From 7555701defb2837843d588f50304f7f0f767356d Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Mon, 6 Nov 2023 23:25:58 +0300
Subject: [PATCH] autotools: fix linux joystick breakage after commit
 221d6ea8a8ca

Fixes https://github.com/libsdl-org/SDL/issues/8488
---
 configure    | 11 ++++++++---
 configure.ac |  3 ++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/configure b/configure
index 4bbeee8c4..304db817a 100755
--- a/configure
+++ b/configure
@@ -26399,6 +26399,14 @@ printf "%s\n" "#define SDL_VIDEO_VULKAN 1" >>confdefs.h
 
 CheckInputEvents()
 {
+        ac_fn_c_check_header_compile "$LINENO" "linux/input.h" "ac_cv_header_linux_input_h" "$ac_includes_default"
+if test "x$ac_cv_header_linux_input_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LINUX_INPUT_H 1" >>confdefs.h
+
+fi
+
+
         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Linux 2.4 unified input interface" >&5
 printf %s "checking for Linux 2.4 unified input interface... " >&6; }
         use_input_events=no
@@ -26428,9 +26436,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 printf "%s\n" "$use_input_events" >&6; }
         if test x$use_input_events = xyes; then
 
-printf "%s\n" "#define HAVE_LINUX_INPUT_H 1" >>confdefs.h
-
-
 printf "%s\n" "#define SDL_INPUT_LINUXEV 1" >>confdefs.h
 
             SUMMARY_input="${SUMMARY_input} linuxev"
diff --git a/configure.ac b/configure.ac
index 861d2b528..e9ffc654e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2758,6 +2758,8 @@ dnl See if we can use the new unified event interface in Linux 2.4
 CheckInputEvents()
 {
 dnl Check for Linux 2.4 unified input event interface support
+        AC_CHECK_HEADERS(linux/input.h)
+
         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
         use_input_events=no
         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@@ -2769,7 +2771,6 @@ dnl Check for Linux 2.4 unified input event interface support
         ]])], [use_input_events=yes],[])
         AC_MSG_RESULT($use_input_events)
         if test x$use_input_events = xyes; then
-            AC_DEFINE(HAVE_LINUX_INPUT_H, 1, [ ])
             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
             SUMMARY_input="${SUMMARY_input} linuxev"
         fi