Getting Cpp17MoveInsertable error on OpenBSD about textadept HOT 6 CLOSED

  inflating: scintilla/curses/scinterm-f8980f045c16b79b6d7b83c06db2c6195e89e3e6/jinx/jinx.c  
   creating: scintilla/curses/scinterm-f8980f045c16b79b6d7b83c06db2c6195e89e3e6/patches/
  inflating: scintilla/curses/scinterm-f8980f045c16b79b6d7b83c06db2c6195e89e3e6/patches/02-caretstyle_curses.patch  
make -C scintilla/curses patch
*** Parse error in /home/user/Downloads/textadept-textadept_11.2_beta_3/src/scintilla/curses: Need an operator in 'DEBUG' (Makefile:10)
*** Parse error: Need an operator in 'else' (Makefile:12)
*** Parse error: Need an operator in 'endif' (Makefile:14)
*** Parse error: Need an operator in '../include' (Makefile:24)
*** Parse error: Need an operator in '../src' (Makefile:25)
gmake: *** [Makefile:381: scintilla/curses] Error 1

cc -c -Os -DLUA_USE_LINUX -Ilua/src -std=c99 -pedantic -DGTK -Iscintilla/include -Igtdialog -Wall -I/usr/local/include/gtk-3.0 -I/usr/local/include/at-spi2-atk/2.0 -I/usr/local/include/at-spi-2.0 -I/usr/X11R6/include -I/usr/local/include/dbus-1.0 -I/usr/local/lib/dbus-1.0/include -I/usr/local/include/gio-unix-2.0 -I/usr/local/include/cairo -I/usr/X11R6/include/libdrm -I/usr/local/include/pango-1.0 -I/usr/local/include/harfbuzz -I/usr/local/include/fribidi -I/usr/local/include -I/usr/local/include/atk-1.0 -I/usr/X11R6/include/pixman-1 -I/usr/X11R6/include/freetype2 -I/usr/local/include/libpng16 -I/usr/local/include/gdk-pixbuf-2.0 -pthread -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -Wno-deprecated-declarations textadept.c -o textadept.o
textadept.c:2447:37: error: use of undeclared identifier 'KERN_PROC_PATHNAME'
  int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
                                    ^
1 error generated.
gmake: *** [Makefile:171: textadept.o] Error 1

ld: error: duplicate symbol: focused_view
>>> defined at textadept.c
>>>            textadept.o:(focused_view)
>>> defined at textadept_gtk.c
>>>            textadept_gtk.o:(.bss+0x20)

(+ many more similar duplicates)