procyberian/emacs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

configure.ac: Fix FIONREAD check with gcc-14 on Solaris

Browse source 
Before this fix, it would fail to build with gcc-14 with the error:
conftest.c: In function 'main':
conftest.c:265:11: error: implicit declaration of function 'ioctl'
 [-Wimplicit-function-declaration]
  265 | int foo = ioctl (0, FIONREAD, &foo);
      |           ^~~~~

Solaris documents ioctl() as being defined in <unistd.h>.

* configure.ac: Fix FIONREAD check with gcc-14 on Solaris.
Ref:
https://lists.gnu.org/r/emacs-devel/2024-10/msg00195.html

Copyright-paperwork-exempt: yes
This commit is contained in:
Alan Coopersmith 2024-10-23 15:41:08 +02:00 • committed by Stefan Kangas
parent c037b25397
commit 5e5689a2a4
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
configure.ac
View file

@ -7117,6 +7117,9 @@ AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
#ifdef USG5_4
# include <sys/filio.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h> /* defines ioctl() on Solaris */
#endif
]],
[[int foo = ioctl (0, FIONREAD, &foo);]])],
[emacs_cv_usable_FIONREAD=yes],