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Mono(mkbundle)							Mono(mkbundle)

NAME
       mkbundle, mkbundle2 - Creates a bundled executable.

SYNOPSIS
       mkbundle	[options] assembly1 [assembly2 ...]

DESCRIPTION
       mkbundle	 generates  an	executable  program  that  will	contain	static
       copies of the assemblies	listed on the command line.  By	 default  only
       the  assemblies	specified  in the command line will be included	in the
       bundle.	To automatically include all of	the  dependencies  referenced,
       use the "--deps"	command	line option.

       There are two modes of operation, one uses an existing Mono binary or a
       server-hosted list of binaries and is enabled when you use  either  the
       --cross,	--sdk or the --runtime command line options.

       An  older  mechanism creates a small C stub that	links against the lib-
       mono library to produce a self-contained	executable and	requires  a  C
       compiler.   It is described in the "OLD EMBEDDING" section below.

       For example, to create a	bundle for hello world,	use the	following com-
       mand:

	    $ mkbundle -o hello	--simple hello.exe

       You can configure options to be passed to  the  Mono  runtime  directly
       into  your  executable, for this, use the --options flag.  For example,
       the following disables inlining,	by passing  the	 "-O=-inline"  command
       line option to the embedded executable:

	    $ mkbundle -o hello	--options -O=-inline --simple hello.exe

       The simple version allows for cross-compiling, this requires a Mono
       runtime to be installed in the ~/.mono/targets/TARGET/mono to be
       available.   You	can use	the "--local-targets" to list all available
       targets,	and the	"--cross" argument to specify the target, like this:

	    $ mkbundle --local-targets
	    Available targets:
		 default   - Current System Mono
		 4.4.0-macosx-x86
		 4.4.0-debian-8-arm64
	    $ mkbundle --cross 4.4.0-debian-8-powerpc hello.exe	-o hello-debian

       The  above  will	bundle your native library into	hello-debian for a De-
       bian 8 system running on	a PowerPC machine.

       We provide pre-packages binaries	for Mono  for  various	architectures,
       which  allow you	to cross compile, use the --list-targets to get	a list
       of all targets supported, and use the --fetch-target flag to retrieve a
       target that you do not have installed, like this:

	    $ mkbundle --list-targets
	    Cross-compilation targets available:
	    4.4.0-linux-libc2.13-amd64
	    4.4.0-linux-libc2.13-armel
	    4.4.0-linux-libc2.13-armhf
	    4.4.0-linux-libc2.13-i386
	    4.4.0-macos-10.7-amd64
	    4.4.0-macos-10.7-i386
	    4.4.2-linux-libc2.13-amd64
	    4.4.2-linux-libc2.13-armel
	    4.4.2-linux-libc2.13-armhf
	    4.4.2-linux-libc2.13-i386
	    4.4.2-macos-10.7-amd64
	    4.4.2-macos-10.7-i386

	    $ mkbundle --fetch-target 4.4.2-macos-10.7-i386

       And  then  you  can  produce  a	binary that will run on	32-bit Mono on
       MacOS:

	    $ mkbundle --cross 4.4.2-macos-10.7-i386 hello.exe -o hello-macos

       Downloaded targets are stored ~/.mono/targets directory.

OPTIONS
       --config	FILE
	      Specifies	that a DLLMAP Mono config  file	 must  be  bundled  as
	      well.    In  the	simple	and cross compiler modes, if no	config
	      file is specified	the one	for the	current	target is picked  (ei-
	      ther  the	 system	one in the case	of the simple mode, or the one
	      that came	from the cross compilation target for the  cross  com-
	      piling mode).

       --config-dir DIR
	      When  passed,  DIR  will be set for the MONO_CFG_DIR environment
	      variable

       --cross target
	      Use this to request mkbundle generate a  cross-compiled  binary.
	      It Creates a bundle for the specified target platform.  The tar-
	      get must be a directory in ~/.mono/targets/ that contains	an SDK
	      installation  as produced	by the mono-package-runtime tool.  You
	      can get a	list of	the precompiled	versions of the	runtime	 using
	      --list-targets  and  you	can  fetch a specific target using the
	      --fetch-target command line option.

	      This flag	is mutually exclusive with  --sdk  which  is  used  to
	      specify  an  absolute  path to resolve the Mono runtime from and
	      the --runtime option which is used  to  manually	construct  the
	      cross-platform package.

       --deps This option will bundle all of the referenced assemblies for the
	      assemblies listed	on the command line option.  This is useful to
	      distribute a self-contained image.

       --env KEY=VALUE
	      Use  this	to hardcode an environment variable at runtime for KEY
	      to be mapped to VALUE.   This is useful in scenarios  where  you
	      want  to	enable certain Mono runtime configuration options that
	      are controlled by	environment variables.

       --fetch-target target
	      Downloads	a precompiled runtime for the  specified  target  from
	      the Mono distribution site.

       --i18n encoding
	      Specified	 which	encoding  tables  to ship with the executable.
	      By default, Mono ships the supporting I18N.dll assembly and  the
	      I18N.West.dll  assembly.	 If your application will use the Sys-
	      tem.Text.Encoding.GetEncoding with encodings other than the West
	      encodings, you should specify them here.

	      You  can	use the	none parameter to request that no implicit en-
	      codings should be	bundled, including  the	 supporting  I18N.dll,
	      use this option if you have ran a	linker on your own.

	      You can use the all flag to bundle all available encodings.

	      Or  you  can  use	a comma	delimited list of the workds CJK, Mid-
	      West, Other, Rare	and West to specificy  which  encoding	assem-
	      blies to distribute.

       -L path
	      Adds  the	 `path'	 do the	search list for	assemblies.  The rules
	      are the same as for the compiler -lib: or	-L flags.

       --library [LIB,]PATH
	      Embeds the dynamic library file pointed to by `PATH' and option-
	      ally  give it the	name `LIB' into	the bundled executable.	  This
	      is used to ship native library dependencies that are unpacked at
	      startup  and  loaded from	the runtime. Multiple libraries	should
	      be specified in dependency order,	where later ones on  the  com-
	      mand line	depend on earlier ones.

       --lists-targets
	      Lists  all  of  the  available  local  cross compilation targets
	      available	as  precompiled	 binaries  on  the  Mono  distribution
	      server.

       --local-targets
	      Lists all	of the available local cross compilation targets.

       --cil-strip PATH
	      Provides	a CIL stripper that mkbundle will use if able to.  The
	      intended use is to help reduce file size on AOT.

       --in-tree path/to/mono/source/root
	      Provides mkbundle	with a mono source repository  from  which  to
	      pull  the	necessary headers for compilation.  This allows	mkbun-
	      dle to run out of	the project's source tree, useful for  working
	      with multiple runtimes and for testing without installing.

       --managed-linker	PATH
	      Provides	mkbundle  access to a managed linker to	preprocess the
	      assemblies.

       --machine-config	FILE
	      Uses the given FILE as the machine.config	file for the generated
	      application.   The  machine  config contains an XML file that is
	      used by System.Configuration APIs	to configure the  .NET	stack.
	      Typically	this is	$prefix/etc/mono/4.5/machine.config.

	      If  you want to disable this automatic bundling, you can use the
	      --no-machine-config flag.	 In  the  simple  and  cross  compiler
	      modes,  if  no  machine.config file is specified the one for the
	      current target is	picked (either the system one in the  case  of
	      the simple mode, or the one that came from the cross compilation
	      target for the cross compiling mode).

       --no-config
	      In simple	or cross compiling mode, this prevents	mkbundle  from
	      automatically bundling a config file.

       --nodeps
	      This  is	the default: mkbundle will only	include	the assemblies
	      that were	specified on the command line to reduce	 the  size  of
	      the resulting image created.

       --no-machine-config
	      In  simple  or cross compiling mode, this	prevents mkbundle from
	      automatically bundling a machine.config file.

       -o filename
	      Places the output	on `out'.  If the flag -c is  specified,  this
	      is the C host program.  If not, this contains the	resulting exe-
	      cutable.

       --options OPTS
	      Since the	resulting executable will be treated as	 a  standalone
	      program,	you  can use this option to pass configuration options
	      to the Mono runtime and  bake  those  into  the  resulting  exe-
	      cutable.	These options are specified as OPTS.

	      You  can use the above to	configure options that you would typi-
	      cally pass on the	command	line to	Mono, before the main  program
	      is executed.

	      Additionally, users of your binary can still configure their own
	      options by setting the MONO_ENV_OPTIONS environment variable.

       --sdk SDK_PATH
	      Use this flag to specify a path from which mkbundle will resolve
	      the Mono SDK from.   The SDK path	should be the prefix path that
	      you used to configure a Mono installation.   And would typically
	      contain  files lik SDK_PATH/bin/mono , SDK_PATH/lib/mono/4.5 and
	      so on.

	      When this	flag is	specified, mkbundle will resolve the  runtime,
	      the  framework  libraries, unmanaged resources and configuration
	      files from the files located in this directory.

	      This flag	is mutually exlusive with --cross

       --target-server SERVER
	      By default the mkbundle tool will	download from  a  Mono	server
	      the  target runtimes, you	can specify a different	server to pro-
	      vide cross-compiled runtimes.

       --mono-api-struct-path FILE
	      FILE points to a file with the definition	of  the	 BundleMonoAPI
	      structure	 which	contains the required pointers to various Mono
	      API functions used throughout the	generated code.	This mechanism
	      is  meant	 to be used by third parties which embed the Mono run-
	      time and dynamically load	and initialize it as part of  the  ap-
	      plication	 startup,  in  which  case  the	 Mono APIs will	not be
	      available	for the	shared library loader and the bundle will fail
	      to  work	(one  example of such an embedding third party is Xam-
	      arin.Android).

	      After providing the definition FILE, the embedder	must call  the
	      void  initialize_mono_api	 (const	 BundleMonoAPI *info) function
	      found in the generated  code  before  calling  void  mono_mkbun-
	      dle_init (). The structure passed	to initialize_mono_api doesn't
	      need to be dynamically allocated as its contents	is  copied  to
	      the  local structure in the generated code and no	pointer	to the
	      passed structure is retained or used  after  initialize_mono_api
	      returns.

	      The  list	 of  pointers  is not documented here. Instead,	please
	      look at the  bundle-mono-api.inc	file  found  in	 the  mkbundle
	      source  directory	 in your Mono source tree (mcs/tools/mkbundle)
	      or      in       the	 Mono's	      GitHub	   repository,
	      https://github.com/mono/mono/blob/master/mcs/tools/mkbundle/bun-
	      dle-mono-api.inc

	      Please note that your structure must match the one  expected  by
	      your version of the Mono runtime.

	      The  file	 must also define the mkbundle_log_error function with
	      the following signature:

		   static void mkbundle_log_error (const char *format, ...) {}

	      The function should implement logging API	specific to the	embed-
	      der.

OLD EMBEDDING
       The old embedding system	compiles a small C stub	that embeds the	C code
       and compiles the	resulting executable using the system compiler.	  This
       requires	 both a	working	C compiler installation	and only works to bun-
       dle binaries for	the current host.

       The feature is still available, but we recommend	 the  simpler,	faster
       and more	convenient new mode.

       For example, to create a	bundle for hello world,	use the	following com-
       mand:

	    $ mkbundle -o hello	hello.exe

       The above will pull hello.exe into a  native  program  called  "hello".
       Notice that the produced	image still contains the CIL image and no pre-
       compilation is done.

       In addition, it is possible to control whether mkbundle should  compile
       the  resulting executable or not	with the -c option.  This is useful if
       you want	to link	additional libraries or	control	the  generated	output
       in  more	detail.	For example, this could	be used	to link	some libraries
       statically:

	    $ mkbundle -c -o host.c -oo	bundles.o --deps hello.exe

	    $ cc host.c	bundles.o /usr/lib/libmono.a -lc -lrt

       You may also use	mkbundle to generate a bundle you can use when	embed-
       ding  the Mono runtime in a native application.	In that	case, use both
       the -c and --nomain options.  The resulting host.c file will not	have a
       main() function.	 Call mono_mkbundle_init() before initializing the JIT
       in your code so that the	bundled	assemblies are available to the	embed-
       ded runtime.

OLD EMBEDDING OPTIONS
       These  options can only be used instead of using	the --cross, --runtime
       or --simple options.

       -c     Produce the stub file, do	not compile the	resulting stub.

       -oo filename
	      Specifies	the name to be used for	the helper  object  file  that
	      contains the bundle.

       --keeptemp
	      By default mkbundle will delete the temporary files that it uses
	      to produce the bundle.  This option keeps	the file around.

       --nomain
	      With the -c option, generate the	host  stub  without  a	main()
	      function.

       --static
	      By  default  mkbundle  dynamically links to mono and glib.  This
	      option causes it to statically link instead.

       -z     Compresses the assemblies	 before	 embedding.  This  results  in
	      smaller  executable  files,  but	increases startup time and re-
	      quires zlib to be	installed on the target	system.

AOT Options
       These options support an	mkbundle using	AOT  compilation  with	static
       linking.	A native compiler toolchain is required.

       --aot-runtime PATH
	      Provide  the  path  to the mono runtime to use for AOTing	assem-
	      blies.

       --aot-dedup
	      (Experimental) Deduplicate AOT'ed	methods	based on a unique man-
	      gling of method names.

       --aot-mode MODE
	      MODE  can	 be  either  "full"  or	"llvmonly" at this time.  Cur-
	      rently, mkbundle supports	three  AOT  modes.  The	 default  mode
	      (this  option unset) will	AOT methods but	will fall back on run-
	      time codegen where it is much faster or offers a more full  com-
	      patibility  profile. The "full" setting will generate the	neces-
	      sary stubs to not	require	runtime	 code  generation.  The	 "llv-
	      monly"  setting  does  the  same,	 but  forces all codegen to go
	      through the llvm backend.

WINDOWS
       If you are using	the old	embedding on Windows systems, it  possible  to
       use  a  Unix-like  toolchain  like  cygwin's and	install	gcc, gcc-mingw
       packages	or use Visual Studio  2015/2017	 VC  toolchain	together  with
       Clang for Visual	Studio as assembler.  Clang can	be installed as	an in-
       dividual	component, "Clang/C2", using Visual Studio installer.

       Using Visual Studio toolchain, mkbundle will, by	 default,  use	latest
       installed  Visual Studio	compiler and linker as well as Windows SDK. If
       executed	from one of the	Visual Studio developer	command	 prompts,  mk-
       bundle will retrieve information	directly from that build environment.

ENVIRONMENT VARIABLES
       AS     Assembler	 command.  The default is "as".	For Visual Studio, de-
	      fault is "clang.exe".  If	"clang.exe" for	Visual Studio  is  not
	      installed, mkbundle will fall back using "as".

       CC     C	 compiler  command.  The  default is "cc" for Linux, "gcc" for
	      cygwin and "cl.exe" for Visual Studio.

       MONO_BUNDLED_OPTIONS
	      Options to be passed to the bundled Mono runtime,	 separated  by
	      spaces. See the mono(1) manual page or run mono --help.

WINDOWS	VISUAL STUDIO ENVIRONMENT VARIABLES
       VisualStudioVersion
	      Visual  Studio  version used in mkbundle build.  Default,	latest
	      installed	Visual Studio version.	Values,	"14.0" for Visual Stu-
	      dio 2015 or "15.0" for Visual Studio 2017.

       WindowsSdkVersion
	      Windows  SDK  version  used in mkbundle build.  Default/unknown,
	      latest installed Windows SDK.   Values,  "8.1",  "10.0.10240.0",
	      "10.0.15063.0" etc.

       VSCMD_ARG_TGT_ARCH
	      Output  target architecture used in mkbundle build.  Default/un-
	      known, use architecture  of  .NET	 runtime  executing  mkbundle.
	      Values, "x86" or "x64".  NOTE, when running from a Visual	Studio
	      command prompt, this variable should already be set by the  com-
	      mand prompt and match the	rest of	that build environment.

       INCLUDE
	      Override	all  custom  include paths passed to "cl.exe".	Prede-
	      fined by Visual Studio developer command prompt or auto detected
	      by mkbundle when undefined.

       LIB    Override	all custom library paths passed	to "link.exe".	Prede-
	      fined by Visual Studio developer command prompt or auto detected
	      by mkbundle when undefined.

       MONOPREFIX
	      Use  a  custom  Mono SDK install root matching the output	target
	      architecture (x86/x64).  Default,	mkbundle  will	look  for  in-
	      stalled Mono SDKas matching targeted architecture.

       MONOLIB
	      Use  a  different	 mono  library name or an absolute path	to the
	      mono library passed to linker.  Default, mkbundle	will  use  de-
	      fault mono library name depending	on mkbundle dynamic/static use
	      case.  NOTE, supplied mono library needs to match	 mkbundle  dy-
	      namic/static use case and	target architecture.

       VCCRT  Override	C-runtime  library linker settings.  Default "MD", mk-
	      bundle will use dynamic C-runtime	linking	on Windows  compatible
	      with  Mono SDK distribution.  If a custom	built Mono runtime us-
	      ing static C-Runtime linkage is used, setting this  variable  to
	      "MT" will	link using static C-runtime libraries.

       VCSUBSYSTEM
	      Override Windows subsystem.  Default, "windows". If console sub-
	      system is	preferred, use "console".  NOTE, if console output  is
	      expected	from  output  target process then set this variable to
	      "console".

FILES
       This program will load referenced assemblies  from  the	Mono  assembly
       cache.

       Targets are loaded from ~/.mono/targets/TARGETNAME/mono

BUGS
MAILING	LISTS
       Visit  http://lists.ximian.com/mailman/listinfo/mono-devel-list for de-
       tails.

WEB SITE
       Visit: http://www.mono-project.com for details

SEE ALSO
       mcs(1),mono(1),mono-config(5).

								Mono(mkbundle)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | OLD EMBEDDING | OLD EMBEDDING OPTIONS | AOT Options | WINDOWS | ENVIRONMENT VARIABLES | WINDOWS VISUAL STUDIO ENVIRONMENT VARIABLES | FILES | BUGS | MAILING LISTS | WEB SITE | SEE ALSO

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