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| author | Paul Eggert <eggert@cs.ucla.edu> | 2023-05-17 11:50:27 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2023-05-17 11:50:27 -0700 |
| commit | 8e7281d7bebb5e389befe6e9a5afbb7b2ae13ae0 (patch) | |
| tree | fffa938ea427817069cb58aa7a2a3a3f98801d00 | |
| parent | ccc0d640c4d829504568330f9674408af5092ffc (diff) | |
| download | autoconf-master.tar.gz | |
* lib/autoconf/functions.m4 (AC_FUNC_MMAP): Add comment.
| -rw-r--r-- | lib/autoconf/functions.m4 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4 index 3d6e4aca..54d04cc3 100644 --- a/lib/autoconf/functions.m4 +++ b/lib/autoconf/functions.m4 @@ -1311,6 +1311,8 @@ AC_CACHE_CHECK([for working mmap], [ac_cv_func_mmap_fixed_mapped], #include <sys/mman.h> #ifndef getpagesize +/* Prefer sysconf to the legacy getpagesize function, as getpagesize has + been removed from POSIX and is limited to page sizes that fit in 'int'. */ # ifdef _SC_PAGESIZE # define getpagesize() sysconf (_SC_PAGESIZE) # elif defined _SC_PAGE_SIZE |