masscollaborationlabs/emacs
2
0
Fork 0
mirror of https://github.com/masscollaborationlabs/emacs.git synced 2025-07-03 02:43:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

; * etc/DEBUG: Add link to GCC bug #78685.

Browse source
This commit is contained in:
Sean Whitton 2025-04-30 17:12:50 +08:00
parent 80cbd1e31c
commit d56e5ba97e
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
etc/DEBUG
View file

@ -20,7 +20,7 @@ such as --prefix):
CFLAGS='-O0 -g3'
The -O0 flag is important, as debugging optimized code can be hard, even
in the case that the -Og compiler option is used. If the problem
in the case that the -Og compiler option is used.[1] If the problem
happens only with optimized code, you may need to enable optimizations.
If that happens, try using -Og first instead of -O2, as -Og disables
some optimizations that make debugging some code exceptionally hard.
@ -38,6 +38,9 @@ this below under "Debugging Emacs redisplay problems".
Emacs needs not be installed to be debugged, you can debug the binary
created in the 'src' directory.
[1] gcc's -Og has some known problems and limitations, documented here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78685
*** Configuring GDB
To start GDB to debug Emacs, you can simply type "gdb ./emacs RET" at