Building CouchDB on arm64-v8a

[VladimirCores]

I'm trying to run CouchDB on my Odroid C2 (arm64)
After "./configure" I run "make release" but it gives me an error

Current Behavior

Your Environment

Linux odroid64 3.14.79-116 #1 SMP PREEMPT Tue Sep 26 01:19:06 BRT 2017 aarch64 aarch64 aarch64 GNU/Linux

[kxepal]

Seems like the -m64 is not supported by ARM build toolchain. Try to remove it or replace with analogue. As @wohali saild we don't have ARM's in our infra to test and support builds for them.

However, any contributions to fix that are welcome! Happy hacking!

[koleto]

Just manage to comile on Linaro ARMv8.

1. Open the file ~/apache-couchdb-2.1.0$ vim src/rebar/src/rebar_port_compiler.erl

2. Remove the '-m64' flag from Line 608 and 609. The output should be:
   %% Linux specific flags for multiarch {"linux.*-64$", "CFLAGS", "$CFLAGS"}, {"linux.*-64$", "CXXFLAGS", "$CXXFLAGS"}, {"linux.*-64$", "LDFLAGS", "$LDFLAGS"},

3. Recompile rebar: cd src/rebar
   ./bootstrap

4. Rebuild couchdb:
   make release

[janl]

That means this needs to be fixed in rebar, not CouchDB. cc @davisp any opinions?

[wohali]

If it's a rebar problem, we should look at the rebar3 change using paul's enc and make this patch over there.

[koleto]

But unfortunately after I was able to build couchdb, there are still some issues with the replication and views on ARMv8.

[wohali]

Sounds like JavaScript didn't build correctly. You will need libmozjs185 specifically, and it MUST be built 32-bit -- see https://bugzilla.mozilla.org/show_bug.cgi?id=589735 and https://bugzilla.mozilla.org/show_bug.cgi?id=577056 for the gory details.

[wohali]

Based on apache/couchdb-pkg#24 if we just pull in the very last changes to rebar (v2) from https://github.com/rebar/rebar we should be able to fix this problem. We just need to be sure to keep @davisp's patch in the 2.6.0-couchdb branch around, assuming it's not already patched upstream.

Would still like to see us move to proper rebar - will file that as a new ticket.

[janl]

closing in favour of #1428