ESP8266 Community Forum

mamalala wrote:Any quick hints about how to compile it?

I have a set of scripts for fast toolchain building for xtensa here: https://github.com/jcmvbkbc/xtensa-toolchain-build
It needs separate binutils, gcc and gdb directories, named according to versions in the config file, or tar.bz2 archives thereof (which will be unpacked and patched by prepare.sh).
Then you run ./prepare.sh lx106 to apply lx106 overlay and ./build-elf.sh lx106 to build the toolchain. No su/sudo, just as ordinary user.
The build goes under ./build-lx106 and the resulting toolchain binaries will be in the ./build-lx106/root/bin.
You'll need to invoke them by full path name or add the directory to your PATH or add symlinks to them to your ~/bin, whatever.

I'm getting the following error:



When running


Any ideas?

*EDIT* following in the config file:

cnlohr wrote::( I'm getting the following error:
...

Code: Select all/tmp/ccET8Ob4.s: Assembler messages:
/tmp/ccET8Ob4.s:12: Error: unknown opcode or format name 'entry'
/tmp/ccET8Ob4.s:16: Error: unknown opcode or format name 'retw.n'
configure:3606: $? = 1


Looks like you've used stock gcc-4.9.1, not the patched version that has WIP-support for call0 ABI from here: https://github.com/jcmvbkbc/gcc-xtensa/ ... all0-4.8.2

Hi, I'm new at this forum. I've downloaded and compiled the baremetal lx106 toolchain provided by jcmvbkbc by using his build scripts. It builds successfully. However, I've noted that the scripts do not build newlib despite the fact that it seems to be a prerrequisite of the build script. I've tried to manually compile the mainstream newlib distribution but it does not seem to support the xtensa processors. Do you have any pointers to a newlib version compatible with xtensa? Thanks.