1# Public macros for the TeX Live (TL) tree.
2# Copyright (C) 2013 Peter Breitenlohner <tex-live@tug.org>
3#
4# This file is free software; the copyright holder
5# gives unlimited permission to copy and/or distribute it,
6# with or without modifications, as long as this notice is preserved.
7
8# KPSE_LARGEFILE(MAKE-VAR,[EXTRA-DEFINE])
9# ---------------------------------------
10# Append -D's required for largefile support to MAKE-VAR.
11AC_DEFUN([KPSE_LARGEFILE], [dnl
12AC_REQUIRE([AC_SYS_LARGEFILE])[]dnl
13AC_REQUIRE([AC_FUNC_FSEEKO])[]dnl
14if test "x$enable_largefile" != xno; then
15  AS_CASE([$ac_cv_sys_file_offset_bits],
16          [no], [],
17          [unknown], [AS_CASE([$ac_cv_sys_large_files],
18                              [no | unknown], [],
19                              [$1="$$1 -D_LARGE_FILES"])],
20          [$1="$$1 m4_ifval([$2], [-D$2 ])-D_FILE_OFFSET_BITS=64"])
21fi
22AS_CASE([$ac_cv_sys_largefile_source],
23        [no | unknown], [],
24        [$1="$$1 -D_LARGEFILE_SOURCE"])
25]) # KPSE_LARGEFILE
26