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Improve OS version commentary

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* lib/autoconf/specific.m4: Improve comments about which
OS releases need -D_LARGE_FILES, -n32, _ALL_SOURCE.
This commit is contained in:
Paul Eggert 2022-12-30 12:47:53 -08:00
parent 845c3d2d7a
commit d06f3b532e
1 changed files with 3 additions and 3 deletions
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lib/autoconf/specific.m4
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@ -286,8 +286,8 @@ m4_define([_AC_SYS_LARGEFILE_TEST_CODE],
m4_define([_AC_SYS_LARGEFILE_OPTIONS], m4_normalize(
["none needed"] dnl Most current systems
["-D_FILE_OFFSET_BITS=64"] dnl X/Open LFS spec
["-D_LARGE_FILES=1"] dnl AIX (which versions?)
["-n32"] dnl Irix 6.2 w/ SGI compiler
["-D_LARGE_FILES=1"] dnl 32-bit AIX 4.2.1+, 32-bit z/OS
["-n32"] dnl 32-bit IRIX 6, SGI cc (obsolete)
))
# _AC_SYS_LARGEFILE_PROBE
@ -591,7 +591,7 @@ dnl configure.ac when using autoheader 2.62.
dnl The macros below are in alphabetical order ignoring leading _ or __
dnl prefixes.
AH_VERBATIM([USE_SYSTEM_EXTENSIONS],
[/* Enable extensions on AIX 3, Interix. */
[/* Enable extensions on AIX, Interix, z/OS. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif