diff -urNp -x '*.orig' xine-lib-1.2.8.org/configure.ac xine-lib-1.2.8/configure.ac
--- xine-lib-1.2.8.org/configure.ac	2022-02-14 00:14:00.030435681 +0100
+++ xine-lib-1.2.8/configure.ac	2022-02-14 00:14:00.377102828 +0100
@@ -1000,9 +1000,9 @@ t q
 b
 :q
 q"
-x_lib_location="`ls -1 "${x_libraries:-/usr/local/lib}/libX11.$acl_cv_shlibext"* "${x_libraries:-/usr/lib}/libX11.$acl_cv_shlibext"* 2>/dev/null | sed -e \"${soname_script}\"`"
+x_lib_location=$(ls -1 "${x_libraries:-/usr/local/lib}/libX11.$acl_cv_shlibext"* "${x_libraries:-/usr/lib}/libX11.$acl_cv_shlibext"* 2>/dev/null | sed -e \"${soname_script}\")
 AC_DEFINE_UNQUOTED([LIBX11_SO], "${x_lib_location:-libX11.$acl_cv_shlibext}", [The soname of libX11, needed for dlopen()])
-x_lib_location="`ls -1 "${x_libraries:-/usr/local/lib}/libXv.$acl_cv_shlibext"*  "${x_libraries:-/usr/lib}/libXv.$acl_cv_shlibext"*  2>/dev/null | sed -e \"${soname_script}\"`"
+x_lib_location=$(ls -1 "${x_libraries:-/usr/local/lib}/libXv.$acl_cv_shlibext"*  "${x_libraries:-/usr/lib}/libXv.$acl_cv_shlibext"*  2>/dev/null | sed -e \"${soname_script}\")
 AC_DEFINE_UNQUOTED([LIBXV_SO],  "${x_lib_location:-libXv.$acl_cv_shlibext}",  [The soname of libXv, needed for dlopen()])
 
 dnl Does X11 need XLockDisplay () to prevent deadlocks?
@@ -1245,7 +1245,7 @@ OBJCFLAGS="$UNIVERSAL_CFLAGS $miscflags
 dnl Some informations about xine-lib compilation for xine-config
 XINE_BUILD_CC="`$CC -v 2>&1 | tail -1 2>/dev/null`"
 XINE_BUILD_OS="`uname -s -r -m`"
-XINE_BUILD_DATE="`date "+%a %d %b %Y %T"`"
+XINE_BUILD_DATE="$(date "+%a %d %b %Y %T")"
 AC_SUBST(XINE_BUILD_CC)
 AC_SUBST(XINE_BUILD_OS)
 AC_SUBST(XINE_BUILD_DATE)