$NetBSD: patch-configure_ac,v 1.4 2015/04/07 12:54:36 dsainty Exp $

Recognise lower-case "netbsd" as BSD.

Correct shell test = syntax.

Allow Pkgsrc to manage dlopen() support.

--- configure.ac.orig	2015-02-05 15:52:37.000000000 +1300
+++ configure.ac	2015-04-01 23:24:28.305177975 +1300
@@ -23,7 +23,7 @@
         # Do something specific for linux
 		HOST_OS='linux'
         ;;
-   *BSD*)
+   *[[Bb][Ss][dD]]*)
         # Do something specific for BSD
 		HOST_OS='BSD'
         ;;
@@ -48,41 +48,41 @@
 AC_ARG_VAR(ZM_LOGDIR,[Location of generated log files, default /var/log/zm])
 AC_ARG_VAR(ZM_CONFIG_DIR,[Location of ZoneMinder configuration, default system config directory])
 
-if test "$ZM_DB_TYPE" == ""; then
+if test "$ZM_DB_TYPE" = ""; then
 	AC_SUBST(ZM_DB_TYPE,[mysql])
 fi
-if test "$ZM_DB_HOST" == ""; then
+if test "$ZM_DB_HOST" = ""; then
 	AC_SUBST(ZM_DB_HOST,[localhost])
 fi
-if test "$ZM_DB_NAME" == ""; then
+if test "$ZM_DB_NAME" = ""; then
 	AC_SUBST(ZM_DB_NAME,[zm])
 fi
-if test "$ZM_DB_USER" == ""; then
+if test "$ZM_DB_USER" = ""; then
 	AC_SUBST(ZM_DB_USER,[zmuser])
 fi
-if test "$ZM_DB_PASS" == ""; then
+if test "$ZM_DB_PASS" = ""; then
 	AC_SUBST(ZM_DB_PASS,[zmpass])
 fi
-if test "$ZM_SSL_LIB" == ""; then
+if test "$ZM_SSL_LIB" = ""; then
 	AC_SUBST(ZM_SSL_LIB,gnutls)
 fi
-if test "$ZM_MYSQL_ENGINE" == ""; then
+if test "$ZM_MYSQL_ENGINE" = ""; then
 	AC_SUBST(ZM_MYSQL_ENGINE,InnoDB)
 fi
-if test "$ZM_RUNDIR" == ""; then
+if test "$ZM_RUNDIR" = ""; then
 	AC_SUBST(ZM_RUNDIR,[/var/run/zm])
 fi
-if test "$ZM_SOCKDIR" == ""; then
+if test "$ZM_SOCKDIR" = ""; then
 	AC_SUBST(ZM_SOCKDIR,[/var/run/zm])
 fi
-if test "$ZM_TMPDIR" == ""; then
+if test "$ZM_TMPDIR" = ""; then
 	AC_SUBST(ZM_TMPDIR,[/tmp/zm])
 fi
-if test "$ZM_LOGDIR" == ""; then
+if test "$ZM_LOGDIR" = ""; then
 	AC_SUBST(ZM_LOGDIR,[/var/log/zm])
 fi
 AC_DEFINE_DIR([SYSCONFDIR],[sysconfdir],[Expanded configuration directory])
-if test "$ZM_CONFIG_DIR" == ""; then
+if test "$ZM_CONFIG_DIR" = ""; then
 	AC_SUBST(ZM_CONFIG_DIR,[$SYSCONFDIR])
 fi
 
@@ -254,7 +254,7 @@
     filesystem which will normally be the case by default.
     e.g. --enable-mmap=yes or --disable-mmap])
 )
-if test "$ENABLE_MMAP" == "yes"; then
+if test "$ENABLE_MMAP" = "yes"; then
   AC_DEFINE(ZM_MEM_MAPPED,1,"Whether to use mapped rather than shared memory")
 else
   AC_DEFINE(ZM_MEM_MAPPED,0,"Whether to use mapped rather than shared memory")
@@ -303,7 +303,7 @@
 AC_PATH_PROG(PATH_FFMPEG,ffmpeg)
 AC_CHECK_PROG(OPT_NETPBM,pnmscale,yes,no)
 AC_PATH_PROG(PATH_NETPBM,pnmscale)
-if test "$OPT_NETPBM" == "yes"; then
+if test "$OPT_NETPBM" = "yes"; then
 PATH_NETPBM=`dirname $PATH_NETPBM`
 fi
 
@@ -311,20 +311,20 @@
 AC_SEARCH_LIBS(mysql_init,[mysqlclient mariadbclient],,AC_MSG_ERROR(zm requires libmysqlclient.a or libmariadbclient.a))
 AC_CHECK_LIB(jpeg,jpeg_start_compress,,AC_MSG_ERROR(zm requires libjpeg.a))
 AC_CHECK_LIB(pthread,pthread_create,,AC_MSG_ERROR(zm requires libpthread.a))
-AC_CHECK_LIB(dl,dlsym,,AC_MSG_ERROR(zm requires libdl.a))
-if test "$ZM_SSL_LIB" == "openssl"; then
+#AC_CHECK_LIB(dl,dlsym,,AC_MSG_ERROR(zm requires libdl.a))
+if test "$ZM_SSL_LIB" = "openssl"; then
 AC_CHECK_HEADERS(openssl/md5.h,,AC_MSG_WARN(zm requires openssl/md5.h header to be installed for openssl),)
 AC_CHECK_LIB(crypto,MD5,,AC_MSG_WARN([libcrypto.a is required for authenticated streaming - use ZM_SSL_LIB option to select gnutls instead]))
 else
 AC_CHECK_HEADERS(gnutls/openssl.h,AC_SUBST(ZM_HAS_GNUTLS_OPENSSL,1),AC_SUBST(ZM_HAS_GNUTLS_OPENSSL,0),)
 AC_CHECK_HEADERS(gnutls/gnutls.h,AC_SUBST(ZM_HAS_GNUTLS,1),AC_SUBST(ZM_HAS_GNUTLS,0),)
-if test "$ZM_HAS_GNUTLS_OPENSSL" == "0" && test "$ZM_HAS_GNUTLS" == "0"; then
+if test "$ZM_HAS_GNUTLS_OPENSSL" = "0" && test "$ZM_HAS_GNUTLS" = "0"; then
 AC_MSG_WARN(gnutls is required for authenticated streaming - use ZM_SSL_LIB option to select openssl instead)
 fi
 AC_CHECK_HEADERS(gcrypt.h,,AC_MSG_WARN(zm requires libgcrypt headers to be installed for gnutls),)
 AC_CHECK_LIB(gcrypt,gcry_check_version,,AC_MSG_WARN([libgcrypt.a is required for authenticated streaming - use ZM_SSL_LIB option to select openssl instead]))
 AC_CHECK_LIB(gnutls,gnutls_fingerprint,,AC_MSG_WARN([libgnutls.a is required for authenticated streaming - use ZM_SSL_LIB option to select openssl instead]))
-if test "$ZM_HAS_GNUTLS_OPENSSL" == "1"; then
+if test "$ZM_HAS_GNUTLS_OPENSSL" = "1"; then
 AC_CHECK_LIB(gnutls-openssl,MD5,,AC_MSG_WARN([libgnutls.a is required for authenticated streaming - use ZM_SSL_LIB option to select openssl instead]))
 fi
 fi
@@ -356,7 +356,7 @@
 AC_CHECK_HEADERS(pthread.h,,,)
 AC_CHECK_HEADERS(linux/videodev.h,AC_SUBST(ZM_HAS_V4L1,1),AC_SUBST(ZM_HAS_V4L1,0),)
 AC_CHECK_HEADERS(linux/videodev2.h,AC_SUBST(ZM_HAS_V4L2,1),AC_SUBST(ZM_HAS_V4L2,0),)
-if test "$ZM_HAS_V4L1" == "1" || test "$ZM_HAS_V4L2" == "1"; then
+if test "$ZM_HAS_V4L1" = "1" || test "$ZM_HAS_V4L2" = "1"; then
 AC_SUBST(ZM_HAS_V4L,1)
 else
 AC_SUBST(ZM_HAS_V4L,0)
@@ -372,7 +372,7 @@
 AC_LANG_POP([C])
 AC_CHECK_HEADERS(pcre/pcre.h,AC_SUBST(ZM_PCRE,"1"),,)
 AC_CHECK_HEADERS(pcre.h,AC_SUBST(ZM_PCRE,"1"),,)
-if test "$ENABLE_MMAP" == "yes"; then
+if test "$ENABLE_MMAP" = "yes"; then
 AC_CHECK_HEADERS(sys/mman.h,,,)
 AC_CHECK_HEADERS(fcntl.h,,,)
 else
@@ -383,11 +383,11 @@
 AC_CHECK_HEADERS(vlc/vlc.h,,,)
 AC_CHECK_HEADERS(curl/curl.h,,,)
 
-if test "$ZM_SSL_LIB" == "openssl"; then
+if test "$ZM_SSL_LIB" = "openssl"; then
 AC_CHECK_DECLS(MD5,,AC_MSG_ERROR([zm requires openssl/md5.h - use ZM_SSL_LIB option to select gnutls instead]),[#include <stdlib.h>
 #include <openssl/md5.h>])
 else
-if test "$ZM_HAS_GNUTLS_OPENSSL" == "1"; then
+if test "$ZM_HAS_GNUTLS_OPENSSL" = "1"; then
 AC_CHECK_DECLS(MD5,,AC_MSG_ERROR([zm requires gnutls/openssl.h - use ZM_SSL_LIB option to select openssl instead]),[#include <stdlib.h>
 #include <gnutls/openssl.h>])
 else
@@ -411,7 +411,7 @@
 AC_PROG_PERL_MODULES(Date::Manip,,AC_MSG_ERROR(zm requires Date::Manip))
 AC_PROG_PERL_MODULES(LWP::UserAgent,,AC_MSG_ERROR(zm requires LWP::UserAgent))
 AC_PROG_PERL_MODULES(ExtUtils::MakeMaker,,AC_MSG_ERROR(zm requires ExtUtils::MakeMaker))
-if test "$ENABLE_MMAP" == "yes"; then
+if test "$ENABLE_MMAP" = "yes"; then
 AC_PROG_PERL_MODULES(Sys::Mmap,,AC_MSG_ERROR(zm requires Sys::Mmap for mapped memory - set --enable-mmap=no to use IPC shared memory instead))
 fi