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Date: Fri, 18 Oct 2013 18:02:36 -0500
From: Richard Pennington <>
Subject: ELLCC has self hosted.

The clang/LLVM based ELLCC project (, after having 
reached a huge milestone ( has now 
successfully compiled itself.

The steps were:
1. Use gcc to build the compiler with Linux standard libraries.
2. Use ecc to build itself with libc++, libc++ABI, libunwind, musl, and 
3. Use the newly built compiler to build itself again.

One interesting side note: The compiler was 12MB smaller after it built 

ct-fw-88 ellcc 622 % size */Release+Asserts/bin/ecc

text    data     bss     dec     hex filename

52415858 2152024   84768 54652650        341eeea 

40222706 2117136  135416 42475258        2881efa 

Even more interesting, it was compiled statically. No dynamic libraries 

ct-fw-88 ellcc 623 % ldd */Release+Asserts/bin/ecc

llvm-build/Release+Asserts/bin/ecc: =>  (0x00007fff2ffff000) => /lib64/ (0x00007facd87e1000) => /lib64/ (0x00007facd85c4000) => /lib64/ (0x00007facd837c000) => /lib64/ (0x00007facd8173000) => /lib64/ (0x00007facd7f6f000) => /home/de023789/gnulocal/lib64/ 
(0x00007facd7c6e000) => /lib64/ (0x00007facd7a18000) => /home/de023789/gnulocal/lib64/ 
(0x00007facd7803000) => /lib64/ (0x00007facd74a5000)

/lib64/ (0x00007facd89f7000)


not a dynamic executable

ct-fw-88 ellcc 624 %

That is very cool.


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