make lto-compress.o error & build recovery question

Alan Cudmore alan.cudmore at
Tue Jan 24 16:09:49 UTC 2017

By WLS, do you mean the Windows Subsystem for Linux?
I was able to build a toolchain when it was first released. 
I submitted this RSB doc patch, but I don’t know if it made it in: <>

As to how to resolve it, there should be a log file with a more specific error. From what I know, you do have to restart the build process. 
I found that I had to install a few more packages than a standard Ubuntu install to get the toolchain to build. 

Here is what I had to install:
$ sudo apt-get install autoconf automake bison flex binutils gcc \
+g++ gdb texinfo unzip ncurses-dev python-dev git zlib1g-dev make

I’m going to try this again, to make sure I can still build my sparc and ARM tools. 


> On Jan 24, 2017, at 10:44 AM, Karim, Hassan <hassan.karim at> wrote:
> Gurus:
> I am trying to build RTEMS tool set on Ubuntu for WLS. Making progress. but then after several hours, build failed. I got the errors below. ANy idea how to resolve and better yet, how to not spend another 5 hrs getting to the point where the next issue pops up. In other words, do I have start from ground 0 everytime I encounter a bug?
> make[2]: *** [lto-compress.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> rm gcc.pod
> make[2]: Leaving directory `/home/drhass/RTEMS/src/rtems-source-builder/rtems/build/sparc-rtems4.12-gcc-6.3.0-newlib-2.5.0-x86_64-linux-gnu-1/build/gcc'
> make[1]: *** [all-gcc] Error 2
> make[1]: Leaving directory `/home/drhass/RTEMS/src/rtems-source-builder/rtems/build/sparc-rtems4.12-gcc-6.3.0-newlib-2.5.0-x86_64-linux-gnu-1/build'
> make: *** [all] Error 2
> shell cmd failed: /bin/sh -ex  /home/drhass/RTEMS/src/rtems-source-builder/rtems/build/sparc-rtems4.12-gcc-6.3.0-newlib-2.5.0-x86_64-linux-gnu-1/doit
> error: building sparc-rtems4.12-gcc-6.3.0-newlib-2.5.0-x86_64-linux-gnu-1
> Regards,
> Hassan Karim, CISSP
> <> 
> Comp Sci Ph.D. Student
> Howard University
> (202) 569-1012
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> users mailing list
> users at

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