From 137ce8dd46d313f15ee93ddbb5428d702aa61ed8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 06:24:34 +0200 Subject: Merging upstream version 10.0. Signed-off-by: Daniel Baumann --- m4/.gitignore | 1 + m4/ax_recursive_eval.m4 | 31 +++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 m4/ax_recursive_eval.m4 (limited to 'm4') diff --git a/m4/.gitignore b/m4/.gitignore index 63f9fa7..37888dd 100644 --- a/m4/.gitignore +++ b/m4/.gitignore @@ -7,6 +7,7 @@ !ax_prog_perl_modules.m4 !ax_pthread.m4 !ax_python.m4 +!ax_recursive_eval.m4 !ax_sys_weak_alias.m4 !ax_sys_weak_alias.m4 !pkg.m4 diff --git a/m4/ax_recursive_eval.m4 b/m4/ax_recursive_eval.m4 new file mode 100644 index 0000000..0283602 --- /dev/null +++ b/m4/ax_recursive_eval.m4 @@ -0,0 +1,31 @@ +# SPDX-License-Identifier: GPL-2.0-or-later WITH Autoconf-exception-2.0 +# +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_recursive_eval.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_RECURSIVE_EVAL(VALUE, RESULT) +# +# DESCRIPTION +# +# Interpolate the VALUE in loop until it doesn't change, and set the +# result to $RESULT. This version has a recursion limit (10). +# +# LICENSE +# +# Copyright (c) 2008 Alexandre Duret-Lutz +# Copyright (c) 2024 David Lamparter + +AC_DEFUN([AX_RECURSIVE_EVAL], +[_lcl_receval="$1" +$2=`(test "x$prefix" = xNONE && prefix="$ac_default_prefix" + test "x$exec_prefix" = xNONE && exec_prefix="${prefix}" + _lcl_receval_old='' + for _rec_limit in 1 2 3 4 5 6 7 8 9 10; do + test "[$]_lcl_receval_old" = "[$]_lcl_receval" && break + _lcl_receval_old="[$]_lcl_receval" + eval _lcl_receval="\"[$]_lcl_receval\"" + done + echo "[$]_lcl_receval")`]) -- cgit v1.2.3