Imported Upstream version 2.2.4upstream/2.2.4

Change-Id: I6e6af59f8c880d483a83eb33c963ac9fb5ec2e4d
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

14 files changed, 145 insertions, 123 deletions

diff --git a/config-scripts/cups-common.m4 b/config-scripts/cups-common.m4
index b5075fd..8136ce1 100644
--- a/config-scripts/cups-common.m4
+++ b/config-scripts/cups-common.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Common configuration stuff for CUPS.
 dnl
-dnl Copyright 2007-2016 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -161,7 +161,7 @@ AC_CHECK_FUNCS(statfs statvfs)
 
 dnl Checks for string functions.
 AC_CHECK_FUNCS(strdup strlcat strlcpy)
-if test "$uname" = "HP-UX" -a "$uversion" = "1020"; then
+if test "$host_os_name" = "hp-ux" -a "$host_os_version" = "1020"; then
 	echo Forcing snprintf emulation for HP-UX.
 else
 	AC_CHECK_FUNCS(snprintf vsnprintf)
@@ -180,8 +180,8 @@ dnl Check for vsyslog function.
 AC_CHECK_FUNCS(vsyslog)
 
 dnl Checks for signal functions.
-case "$uname" in
-	Linux | GNU)
+case "$host_os_name" in
+	linux* | gnu*)
 		# Do not use sigset on Linux or GNU HURD
 		;;
 	*)
@@ -229,7 +229,7 @@ AC_SUBST(LIBUSB)
 AC_SUBST(USBQUIRKS)
 
 if test "x$PKGCONFIG" != x; then
-	if test x$enable_libusb != xno -a $uname != Darwin; then
+	if test x$enable_libusb != xno -a $host_os_name != darwin; then
 		AC_MSG_CHECKING(for libusb-1.0)
 		if $PKGCONFIG --exists libusb-1.0; then
 			AC_MSG_RESULT(yes)
@@ -277,8 +277,8 @@ AC_SUBST(INSTALL_GZIP)
 AC_SUBST(LIBZ)
 
 dnl Flags for "ar" command...
-case $uname in
-        Darwin* | *BSD*)
+case $host_os_name in
+        darwin* | *bsd*)
                 ARFLAGS="-rcv"
                 ;;
         *)
@@ -313,7 +313,7 @@ DBUSDIR=""
 DBUS_NOTIFIER=""
 DBUS_NOTIFIERLIBS=""
 
-if test "x$enable_dbus" != xno -a "x$PKGCONFIG" != x -a "x$uname" != xDarwin; then
+if test "x$enable_dbus" != xno -a "x$PKGCONFIG" != x -a "x$host_os_name" != xdarwin; then
 	AC_MSG_CHECKING(for DBUS)
 	if $PKGCONFIG --exists dbus-1; then
 		AC_MSG_RESULT(yes)
@@ -347,8 +347,8 @@ CUPS_DEFAULT_SYSTEM_AUTHKEY=""
 CUPS_SYSTEM_AUTHKEY=""
 INSTALLXPC=""
 
-case $uname in
-        Darwin*)
+case $host_os_name in
+        darwin*)
                 BACKLIBS="$BACKLIBS -framework IOKit"
                 SERVERLIBS="$SERVERLIBS -framework IOKit -weak_framework ApplicationServices"
                 LIBS="-framework SystemConfiguration -framework CoreFoundation -framework Security $LIBS"
@@ -406,10 +406,10 @@ case $uname in
 		AC_CHECK_HEADER(Security/SecBasePriv.h,AC_DEFINE(HAVE_SECBASEPRIV_H))
 
 		dnl Check for sandbox/Seatbelt support
-		if test $uversion -ge 100; then
+		if test $host_os_version -ge 100; then
 			AC_CHECK_HEADER(sandbox.h,AC_DEFINE(HAVE_SANDBOX_H))
 		fi
-		if test $uversion -ge 110 -a $uversion -lt 120; then
+		if test $host_os_version -ge 110 -a $host_os_version -lt 120; then
 			# Broken public headers in 10.7.x...
 			AC_MSG_CHECKING(for sandbox/private.h presence)
 			if test -f /usr/local/include/sandbox/private.h; then
diff --git a/config-scripts/cups-compiler.m4 b/config-scripts/cups-compiler.m4
index d9490a7..bf4411e 100644
--- a/config-scripts/cups-compiler.m4
+++ b/config-scripts/cups-compiler.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Compiler stuff for CUPS.
 dnl
-dnl Copyright 2007-2014 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -46,6 +46,10 @@ fi
 
 dnl Unit tests take up time during a compile...
 if test x$enable_unit_tests = xyes; then
+        if test "$build" != "$host"; then
+                AC_MSG_ERROR([Sorry, cannot build unit tests when cross-compiling.])
+        fi
+
 	UNITTESTS="unittests"
 else
 	UNITTESTS=""
@@ -63,7 +67,7 @@ else
 fi
 
 if test -z "$with_ldarchflags"; then
-	if test "$uname" = Darwin; then
+	if test "$host_os_name" = darwin; then
 		# Only create Intel programs by default
 		LDARCHFLAGS="`echo $ARCHFLAGS | sed -e '1,$s/-arch ppc64//'`"
 	else
@@ -130,8 +134,8 @@ if test -n "$GCC"; then
 		# Not available to LSB binaries...
 		AC_MSG_CHECKING(whether compiler supports -fPIE)
 		OLDCFLAGS="$CFLAGS"
-		case "$uname" in
-			Darwin*)
+		case "$host_os_name" in
+			darwin*)
 				CFLAGS="$CFLAGS -fPIE -Wl,-pie"
 				AC_TRY_COMPILE(,,[
 					PIEFLAGS="-fPIE -Wl,-pie"
@@ -187,8 +191,8 @@ if test -n "$GCC"; then
 		fi
 	fi
 
-	case "$uname" in
-		Darwin*)
+	case "$host_os_name" in
+		darwin*)
 			# -D_FORTIFY_SOURCE=2 adds additional object size
 			# checking, basically wrapping all string functions
 			# with buffer-limited ones.  Not strictly needed for
@@ -197,7 +201,7 @@ if test -n "$GCC"; then
 			CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
 			;;
 
-		Linux*)
+		linux*)
 			# The -z relro option is provided by the Linux linker command to
 			# make relocatable data read-only.
 			if test x$enable_relro = xyes; then
@@ -207,8 +211,8 @@ if test -n "$GCC"; then
 	esac
 else
 	# Add vendor-specific compiler options...
-	case $uname in
-		SunOS*)
+	case $host_os_name in
+		sunos*)
 			# Solaris
 			if test -z "$OPTIM"; then
 				if test "x$with_optim" = x; then
@@ -235,8 +239,8 @@ else
 fi
 
 # Add general compiler options per platform...
-case $uname in
-	Linux*)
+case $host_os_name in
+	linux*)
 		# glibc 2.8 and higher breaks peer credentials unless you
 		# define _GNU_SOURCE...
 		OPTIM="$OPTIM -D_GNU_SOURCE"
diff --git a/config-scripts/cups-defaults.m4 b/config-scripts/cups-defaults.m4
index c29d587..9fd9968 100644
--- a/config-scripts/cups-defaults.m4
+++ b/config-scripts/cups-defaults.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Default cupsd configuration settings for CUPS.
 dnl
-dnl Copyright 2007-2015 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 2006-2007 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -25,7 +25,7 @@ AC_SUBST(LANGUAGES)
 dnl macOS bundle-based localization support
 AC_ARG_WITH(bundledir, [  --with-bundledir        set macOS localization bundle directory ],
 	CUPS_BUNDLEDIR="$withval",
-	if test "x$uname" = xDarwin -a $uversion -ge 100; then
+	if test "x$host_os_name" = xdarwin -a $host_os_version -ge 100; then
 		CUPS_BUNDLEDIR="/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A"
 		LANGUAGES=""
 	else
@@ -37,21 +37,41 @@ if test "x$CUPS_BUNDLEDIR" != x; then
 	AC_DEFINE_UNQUOTED(CUPS_BUNDLEDIR, "$CUPS_BUNDLEDIR")
 fi
 
+dnl Default executable file permissions
+AC_ARG_WITH(exe_file_perm, [  --with-exe-file-perm set default exectuable permissions value, default=0555],
+	CUPS_EXE_FILE_PERM="$withval",
+	[case "$host_os_name" in
+		linux* | gnu*)
+			CUPS_EXE_FILE_PERM="755"
+			;;
+		*)
+			CUPS_EXE_FILE_PERM="555"
+			;;
+	esac])
+AC_SUBST(CUPS_EXE_FILE_PERM)
+
 dnl Default ConfigFilePerm
 AC_ARG_WITH(config_file_perm, [  --with-config-file-perm set default ConfigFilePerm value, default=0640],
 	CUPS_CONFIG_FILE_PERM="$withval",
-	if test "x$uname" = xDarwin; then
+	[if test "x$host_os_name" = xdarwin; then
 		CUPS_CONFIG_FILE_PERM="644"
 	else
 		CUPS_CONFIG_FILE_PERM="640"
-	fi)
+	fi])
 AC_SUBST(CUPS_CONFIG_FILE_PERM)
 AC_DEFINE_UNQUOTED(CUPS_DEFAULT_CONFIG_FILE_PERM, 0$CUPS_CONFIG_FILE_PERM)
 
 dnl Default permissions for cupsd
 AC_ARG_WITH(cupsd_file_perm, [  --with-cupsd-file-perm  set default cupsd permissions, default=0500],
 	CUPS_CUPSD_FILE_PERM="$withval",
-	CUPS_CUPSD_FILE_PERM="500")
+	[case "$host_os_name" in
+		linux* | gnu*)
+			CUPS_CUPSD_FILE_PERM="700"
+			;;
+		*)
+			CUPS_CUPSD_FILE_PERM="500"
+			;;
+	esac])
 AC_SUBST(CUPS_CUPSD_FILE_PERM)
 
 dnl Default LogFilePerm
@@ -141,7 +161,7 @@ dnl Determine the correct username and group for this OS...
 AC_ARG_WITH(cups_user, [  --with-cups-user        set default user for CUPS],
 	CUPS_USER="$withval",
 	AC_MSG_CHECKING(for default print user)
-	if test x$uname = xDarwin; then
+	if test x$host_os_name = xdarwin; then
 		if test x`id -u _lp 2>/dev/null` = x; then
 			CUPS_USER="lp";
 		else
@@ -174,7 +194,7 @@ fi
 AC_ARG_WITH(cups_group, [  --with-cups-group       set default group for CUPS],
 	CUPS_GROUP="$withval",
 	AC_MSG_CHECKING(for default print group)
-	if test x$uname = xDarwin; then
+	if test x$host_os_name = xdarwin; then
 		if test x`id -g _lp 2>/dev/null` = x; then
 			CUPS_GROUP="lp";
 		else
@@ -207,7 +227,7 @@ fi
 
 AC_ARG_WITH(system_groups, [  --with-system-groups    set default system groups for CUPS],
 	CUPS_SYSTEM_GROUPS="$withval",
-	if test x$uname = xDarwin; then
+	if test x$host_os_name = xdarwin; then
 		CUPS_SYSTEM_GROUPS="admin"
 	else
 		AC_MSG_CHECKING(for default system groups)
@@ -260,15 +280,15 @@ AC_ARG_WITH(printcap, [  --with-printcap         set default printcap file],
 
 if test x$default_printcap != xno; then
 	if test "x$default_printcap" = "xdefault"; then
-		case $uname in
-			Darwin*)
-				if test $uversion -ge 90; then
+		case $host_os_name in
+			darwin*)
+				if test $host_os_version -ge 90; then
 					CUPS_DEFAULT_PRINTCAP="/Library/Preferences/org.cups.printers.plist"
 				else
 					CUPS_DEFAULT_PRINTCAP="/etc/printcap"
 				fi
 				;;
-			SunOS*)
+			sunos*)
 				CUPS_DEFAULT_PRINTCAP="/etc/printers.conf"
 				;;
 			*)
@@ -292,8 +312,8 @@ AC_ARG_WITH(lpdconfigfile, [  --with-lpdconfigfile    set default LPDConfigFile
 
 if test x$default_lpdconfigfile != xno; then
 	if test "x$default_lpdconfigfile" = "xdefault"; then
-		case $uname in
-			Darwin*)
+		case $host_os_name in
+			darwin*)
 				CUPS_DEFAULT_LPD_CONFIG_FILE="launchd:///System/Library/LaunchDaemons/org.cups.cups-lpd.plist"
 				;;
 			*)
@@ -360,7 +380,7 @@ AC_ARG_WITH(snmp-address, [  --with-snmp-address     set SNMP query address, def
 	else
 		CUPS_SNMP_ADDRESS="Address $withval"
 	fi,
-	if test "x$uname" = xDarwin; then
+	if test "x$host_os_name" = xdarwin; then
 		CUPS_SNMP_ADDRESS=""
 	else
 		CUPS_SNMP_ADDRESS="Address @LOCAL"
@@ -393,7 +413,7 @@ case "x$enable_webif" in
 		CUPS_DEFAULT_WEBIF=1
 		;;
 	*)
-		if test $uname = Darwin; then
+		if test $host_os_name = darwin; then
 			CUPS_WEBIF=No
 			CUPS_DEFAULT_WEBIF=0
 		else
diff --git a/config-scripts/cups-directories.m4 b/config-scripts/cups-directories.m4
index 2ba0174..c995507 100644
--- a/config-scripts/cups-directories.m4
+++ b/config-scripts/cups-directories.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Directory stuff for CUPS.
 dnl
-dnl Copyright 2007-2016 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -74,7 +74,7 @@ fi
 dnl Fix "localstatedir" variable if it hasn't been specified...
 if test "$localstatedir" = "\${prefix}/var"; then
 	if test "$prefix" = "/"; then
-		if test "$uname" = Darwin; then
+		if test "$host_os_name" = darwin; then
 			localstatedir="/private/var"
 		else
 			localstatedir="/var"
@@ -87,7 +87,7 @@ fi
 dnl Fix "sysconfdir" variable if it hasn't been specified...
 if test "$sysconfdir" = "\${prefix}/etc"; then
 	if test "$prefix" = "/"; then
-		if test "$uname" = Darwin; then
+		if test "$host_os_name" = darwin; then
 			sysconfdir="/private/etc"
 		else
 			sysconfdir="/etc"
@@ -99,8 +99,8 @@ fi
 
 dnl Fix "libdir" variable...
 if test "$libdir" = "\${exec_prefix}/lib"; then
-	case "$uname" in
-		Linux*)
+	case "$host_os_name" in
+		linux*)
 			if test -d /usr/lib64 -a ! -d /usr/lib64/fakeroot; then
 				libdir="$exec_prefix/lib64"
 			fi
@@ -165,7 +165,7 @@ dnl Setup default locations...
 AC_ARG_WITH(cachedir, [  --with-cachedir         set path for cache files],cachedir="$withval",cachedir="")
 
 if test x$cachedir = x; then
-	if test "x$uname" = xDarwin; then
+	if test "x$host_os_name" = xdarwin; then
 		CUPS_CACHEDIR="$localstatedir/spool/cups/cache"
 	else
 		CUPS_CACHEDIR="$localstatedir/cache/cups"
@@ -230,8 +230,8 @@ AC_DEFINE_UNQUOTED(CUPS_FONTPATH, "$CUPS_FONTPATH")
 
 # Locale data
 if test "$localedir" = "\${datarootdir}/locale"; then
-	case "$uname" in
-		Linux | GNU | *BSD* | Darwin*)
+	case "$host_os_name" in
+		linux* | gnu* | *bsd* | darwin*)
 			CUPS_LOCALEDIR="$datarootdir/locale"
 			;;
 
@@ -265,8 +265,8 @@ AC_DEFINE_UNQUOTED(CUPS_REQUESTS, "$localstatedir/spool/cups")
 AC_SUBST(CUPS_REQUESTS)
 
 # Server executables...
-case "$uname" in
-	*BSD* | Darwin*)
+case "$host_os_name" in
+	*bsd* | darwin*)
 		# *BSD and Darwin (macOS)
 		INSTALL_SYSV=""
 		CUPS_SERVERBIN="$exec_prefix/libexec/cups"
@@ -289,8 +289,8 @@ AC_SUBST(CUPS_SERVERROOT)
 
 # Transient run-time state
 AC_ARG_WITH(rundir, [  --with-rundir           set transient run-time state directory],CUPS_STATEDIR="$withval",[
-	case "$uname" in
-		Darwin*)
+	case "$host_os_name" in
+		darwin*)
 			# Darwin (macOS)
 			CUPS_STATEDIR="$CUPS_SERVERROOT"
 			;;
diff --git a/config-scripts/cups-dnssd.m4 b/config-scripts/cups-dnssd.m4
index dc9cf81..31062f9 100644
--- a/config-scripts/cups-dnssd.m4
+++ b/config-scripts/cups-dnssd.m4
@@ -1,7 +1,7 @@
 dnl
 dnl DNS Service Discovery (aka Bonjour) stuff for CUPS.
 dnl
-dnl Copyright 2007-2016 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl
 dnl These coded instructions, statements, and computer programs are the
 dnl property of Apple Inc. and are protected by Federal copyright
@@ -24,7 +24,7 @@ DNSSD_BACKEND=""
 IPPFIND_BIN=""
 IPPFIND_MAN=""
 
-if test "x$PKGCONFIG" != x -a x$enable_avahi != xno -a x$uname != xDarwin; then
+if test "x$PKGCONFIG" != x -a x$enable_avahi != xno -a x$host_os_name != xdarwin; then
 	AC_MSG_CHECKING(for Avahi)
 	if $PKGCONFIG --exists avahi-client; then
 		AC_MSG_RESULT(yes)
@@ -41,8 +41,8 @@ fi
 
 if test "x$DNSSD_BACKEND" = x -a x$enable_dnssd != xno; then
 	AC_CHECK_HEADER(dns_sd.h, [
-		case "$uname" in
-			Darwin*)
+		case "$host_os_name" in
+			darwin*)
 				# Darwin and macOS...
 				AC_DEFINE(HAVE_DNSSD)
 				DNSSDLIBS="-framework CoreFoundation -framework SystemConfiguration"
diff --git a/config-scripts/cups-gssapi.m4 b/config-scripts/cups-gssapi.m4
index f2687f6..974902c 100644
--- a/config-scripts/cups-gssapi.m4
+++ b/config-scripts/cups-gssapi.m4
@@ -1,7 +1,7 @@
 dnl
 dnl GSSAPI/Kerberos library detection for CUPS.
 dnl
-dnl Copyright 2007-2013 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 2006-2007 by Easy Software Products.
 dnl
 dnl This file contains Kerberos support code, copyright 2006 by
@@ -22,8 +22,8 @@ AC_SUBST(LIBGSSAPI)
 if test x$enable_gssapi != xno; then
 	AC_PATH_TOOL(KRB5CONFIG, krb5-config)
 	if test "x$KRB5CONFIG" != x; then
-		case "$uname" in
-			Darwin)
+		case "$host_os_name" in
+			darwin)
 				# macOS weak-links to the Kerberos framework...
 				LIBGSSAPI="-weak_framework Kerberos"
 				AC_MSG_CHECKING(for GSS framework)
@@ -34,7 +34,7 @@ if test x$enable_gssapi != xno; then
 					AC_MSG_RESULT(no)
 				fi
 				;;
-			SunOS*)
+			sunos*)
 				# Solaris has a non-standard krb5-config, don't use it!
 				AC_CHECK_LIB(gss, gss_display_status,
 					AC_DEFINE(HAVE_GSSAPI, 1, [Whether GSSAPI is available])
@@ -52,13 +52,13 @@ if test x$enable_gssapi != xno; then
 		AC_DEFINE(HAVE_GSSAPI, 1, [Whether GSSAPI is available])
 	else
 		# Check for vendor-specific implementations...
-		case "$uname" in
-			HP-UX*)
+		case "$host_os_name" in
+			hp-ux*)
 				AC_CHECK_LIB(gss, gss_display_status,
 					AC_DEFINE(HAVE_GSSAPI, 1, [Whether GSSAPI is available])
 					LIBGSSAPI="-lgss -lgssapi_krb5")
 				;;
-			SunOS*)
+			sunos*)
 				AC_CHECK_LIB(gss, gss_display_status,
 					AC_DEFINE(HAVE_GSSAPI, 1, [Whether GSSAPI is available])
 					LIBGSSAPI="-lgss")
diff --git a/config-scripts/cups-manpages.m4 b/config-scripts/cups-manpages.m4
index 00a8c76..e693e3a 100644
--- a/config-scripts/cups-manpages.m4
+++ b/config-scripts/cups-manpages.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Manpage stuff for CUPS.
 dnl
-dnl Copyright 2007-2016 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2006 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -19,8 +19,8 @@ if test "$mandir" = "\${datarootdir}/man" -a "$prefix" = "/"; then
 fi
 
 if test "$mandir" = "\${prefix}/man" -a "$prefix" = "/"; then
-	case "$uname" in
-        	Darwin* | Linux | GNU | *BSD*)
+	case "$host_os_name" in
+        	darwin* | linux* | gnu* | *bsd*)
         		# Darwin, macOS, Linux, GNU HURD, and *BSD
         		mandir="/usr/share/man"
         		AMANDIR="/usr/share/man"
@@ -42,8 +42,8 @@ AC_SUBST(AMANDIR)
 AC_SUBST(PMANDIR)
 
 dnl Setup manpage extensions...
-case "$uname" in
-	SunOS*)
+case "$host_os_name" in
+	sunos*)
 		# Solaris
 		MAN1EXT=1
 		MAN5EXT=5
@@ -51,7 +51,7 @@ case "$uname" in
 		MAN8EXT=1m
 		MAN8DIR=1m
 		;;
-	Linux* | GNU* | Darwin*)
+	linux* | gnu* | darwin*)
 		# Linux, GNU Hurd, and macOS
 		MAN1EXT=1.gz
 		MAN5EXT=5.gz
diff --git a/config-scripts/cups-network.m4 b/config-scripts/cups-network.m4
index d295368..081ef4d 100644
--- a/config-scripts/cups-network.m4
+++ b/config-scripts/cups-network.m4
@@ -28,7 +28,7 @@ AC_SEARCH_LIBS(__res_init, resolv bind, AC_DEFINE(HAVE_RES_INIT),
 
 # Tru64 5.1b leaks file descriptors with these functions; disable until
 # we can come up with a test for this...
-if test "$uname" != "OSF1"; then
+if test "$host_os_name" != "osf1"; then
 	AC_SEARCH_LIBS(getaddrinfo, nsl, AC_DEFINE(HAVE_GETADDRINFO))
 	AC_SEARCH_LIBS(getnameinfo, nsl, AC_DEFINE(HAVE_GETNAMEINFO))
 fi
@@ -45,8 +45,8 @@ AC_ARG_WITH(domainsocket, [  --with-domainsocket     set unix domain socket name
 
 if test x$enable_domainsocket != xno -a x$default_domainsocket != xno; then
 	if test "x$default_domainsocket" = x; then
-		case "$uname" in
-			Darwin*)
+		case "$host_os_name" in
+			darwin*)
 				# Darwin and macOS do their own thing...
 				CUPS_DEFAULT_DOMAINSOCKET="$localstatedir/run/cupsd"
 				;;
diff --git a/config-scripts/cups-opsys.m4 b/config-scripts/cups-opsys.m4
index 655a95d..d854547 100644
--- a/config-scripts/cups-opsys.m4
+++ b/config-scripts/cups-opsys.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Operating system stuff for CUPS.
 dnl
-dnl Copyright 2007-2012 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2006 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -11,23 +11,27 @@ dnl which should have been included with this file.  If this file is
 dnl missing or damaged, see the license at "http://www.cups.org/".
 dnl
 
-dnl Get the operating system, version number, and architecture...
-uname=`uname`
-uversion=`uname -r | sed -e '1,$s/^[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\).*/\1\2/'`
-uarch=`uname -m`
+dnl Get the build and host platforms and split the host_os value
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
 
-case "$uname" in
-	Darwin*)
-		uname="Darwin"
-		if test $uversion -lt 120; then
-			AC_MSG_ERROR([Sorry, this version of CUPS requires macOS 10.8 or higher.])
-		fi
-		;;
+[host_os_name=`echo $host_os | sed -e '1,$s/[0-9.]*$//g'`]
+[host_os_version=`echo $host_os | sed -e '1,$s/^[^0-9.]*//g' | awk -F. '{print $1 $2}'`]
+# Linux often does not yield an OS version we can use...
+if test "x$host_os_version" = x; then
+        host_os_version="0"
+fi
 
-	GNU* | GNU/*)
-		uname="GNU"
-		;;
-	Linux*)
-		uname="Linux"
-		;;
-esac
+if test "$host_os_name" = darwin -a $host_os_version -lt 120; then
+        AC_MSG_ERROR([Sorry, this version of CUPS requires macOS 10.8 or higher.])
+fi
+
+dnl Determine whether we are cross-compiling...
+if test "$build" = "$host"; then
+        # No, build local targets
+	LOCALTARGET="local"
+else
+        # Yes, don't build local targets
+	LOCALTARGET=""
+fi
+AC_SUBST(LOCALTARGET)
diff --git a/config-scripts/cups-pam.m4 b/config-scripts/cups-pam.m4
index 00ada06..0adec38 100644
--- a/config-scripts/cups-pam.m4
+++ b/config-scripts/cups-pam.m4
@@ -1,7 +1,7 @@
 dnl
 dnl PAM stuff for CUPS.
 dnl
-dnl Copyright 2007-2013 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -52,8 +52,8 @@ if test x$enable_pam != xno; then
 
 	LIBS="$SAVELIBS"
 
-	case "$uname" in
-		Darwin*)
+	case "$host_os_name" in
+		darwin*)
 			# Darwin/macOS
 			if test "x$with_pam_module" != x; then
 				PAMFILE="pam.$with_pam_module"
diff --git a/config-scripts/cups-sharedlibs.m4 b/config-scripts/cups-sharedlibs.m4
index 2362e38..6e6b582 100644
--- a/config-scripts/cups-sharedlibs.m4
+++ b/config-scripts/cups-sharedlibs.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Shared library support for CUPS.
 dnl
-dnl Copyright 2007-2013 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -21,8 +21,8 @@ LIBCUPSBASE="lib$cupsbase"
 LIBCUPSSTATIC="lib$cupsbase.a"
 
 if test x$enable_shared != xno; then
-	case "$uname" in
-		SunOS*)
+	case "$host_os_name" in
+		sunos*)
 			LIBCUPS="lib$cupsbase.so.2"
 			LIBCUPSCGI="libcupscgi.so.1"
 			LIBCUPSIMAGE="libcupsimage.so.2"
@@ -32,7 +32,7 @@ if test x$enable_shared != xno; then
 			DSOXX="\$(CXX)"
 			DSOFLAGS="$DSOFLAGS -Wl,-h\`basename \$@\` -G \$(OPTIM)"
 			;;
-		Linux | GNU | *BSD*)
+		linux* | gnu* | *bsd*)
 			LIBCUPS="lib$cupsbase.so.2"
 			LIBCUPSCGI="libcupscgi.so.1"
 			LIBCUPSIMAGE="libcupsimage.so.2"
@@ -42,7 +42,7 @@ if test x$enable_shared != xno; then
 			DSOXX="\$(CXX)"
 			DSOFLAGS="$DSOFLAGS -Wl,-soname,\`basename \$@\` -shared \$(OPTIM)"
 			;;
-		Darwin*)
+		darwin*)
 			LIBCUPS="lib$cupsbase.2.dylib"
 			LIBCUPSCGI="libcupscgi.1.dylib"
 			LIBCUPSIMAGE="libcupsimage.2.dylib"
@@ -120,8 +120,8 @@ if test "$DSO" != ":"; then
 	# Tell the run-time linkers where to find a DSO.  Some platforms
 	# need this option, even when the library is installed in a
 	# standard location...
-	case $uname in
-                SunOS*)
+	case $host_os_name in
+                sunos*)
                 	# Solaris...
 			if test $exec_prefix != /usr; then
 				DSOFLAGS="-R$libdir $DSOFLAGS"
@@ -129,7 +129,7 @@ if test "$DSO" != ":"; then
 				EXPORT_LDFLAGS="-R$libdir"
 			fi
 			;;
-                *BSD*)
+                *bsd*)
                         # *BSD...
 			if test $exec_prefix != /usr; then
 				DSOFLAGS="-Wl,-R$libdir $DSOFLAGS"
@@ -137,7 +137,7 @@ if test "$DSO" != ":"; then
 				EXPORT_LDFLAGS="-Wl,-R$libdir"
 			fi
 			;;
-                Linux | GNU)
+                linux* | gnu*)
                         # Linux, and HURD...
 			if test $exec_prefix != /usr; then
 				DSOFLAGS="-Wl,-rpath,$libdir $DSOFLAGS"
diff --git a/config-scripts/cups-ssl.m4 b/config-scripts/cups-ssl.m4
index 1604900..1902e8a 100644
--- a/config-scripts/cups-ssl.m4
+++ b/config-scripts/cups-ssl.m4
@@ -1,7 +1,7 @@
 dnl
 dnl TLS stuff for CUPS.
 dnl
-dnl Copyright 2007-2015 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -23,7 +23,7 @@ CUPS_SERVERKEYCHAIN=""
 if test x$enable_ssl != xno; then
     dnl Look for CDSA...
     if test $have_ssl = 0 -a "x$enable_cdsassl" != "xno"; then
-	if test $uname = Darwin; then
+	if test $host_os_name = darwin; then
 	    AC_CHECK_HEADER(Security/SecureTransport.h, [
 	    	have_ssl=1
 		AC_DEFINE(HAVE_SSL)
@@ -52,7 +52,7 @@ if test x$enable_ssl != xno; then
 		AC_DEFINE(HAVE_CSSMERRORSTRING)
 		AC_DEFINE(HAVE_SECKEYCHAINOPEN)])
 
-		if test $uversion -ge 150; then
+		if test $host_os_version -ge 150; then
 			AC_DEFINE(HAVE_SSLSETENABLEDCIPHERS)
 		fi
 	fi
diff --git a/config-scripts/cups-startup.m4 b/config-scripts/cups-startup.m4
index 04fc87d..978daae 100644
--- a/config-scripts/cups-startup.m4
+++ b/config-scripts/cups-startup.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Launch-on-demand/startup stuff for CUPS.
 dnl
-dnl Copyright 2007-2016 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -27,16 +27,10 @@ if test x$enable_launchd != xno; then
 		AC_DEFINE(HAVE_ONDEMAND)])
 	AC_CHECK_HEADER(launch.h, AC_DEFINE(HAVE_LAUNCH_H))
 
-	case "$uname" in
-		Darwin*)
-			# Darwin, macOS
-			LAUNCHD_DIR="/System/Library/LaunchDaemons"
-			# liblaunch is already part of libSystem
-			;;
-		*)
-			# All others; this test will need to be updated
-			;;
-	esac
+	if test "$host_os_name" = darwin; then
+	        LAUNCHD_DIR="/System/Library/LaunchDaemons"
+		# liblaunch is already part of libSystem
+	fi
 fi
 
 dnl Systemd is used on Linux...
@@ -123,13 +117,13 @@ if test x$rcdir = x; then
 fi
 
 if test "x$rcstart" = x; then
-	case "$uname" in
-        	Linux | GNU | GNU/k*BSD*)
+	case "$host_os_name" in
+        	linux* | gnu*)
                 	# Linux
                         rcstart="81"
                       	;;
 
-		SunOS*)
+		sunos*)
 			# Solaris
                         rcstart="81"
 			;;
@@ -142,8 +136,8 @@ if test "x$rcstart" = x; then
 fi
 
 if test "x$rcstop" = x; then
-	case "$uname" in
-        	Linux | GNU | GNU/k*BSD*)
+	case "$host_os_name" in
+        	linux* | gnu*)
                 	# Linux
                         rcstop="36"
                       	;;
diff --git a/config-scripts/cups-threads.m4 b/config-scripts/cups-threads.m4
index d4e3f01..ae6044d 100644
--- a/config-scripts/cups-threads.m4
+++ b/config-scripts/cups-threads.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Threading stuff for CUPS.
 dnl
-dnl Copyright 2007-2011 by Apple Inc.
+dnl Copyright 2007-2017 by Apple Inc.
 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
 dnl
 dnl These coded instructions, statements, and computer programs are the
@@ -36,7 +36,7 @@ if test "x$enable_threads" != xno; then
 
 				# Solaris requires -D_POSIX_PTHREAD_SEMANTICS to
 				# be POSIX-compliant... :(
-				if test $uname = SunOS; then
+				if test $host_os_name = sunos; then
 					PTHREAD_FLAGS="$PTHREAD_FLAGS -D_POSIX_PTHREAD_SEMANTICS"
 				fi
 				break