[#3130] trim trailing slash

diff --git a/m4macros/ax_gtest.m4 b/m4macros/ax_gtest.m4
index 41bbe09e3f33e898825f0b11b2cf8b66950f419d..138a03f6e0f73f37ceb1031479857992cfb50b4c 100644 (file)
--- a/m4macros/ax_gtest.m4
+++ b/m4macros/ax_gtest.m4
@@ -87,6 +87,8 @@ if test "x$enable_gtest" = "xyes" ; then
                 AC_MSG_ERROR([no gtest sources found])
             fi
         else
+            # Trim trailing slashes.
+            GTEST_SOURCE=$(echo "$GTEST_SOURCE" | ${SED} 's:/*$::')
             cmakelists="$GTEST_SOURCE/CMakeLists.txt"
             if test ! -d "$GTEST_SOURCE/src" -a -d "$GTEST_SOURCE/googletest"; then
                 GTEST_SOURCE="$GTEST_SOURCE/googletest"