--- a/m4macros/ax_gtest.m4
+++ b/m4macros/ax_gtest.m4
@@ -135,20 +135,18 @@ if test "x$enable_gtest" = "xyes" ; then
             GTEST_FOUND="false"
             for dir in $GTEST_PATHS; do
                 if test -f "$dir/include/gtest/gtest.h"; then
-                    if ! test -f "$dir/lib/libgtest.a"; then
-                        AC_MSG_WARN([Found Google Test include but not the library in $dir.])
-                        continue
-                    fi
-                    GTEST_INCLUDES="-I$dir/include"
-                    GTEST_LDFLAGS="-L$dir/lib"
-                    GTEST_LDADD="-lgtest"
-                    GTEST_FOUND="true"
-                    break
-                fi
-            done
-        fi
-        if test "${GTEST_FOUND}" != "true"; then
-            AC_MSG_ERROR([Cannot find gtest in: $GTEST_PATHS])
+		    if test -f "$dir/lib64/libgtest.a" || \
+                       test -f "$dir/lib64/libgtest.so"; then
+                        GTEST_INCLUDES="-I$dir/include"
+                        GTEST_LDFLAGS="-L$dir/lib64"
+                        GTEST_LDADD="-lgtest"
+                        GTEST_FOUND="true"
+                        break
+                    else
+		        AC_MSG_ERROR([Cannot find gtest in: $GTEST_PATHS])
+		   fi
+	        fi
+	    done
         fi

     fi