Guido U. Draheim <guidod@gmx.de>
GPLWithACException
This program is free software; you can
redistribute it and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation. As a special exception, the respective
Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify
the configure scripts that are the output of Autoconf when processing the Macro. You
need not follow the terms of the
GNU General Public License when using or distributing such scripts
guidod's Obsoleted (obsoleted)
this is the macro AS_DIRNAME from autoconf 2.4x defined here for
use in autoconf 2.1x, remove the AC_ when you use 2.4x
AC_DEFUN([AC_ECHO_MKFILE],
[dnl
case $2 in
*/*) P=` AC_AS_DIRNAME($2) ` ; AC_AS_MKDIR_P($P) ;;
esac
echo "$1" >$2
])
AC_DEFUN([AC_AS_DIRNAME],
[AC_AS_DIRNAME_EXPR([$1]) 2>/dev/null ||
AC_AS_DIRNAME_SED([$1])
])
# _AC_AS_EXPR_PREPARE
# ----------------
# Some expr work properly (i.e. compute and issue the right result),
# but exit with failure. When a fall back to expr (as in AS_DIRNAME)
# is provided, you get twice the result. Prevent this.
AC_DEFUN([_AC_AS_EXPR_PREPARE],
[if expr a : '\(a\)' >/dev/null 2>&1; then
as_expr=expr
else
as_expr=false
fi
])# _AC_AS_EXPR_PREPARE
# AS_DIRNAME(PATHNAME)
# --------------------
# Simulate running `dirname(1)' on PATHNAME, not all systems have it.
# This macro must be usable from inside ` `.
#
# Prefer expr to echo|sed, since expr is usually faster and it handles
# backslashes and newlines correctly. However, older expr
# implementations (e.g. SunOS 4 expr and Solaris 8 /usr/ucb/expr) have
# a silly length limit that causes expr to fail if the matched
# substring is longer than 120 bytes. So fall back on echo|sed if
# expr fails.
#
# FIXME: Please note the following m4_require is quite wrong: if the first
# occurrence of AS_DIRNAME_EXPR is in a backquoted expression, the
# shell will be lost. We might have to introduce diversions for
# setting up an M4sh script: required macros will then be expanded there.
AC_DEFUN([AC_AS_DIRNAME_EXPR],
[AC_REQUIRE([_AC_AS_EXPR_PREPARE])dnl
$as_expr X[]$1 : 'X\(.*[[^/]]\)//*[[^/][^/]]*/*$' \| \
X[]$1 : 'X\(//\)[[^/]]' \| \
X[]$1 : 'X\(//\)$' \| \
X[]$1 : 'X\(/\)' \| \
. : '\(.\)'])
AC_DEFUN([AC_AS_DIRNAME_SED],
[echo X[]$1 |
sed ['/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
/^X\(\/\/\)[^/].*/{ s//\1/; q; }
/^X\(\/\/\)$/{ s//\1/; q; }
/^X\(\/\).*/{ s//\1/; q; }
s/.*/./; q']])