$NetBSD: patch-configure,v 1.2 2018/05/16 11:33:14 fhajny Exp $

Portability.

--- configure.orig	2018-05-14 08:49:08.000000000 +0000
+++ configure
@@ -3247,7 +3247,7 @@ $as_echo "#define OS_AIX 1" >>confdefs.h
     LDFLAGS="$LDFLAGS -brtl"
   ;;
 esac
- if test x$os_type == xapple; then
+ if test x$os_type = xapple; then
   OS_APPLE_TRUE=
   OS_APPLE_FALSE='#'
 else
@@ -3255,7 +3255,7 @@ else
   OS_APPLE_FALSE=
 fi
 
- if test x$os_type == xlinux; then
+ if test x$os_type = xlinux; then
   xOS_LINUX_TRUE=
   xOS_LINUX_FALSE='#'
 else
@@ -3263,7 +3263,7 @@ else
   xOS_LINUX_FALSE=
 fi
 
- if test x$os_type == xlinux; then
+ if test x$os_type = xlinux; then
   OS_LINUX_TRUE=
   OS_LINUX_FALSE='#'
 else
@@ -3271,7 +3271,7 @@ else
   OS_LINUX_FALSE=
 fi
 
- if test x$os_type == xsolaris; then
+ if test x$os_type = xsolaris; then
   OS_SOLARIS_TRUE=
   OS_SOLARIS_FALSE='#'
 else
@@ -14691,7 +14691,7 @@ fi
 
 
 fi
- if test "$enable_valgrind" == "yes"; then
+ if test "$enable_valgrind" = "yes"; then
   HAVE_VALGRIND_TRUE=
   HAVE_VALGRIND_FALSE='#'
 else