Building from source on 5.15.0-43-generic #46-Ubuntu x86_64 GNU/Linux

["Andreas Röhler" <andreas.roehler@easy-emacs.de>]

Hi,

while building from source of recent trunk and emacs-28.1 went fine,

fails on emacs-26.3 and emacs-27.2


WRT to the latter below the final messages from make:


make[2]: Verzeichnis „/home/my-name/emacs-27.2/admin/charsets“ wird 
verlassen
   CC       dispnew.o
   CC       frame.o
   CC       scroll.o
   CC       xdisp.o
   CC       menu.o
   CC       xmenu.o
   CC       window.o
   CC       charset.o
   CC       coding.o
   CC       category.o
   CC       ccl.o
   CC       character.o
   CC       chartab.o
   CC       bidi.o
   CC       cm.o
   CC       term.o
   CC       terminal.o
   CC       xfaces.o
   CC       xterm.o
   CC       xfns.o
   CC       xselect.o
   CC       xrdb.o
   CC       xsmfns.o
   CC       xsettings.o
   CC       gtkutil.o
   CC       emacsgtkfixed.o
   CC       dbusbind.o
   CC       emacs.o
   CC       keyboard.o
   CC       macros.o
   CC       keymap.o
   CC       sysdep.o
sysdep.c:1821:22: error: variably modified ‘sigsegv_stack’ at file scope
  1821 | static unsigned char sigsegv_stack[SIGSTKSZ];
       |                      ^~~~~~~~~~~~~
make[1]: *** [Makefile:406: sysdep.o] Fehler 1
make[1]: *** Auf noch nicht beendete Prozesse wird gewartet …
make[1]: Verzeichnis „/home/my-name/emacs-27.2/src“ wird verlassen
make: *** [Makefile:424: src] Fehler 2

---


Any suggestions?

Thanks,

Andreas