$NetBSD: patch-configure,v 1.4 2024/03/17 17:34:06 nia Exp $

Shell portability.

--- configure.orig	2024-03-17 16:30:27.835226059 +0000
+++ configure
@@ -8953,7 +8953,7 @@ printf "%s\n" "no" >&6; }
 		PKG_CONFIG=""
 	fi
 fi
-if test "x$WINDOWS" == x
+if test "x$WINDOWS" = x
 then :
 
 
@@ -10165,7 +10165,7 @@ else $as_nop
 fi
 
 
-if test "x$WINDOWS" == x
+if test "x$WINDOWS" = x
 then :
 
 
@@ -15058,7 +15058,7 @@ printf "%s\n" "#define HAVE_CXX17 1" >>c
   fi
 
 
-if test $ax_cv_cxx_compile_cxx17__std_cpp17 == "yes"
+if test $ax_cv_cxx_compile_cxx17__std_cpp17 = "yes"
 then :
   printf "%s\n" "#define HAVE_CXX17 1" >>confdefs.h
 
@@ -15556,7 +15556,7 @@ printf "%s\n" "#define HAVE_CXX14 1" >>c
   fi
 
 
-    if test $ax_cv_cxx_compile_cxx14__std_cpp14 == "yes"
+    if test $ax_cv_cxx_compile_cxx14__std_cpp14 = "yes"
 then :
   printf "%s\n" "#define HAVE_CXX14 1" >>confdefs.h
 
@@ -15934,7 +15934,7 @@ printf "%s\n" "#define HAVE_CXX11 1" >>c
   fi
 
 
-        if test $ax_cv_cxx_compile_cxx11__std_cpp11 == "yes"
+        if test $ax_cv_cxx_compile_cxx11__std_cpp11 = "yes"
 then :
   printf "%s\n" "#define HAVE_CXX11 1" >>confdefs.h