native_client_sdk/src/doc/devguide/tutorial/tutorial-part2.rst - Issue 1655873003: [NaCl SDK] Cleanup references to old newlib toolchain

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Issue 1655873003: [NaCl SDK] Cleanup references to old newlib toolchain (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@add_pepper_50

Patch Set: Created 4 years, 10 months ago

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1 .. _tutorial2:	1 .. _tutorial2:

2	2

3 ######################################	3 ######################################

4 C++ Tutorial: Getting Started (Part 2)	4 C++ Tutorial: Getting Started (Part 2)

5 ######################################	5 ######################################

6	6

7 .. contents::	7 .. contents::

8 :local:	8 :local:

9 :backlinks: none	9 :backlinks: none

10 :depth: 2	10 :depth: 2

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45 simple, but if we want to add support for multiple toolchains, configurations,	45 simple, but if we want to add support for multiple toolchains, configurations,

46 source files, or build steps, it would grow increasingly complex. The SDK build	46 source files, or build steps, it would grow increasingly complex. The SDK build

47 system uses a set of variables and macros to make this possible, without	47 system uses a set of variables and macros to make this possible, without

48 significantly increasing the complexity of the makefile.	48 significantly increasing the complexity of the makefile.

49	49

50 Here is the new makefile, supporting three toolchains (PNaCl, Newlib NaCl,	50 Here is the new makefile, supporting three toolchains (PNaCl, Newlib NaCl,

51 Glibc NaCl) and two configurations (Debug, Release).	51 Glibc NaCl) and two configurations (Debug, Release).

52	52

53 .. naclcode::	53 .. naclcode::

54	54

55 VALID_TOOLCHAINS := pnacl newlib glibc	55 VALID_TOOLCHAINS := pnacl clang-newlib glibc

56	56

57 NACL_SDK_ROOT ?= $(abspath $(CURDIR)/../..)	57 NACL_SDK_ROOT ?= $(abspath $(CURDIR)/../..)

58 include $(NACL_SDK_ROOT)/tools/common.mk	58 include $(NACL_SDK_ROOT)/tools/common.mk

59	59

60 TARGET = part2	60 TARGET = part2

61 LIBS = ppapi_cpp ppapi	61 LIBS = ppapi_cpp ppapi

62	62

63 CFLAGS = -Wall	63 CFLAGS = -Wall

64 SOURCES = hello_tutorial.cc	64 SOURCES = hello_tutorial.cc

65	65

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81 Choosing valid toolchains, and including common.mk	81 Choosing valid toolchains, and including common.mk

82 --------------------------------------------------	82 --------------------------------------------------

83	83

84 The makefile begins by specifying the toolchains that are valid for this	84 The makefile begins by specifying the toolchains that are valid for this

85 project. The Native Client SDK build system supports multi-toolchain projects	85 project. The Native Client SDK build system supports multi-toolchain projects

86 for its examples and libraries, but generally you will choose one toolchain	86 for its examples and libraries, but generally you will choose one toolchain

87 when you begin your project and never change it. Please see the	87 when you begin your project and never change it. Please see the

88 :ref:`Toolchains section of the Native Client overview <toolchains>` for more	88 :ref:`Toolchains section of the Native Client overview <toolchains>` for more

89 information.	89 information.

90	90

91 For this example, we support the ``pnacl``, ``newlib`` and ``glibc`` toolchains.	91 For this example, we support the ``pnacl``, ``clang-newlib`` and ``glibc``

	92 toolchains.

92	93

93 .. naclcode::	94 .. naclcode::

94	95

95 VALID_TOOLCHAINS := pnacl newlib glibc	96 VALID_TOOLCHAINS := pnacl clang-newlib glibc

96	97

97 Next, as a convenience, we specify where to find ``NACL_SDK_ROOT``. Because	98 Next, as a convenience, we specify where to find ``NACL_SDK_ROOT``. Because

98 this example is located in ``pepper_$(VERSION)/getting_started/part2``, the	99 this example is located in ``pepper_$(VERSION)/getting_started/part2``, the

99 root of the SDK is two directories up.	100 root of the SDK is two directories up.

100	101

101 .. naclcode::	102 .. naclcode::

102	103

103 NACL_SDK_ROOT ?= $(abspath $(CURDIR)/../..)	104 NACL_SDK_ROOT ?= $(abspath $(CURDIR)/../..)

104	105

105 .. Note::	106 .. Note::

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283 CSP-compliance, but help make the SDK examples more generic.	284 CSP-compliance, but help make the SDK examples more generic.

284	285

285 First, we add some `data attributes	286 First, we add some `data attributes

286 <https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes>` _	287 <https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes>` _

287 to the body element to specify the name, supported toolchains, supported	288 to the body element to specify the name, supported toolchains, supported

288 configurations, and path to the ``.nmf`` file:	289 configurations, and path to the ``.nmf`` file:

289	290

290 .. naclcode::	291 .. naclcode::

291	292

292 <body data-name="part2"	293 <body data-name="part2"

293 data-tools="newlib glibc pnacl"	294 data-tools="clang-newlib glibc pnacl"

294 data-configs="Debug Release"	295 data-configs="Debug Release"

295 data-path="{tc}/{config}">	296 data-path="{tc}/{config}">

296 ...	297 ...

297	298

298 ``common.js`` will read these data attributes to allow you to load the same	299 ``common.js`` will read these data attributes to allow you to load the same

299 example with different toolchains by changing the URL's `query string	300 example with different toolchains by changing the URL's `query string

300 <http://en.wikipedia.org/wiki/Query_string>`_. For example, you can load the	301 <http://en.wikipedia.org/wiki/Query_string>`_. For example, you can load the

301 glibc Debug version of this example by navigating to	302 glibc Debug version of this example by navigating to

302 ``index.html?tc=glibc&config=Debug``. Path URI's such as ``../``, for example	303 ``index.html?tc=glibc&config=Debug``. Path URI's such as ``../``, for example

303 do not work for either the data-path parameter or its corresponding query	304 do not work for either the data-path parameter or its corresponding query

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500 Compile the Native Client module and run the application again	501 Compile the Native Client module and run the application again

501 ==============================================================	502 ==============================================================

502	503

503 #. Compile the Native Client module by running the ``make`` command again.	504 #. Compile the Native Client module by running the ``make`` command again.

504 #. Start the SDK web server by running ``make server``.	505 #. Start the SDK web server by running ``make server``.

505 #. Re-run the application by reloading ``http://localhost:5103/part2`` in	506 #. Re-run the application by reloading ``http://localhost:5103/part2`` in

506 Chrome.	507 Chrome.

507	508

508 After Chrome loads the Native Client module, you should see the message sent	509 After Chrome loads the Native Client module, you should see the message sent

509 from the module.	510 from the module.

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