Renovate configure.ac

configure.ac

-AC_PREREQ(2.68)
-AC_COPYRIGHT([Copyright (c) 2018 UPLEX - Nils Goroll Systemoptimierung])
-AC_INIT([libvmod-selector], [trunk], [varnish-support@uplex.de], [vmod-selector])
+AC_PREREQ([2.69])
+AC_COPYRIGHT([Copyright 2018-2022 UPLEX - Nils Goroll Systemoptimierung])
+AC_INIT([libvmod-selector],[trunk],[varnish-support@uplex.de],[vmod-selector])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/vmod_selector.vcc)
-AM_CONFIG_HEADER(config.h)
-AC_CANONICAL_SYSTEM
+AC_CONFIG_HEADERS([config.h])
+AC_CANONICAL_TARGET
 AC_LANG(C)
 
 AM_INIT_AUTOMAKE([1.12 -Wall -Werror foreign parallel-tests])
@@ -14,13 +14,6 @@ AM_PROG_AR
 LT_PREREQ([2.2.6])
 LT_INIT([dlopen disable-static])
 
-AC_PROG_CC
-AC_PROG_CC_STDC
-if test "x$ac_cv_prog_cc_c99" = xno; then
-	AC_MSG_ERROR([Could not find a C99 compatible compiler])
-fi
-AC_PROG_CPP
-
 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
 
 LIBS="$PTHREAD_LIBS $LIBS"