1 files changed, 5 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index c4e9a74..9ad9710 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,25 +29,29 @@ AC_DEFINE_UNQUOTED([PACKAGE_SRC_VERSION],["$PACKAGE_SRC_VERSION"],[more or less
 tr1_mem_std="false"
 tr1_mem_boost="false"
 AC_CHECK_SHAREDPTR(std::tr1,tr1/memory,[ tr1_mem_std=true ])
 AC_CHECK_SHAREDPTR(boost,boost/shared_ptr.hpp,[ tr1_mem_boost=true ])
 tr1_mem=""
 AC_ARG_WITH([tr1-memory],
  AC_HELP_STRING([--with-tr1-memory=<boost|std>],[select tr1/memory (shared_ptr<>) implementation to use]),
  [ tr1_mem="$withval" ]
 )
 AC_MSG_CHECKING([for tr1/memory implementation to use])
 test -z "$tr1_mem" && $tr1_mem_std && tr1_mem=std
 test -z "$tr1_mem" && $tr1_mem_boost && tr1_mem=boost
-test -z "$tr1_mem" && AC_MSG_RESULT([none found]) || AC_MSG_RESULT([$tr1_mem])
+if test -z "$tr1_mem" ; then
+ AC_MSG_RESULT([none found])
+else
+ AC_MSG_RESULT([$tr1_mem])
+fi
 case "$tr1_mem" in
  std)
   $tr1_mem_std || AC_MSG_ERROR([std implementation requested, but not found])
   OPKELE_TR1_MEM_NS=std::tr1
   OPKELE_TR1_MEM_HEADER=tr1/memory
   ;;
  boost)
   $tr1_mem_boost || AC_MSG_ERROR([boost implementation requested, but not found])
   OPKELE_TR1_MEM_NS=boost
   OPKELE_TR1_MEM_HEADER=boost/shared_ptr.hpp
   ;;
  *)