# Generate code to set up dependency tracking. -*- Autoconf -*-
# Copyright (C) 1999-2018 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.
# _AM_OUTPUT_DEPENDENCY_COMMANDS
# ------------------------------
AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
[{
# Older Autoconf quotes --file arguments for eval, but not when files
# are listed without --file. Let's play safe and only enable the eval
# if we detect the quoting.
# TODO: see whether this extra hack can be removed once we start
# requiring Autoconf 2.70 or later.
AS_CASE([$CONFIG_FILES],
[*\'*], [eval set x "$CONFIG_FILES"],
[*], [set x $CONFIG_FILES])
shift
# Used to flag and report bootstrapping failures.
am_rc=0
for am_mf
do
# Strip MF so we end up with the name of the file.
am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile which includes
# dependency-tracking related rules and includes.
# Grep'ing the whole file directly is not great: AIX grep has a line
# limit of 2048, but all sed's we know have understand at least 4000.
sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
|| continue
am_dirpart=`AS_DIRNAME(["$am_mf"])`
am_filepart=`AS_BASENAME(["$am_mf"])`
AM_RUN_LOG([cd "$am_dirpart" \
&& sed -e '/# am--include-marker/d' "$am_filepart" \
| $MAKE -f - am--depfiles]) || am_rc=$?
done
if test $am_rc -ne 0; then
AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
for automatic dependency tracking. Try re-running configure with the
'--disable-dependency-tracking' option to at least be able to build
the package (albeit without support for automatic dependency tracking).])
fi
AS_UNSET([am_dirpart])
AS_UNSET([am_filepart])
AS_UNSET([am_mf])
AS_UNSET([am_rc])
rm -f conftest-deps.mk
}
])# _AM_OUTPUT_DEPENDENCY_COMMANDS
# AM_OUTPUT_DEPENDENCY_COMMANDS
# -----------------------------
# This macro should only be invoked once -- use via AC_REQUIRE.
#
# This code is only required when automatic dependency tracking is enabled.
# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
# order to bootstrap the dependency handling code.
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
[AC_CONFIG_COMMANDS([depfiles],
[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
[AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
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