Clarify why check for XInput

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1325 7f0cb862-5218-0410-a997-914c9d46530a
2012-05-29 18:33:22 +00:00 · 2012-05-29 18:33:22 +00:00 · 299a491ae2
commit 299a491ae2
parent 5f34ac1c5a
1 changed files with 1 additions and 0 deletions
--- a/freeglut/freeglut/CMakeLists.txt
+++ b/freeglut/freeglut/CMakeLists.txt
@ -228,6 +228,7 @@ IF(UNIX AND NOT ANDROID)
        LIST(APPEND LIBS ${X11_Xxf86vm_LIB})
    ENDIF()
    IF(X11_Xinput_FOUND)
+        # Needed for multi-touch:
        CHECK_INCLUDE_FILES("${X11_Xinput_INCLUDE_PATH}/X11/extensions/XInput2.h" HAVE_X11_EXTENSIONS_XINPUT2_H)
        LIST(APPEND LIBS ${X11_Xinput_LIB})
    ENDIF()