Makefile variables

Available Variables in local.mk

Variable name	Explanation	Example
PUBLISH_URL
PUBLISH_API_KEY
DISTRIBUTOR
DISTRIBUTOR_URL
PUBLISH_URL
REPORT_URL
DEFAULT_TC	Define default DSM version to be built by default. Multiple version can be passed in argument. This will be used to build all required packages when using make all-supported	DEFAULT_TC = 6.1 7.0
PSTAT	Enable parallel compile stats using time when compiling This generates a build.stats.log in the working directory	===> MAKELEVEL: 1, PARALLEL_MAKE: max, ARCH: native, NAME: python3 90.55user 7.09system 0:11.58elapsed 842%CPU (0avgtext+0avgdata 115260maxresident)k 649375inputs+219627outputs (30major+1471914minor)pagefaults 0swaps
PARALLEL_MAKE	Ability to build multiple archs in parallel. This also honor the -j flag within each arch parallel builds	PARALLEL_BUILD=4 make -j4 all-supported PARALLEL_BUILD=max make all-supported

Available Variables in src/service-setup.sh

Variable name	Explanation	Example
SYNOPKG_PKGDEST	Default application path. Variable provided by Synology DSM environment natively.	/var/packages/<app>/target
SYNOPKG_SPKVAR	Default application var directory	DSM6: /var/packages/<app>/target/var DSM7: /var/packages/<app>/var

Available Variables in cross/ Makefiles

Variable name	Explanation	Example
%_TARGET	ability to overwrite the default target values: (CONFIGURE, BUILD, INSTALL, PATCH, PATCH, DOWNLOAD, STRIP) also every PRE_ and POST_ state	CONFIGURE_TARGET=umurmur_configure POST_PATCH_TARGET=python_post_patch
GNU_CONFIGURE	Use GNU Configure (adds --host --target flags)	GNU_CONFIGURE = 1
CONFIGURE_ARGS	add some extra flags to the configure option	CONFIGURE_ARGS = --disable-test
ADDITIONAL_%_FLAGS	add some extra flags besides the one set by spksrc values (ld, cxx, c)	ADDITIONAL_LD_FLAGS = -L$(STAGING_INSTALL_PREFIX)/lib
DEPENDS	package depends on those tools or libraries.	DEPENDS = cross/openssl
BUILD_DEPENDS	package depends only needed for build (will not be included in spk)	BUILD_DEPENDS = cross/ffmpeg
OPTIONAL_DEPENDS	package depends conditonally for instance only for some arch, used for dependency scanning	OPTIONAL_DEPENDS = cross/rnm
UNSUPPORTED_ARCHS	exclude those arches from being built	UNSUPPORTED_ARCHS=cedarview
KERNEL_ROOT	Root directory of the kernel source tree. Enabled when REQUIRE_KERNEL = 1	spksrc/cross/<app>/work-<arch>-<v>/linux
REQUIRE_KERNEL	The build process will prepare corresponding DSM kernel for module building.	REQUIRE_KERNEL = 1
REQUIRE_TOOLKIT	The build process will download and extract the corresponding DSM development toolkit.	REQUIRE_TOOLKIT = 1
REQUIRED_MIN_DSM	The build process will exit when a lower than required DSM toolchain is used. Used for DSM archs only.	REQUIRED_MIN_DSM = 5.2
REQUIRED_MAX_DSM	The build process will exit when a higher than DSM toolchain version is used. Used for DSM archs only.	REQUIRED_MAX_DSM = 6.999 to disable build for DSM >= 7
REQUIRED_MIN_SRM	The build process will exit when a lower than required SRM toolchain is used. Used for SRM archs only.	REQUIRED_MIN_SRM = 1.2
PKG_DIST_NAME	The name of the source file to download. When this name does not contain the package name add a definition for PKG_DIST_FILE	PKG_DIST_NAME = $(PKG_NAME)-$(PKG_VERS).$(PKG_EXT)
PKG_DIST_FILE	Provide a custom Name for the downloaded source file. Needed when filename does not contain package name (i.e. version only) to avoid conflicts in distrib folder.	PKG_DIST_NAME = v$(PKG_VERS).$(PKG_EXT) PKG_DIST_FILE = $(PKG_NAME)-$(PKG_VERS).$(PKG_EXT)
PKG_DIST_ARCH PKG_DIST_ARCH_LIST	For packages that have arch specific source files. Use PKG_DIST_ARCH in the definition of PKG_DIST_NAME and define a list of all dist archs with PKG_DIST_ARCH_LIST. As example see cross/libstd++	PKG_DIST_NAME = $(PKG_NAME).master.$(PKG_VERS).linux-core-$(PKG_DIST_ARCH).$(PKG_EXT) PKG_DIST_ARCH_LIST = x64 arm arm64

Available Variables in native/ Makefiles

Variable name	Explanation	Example
%_TARGET	ability to overwrite the default target values: (CONFIGURE, BUILD, INSTALL, PATCH, PATCH, DOWNLOAD, STRIP) also every PRE_ and POST_ state	PRE_INSTALL_TARGET=mysql-connector-c_pre_install
GNU_CONFIGURE	Use GNU Configure (adds --host --target flags)	GNU_CONFIGURE = 1
CONFIGURE_ARGS	add some extra flags to the configure option	CONFIGURE_ARGS = --disable-test
NATIVE_%_FLAGS	add some extra flags besides the one set by spksrc values (ld, cxx, c)	NATIVE_LD_FLAGS=-L/some/path
DEPENDS	package depends on those tools	DEPENDS = native/go-1.4
PKG_DIST_NAME	The name of the source file to download. When this name does not contain the package name add a definition for PKG_DIST_FILE	PKG_DIST_NAME = $(PKG_NAME)-$(PKG_VERS).$(PKG_EXT)
PKG_DIST_FILE	Provide a custom Name for the downloaded source file. Needed when filename does not contain package name (i.e. version only) to avoid conflicts in distrib folder.	PKG_DIST_NAME = v$(PKG_VERS).$(PKG_EXT) PKG_DIST_FILE = $(PKG_NAME)-$(PKG_VERS).$(PKG_EXT)

Available Variables in spk/ Makefiles

Variable name	Explanation	Example
SPK_NAME	Package name	SPK_NAME = deluge
SPK_VERS	Software version	SPK_VERS = 1.3.12
SPK_REV	Package Revision number. Starts at 1, goes up 1 for every subsequent release unrelated to SPK_VERS	SPK_REV = 5
SPK_ICON	Icon to be used in DSM. Must be of quadratic shape. Use at least 256x256 pixel.	SPK_ICON = src/deluge.png
DSM_UI_DIR	DSM UI directory location, relative to /var/packages/$PACKAGE/target/. Must be defined to provide a shortcut (icon) in DSM	DSM_UI_DIR = app
BETA	Marks a package as beta. Remove variable if not	BETA=1
REPORT_URL	Link to beta package feedback submission. In local.mk	REPORT_URL = https://github.com/SynoCommunity/spksrc/issues
ARCH	Sets the arch to the specified value. Omitting a value sets noarch	ARCH =
BUILD_DEPENDS	Dependencies declared here are used during the build process, but are not included in the final package.	BUILD_DEPENDS = cross/python3
DEPENDS	Requirements to compile and/or run the software after packaging	DEPENDS = cross/libtorrent cross/$(SPK_NAME)
WHEELS	See Using Python wheels	WHEELS = src/requirements.txt
SPK_DEPENDS	Packages that must be installed before installation of this package is allowed	SPK_DEPENDS = "python3>=3.7.7-15:gnupg>=2.1.6"
REQUIRED_MIN_DSM	The build process will exit when a lower than required DSM toolchain is used. Used for DSM archs only.	REQUIRED_MIN_DSM = 5.2
REQUIRED_MAX_DSM	The build process will exit when a higher than DSM toolchain version is used. Used for DSM archs only.	REQUIRED_MAX_DSM = 6.999 to disable build for DSM >= 7
REQUIRED_MIN_SRM	The build process will exit when a lower than required SRM toolchain is used. Used for SRM archs only.	REQUIRED_MIN_SRM = 1.2
FIRMWARE	The minimum DSM version for DSM < 6.1	FIRMWARE = 4.3-3776
OS_MIN_VERS	The minimum DSM version for DSM >= 6.1	OS_MIN_VERS = 6.2-23739
UNSUPPORTED_ARCHS	Exclude these arches from being built	UNSUPPORTED_ARCHS=cedarview
MAINTAINER	The creator of the package or current maintainer. Please use a github username. If you don't use a github username, you must define the MAINTAINER_URL	MAINTAINER = Diaoul
MAINTAINER_URL	URL of the creator or maintainer of the package. If the MAINTAINER is a valid github user the MAINTAINER_URL is evaluated to the github user account. If the MAINTAINER is not a github user, you sould define a valid URL.	MAINTAINER_URL = https://gihub.com/synocommunity
DESCRIPTION	Package description shown in Package Center. Multiple languages are supported. Double quotes must be escaped by backslash.	DESCRIPTION = "It's a \"great\" package", DESCRIPTION_FRE = "C'est un \"super\" package (in French)"
ADMIN_PORT	Port for web based management interface of package. For new packages please choose a free port and update the list SynoCommunity Used Ports	ADMIN_PORT = 9091
ADMIN_PROTOCOL	Protocol for web based management interface. Optional	ADMIN_PROTOCOL = http
ADMIN_URL	URL context for web based management interface. Optional	ADMIN_URL = /
RELOAD_UI	obsolete, not documented by synology
DISPLAY_NAME	The name displayed in Package Center	DISPLAY_NAME = Transmission
CHANGELOG	Description of changes related to the SPK_REV.	CHANGELOG = "Enable sc-download group", CHANGELOG = "1. First entry<br>2. Second entry"
HOMEPAGE	Software homepage	HOMEPAGE = http://www.transmissionbt.com
LICENSE	Software license	LICENSE = GPLv2/GPLv3
WIZARDS_DIR	Location of the wizard UI files	WIZARDS_DIR = src/wizard
CONF_DIR	Location of the conf/ directory to include in package	CONF_DIR = src/conf
STARTABLE	Required. Declares if package starts a service	STARTABLE = no
SERVICE_USER	Runtime user account for generic service support. auto is recommended	SERVICE_USER=auto
SERVICE_SETUP	Shell script functions and variables for package specific installation or service startup/stop process. Is not DSM start-stop-status script. When ever possible prefere SERVICE_SETUP over SSS_SCRIPT and INSTALLER_SCRIPT.	SERVICE_SETUP = src/service-setup.sh
SERVICE_PORT	TCP port of generic service support for firewall and DSM shortcut. May be identical to ADMIN_PORT	SERVICE_PORT = $(ADMIN_PORT)
SERVICE_PORT_TITLE	Protocol name for firewall interface. Default is package name	SERVICE_PORT_TITLE=imaps
SERVICE_PORT_PROTOCOL	Protocol for DSM shortcut. Default is http	SERVICE_PORT_PROTOCOL=https
SERVICE_PORT_URL	URL context path to access application from DSM shortcut. Default is /	SERVICE_PORT_URL=/myapp
SERVICE_PORT_ALL_USERS	Grant access to DSM shortcut for all users. Default is true	SERVICE_PORT_ALL_USERS = true
NO_SERVICE_SHORTCUT	Prevents DSM shortcut generation if set, when SERVICE_PORT does not provide http	NO_SERVICE_SHORTCUT = true
SERVICE_WIZARD_SHARE	Variable name from wizard which holds service storage on Shared Folder	SERVICE_WIZARD_SHARE = wizard_share
SERVICE_WIZARD_GROUP	Variable name from wizard which holds group name which controls service permissions to files on Shared Folder	SERVICE_WIZARD_GROUP = wizard_group
SERVICE_CERT	Configure DSM certificate management for this service name from the firewall config file (*.sc). If several services are defined, only one can be picked here.	SERVICE_CERT = syncthing_webui
SERVICE_CERT_RELOAD	Package-relative path to a script for reloading the service after certificate changes	SERVICE_CERT_RELOAD = tools/ca_reloader.sh
SERVICE_COMMAND	Service complete command line to fork with generic service support	SERVICE_COMMAND = $${SYNOPKG_PKGDEST}/bin/myservice --port $${SERVICE_PORT}
SERVICE_EXE (deprecated)	Process executable absolute path for BusyBox start-stop-daemon with generic service support Deprecated as not supported with DSM 7.	SERVICE_EXE = $${SYNOPKG_PKGDEST}/bin/myservice
SERVICE_OPTIONS	Process options for BusyBox start-stop-daemon with generic service support	SERVICE_OPTIONS = --configuration $${SYNOPKG_PKGDEST}/var/myservice.conf --port $${SERVICE_PORT}
INSTALLER_SCRIPT	Location of package specific installer script. Replace generic installer. Use SERVICE_SETUP instead, when possible.	INSTALLER_SCRIPT = src/installer.sh
SSS_SCRIPT	Location of package specific DSM start-stop-status. Use SERVICE_SETUP instead, when possible.	SSS_SCRIPT = src/dsm-control.sh
FWPORTS	Location of custom service configure file. Allows user to create firewall rules for this package. See SynoCommunity Ports	FWPORTS = src/${SPK_NAME}.sc
INSTALL_PREFIX	Obsolete. Default is INSTALL_PREFIX = /var/packages/$(SPK_NAME)/target and must not be changed.
POST_STRIP_TARGET	Process extra installation after the stripping to the target files.	POST_STRIP_TARGET = deluge_extra_install
SPK_COMMANDS	List of folder/command to create soft links in /usr/local/{folder} for command line tools. Requires use of generic installer.	SPK_COMMANDS = bin/lua bin/luac
SPK_USR_LOCAL_LINKS	List of folder:command to create soft links for command line tools that are not located in a standard folder one level below the installation target. Requires use of generic installer.	SPK_USR_LOCAL_LINKS = bin:env/bin/borg bin:env/bin/borgmatic
SPK_LINKS (deprecated)	List of target:command to create soft links with different names for command line tools. Deprecated, as not supported with DSM 7. Use SPK_USR_LOCAL_LINKS or SKP_COMMANDS.