From db4e5027a5f3da1d69267454d5093ba7e0d6ab3b Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Tue, 21 Apr 2026 21:31:11 +0200
Subject: update configure.ac and prepare 0.0.5

---
 configure.ac | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index efde8cb..1d7704d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,11 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.59)
-AC_INIT(pnmcurve, 0.0.4, Johannes.Hofmann@gmx.de)
+AC_PREREQ([2.71])
+AC_INIT([pnmcurve],[0.0.5],[Johannes.Hofmann@gmx.de])
 AM_INIT_AUTOMAKE
 AC_CONFIG_SRCDIR([src/pnmcurve.c])
-AC_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
 
 CPPFLAGS="$CPPFLAGS"
 CFLAGS="-g -O2 $CFLAGS"
@@ -15,11 +15,10 @@ LDFLAGS="-g $LDFLAGS"
 AC_PROG_CC
 AC_PROG_CXX
 
-AC_LANG_C
-AC_LANG_CPLUSPLUS
+AC_LANG([C])
+AC_LANG([C++])
 
 # Checks for header files.
-AC_HEADER_STDC
 AC_CHECK_HEADERS([stdlib.h string.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
-- 
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