The size of the chromium executable file

[pp wang]

I build chromium on linux, this is the build arguments:

  is_debug = false

  is_component_ffmpeg = false

  target_cpu = "x64"

  ffmpeg_branding = "Chrome"

  proprietary_codecs = true

When I striped, the size of executable is 121M, but the google chrome is 113M, why?

[Tom Anderson]

I'd guess it's because of link time optimization.  A normal release build doesn't have LTO, but an official build (is_official_build=true) does.  I think you can enable LTO without doing an official build by setting allow_posix_link_time_opt=true, but be warned that linking will be very slow (hours).

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[Torne (Richard Coles)]

You should just be able to set is_official_build=true if you're doing a build you intend to be used by end users;.

On Mon, 15 May 2017 at 22:42 'Tom Anderson' via Chromium-dev <chromi...@chromium.org> wrote:

I'd guess it's because of link time optimization.  A normal release build doesn't have LTO, but an official build (is_official_build=true) does.  I think you can enable LTO without doing an official build by setting allow_posix_link_time_opt=true, but be warned that linking will be very slow (hours).

On Mon, May 15, 2017 at 7:10 PM, pp wang <wpp...@gmail.com> wrote:

I build chromium on linux, this is the build arguments:

  is_debug = false

  is_component_ffmpeg = false

  target_cpu = "x64"

  ffmpeg_branding = "Chrome"

  proprietary_codecs = true

When I striped, the size of executable is 121M, but the google chrome is 113M, why?

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