/usr/share/aclocal-1.11/multi.m4 is in automake 1:1.11.3-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | ## -*- Autoconf -*-
# Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2012
# Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 6
# AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR])
# ---------------------------------------------------
# Add --enable-multilib to configure.
AC_DEFUN([AM_ENABLE_MULTILIB],
[m4_warn([obsolete], [$0 will be removed from Automake core soon.
Files implementing the "multilib" feature are (and will remain) available
to the 'contrib/' directory in the Automake distribution.])]dnl
[# Default to --enable-multilib
AC_ARG_ENABLE(multilib,
[ --enable-multilib build many library versions (default)],
[case "$enableval" in
yes) multilib=yes ;;
no) multilib=no ;;
*) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
esac],
[multilib=yes])
# We may get other options which we leave undocumented:
# --with-target-subdir, --with-multisrctop, --with-multisubdir
# See config-ml.in if you want the gory details.
if test "$srcdir" = "."; then
if test "$with_target_subdir" != "."; then
multi_basedir="$srcdir/$with_multisrctop../$2"
else
multi_basedir="$srcdir/$with_multisrctop$2"
fi
else
multi_basedir="$srcdir/$2"
fi
AC_SUBST(multi_basedir)
# Even if the default multilib is not a cross compilation,
# it may be that some of the other multilibs are.
if test $cross_compiling = no && test $multilib = yes \
&& test "x${with_multisubdir}" != x ; then
cross_compiling=maybe
fi
AC_OUTPUT_COMMANDS([
# Only add multilib support code if we just rebuilt the top-level
# Makefile.
case " $CONFIG_FILES " in
*" ]m4_default([$1],Makefile)[ "*)
ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in
;;
esac],
[
srcdir="$srcdir"
host="$host"
target="$target"
with_multisubdir="$with_multisubdir"
with_multisrctop="$with_multisrctop"
with_target_subdir="$with_target_subdir"
ac_configure_args="${multilib_arg} ${ac_configure_args}"
multi_basedir="$multi_basedir"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
CC="$CC"])])dnl
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