$NetBSD: patch-configure,v 1.1 2018/12/31 13:11:12 ryoon Exp $

--- configure.orig	2013-05-05 20:19:45.000000000 +0000
+++ configure
@@ -18939,7 +18939,7 @@ $as_echo "no" >&6; }
 fi
 
 
-if test "x$PKG_CONFIG" == "xno"; then
+if test "x$PKG_CONFIG" = "xno"; then
   { $as_echo "$as_me:$LINENO: WARNING:
 *** Check for pkg-config failed. Many packages requires it.
 *** You can download it from http://pkgconfig.sourceforge.net/  ." >&5
@@ -19544,16 +19544,16 @@ precision=PRECISION_U16
 # Check whether --enable-precision was given.
 if test "${enable_precision+set}" = set; then
   enableval=$enable_precision; if eval "test x$enable_precision != x"; then
-  if eval "test x$enable_precision == xu8"; then
+  if eval "test x$enable_precision = xu8"; then
     precision=PRECISION_U8
   fi
-  if eval "test x$enable_precision == xu16"; then
+  if eval "test x$enable_precision = xu16"; then
     precision=PRECISION_U16
   fi
-  if eval "test x$enable_precision == xhalf"; then
+  if eval "test x$enable_precision = xhalf"; then
     precision=PRECISION_FLOAT16
   fi
-  if eval "test x$enable_precision == xfloat"; then
+  if eval "test x$enable_precision = xfloat"; then
     precision=PRECISION_FLOAT
   fi
 fi