fppkg: git head fails to build under MacOS 13.6.3
git c4aa8b02fb maybe socket-related ``` Start compiling package utils-fppkg for target x86_64-darwin. Compiling fppkg/lnet/lnet.pp Compiling fppkg/lnet/lcommon.pp Compiling fppkg/lnet/levents.pp Compiling fppkg/lnet/lftp.pp Compiling fppkg/lnet/ltelnet.pp Compiling fppkg/lnet/lcontrolstack.pp Compiling fppkg/lnet/lhttp.pp Compiling fppkg/lnet/lstrbuffer.pp Compiling fppkg/lnet/lhttputil.pp Compiling fppkg/pkglnet.pp Compiling fppkg/lnet/fastcgi_base.pp Compiling fppkg/lnet/lmimestreams.pp Compiling fppkg/lnet/lmimewrapper.pp Compiling fppkg/lnet/lprocess.pp Compiling fppkg/lnet/lspawnfcgi.pp Compiling fppkg/lnet/lmimetypes.pp Compiling fppkg/lnet/ltimer.pp Compiling fppkg/fppkg.pp Linking fppkg/bin/x86_64-darwin/fppkg The installer encountered the following error: External command "/Volumes/mac-projects/projects/fpc/compiler/ppcx64 -Tdarwin -FEfppkg/bin/x86_64-darwin -FUfppkg/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/rtl/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-base/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/univint/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/rtl-objpas/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/pthreads/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-xml/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/iconvenc/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-process/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-net/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-passrc/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/rtl-extra/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/paszlib/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/hash/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fppkg/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fpmkunit/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/libtar/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-web/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-db/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/ibase/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/mysql/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/odbc/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/oracle/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/postgres/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/sqlite/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-json/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-fpcunit/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-hash/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/openssl/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fastcgi/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/httpd22/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/httpd24/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/libmicrohttpd/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-jsonschema/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/regexpr/units/x86_64-darwin/ -Fu/Volumes/mac-projects/projects/fpc/packages/fcl-openapi/units/x86_64-darwin/ -Fifppkg/lnet/sys -Ur -Xs -O2 -n -XR/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -dx86_64 -dRELEASE -Sm -dpackage_version_major:=3 -dpackage_version_minor:=3 -dpackage_version_micro:=1 -dpackage_version_build:=-1 -viq fppkg/fppkg.pp" failed with exit code 256. Console output: Target OS: Darwin for x86_64 Compiling fppkg/fppkg.pp Assembling fppkg Linking fppkg/bin/x86_64-darwin/fppkg ld: warning: ignoring duplicate libraries: '-lc' Error: Error while linking Fatal: There were 1 errors compiling module, stopping Fatal: Compilation aborted ld: Undefined symbols: _TC_$NULLABLE_$$_NULL, referenced from: _FPSOCKETS_$$_RECEIVEFROMNONBLOCKING$hl1LkqBRhqaF in fpsockets.o ```
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