diff -ru tk8.7a1.orig/unix/configure tk8.7a1/unix/configure

--- tk8.7a1.orig/unix/configure	2023-03-30 14:25:29.062891597 +0200

+++ tk8.7a1/unix/configure	2023-03-30 14:25:08.830891475 +0200

@@ -7752,8 +7752,8 @@

   *)

     # Record where we found X for the cache.

     ac_cv_have_x="have_x=yes\

-	ac_x_includes='$ac_x_includes'\

-	ac_x_libraries='$ac_x_libraries'"

+	ac_x_includes=''\

+	ac_x_libraries=''"

 esac

 fi

 ;; #(

@@ -8054,13 +8054,20 @@

 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_xft" >&5

 $as_echo "$enable_xft" >&6; }

     else

+    if [ $cross_compiling = yes ]; then

+        XFT_CONFIG=${host}-xft-config

+        PKG_CONFIG=${host}-pkg-config

+    else

+        XFT_CONFIG=xft-config

+        PKG_CONFIG=pkg-config

+   fi

 	found_xft="yes"

-			XFT_CFLAGS=`xft-config --cflags 2>/dev/null` || found_xft="no"

-	XFT_LIBS=`xft-config --libs 2>/dev/null` || found_xft="no"

+	XFT_CFLAGS=`"${PKG_CONFIG}" --cflags 2>/dev/null` || found_xft="no"

+	XFT_LIBS=`"${PKG_CONFIG}" --libs 2>/dev/null` || found_xft="no"

 	if test "$found_xft" = "no" ; then

 	    found_xft=yes

-	    XFT_CFLAGS=`pkg-config --cflags xft 2>/dev/null` || found_xft="no"

-	    XFT_LIBS=`pkg-config --libs xft 2>/dev/null` || found_xft="no"

+	    XFT_CFLAGS=`"${PKG_CONFIG}" --cflags xft 2>/dev/null` || found_xft="no"

+	    XFT_LIBS=`"${PKG_CONFIG}" --libs xft 2>/dev/null` || found_xft="no"

 	fi

 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $found_xft" >&5

 $as_echo "$found_xft" >&6; }