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[build] Add iOS detection

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Add OS detection for iOS builds. If we are building for an iOS target,
the following V8 OS defines will be set:

V8_OS_BSD
V8_OS_MACOSX
V8_OS_POSIX
V8_OS_IOS  // This one is new.

The detection code is taken from Chromium's build_config.h file.

Bug: v8:9140
Change-Id: I435a8931dc0ae0eefdb893bc838a04470bcc57db
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1569435
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60897}
This commit is contained in:
Jakob Gruber 2019-04-16 15:48:14 +02:00 committed by Commit Bot
parent f41f6d7416
commit 5de852c989
1 changed files with 4 additions and 0 deletions
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4
include/v8config.h
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@ -64,6 +64,7 @@
// V8_OS_FUCHSIA - Fuchsia
// V8_OS_LINUX - Linux
// V8_OS_MACOSX - Mac OS X
// V8_OS_IOS - iOS
// V8_OS_NETBSD - NetBSD
// V8_OS_OPENBSD - OpenBSD
// V8_OS_POSIX - POSIX compatible (mostly everything except Windows)
@ -80,6 +81,9 @@
# define V8_OS_BSD 1
# define V8_OS_MACOSX 1
# define V8_OS_POSIX 1
# if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
# define V8_OS_IOS 1
# endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
#elif defined(__CYGWIN__)
# define V8_OS_CYGWIN 1
# define V8_OS_POSIX 1