--- libelwix/configure.in	2024/08/14 16:05:42	1.70
+++ libelwix/configure.in	2024/10/12 16:07:16	1.72.4.1
@@ -1,8 +1,8 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.70 2024/08/14 16:05:42 misho Exp $
+# $Id: configure.in,v 1.72.4.1 2024/10/12 16:07:16 misho Exp $
 #
-AC_INIT(libelwix, 6.0, misho@elwix.org)
+AC_INIT(libelwix, 6.3, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/elwix.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
@@ -20,8 +20,14 @@ AC_CANONICAL_TARGET
 AC_CHECK_TOOL(MKDEP, mkdep, ../mkdep)
 AC_SUBST(MKDEP)
 
-CFLAGS="-Wall -O2 -fPIC ${CFLAGS}"
-LDFLAGS="${LDFLAGS}"
+if test "${ac_cv_env_CFLAGS_set}" != "set"; then
+	CFLAGS="-Wall -O2"
+else
+	CFLAGS="${ac_cv_env_CFLAGS_value}"
+fi
+if test "${ac_cv_env_LDFLAGS_set}" = "set"; then
+	LDFLAGS="${ac_cv_env_LDFLAGS_value}"
+fi
 
 AC_CHECK_LIB([pthread], [pthread_mutex_init])
 
@@ -67,23 +73,6 @@ AC_ARG_WITH(memmgr,
 	  esac ], AC_DEFINE(MEMMGR, ELWIX_MPOOL, [ELWIX memory manager]))
 AC_MSG_RESULT($MEMMGR)
 
-<<<<<<< configure.in
-MPOOL_MEM_ZERO=yes
-AC_MSG_CHECKING(MPoll zeroing allocated memory)
-AC_ARG_ENABLE(mpool-mem-zero, 
-	      [  --enable-mpool-mem-zero MPool zeroing allocated memory], 
-	      [ case "$enableval" in 
-		 	yes)
-				AC_DEFINE(MPOOL_MEM_ZERO,, [MPool zeroing memory])
-				MPOOL_MEM_ZERO=yes
-				;;
-			*)
-				MPOOL_MEM_ZERO=no
-				;;
-		  esac ], [ AC_DEFINE(MPOOL_MEM_ZERO,, [MPool zeroing memory]) ])
-AC_MSG_RESULT($MPOOL_MEM_ZERO)
-
-=======
 MPOOL_MEM_ZERO=no
 AC_MSG_CHECKING(MPoll zeroing allocated memory)
 AC_ARG_ENABLE(mpool-mem-zero, 
@@ -99,7 +88,6 @@ AC_ARG_ENABLE(mpool-mem-zero, 
 		  esac ],)
 AC_MSG_RESULT($MPOOL_MEM_ZERO)
 
->>>>>>> 1.68.2.3
 PATRICIA=no
 AC_MSG_CHECKING(Patricia support)
 AC_ARG_ENABLE(patricia,