Hi Vladimir, Awesome - got the same executable size. Thanks a million for such quick and accurate response.
Back to my Rust tutorial... :) Regards. - Adrian. On Fri, Jul 11, 2014 at 10:18 AM, Vladimir Matveev <dpx.infin...@gmail.com> wrote: > Hi, Adrian, > > Currently Rust uses static linking to build executables. This means that > the simplest «hello world» program utilizing standard library will take all > of this library and all dependent libraries, including Rust runtime, into > itself. That’s why the binary is large. > > If you want to use dynamic linking, you can invoke rustc with `-C > prefer-dynamic` arguments, this will link the program dynamically, and it > will be much smaller (8 KB in my case): > > % cat main.rs > fn main() { > println!("Hello world") > } > % rustc -C prefer-dynamic main.rs > % ls -lh main > -rwxr-xr-x 1 dpx-infinity dpx-infinity 8,0K июл 11 12:14 main > > However, this will mean that the binary is no longer portable; you can’t > compile it yourself and distribute it to other machines unless these > machines also have the same version of Rust installed. > > Disk size is cheap these days, and portability really do matter, so that’s > why the static linkage is default. BTW, Go does exactly the same thing. > > On 11 июля 2014 г., at 12:07, Adrian Mercieca <amerci...@gmail.com> wrote: > > > Hi all, > > > > I am just starting out looking at Rust and am following the tutorial. > > > > I have compiled the sample 'hello world' program (code below - copied > from the tutorial) and compiled it. > > > > I was somewhat taken aback at the size of the executable size for such a > small program. > > > > On my Ubuntu 13.10 machine, the resultant executable was a whopping > 1054476 bytes. > > I stripped the program and the resultant file was still 806816 bytes. > > > > Why is the executable so large? Is there anything I might be doing wrong? > > Perhaps I need to use some compiler switches? > > > > Thanks for any pointers in this regard. > > > > - Adrian. > > > > _______________________________________________ > > Rust-dev mailing list > > Rust-dev@mozilla.org > > https://mail.mozilla.org/listinfo/rust-dev > >
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