$NetBSD: patch-ad,v 1.13 2025/02/20 14:34:52 manu Exp $

--- configure.orig	2025-02-10 16:22:04.000000000 +0100
+++ configure	2025-02-18 15:57:17.613190582 +0100
@@ -4310,15 +4310,15 @@
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
 if test $ac_test_CFLAGS; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
-  if test "$GCC" = yes; then
+  if test "X${GCC}" = "Xyes" ; then
     CFLAGS="-g -O2"
   else
     CFLAGS="-g"
   fi
 else
-  if test "$GCC" = yes; then
+  if test "X${GCC}" = "Xyes" ; then
     CFLAGS="-O2"
   else
     CFLAGS=
   fi
@@ -9057,9 +9057,9 @@
 fi
 
   fi
   if test x"$objc_threaded" = x""; then
-    LIBS="$OBJCRT $saved_LIBS -lthread "
+    LIBS="$OBJCRT $saved_LIBS ${OBJC_THREAD} "
     if test "$cross_compiling" = yes
 then :
   objc_threaded=""
 else $as_nop
@@ -9068,9 +9068,9 @@
 #include "config_thread.m"
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  objc_threaded="-lthread"
+  objc_threaded="${OBJC_THREAD}"
 else $as_nop
   objc_threaded=""
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \