MESSAGE(FATAL_ERROR, "Missing X11's XInput.h (X11/extensions/XInput.h)")
     ENDIF()
 ENDIF()
 IF(ANDROID)