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42 lines
1.3 KiB
Markdown
42 lines
1.3 KiB
Markdown
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# Overview
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This directory contains files that make it possible for Linux
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distributions to build Chromium using system toolchain.
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For more info on established way such builds are configured,
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please read the following:
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- https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html
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Why do distros want CFLAGS, LDFLAGS, etc? Please read the following
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for some examples. This is not an exhaustive list.
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- https://wiki.debian.org/Hardening
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- https://wiki.ubuntu.com/DistCompilerFlags
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- https://fedoraproject.org/wiki/Changes/Harden_All_Packages
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- https://fedoraproject.org/wiki/Changes/Modernise_GCC_Flags
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- https://fedoraproject.org/wiki/Packaging:Guidelines#Compiler_flags
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- https://blog.flameeyes.eu/2010/09/are-we-done-with-ldflags/
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- https://blog.flameeyes.eu/2008/08/flags-and-flags/
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# Usage
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Add the following to GN args:
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```
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custom_toolchain="//build/toolchain/linux/unbundle:default"
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host_toolchain="//build/toolchain/linux/unbundle:default"
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```
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See [more docs on GN](https://gn.googlesource.com/gn/+/master/docs/quick_start.md).
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To cross-compile (not fully tested), add the following:
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```
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host_toolchain="//build/toolchain/linux/unbundle:host"
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v8_snapshot_toolchain="//build/toolchain/linux/unbundle:host"
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```
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Note: when cross-compiling for a 32-bit target, a matching 32-bit toolchain
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may be needed.
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