[MacPorts] #69248: libuv-devel: undefined symbols for arch on 10.14 & 10.15

[MacPorts]

#69248: libuv-devel: undefined symbols for arch on 10.14 & 10.15
-------------------------+-------------------------
 Reporter:  herbygillot  |      Owner:  herbygillot
     Type:  defect       |     Status:  assigned
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  libuv-devel
-------------------------+-------------------------
 `libuv-devel` is failing to build on macOS 10.14 & 10.15 with the
 following:

 10.14:
 {{{
 Undefined symbols for architecture x86_64:
   "_preadv", referenced from:
       _uv__fs_work in libuv_la-fs.o
   "_pwritev", referenced from:
       _uv__fs_work in libuv_la-fs.o
 ld: symbol(s) not found for architecture x86_64
 clang: error: linker command failed with exit code 1 (use -v to see
 invocation)
 make: *** [libuv.la] Error 1
 make: Leaving directory
 `/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_libuv
 /libuv-devel/work/libuv-1.47.0'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_libuv
 /libuv-devel/work/libuv-1.47.0" && /usr/bin/make -j4 -w all
 Exit code: 2
 }}}
 https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/195042/steps
 /install-port/logs/stdio

 10.15:
 {{{
 Undefined symbols for architecture x86_64:
   "_preadv", referenced from:
       _uv__fs_work in libuv_la-fs.o
   "_pwritev", referenced from:
       _uv__fs_work in libuv_la-fs.o
 ld: symbol(s) not found for architecture x86_64
 clang: error: linker command failed with exit code 1 (use -v to see
 invocation)
 make: *** [libuv.la] Error 1
 make: Leaving directory
 `/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_libuv
 /libuv-devel/work/libuv-1.47.0'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_libuv
 /libuv-devel/work/libuv-1.47.0" && /usr/bin/make -j4 -w all
 Exit code: 2
 }}}
 https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/171038/steps
 /install-port/logs/stdio

 These are the last 2 macOS versions not building... if we get this figured
 out, then we should be able to upgrade the main `libuv` port.

-- 
Ticket URL: <https://trac.macports.org/ticket/69248>
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