Problem compiling firefox

From: Filippo Moretti <filippomore_at_yahoo.com>
Date: Tue, 08 Feb 2022 15:33:17 UTC 
/usr/local/bin/clang++13 -std=gnu++17 --target=wasm32-wasi --sysroot=/usr/local/share/wasi-sysroot -o rlbox.wasm -Wl,--export-all -Wl,--stack-first -Wl,-z,stack-size=262144 -Wl,--no-entry -Wl,--growable-table ogg_alloc.wasm ogg_bitwise.wasm ogg_framing.wasm xmlparse.wasm xmlrole.wasm xmltok.wasm wasm2c_sandbox_wrapper.wasm mozHunspellRLBoxSandbox.wasm affentry.wasm affixmgr.wasm csutil.wasm hashmgr.wasm hunspell.wasm phonet.wasm replist.wasm suggestmgr.wasm GraphiteExtra.wasm CmapCache.wasm Code.wasm Collider.wasm Decompressor.wasm Face.wasm FeatureMap.wasm FileFace.wasm Font.wasm GlyphCache.wasm GlyphFace.wasm Intervals.wasm Justifier.wasm NameTable.wasm Pass.wasm Position.wasm Segment.wasm Silf.wasm Slot.wasm Sparse.wasm TtfUtil.wasm UtfCodec.wasm call_machine.wasm gr_char_info.wasm gr_face.wasm gr_features.wasm gr_font.wasm gr_logging.wasm gr_segment.wasm gr_slot.wasm json.wasm RLBoxWOFF2Sandbox.wasm table_tags.wasm variable_length.wasm woff2_common.wasm woff2_dec.wasm woff2_out.wasm -lwasi-emulated-process-clockswasm-ld: error: cannot open /usr/local/llvm13/lib/clang/13.0.1/lib/wasi/libclang_rt.builtins-wasm32.a: No such file or directoryclang-13: error: linker command failed with exit code 1 (use -v to see invocation)gmake[5]: *** [/usr/ports/www/firefox/work/firefox-97.0/config/rules.mk:498: rlbox.wasm] Error 1gmake[5]: Leaving directory '/usr/ports/www/firefox/work/.build/security/rlbox'gmake[4]: *** [/usr/ports/www/firefox/work/firefox-97.0/config/recurse.mk:72: security/rlbox/target-objects] Error 2gmake[4]: Leaving directory '/usr/ports/www/firefox/work/.build'gmake[3]: *** [/usr/ports/www/firefox/work/firefox-97.0/config/recurse.mk:34: compile] Error 2gmake[3]: Leaving directory '/usr/ports/www/firefox/work/.build'gmake[2]: *** [/usr/ports/www/firefox/work/firefox-97.0/config/rules.mk:352: all] Error 2gmake[2]: Leaving directory '/usr/ports/www/firefox/work/.build'*** Error code 1
Stop.make[1]: stopped in /usr/ports/www/firefox*** Error code 1
Stop.make: stopped in /usr/ports/www/firefox[root@sting /usr/ports/www/firefox]# 
This is the error I get while  attempting to update firefox from port
[root@sting /usr/ports/www/firefox]# uname -aFreeBSD sting 14.0-CURRENT FreeBSD 14.0-CURRENT #67 heads/main-n252631-ccf50c1df9c: Tue Jan 25 22:12:38 CET 2022     filippo@sting:/usr/obj/usr/src/amd64.amd64/sys/STING  amd64
sincerelyFilippo