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f84722e477
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commit-bot@chromium.org f84722e477 Build Skia for a bare-bones embedded Linux system. 
Motivation:

    I have downloaded a barebones Linux system built for 64-bit ARM
    from linaro.org and a ARMv8 Foundation Model from arm.com to run
    it on.  This will let us build and test Skia on ARM64 before we
    aquire hardware to allow that.  This CL introduces the changes to
    the build files necessary to build Skia on a barebones embedded
    Linux system.  I tested it with the aarch64 GCC compiler provided
    by linaro.org.

Changes:

    Add a "barelinux" target_os for the DEPS file.  Add an optional
    git download of zlib.

    Changes to gyp files: these changes abstract out libpng, libz, and
    giflib so that images.gyp doesn't know whether they are static or
    dynamically linked.  I also add the variables skia_giflib_static,
    skia_libpng_static, skia_zlib_static, and skia_freetype_static,
    all of which default to false but when set to true will override
    the behavior of the giflib, libpng, zlib, and freetype build
    targets to require them to build statically.  Also, the
    skia_no_fontconfig variable turns off use of the fontconfig service.

	Scripts in platform_tools/barelinux/bin:

    arm64_download - this script downloads the Linaro's ARMv8 Aarch64
	toolchain and minimal embedded Linux system as well as ARM's
	foundation model.  The required files are mirrored on Google
	Cloud.  The script then starts a emulated Arm64 Linux system in
	the background.  After the boot is complete, you can SSH into the
	system at port 8022 via user@localhost.  The SSH key will be
	downloaded into the working directery as well.

	download_deps - Uses gclient to download Skia's dependencies for a
    bare Linux system (the normal dependecies plus giflib, libpng, and
    zlib.)

	barelinux_make - this script builds a version of skia that does
    not depend on external libraries, perfect for putting in an
    embedded system running Linux.  Assumes you have run download_deps
    first.

To test:
    To build a barelinux target, use the barelinux_make script.

    To build for a armv8 system: skia_arch_type=arm arm_neon=0 armv7=1
    armv8=1 arm_thumb=0 skia_arch_width=64 and set the CC and CXX
    variables to point at the cross-compiler downloaded by
    arm64_download.

R=djsollen@google.com, scroggo@google.com, borenet@google.com

Author: halcanary@google.com

Review URL: https://codereview.chromium.org/152513007

git-svn-id: http://skia.googlecode.com/svn/trunk@13570 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-02-24 20:22:34 +00:00
..
android_deps.gyp Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
android_framework_lib.gyp Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
android_system.gyp Update DEPS and GYP to use the copy of Android in platform_tools. 2013-05-02 12:27:21 +00:00
angle.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
animator.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
apptype_console.gypi Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
bench.gyp Initial QuadTree implementation 2014-02-03 18:08:33 +00:00
chromeos_deps.gyp GYP Changes and Scripts for Compiling Skia for ChromeOS 2013-06-11 15:52:19 +00:00
common_conditions.gypi Fix NaCl build for pepper_32 2014-02-21 00:40:16 +00:00
common_variables.gypi Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
common.gypi Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
core.gyp Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
core.gypi Collapse matrix & clip stack in PictureRecord 2014-02-11 15:10:40 +00:00
debugger.gyp Small tweaks to be able to build everything target: 2014-01-08 21:16:14 +00:00
dm.gyp Make tests output spin on the same line by default. 2014-01-02 16:19:53 +00:00
edtaa.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
effects.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
effects.gypi fix bad gyp file move 2014-01-31 16:16:22 +00:00
everything.gyp Move DM from everything to most, to build it by default. 2014-01-08 16:52:42 +00:00
experimental.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
FileReaderApp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
flags.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
fontconfig.gyp Roll fontconfig to 2.11.0 and reenable poppler on mac 2014-01-15 17:24:22 +00:00
freetype.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
freetype.gypi Sanitizing source files in Housekeeper-Nightly 2013-08-21 07:01:29 +00:00
giflib.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
gm.gyp Allow GMs to be used as benchmarks. Make convex_poly_clip opt in. 2014-02-03 14:48:17 +00:00
gmslides.gypi add SkCanvas::drawDRRect 2014-02-21 02:32:36 +00:00
gpu.gyp Move GrTextContext to private interface 2014-01-30 16:41:23 +00:00
gpu.gypi Analytic rrect clip for cicular corners, radius >= 0.5 2014-02-19 15:18:05 +00:00
gputest.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
iconv.gyp Sanitizing source files in Housekeeper-Nightly 2013-08-21 07:01:29 +00:00
images.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
jsoncpp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
libjpeg.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
libpng.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
libwebp.gyp Fix warnings on Ubuntu13 2014-02-21 20:11:42 +00:00
lua.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
most.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
nacl.gyp Prepare skia for shared library build on android 2013-06-03 12:10:19 +00:00
opts.gyp Split opts_check_arm.cpp into per-class files 2014-02-10 15:01:05 +00:00
pathops_unittest.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
pathops_unittest.gypi path ops work in progress 2013-10-02 14:49:34 +00:00
pathops.gypi path ops work in progress 2013-09-16 15:55:01 +00:00
pdf.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
pdf.gypi Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
pdfviewer_lib.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
pdfviewer.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
pixman_test.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
poppler.gyp Add extra warnings to match what Android uses. 2013-11-20 15:13:49 +00:00
ports.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
public_headers.gypi remove (now unused) Sk64 -- just use int64_t 2014-01-10 22:05:41 +00:00
SampleApp.gyp Allow GMs to be used as benchmarks. Make convex_poly_clip opt in. 2014-02-03 14:48:17 +00:00
sfnt.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
shapeops_demo.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
shapeops_edge.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
shapeops_tool.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
SimpleCocoaApp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
SimpleiOSApp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
skflate.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
skia_lib.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
skpskgr_test.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
svg.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
tests.gyp Add test harness for matrix/clip state collapsing 2014-02-06 14:22:47 +00:00
tools.gyp Add bench_record. 2014-01-13 12:03:47 +00:00
utils.gyp initial import of Chrome's trace_event into skia framework 2014-01-31 00:04:25 +00:00
v8.gyp Update directions and lib paths for ninja. 2014-02-13 15:30:06 +00:00
views_animated.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
views.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
xml.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
xps.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
zlib.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00