yarn FTBFS with node 20

[Athos Ribeiro]

The package initially FTBFS due to issues with "-Bsymbolic-functions".

Adding the following to d/rules is enough to get past this error for now:

diff --git a/debian/rules b/debian/rules
index d95588f..3259611 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,6 +4,8 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1

+export DEB_LDFLAGS_MAINT_STRIP=-Wl,-Bsymbolic-functions
+
 %:
        dh $@

However, removing the flag from the build got us into a different FTBFS issue also affecting Debian (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1067283).

This happens because the off_t type is being configured to be 72-bit long by cmake. After some investigation, we found out that the build of an embedded library injects a hook into cmake to call "node" (JS) with the "--experimental-wasm-threads" option (this is a Debian patch).

This option has been removed from node 20 and node now exits with a code 9 error. This error code ends up being propageted during the embeded library cmake checks, which ends up being set as the size of off_t (9 bytes), leading to a build failure later on.