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AC_SYS_YEAR2038_REQUIRED: Fix configure failure with MSVC.

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* lib/autoconf/specific.m4 (_AC_SYS_LARGEFILE_PROBE): Distinguish the results
"support not detected" and "supported through gnulib". If the result is
"supported through gnulib", don't fail.
This commit is contained in:
Bruno Haible 2023-04-19 14:17:24 -07:00 committed by Paul Eggert
parent e704a13c96
commit 2277f2c157
1 changed files with 13 additions and 0 deletions
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13
lib/autoconf/specific.m4
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@ -323,11 +323,24 @@ AC_DEFUN([_AC_SYS_LARGEFILE_PROBE],
test $ac_opt_found = no || break
done
CC="$ac_save_CC"
dnl Gnulib implements large file support for native Windows, based on the
dnl variables WINDOWS_64_BIT_OFF_T, WINDOWS_64_BIT_ST_SIZE.
m4_ifdef([gl_LARGEFILE], [
AC_REQUIRE([AC_CANONICAL_HOST])
if test $ac_opt_found != yes; then
AS_CASE([$host_os],
[mingw*],
[ac_cv_sys_largefile_opts="supported through gnulib"
ac_opt_found=yes]
)
fi
])
test $ac_opt_found = yes || ac_cv_sys_largefile_opts="support not detected"])
ac_have_largefile=yes
AS_CASE([$ac_cv_sys_largefile_opts],
["none needed"], [],
["supported through gnulib"], [],
["support not detected"],
[ac_have_largefile=no
AS_IF([test $ac_largefile_required,$ac_year2038_required != no,no],