--- libaitcfg/configure.in	2008/09/30 14:58:53	1.1.2.4
+++ libaitcfg/configure.in	2021/11/26 01:15:03	1.27
@@ -1,21 +1,31 @@
-AC_INIT(libaitcfg, 3.0, misho@openbsd-bg.org)
+#
+# $Author: misho $
+# $Id: configure.in,v 1.27 2021/11/26 01:15:03 misho Exp $
+#
+AC_INIT(libaitcfg, 9.0, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitcfg.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
+ac_cv_func_malloc_0_nonnull="yes"
+ac_cv_func_realloc_0_nonnull="yes"
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_INSTALL
+AC_PROG_RANLIB
 
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
-AC_CHECK_TOOL(MKDEP, mkdep, no)
+AC_CHECK_TOOL(MKDEP, mkdep, ../mkdep)
 AC_SUBST(MKDEP)
 
-CFLAGS="-Wall -O2 -fPIC -I/usr/local/include ${CFLAGS}"
-LDFLAGS="-L/usr/local/lib ${LDFLAGS}"
+CFLAGS="-Wall -O2 -fPIC ${CFLAGS}"
+LDFLAGS="${LDFLAGS}"
 
 # Checks for libraries.
+AC_CHECK_LIB([pthread], [pthread_mutex_lock])
+AC_CHECK_LIB([elwix], [str_Trim])
 
 # Checks for header files.
 
@@ -36,8 +46,10 @@ AC_ARG_ENABLE(debug,
 		case "$enableval" in
 			yes)
 				AC_DEFINE(__DEBUG,, [Build libraries with debug information and additional messages])
+				CFLAGS="-g ${CFLAGS}"
 				;;
 			*)
+				AC_DEFINE(NDEBUG,, [No debug, remove asserts])
 				;;
 		esac ],)
 AC_MSG_RESULT($DEBUG)