Getting an arm cross-compiler hosted on OS X isn't too bad. But being able to 
cross-build binaries for linux will be more challenging. I've never been able 
to do it, but would love to.

> On Oct 24, 2015, at 07:27 , Joe Ciarcia <[email protected]> wrote:
> 
> I've found some great resources out there that help us Mac folk out with 
> building an arm toolchain on the OS X platform. Here they are if any others 
> stumble across this thread looking for the same:
> 
> http://www.benmont.com/tech/crosscompiler.html
> http://will-tm.com/cross-compiling-mac-os-x-mavericks/
> http://hansbot.blogspot.com/p/beaglebone-black-mac-os-x-toolchain.html  (this 
> one is the most detailed)
> 
> 
> I've gotten through a few of the stumbling blocks but I'm currently stuck. I 
> get this far:
> 
> [INFO ]  Performing some trivial sanity checks
> 
> [INFO ]  Build started 20151023.200552
> 
> [INFO ]  Building environment variables
> 
> [00:03] /
> 
> 
> 
> So, after that, if I look at the activity monitor, bash is around 100% 
> processor utilization on one of the cores. I figure "great, it's doing 
> something". I left it to do its thing and after an hour, I killed the 
> process. I changed a few settings... ran it again... same thing. Okay... 
> maybe it just takes a really long time. I left it overnight. This morning it 
> was still near 100% processor utilization and nothing had changed in the 
> build.log file. Here's the last few lines from the build log:
> 
> 
> 
> [DEBUG]  =================================================================
> 
> [DEBUG]  Checking that we can run gcc -v
> 
> [DEBUG]    ==> Executing: 'x86_64-build_apple-darwin15.0.0-gcc' '-v' 
> 
> [DEBUG]    Configured with: 
> --prefix=/Applications/Xcode.app/Contents/Developer/usr 
> --with-gxx-include-dir=/usr/include/c++/4.2.1
> 
> [DEBUG]    Apple LLVM version 7.0.0 (clang-700.1.76)
> 
> [DEBUG]    Target: x86_64-apple-darwin15.0.0
> 
> [DEBUG]    Thread model: posix
> 
> [DEBUG]  Checking that we can run gcc -v: done in 0.00s (at 00:03)
> 
> [DEBUG]  =================================================================
> 
> [DEBUG]  Checking that gcc can compile a trivial program
> 
> [DEBUG]    ==> Executing: 'x86_64-build_apple-darwin15.0.0-gcc' '-O2' '-g' 
> '-pipe' '/Volumes/CaSe/.build/arm-JoesBeaglebone-linux-gnueabi/build/test.c' 
> '-o' '/Volumes/CaSe/.build/arm-unknown-linux-gnueabi/build/.gccout' 
> 
> [DEBUG]  Checking that gcc can compile a trivial program: done in 0.00s (at 
> 00:03)
> 
> [EXTRA]  Installing user-supplied crosstool-NG configuration
> 
> [DEBUG]  ==> Executing: 'mkdir' '-p' '/Volumes/CaSe/prefix/bin' 
> 
> [DEBUG]  ==> Executing: 'install' '-m' '0755' 
> '/usr/local/Cellar/crosstool-ng/1.21.0/lib/ct-ng.1.21.0/scripts/toolchain-config.in'
>  '/Volumes/CaSe/prefix/bin/arm-unknown-linux-gnueabi-ct-ng.config' 
> 
> [ERROR]  
> 
> [ERROR]  >>
> 
> [ERROR]  >>  Build failed in step '(top-level)'
> 
> [ERROR]  >>
> 
> [ERROR]  >>  Error happened in: CT_DoExecLog[scripts/functions@216]
> 
> [ERROR]  >>        called from: main[scripts/crosstool-NG.sh@564]
> 
> [ERROR]  
> 
> 
> [ERROR]  (elapsed: 756:57.00)
> 
> 
> 
> Any suggestions on how to debug this? Obviously it's attempting to do 
> something given the processor utilization but... what the heck is it hung up 
> on?
> 
> 
> 
> One thing worth noting... early in the process the build log had an error 
> with regards to not being able to find the ginstall tool. Since this was at 
> the beginning of the test process I figured it hadn't gotten to building 
> anything yet and as such, ct-ng clean was not needed (maybe I'm wrong). As 
> part of running ct-ng build it creates a directory structure (running clean 
> deletes this structure and all the tools included) at 
> /YourCaseSensitiveDirectory/.build/tools/bin. My solution was to just cp 
> install ginstall, and that got me past that error. Not sure if that's 
> contributing to anything but I thought it worth mentioning. Is there another 
> way around the missing ginstall problem?
> 
> 
> 
> Cheers, Joe
> 
> 
> 
> 
> -- 
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-- 
Rick Mann
[email protected]


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