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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_subdir_files.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_SUBDIR_FILES [(SUBDIRS [, CASEPATTERN])]
#
# DESCRIPTION
#
# Look into subdirs and copy the (real) files that match pattern into the
# local directory. Preferably we use a symbolic link of course. existing
# local files are not overwritten.
#
# The default casepattern is "*.?|*.cc|*.cpp", the default subdir-list
# contains all subdirs available.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 8
AU_ALIAS([AC_SUBDIR_FILES], [AX_SUBDIR_FILES])
AC_DEFUN([AX_SUBDIR_FILES],
[AC_BEFORE($0,[AX_PROG_CP_S])
for ac_subdir in ifelse([$1], , *, $1) ; do
if test -d $ac_subdir ; then
AC_MSG_CHECKING(subdir $ac_subdir)
for ac_file in $ac_subdir/* ; do
if test -f $ac_file ; then
if test ! -e `basename $ac_file` ; then
case `basename $ac_file` in
ifelse([$2], , *.?|*.cc|*.cpp,[$1]))
echo ${ECHO_N} "$ac_file," ;
$CP_S $ac_file . ;;
esac
fi
fi
done
AC_MSG_RESULT(;)
fi
done
])
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