--- libelwix/configure.in	2024/08/14 16:09:48	1.71.2.1
+++ libelwix/configure.in	2024/08/19 12:56:06	1.71.2.2
@@ -1,6 +1,6 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.71.2.1 2024/08/14 16:09:48 misho Exp $
+# $Id: configure.in,v 1.71.2.2 2024/08/19 12:56:06 misho Exp $
 #
 AC_INIT(libelwix, 6.1, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/elwix.c])
@@ -20,7 +20,11 @@ AC_CANONICAL_TARGET
 AC_CHECK_TOOL(MKDEP, mkdep, ../mkdep)
 AC_SUBST(MKDEP)
 
-CFLAGS="-Wall -O2 -fPIC ${CFLAGS}"
+if test "${ac_cv_env_CFLAGS_set}" != "set"; then
+	CFLAGS="-Wall -O2 -fPIC"
+else
+	CFLAGS="${ac_cv_env_CFLAGS_value}"
+fi
 LDFLAGS="${LDFLAGS}"
 
 AC_CHECK_LIB([pthread], [pthread_mutex_init])