* builds/unix/configure.raw: Don't set `FT_DEBUG_LOGGING`.

All debug options are handled exclusively in `ftoption.h`.

ChangeLog

@@ -1,3 +1,9 @@
+2020-12-07  Werner Lemberg  <wl@gnu.org>
+
+	* builds/unix/configure.raw: Don't set `FT_DEBUG_LOGGING`.
+
+	All debug options are handled exclusively in `ftoption.h`.
+
 2020-12-07  Werner Lemberg  <wl@gnu.org>
 
 	* src/*: More fixes for using a '\n' in `FT_TRACE` and `FT_ERROR`.

builds/unix/configure.raw

@@ -1125,12 +1125,10 @@ if test "$have_brotli" != no; then
 else
   ftoption_unset FT_CONFIG_OPTION_USE_BROTLI
 fi
+
 if test "$have_pthread" != no; then
   CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
   LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS $PTHREAD_LIBS"
-  ftoption_set FT_DEBUG_LOGGING
-else
-  ftoption_unset FT_DEBUG_LOGGING
 fi
 
 AC_SUBST([CFLAGS])
@@ -1185,7 +1183,9 @@ fi
 
 if test $have_pthread = no; then
   AC_MSG_WARN([
-  \`FT_DEBUG_LOGGING' will not work since the \`pthread' library is not available.
+  \`FT_DEBUG_LOGGING' will not work since the \`pthread' library is not
+  available.  This warning can be safely ignored if you don't plan to use
+  this configuration macro.
   ])
 fi