Bug: Org mode fails to compile using Emacs 24.5-r10 [9.4.5 (9.4.5-g3ea248 @ /home/yantar92/.emacs.d/straight/build/org/)]

[Ihor Radchenko]

I was recently testing Org mode using old Emacs versions. Running make
on master fails with the following errors and warnings:

Compiling /home/yantar92/Git/org-mode/lisp/ob-C.el...
Eager macro-expansion failure: (error "Vector QPatterns not implemented yet")

Compiling /home/yantar92/Git/org-mode/lisp/ob-clojure.el...

In end of data:
ob-clojure.el:255:1:Warning: the function `funcall-interactively' is not known
    to be defined.

Compiling /home/yantar92/Git/org-mode/lisp/ob-core.el...

In toplevel form:
ob-core.el:649:1:Error: Vector QPatterns not implemented yet

Compiling /home/yantar92/Git/org-mode/lisp/ob-gnuplot.el...

In end of data:
ob-gnuplot.el:299:1:Warning: the function `file-local-name' is not known to be
    defined.

Compiling /home/yantar92/Git/org-mode/lisp/ob-python.el...
Compiler-macro error for python-syntax-context: (void-function 
python-syntax--context-compiler-macro)

Compiling /home/yantar92/Git/org-mode/lisp/ol-eww.el...

In org-eww-store-link:
ol-eww.el:76:36:Warning: reference to free variable `eww-data'

In end of data:
ol-eww.el:182:1:Warning: the function `eww-current-url' is not known to be
    defined.

Compiling /home/yantar92/Git/org-mode/lisp/org-agenda.el...

In toplevel form:
org-agenda.el:5400:1:Warning: Unused lexical argument `e'

In end of data:
org-agenda.el:10851:1:Warning: the following functions are not known to be
    defined: funcall-interactively, window-font-width

Compiling /home/yantar92/Git/org-mode/lisp/org-plot.el...

In org-plot/gnuplot:
org-plot.el:633:4:Warning: `(dump-func (plist-get type :data-dump))' is a
    malformed function
org-plot.el:682:17:Warning: reference to free variable `dump-func'

In end of data:
org-plot.el:727:1:Warning: the following functions are not known to be
    defined: seq-group-by, if-let, ignore-error

Compiling /home/yantar92/Git/org-mode/lisp/org.el...

In org-display-inline-images:
org.el:16554:57:Warning: reference to free variable `image-map'

In end of data:
org.el:21292:1:Warning: the function `make-process' is not known to be
    defined.

Best,
Ihor