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-rw-r--r--gnulib-m4/largefile.m47
1 files changed, 6 insertions, 1 deletions
diff --git a/gnulib-m4/largefile.m4 b/gnulib-m4/largefile.m4
index 3e8b5e39..ec9677c4 100644
--- a/gnulib-m4/largefile.m4
+++ b/gnulib-m4/largefile.m4
@@ -10,8 +10,10 @@
# It does not set _LARGEFILE_SOURCE=1 on HP-UX/ia64 32-bit, although this
# setting of _LARGEFILE_SOURCE is needed so that <stdio.h> declares fseeko
# and ftello in C++ mode as well.
+# Fixed in Autoconf 2.72, which has AC_SYS_YEAR2038.
AC_DEFUN([gl_SET_LARGEFILE_SOURCE],
[
+ m4_ifndef([AC_SYS_YEAR2038], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_FUNC_FSEEKO
case "$host_os" in
@@ -20,9 +22,10 @@ AC_DEFUN([gl_SET_LARGEFILE_SOURCE],
[Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2).])
;;
esac
+ ])
])
-# Work around a problem in Autoconf through at least 2.71 on glibc 2.34+
+# Work around a problem in Autoconf through 2.71 on glibc 2.34+
# with _TIME_BITS. Also, work around a problem in autoconf <= 2.69:
# AC_SYS_LARGEFILE does not configure for large inodes on Mac OS X 10.5,
# or configures them incorrectly in some cases.
@@ -43,6 +46,7 @@ m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES],
])
])# m4_version_prereq 2.70
+m4_ifndef([AC_SYS_YEAR2038], [
# _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE,
# CACHE-VAR,
@@ -118,6 +122,7 @@ AS_IF([test "$enable_largefile" != no],
[64],
[gl_YEAR2038_BODY([])])])
])# AC_SYS_LARGEFILE
+])# m4_ifndef AC_SYS_YEAR2038
# Enable large files on systems where this is implemented by Gnulib, not by the
# system headers.