[371-ld-warning-message-on-macos-build] Add lib64 only when it exists and is a directory

diff --git a/configure.ac b/configure.ac
index a721b37dda7f41e1767058af7c03436e6c0d5722..06459df4468290f35bab2e2b6e9e9d20426de08f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -985,11 +985,14 @@ else
         do
                 if test -f $d/include/log4cplus/logger.h; then
                         LOG4CPLUS_INCLUDES="-I$d/include"
-                        LOG4CPLUS_LIBS="-L$d/lib -L$d/lib64"
+                        LOG4CPLUS_LIBS="-L$d/lib"
+                        if test -d $d/lib64; then
+                                LOG4CPLUS_LIBS="$LOG4CPLUS_LIBS -L$d/lib64"
+                        fi
                         break
                 fi
         done
-       DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG="-with-log4cplus"
+        DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG="-with-log4cplus"
 fi
 
 LOG4CPLUS_LIBS="$LOG4CPLUS_LIBS -llog4cplus"