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Diffstat (limited to 'gnulib-m4/extensions-aix.m4')
| -rw-r--r-- | gnulib-m4/extensions-aix.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gnulib-m4/extensions-aix.m4 b/gnulib-m4/extensions-aix.m4 new file mode 100644 index 00000000..990a7ac3 --- /dev/null +++ b/gnulib-m4/extensions-aix.m4 @@ -0,0 +1,25 @@ +# extensions-aix.m4 +# serial 1 +dnl Copyright (C) 2024 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# On AIX, most extensions are already enabled through the _ALL_SOURCE macro, +# defined by gl_USE_SYSTEM_EXTENSIONS. gl_USE_AIX_EXTENSIONS additionally +# activates more GNU and Linux-like behaviours, affecting +# - the time_t type, +# - errno values in <errno.h>: ENOTEMPTY +# - functions in <stdlib.h>: malloc calloc realloc valloc +# <https://www.ibm.com/docs/en/aix/7.3?topic=m-malloc-free-realloc-calloc-mallopt-mallinfo-mallinfo-heap-alloca-valloc-posix-memalign-subroutine> +# - functions in <string.h>: strerror_r (returns 'char *', like glibc) +# - functions in <dirent.h>: scandir, alphasort, readdir_r +# - functions in <netdb.h>: gethostbyname_r gethostbyaddr_r +# - declarations in <unistd.h>: sbrk +# and a couple of secondary <sys/*> header files. + +AC_DEFUN_ONCE([gl_USE_AIX_EXTENSIONS], +[ + AC_DEFINE([_LINUX_SOURCE_COMPAT], [1], + [Define so that AIX headers are more compatible with GNU/Linux.]) +]) |