Re: Building Emacs on WSL

[Fabrice Popineau <fabrice.popineau@centralesupelec.fr>]

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>
>
> Emacs master fails with the same configuration. It fails bootstrapping:
>
> (gdb) run  --batch  --load loadup bootstrap
> Starting program: /mnt/d/Source/emacs/build-emacs-ubuntu/src/temacs
> --batch  --load loadup bootstrap
> warning: Error disabling address space randomization: Succès
> warning: linux_ptrace_test_ret_to_nx: PTRACE_KILL waitpid returned -1:
> Appel système interrompu
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> process 17622 is executing new program: /mnt/d/Source/emacs/build-
> emacs-ubuntu/src/temacs
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> process 17622 is executing new program: /mnt/d/Source/emacs/build-
> emacs-ubuntu/src/temacs
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> process 17622 is executing new program: /mnt/d/Source/emacs/build-
> emacs-ubuntu/src/temacs
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> process 17622 is executing new program: /mnt/d/Source/emacs/build-
> emacs-ubuntu/src/temacs
>
> I must admit that I don't know how to read what gdb is reporting.
>
>
However, there is a simple fix:

diff --git a/src/emacs.c b/src/emacs.c
index dc13b15..46a0593 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -699,6 +699,7 @@ main (int argc, char **argv)
   bool disable_aslr = dumping;
 # endif

+#if 0
   if (disable_aslr && disable_address_randomization ())
     {
       /* Set this so the personality will be reverted before execs
@@ -712,6 +713,7 @@ main (int argc, char **argv)
       /* If the exec fails, warn and then try anyway.  */
       perror (argv[0]);
     }
+#endif

 #ifndef CANNOT_DUMP
   might_dump = !initialized;

Now, Spacemacs loads as well with master.

Fabrice

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