--- dar-2.7.14/configure.ac.orig	2024-03-23 12:43:29.000000000 +0100
+++ dar-2.7.14/configure.ac	2024-03-28 06:24:44.611456937 +0100
@@ -67,7 +67,6 @@ AC_PROG_CXX
 AC_PROG_CC
 AC_PROG_LIBTOOL
 AC_PROG_MAKE_SET
-AC_PROG_RANLIB
 
 AC_MSG_CHECKING([for C++ compiler usability])
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
@@ -1518,9 +1517,9 @@ AC_ARG_ENABLE( [debug],
                               [ AC_MSG_ERROR([invalid argument given to --enable-debug]) ]
                              )
 
-                        CXXFLAGS="-g -Wall"
-                        CFLAGS="-g -Wall"
-                        LDFLAGS="-g -Wall"
+                        CXXFLAGS="$CXXFLAGS -g -Wall"
+                        CFLAGS="$CFLAGS -g -Wall"
+                        LDFLAGS="$LDFLAGS -g -Wall"
                         debug_static="yes"
                         AC_DEFINE(LIBDAR_NO_OPTIMIZATION, 1, [if defined, informs the code that no optimization has been used for compilation])
                 ],