configure: Add a check for XInput2 headers.

configure

@@ -806,6 +806,7 @@ with_xcomposite
 with_xcursor
 with_xinerama
 with_xinput
+with_xinput2
 with_xml
 with_xrandr
 with_xrender
@@ -1497,6 +1498,7 @@ Optional Packages:
   --without-xcursor       do not use the Xcursor extension
   --without-xinerama      do not use Xinerama (multi-monitor support)
   --without-xinput        do not use the Xinput extension
+  --without-xinput2       do not use the Xinput 2 extension
   --without-xml           do not use XML
   --without-xrandr        do not use Xrandr (resolution changes)
   --without-xrender       do not use the Xrender extension
@@ -2722,6 +2724,12 @@ if test "${with_xinput+set}" = set; then :
 fi
 
 
+# Check whether --with-xinput2 was given.
+if test "${with_xinput2+set}" = set; then :
+  withval=$with_xinput2; if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XInput2_h=no; fi
+fi
+
+
 # Check whether --with-xml was given.
 if test "${with_xml+set}" = set; then :
   withval=$with_xml;
@@ -8035,6 +8043,7 @@ fi
                       X11/Xcursor/Xcursor.h \
                       X11/extensions/shape.h \
                       X11/extensions/XInput.h \
+                      X11/extensions/XInput2.h \
                       X11/extensions/XShm.h \
                       X11/extensions/Xcomposite.h \
                       X11/extensions/Xinerama.h \
@@ -8231,6 +8240,18 @@ This is an error since --with-xinput was requested." "$LINENO" 5  ;;
 esac
 fi
 
+                if test "x$ac_cv_lib_soname_Xi" != x
+        then
+            if test "$ac_cv_header_X11_extensions_XInput2_h" != "yes"; then :
+  case "x$with_xinput2" in
+  x)   as_fn_append wine_notices "|XInput2 headers not found, the XInput 2 extension won't be supported." ;;
+  xno) ;;
+  *)   as_fn_error $? "XInput2 headers not found, the XInput 2 extension won't be supported.
+This is an error since --with-xinput2 was requested." "$LINENO" 5  ;;
+esac
+fi
+        fi
+
                 if test "$ac_cv_header_X11_extensions_XShm_h" = "yes"
         then
               { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XShmQueryExtension in -lXext" >&5

configure.ac

@@ -91,6 +91,8 @@ AC_ARG_WITH(xinerama,  AS_HELP_STRING([--without-xinerama],[do not use Xinerama
             [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xinerama_h=no; fi])
 AC_ARG_WITH(xinput,    AS_HELP_STRING([--without-xinput],[do not use the Xinput extension]),
             [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XInput_h=no; fi])
+AC_ARG_WITH(xinput2,   AS_HELP_STRING([--without-xinput2],[do not use the Xinput 2 extension]),
+            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XInput2_h=no; fi])
 AC_ARG_WITH(xml,       AS_HELP_STRING([--without-xml],[do not use XML]))
 AC_ARG_WITH(xrandr,    AS_HELP_STRING([--without-xrandr],[do not use Xrandr (resolution changes)]),
             [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xrandr_h=no; fi])
@@ -937,6 +939,7 @@ then
                       X11/Xcursor/Xcursor.h \
                       X11/extensions/shape.h \
                       X11/extensions/XInput.h \
+                      X11/extensions/XInput2.h \
                       X11/extensions/XShm.h \
                       X11/extensions/Xcomposite.h \
                       X11/extensions/Xinerama.h \
@@ -975,6 +978,13 @@ then
         WINE_NOTICE_WITH(xinput,[test "x$ac_cv_lib_soname_Xi" = "x"],
                          [libxi ${notice_platform}development files not found, the Xinput extension won't be supported.])
 
+        dnl *** Check for X input 2 extension
+        if test "x$ac_cv_lib_soname_Xi" != x
+        then
+            WINE_NOTICE_WITH(xinput2,[test "$ac_cv_header_X11_extensions_XInput2_h" != "yes"],
+                             [XInput2 headers not found, the XInput 2 extension won't be supported.])
+        fi
+
         dnl *** Check for X Shm extension
         if test "$ac_cv_header_X11_extensions_XShm_h" = "yes"
         then

include/config.h.in

@@ -1094,6 +1094,9 @@
 /* Define to 1 if you have the <X11/extensions/Xinerama.h> header file. */
 #undef HAVE_X11_EXTENSIONS_XINERAMA_H
 
+/* Define to 1 if you have the <X11/extensions/XInput2.h> header file. */
+#undef HAVE_X11_EXTENSIONS_XINPUT2_H
+
 /* Define to 1 if you have the <X11/extensions/XInput.h> header file. */
 #undef HAVE_X11_EXTENSIONS_XINPUT_H