[Bug 39165] dlls/xaudio2_7 fails to compile (unconditional dependency on OpenAL)

https://bugs.winehq.org/show_bug.cgi?id=39165

--- Comment #2 from Sebastian Lackner  ---
Are you sure that this is a problem in practice?

--- snip ---
--- a/configure.ac
+++ b/configure.ac
@@ -1738,8 +1738,9 @@ then
                       AC_DEFINE_UNQUOTED(HAVE_OPENAL,1,[Define to 1 if OpenAL
is available])],,)
 fi
 WINE_NOTICE_WITH(openal,[test "x$ac_cv_lib_openal" != xyes],
-                 [libopenal ${notice_platform}development files not found (or
too old), OpenAL won't be supported.])
+                 [libopenal ${notice_platform}development files not found (or
too old), OpenAL and XAudio2 won't be supported])
 test "x$ac_cv_lib_openal" = xyes || enable_openal32=${enable_openal32:-no}
+test "x$ac_cv_lib_openal" = xyes || enable_xaudio2_7=${enable_xaudio2_7:-no}

dnl **** Check for libkstat ****
 if test "$ac_cv_header_kstat_h" = "yes"
--- snip ---

With these changes xaudio2_7 should be disabled when OpenAL is not present.