diff --git a/Makefile.in b/Makefile.in
index a5930ed..1f9afa9 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -177,6 +177,7 @@ LDFLAGS = @LDFLAGS@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBTOOL = @LIBTOOL@
+LIBTOOL_DEPS = @LIBTOOL_DEPS@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
diff --git a/autom4te.cache/output.0 b/autom4te.cache/output.0
index 8593836..405f19e 100644
--- a/autom4te.cache/output.0
+++ b/autom4te.cache/output.0
@@ -768,6 +768,7 @@ CXXDEPMODE
 ac_ct_CXX
 CXXFLAGS
 CXX
+LIBTOOL_DEPS
 CPP
 OTOOL64
 OTOOL
@@ -10695,6 +10696,7 @@ CC="$lt_save_CC"
 # Only expand once:
 
 
+
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/autom4te.cache/output.1 b/autom4te.cache/output.1
index beb32e5..d356231 100644
--- a/autom4te.cache/output.1
+++ b/autom4te.cache/output.1
@@ -768,6 +768,7 @@ CXXDEPMODE
 ac_ct_CXX
 CXXFLAGS
 CXX
+LIBTOOL_DEPS
 CPP
 OTOOL64
 OTOOL
@@ -10691,6 +10692,7 @@ CC="$lt_save_CC"
 # Only expand once:
 
 
+
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/autom4te.cache/traces.0 b/autom4te.cache/traces.0
index 2488342..ab4a84d 100644
--- a/autom4te.cache/traces.0
+++ b/autom4te.cache/traces.0
@@ -2453,114 +2453,115 @@ m4trace:configure.ac:16: -1- m4_pattern_allow([^CPPFLAGS$])
 m4trace:configure.ac:16: -1- m4_pattern_allow([^CPP$])
 m4trace:configure.ac:16: -1- m4_pattern_allow([^STDC_HEADERS$])
 m4trace:configure.ac:16: -1- m4_pattern_allow([^HAVE_DLFCN_H$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LDFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LIBS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CPPFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^ac_ct_CXX$])
-m4trace:configure.ac:17: -1- _AM_DEPENDENCIES([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXDEPMODE$])
-m4trace:configure.ac:17: -1- AM_CONDITIONAL([am__fastdepCXX], [
+m4trace:configure.ac:17: -1- m4_pattern_allow([^LIBTOOL_DEPS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LDFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LIBS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CPPFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^ac_ct_CXX$])
+m4trace:configure.ac:18: -1- _AM_DEPENDENCIES([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXDEPMODE$])
+m4trace:configure.ac:18: -1- AM_CONDITIONAL([am__fastdepCXX], [
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CXX_dependencies_compiler_type" = gcc3])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- LT_LANG([CXX])
-m4trace:configure.ac:17: -1- LT_SUPPORTED_TAG([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LDFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LIBS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CPPFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^ac_ct_CXX$])
-m4trace:configure.ac:17: -1- _AM_DEPENDENCIES([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXDEPMODE$])
-m4trace:configure.ac:17: -1- AM_CONDITIONAL([am__fastdepCXX], [
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- LT_LANG([CXX])
+m4trace:configure.ac:18: -1- LT_SUPPORTED_TAG([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LDFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LIBS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CPPFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^ac_ct_CXX$])
+m4trace:configure.ac:18: -1- _AM_DEPENDENCIES([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXDEPMODE$])
+m4trace:configure.ac:18: -1- AM_CONDITIONAL([am__fastdepCXX], [
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CXX_dependencies_compiler_type" = gcc3])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- LT_LANG([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXCPP$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CPPFLAGS$])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXCPP$])
-m4trace:configure.ac:17: -1- _LT_COMPILER_BOILERPLATE
-m4trace:configure.ac:17: -1- _LT_LINKER_BOILERPLATE
-m4trace:configure.ac:17: -1- _LT_CC_BASENAME([$compiler])
-m4trace:configure.ac:17: -1- LT_PATH_LD
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LD$])
-m4trace:configure.ac:17: -1- _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, CXX) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, CXX)], [$_LT_TAGVAR(lt_prog_compiler_pic, CXX)@&t@m4_if([CXX],[],[ -DPIC],[m4_if([CXX],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, CXX) in
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- LT_LANG([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXCPP$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CPPFLAGS$])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXCPP$])
+m4trace:configure.ac:18: -1- _LT_COMPILER_BOILERPLATE
+m4trace:configure.ac:18: -1- _LT_LINKER_BOILERPLATE
+m4trace:configure.ac:18: -1- _LT_CC_BASENAME([$compiler])
+m4trace:configure.ac:18: -1- LT_PATH_LD
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LD$])
+m4trace:configure.ac:18: -1- _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, CXX) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, CXX)], [$_LT_TAGVAR(lt_prog_compiler_pic, CXX)@&t@m4_if([CXX],[],[ -DPIC],[m4_if([CXX],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, CXX) in
      "" | " "*) ;;
      *) _LT_TAGVAR(lt_prog_compiler_pic, CXX)=" $_LT_TAGVAR(lt_prog_compiler_pic, CXX)" ;;
      esac], [_LT_TAGVAR(lt_prog_compiler_pic, CXX)=
      _LT_TAGVAR(lt_prog_compiler_can_build_shared, CXX)=no])
-m4trace:configure.ac:17: -1- _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], [lt_cv_prog_compiler_static_works_CXX], [$lt_tmp_static_flag], [], [_LT_TAGVAR(lt_prog_compiler_static, CXX)=])
-m4trace:configure.ac:19: -1- m4_pattern_allow([^WORDS_BIGENDIAN$])
-m4trace:configure.ac:19: -1- m4_pattern_allow([^AC_APPLE_UNIVERSAL_BUILD$])
-m4trace:configure.ac:26: -1- GTEST_LIB_CHECK([], [true], [true # Ignore; we can live without it.])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CONFIG$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CPPFLAGS$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CXXFLAGS$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_LDFLAGS$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_LIBS$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_VERSION$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CONFIG$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST$])
-m4trace:configure.ac:26: -1- AM_CONDITIONAL([HAVE_GTEST], [test "x$HAVE_GTEST" = "xyes"])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST_TRUE$])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST_FALSE$])
-m4trace:configure.ac:26: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_TRUE])
-m4trace:configure.ac:26: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_FALSE])
-m4trace:configure.ac:36: -1- PKG_CHECK_MODULES([gflags], [libgflags], [AC_DEFINE([HAVE_GFLAGS], [1], [Use the gflags package for command-line parsing.])], [if test "x$with_gflags" != "xcheck"; then
+m4trace:configure.ac:18: -1- _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], [lt_cv_prog_compiler_static_works_CXX], [$lt_tmp_static_flag], [], [_LT_TAGVAR(lt_prog_compiler_static, CXX)=])
+m4trace:configure.ac:20: -1- m4_pattern_allow([^WORDS_BIGENDIAN$])
+m4trace:configure.ac:20: -1- m4_pattern_allow([^AC_APPLE_UNIVERSAL_BUILD$])
+m4trace:configure.ac:27: -1- GTEST_LIB_CHECK([], [true], [true # Ignore; we can live without it.])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CONFIG$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CPPFLAGS$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CXXFLAGS$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_LDFLAGS$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_LIBS$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_VERSION$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CONFIG$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST$])
+m4trace:configure.ac:27: -1- AM_CONDITIONAL([HAVE_GTEST], [test "x$HAVE_GTEST" = "xyes"])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST_TRUE$])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST_FALSE$])
+m4trace:configure.ac:27: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_TRUE])
+m4trace:configure.ac:27: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_FALSE])
+m4trace:configure.ac:37: -1- PKG_CHECK_MODULES([gflags], [libgflags], [AC_DEFINE([HAVE_GFLAGS], [1], [Use the gflags package for command-line parsing.])], [if test "x$with_gflags" != "xcheck"; then
       AC_MSG_FAILURE([--with-gflags was given, but test for gflags failed])
     fi])
-m4trace:configure.ac:36: -1- PKG_PROG_PKG_CONFIG
-m4trace:configure.ac:36: -1- m4_pattern_forbid([^_?PKG_[A-Z_]+$])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^PKG_CONFIG$])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^PKG_CONFIG$])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^gflags_CFLAGS$])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^gflags_LIBS$])
-m4trace:configure.ac:36: -1- PKG_CHECK_EXISTS([libgflags], [pkg_cv_[]gflags_CFLAGS=`$PKG_CONFIG --[]cflags "libgflags" 2>/dev/null`], [pkg_failed=yes])
-m4trace:configure.ac:36: -1- PKG_CHECK_EXISTS([libgflags], [pkg_cv_[]gflags_LIBS=`$PKG_CONFIG --[]libs "libgflags" 2>/dev/null`], [pkg_failed=yes])
-m4trace:configure.ac:36: -1- _PKG_SHORT_ERRORS_SUPPORTED
-m4trace:configure.ac:36: -1- m4_pattern_allow([^HAVE_GFLAGS$])
-m4trace:configure.ac:49: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
+m4trace:configure.ac:37: -1- PKG_PROG_PKG_CONFIG
+m4trace:configure.ac:37: -1- m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^PKG_CONFIG$])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^PKG_CONFIG$])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^gflags_CFLAGS$])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^gflags_LIBS$])
+m4trace:configure.ac:37: -1- PKG_CHECK_EXISTS([libgflags], [pkg_cv_[]gflags_CFLAGS=`$PKG_CONFIG --[]cflags "libgflags" 2>/dev/null`], [pkg_failed=yes])
+m4trace:configure.ac:37: -1- PKG_CHECK_EXISTS([libgflags], [pkg_cv_[]gflags_LIBS=`$PKG_CONFIG --[]libs "libgflags" 2>/dev/null`], [pkg_failed=yes])
+m4trace:configure.ac:37: -1- _PKG_SHORT_ERRORS_SUPPORTED
+m4trace:configure.ac:37: -1- m4_pattern_allow([^HAVE_GFLAGS$])
+m4trace:configure.ac:50: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
 You should run autoupdate.], [../../lib/autoconf/general.m4:2581: AC_TRY_COMPILE is expanded from...
-configure.ac:49: the top level])
-m4trace:configure.ac:59: -1- m4_pattern_allow([^HAVE_BUILTIN_EXPECT$])
-m4trace:configure.ac:66: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
+configure.ac:50: the top level])
+m4trace:configure.ac:60: -1- m4_pattern_allow([^HAVE_BUILTIN_EXPECT$])
+m4trace:configure.ac:67: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
 You should run autoupdate.], [../../lib/autoconf/general.m4:2581: AC_TRY_COMPILE is expanded from...
-configure.ac:66: the top level])
-m4trace:configure.ac:76: -1- m4_pattern_allow([^HAVE_BUILTIN_CTZ$])
-m4trace:configure.ac:81: -1- m4_pattern_allow([^HAVE_LIBZ$])
-m4trace:configure.ac:82: -1- m4_pattern_allow([^HAVE_LIBLZO2$])
-m4trace:configure.ac:83: -1- m4_pattern_allow([^HAVE_LIBLZF$])
-m4trace:configure.ac:84: -1- m4_pattern_allow([^HAVE_LIBFASTLZ$])
-m4trace:configure.ac:85: -1- m4_pattern_allow([^HAVE_LIBQUICKLZ$])
-m4trace:configure.ac:89: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
-m4trace:configure.ac:91: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
-m4trace:configure.ac:94: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
-m4trace:configure.ac:96: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
-m4trace:configure.ac:104: -1- m4_pattern_allow([^SNAPPY_MAJOR$])
-m4trace:configure.ac:105: -1- m4_pattern_allow([^SNAPPY_MINOR$])
-m4trace:configure.ac:106: -1- m4_pattern_allow([^SNAPPY_PATCHLEVEL$])
-m4trace:configure.ac:107: -1- m4_pattern_allow([^SNAPPY_LTVERSION$])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^LIB@&t@OBJS$])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^LTLIBOBJS$])
-m4trace:configure.ac:111: -1- AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^am__EXEEXT_TRUE$])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^am__EXEEXT_FALSE$])
-m4trace:configure.ac:111: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_TRUE])
-m4trace:configure.ac:111: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_FALSE])
-m4trace:configure.ac:111: -1- _AC_AM_CONFIG_HEADER_HOOK(["$ac_file"])
-m4trace:configure.ac:111: -1- _AM_OUTPUT_DEPENDENCY_COMMANDS
-m4trace:configure.ac:111: -1- _LT_PROG_LTMAIN
+configure.ac:67: the top level])
+m4trace:configure.ac:77: -1- m4_pattern_allow([^HAVE_BUILTIN_CTZ$])
+m4trace:configure.ac:82: -1- m4_pattern_allow([^HAVE_LIBZ$])
+m4trace:configure.ac:83: -1- m4_pattern_allow([^HAVE_LIBLZO2$])
+m4trace:configure.ac:84: -1- m4_pattern_allow([^HAVE_LIBLZF$])
+m4trace:configure.ac:85: -1- m4_pattern_allow([^HAVE_LIBFASTLZ$])
+m4trace:configure.ac:86: -1- m4_pattern_allow([^HAVE_LIBQUICKLZ$])
+m4trace:configure.ac:90: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
+m4trace:configure.ac:92: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
+m4trace:configure.ac:95: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
+m4trace:configure.ac:97: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
+m4trace:configure.ac:105: -1- m4_pattern_allow([^SNAPPY_MAJOR$])
+m4trace:configure.ac:106: -1- m4_pattern_allow([^SNAPPY_MINOR$])
+m4trace:configure.ac:107: -1- m4_pattern_allow([^SNAPPY_PATCHLEVEL$])
+m4trace:configure.ac:108: -1- m4_pattern_allow([^SNAPPY_LTVERSION$])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^LIB@&t@OBJS$])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^LTLIBOBJS$])
+m4trace:configure.ac:112: -1- AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^am__EXEEXT_TRUE$])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^am__EXEEXT_FALSE$])
+m4trace:configure.ac:112: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_TRUE])
+m4trace:configure.ac:112: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_FALSE])
+m4trace:configure.ac:112: -1- _AC_AM_CONFIG_HEADER_HOOK(["$ac_file"])
+m4trace:configure.ac:112: -1- _AM_OUTPUT_DEPENDENCY_COMMANDS
+m4trace:configure.ac:112: -1- _LT_PROG_LTMAIN
diff --git a/autom4te.cache/traces.1 b/autom4te.cache/traces.1
index 2f99b7a..4b3dfdd 100644
--- a/autom4te.cache/traces.1
+++ b/autom4te.cache/traces.1
@@ -446,90 +446,93 @@ m4trace:configure.ac:16: -1- AH_OUTPUT([HAVE_UNISTD_H], [/* Define to 1 if you h
 @%:@undef HAVE_UNISTD_H])
 m4trace:configure.ac:16: -1- AC_DEFINE_TRACE_LITERAL([HAVE_DLFCN_H])
 m4trace:configure.ac:16: -1- m4_pattern_allow([^HAVE_DLFCN_H$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXX])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXXFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXXFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([LDFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([LDFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LDFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([LIBS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([LIBS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LIBS$])
-m4trace:configure.ac:17: -1- AC_SUBST([CPPFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CPPFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CPPFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXX])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- AC_SUBST([ac_ct_CXX])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([ac_ct_CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^ac_ct_CXX$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXXDEPMODE], [depmode=$am_cv_CXX_dependencies_compiler_type])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXXDEPMODE])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXDEPMODE$])
-m4trace:configure.ac:17: -1- AM_CONDITIONAL([am__fastdepCXX], [
+m4trace:configure.ac:17: -1- AC_SUBST([LIBTOOL_DEPS])
+m4trace:configure.ac:17: -1- AC_SUBST_TRACE([LIBTOOL_DEPS])
+m4trace:configure.ac:17: -1- m4_pattern_allow([^LIBTOOL_DEPS$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXX])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXXFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXXFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([LDFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([LDFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LDFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([LIBS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([LIBS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LIBS$])
+m4trace:configure.ac:18: -1- AC_SUBST([CPPFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CPPFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CPPFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXX])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- AC_SUBST([ac_ct_CXX])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([ac_ct_CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^ac_ct_CXX$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXXDEPMODE], [depmode=$am_cv_CXX_dependencies_compiler_type])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXXDEPMODE])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXDEPMODE$])
+m4trace:configure.ac:18: -1- AM_CONDITIONAL([am__fastdepCXX], [
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CXX_dependencies_compiler_type" = gcc3])
-m4trace:configure.ac:17: -1- AC_SUBST([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
-m4trace:configure.ac:17: -1- AC_SUBST([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- LT_SUPPORTED_TAG([CXX])
-m4trace:configure.ac:17: -1- AC_SUBST([CXX])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXXFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXXFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([LDFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([LDFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LDFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([LIBS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([LIBS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LIBS$])
-m4trace:configure.ac:17: -1- AC_SUBST([CPPFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CPPFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CPPFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXX])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXX$])
-m4trace:configure.ac:17: -1- AC_SUBST([ac_ct_CXX])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([ac_ct_CXX])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^ac_ct_CXX$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXXDEPMODE], [depmode=$am_cv_CXX_dependencies_compiler_type])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXXDEPMODE])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXDEPMODE$])
-m4trace:configure.ac:17: -1- AM_CONDITIONAL([am__fastdepCXX], [
+m4trace:configure.ac:18: -1- AC_SUBST([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
+m4trace:configure.ac:18: -1- AC_SUBST([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- LT_SUPPORTED_TAG([CXX])
+m4trace:configure.ac:18: -1- AC_SUBST([CXX])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXXFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXXFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([LDFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([LDFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LDFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([LIBS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([LIBS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LIBS$])
+m4trace:configure.ac:18: -1- AC_SUBST([CPPFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CPPFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CPPFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXX])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXX$])
+m4trace:configure.ac:18: -1- AC_SUBST([ac_ct_CXX])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([ac_ct_CXX])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^ac_ct_CXX$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXXDEPMODE], [depmode=$am_cv_CXX_dependencies_compiler_type])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXXDEPMODE])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXDEPMODE$])
+m4trace:configure.ac:18: -1- AM_CONDITIONAL([am__fastdepCXX], [
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CXX_dependencies_compiler_type" = gcc3])
-m4trace:configure.ac:17: -1- AC_SUBST([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
-m4trace:configure.ac:17: -1- AC_SUBST([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
-m4trace:configure.ac:17: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
-m4trace:configure.ac:17: -1- AC_SUBST([CXXCPP])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXXCPP])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXCPP$])
-m4trace:configure.ac:17: -1- AC_SUBST([CPPFLAGS])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CPPFLAGS])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CPPFLAGS$])
-m4trace:configure.ac:17: -1- AC_SUBST([CXXCPP])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([CXXCPP])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^CXXCPP$])
-m4trace:configure.ac:17: -1- AC_SUBST([LD])
-m4trace:configure.ac:17: -1- AC_SUBST_TRACE([LD])
-m4trace:configure.ac:17: -1- m4_pattern_allow([^LD$])
-m4trace:configure.ac:19: -1- AH_OUTPUT([WORDS_BIGENDIAN], [/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+m4trace:configure.ac:18: -1- AC_SUBST([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_TRUE$])
+m4trace:configure.ac:18: -1- AC_SUBST([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^am__fastdepCXX_FALSE$])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_TRUE])
+m4trace:configure.ac:18: -1- _AM_SUBST_NOTMAKE([am__fastdepCXX_FALSE])
+m4trace:configure.ac:18: -1- AC_SUBST([CXXCPP])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXXCPP])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXCPP$])
+m4trace:configure.ac:18: -1- AC_SUBST([CPPFLAGS])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CPPFLAGS])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CPPFLAGS$])
+m4trace:configure.ac:18: -1- AC_SUBST([CXXCPP])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([CXXCPP])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^CXXCPP$])
+m4trace:configure.ac:18: -1- AC_SUBST([LD])
+m4trace:configure.ac:18: -1- AC_SUBST_TRACE([LD])
+m4trace:configure.ac:18: -1- m4_pattern_allow([^LD$])
+m4trace:configure.ac:20: -1- AH_OUTPUT([WORDS_BIGENDIAN], [/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
    significant byte first (like Motorola and SPARC, unlike Intel). */
 #if defined AC_APPLE_UNIVERSAL_BUILD
 # if defined __BIG_ENDIAN__
@@ -540,155 +543,155 @@ m4trace:configure.ac:19: -1- AH_OUTPUT([WORDS_BIGENDIAN], [/* Define WORDS_BIGEN
 #  undef WORDS_BIGENDIAN
 # endif
 #endif])
-m4trace:configure.ac:19: -1- AC_DEFINE_TRACE_LITERAL([WORDS_BIGENDIAN])
-m4trace:configure.ac:19: -1- m4_pattern_allow([^WORDS_BIGENDIAN$])
-m4trace:configure.ac:19: -1- AC_DEFINE_TRACE_LITERAL([AC_APPLE_UNIVERSAL_BUILD])
-m4trace:configure.ac:19: -1- m4_pattern_allow([^AC_APPLE_UNIVERSAL_BUILD$])
-m4trace:configure.ac:19: -1- AH_OUTPUT([AC_APPLE_UNIVERSAL_BUILD], [/* Define if building universal (internal helper macro) */
+m4trace:configure.ac:20: -1- AC_DEFINE_TRACE_LITERAL([WORDS_BIGENDIAN])
+m4trace:configure.ac:20: -1- m4_pattern_allow([^WORDS_BIGENDIAN$])
+m4trace:configure.ac:20: -1- AC_DEFINE_TRACE_LITERAL([AC_APPLE_UNIVERSAL_BUILD])
+m4trace:configure.ac:20: -1- m4_pattern_allow([^AC_APPLE_UNIVERSAL_BUILD$])
+m4trace:configure.ac:20: -1- AH_OUTPUT([AC_APPLE_UNIVERSAL_BUILD], [/* Define if building universal (internal helper macro) */
 @%:@undef AC_APPLE_UNIVERSAL_BUILD])
-m4trace:configure.ac:20: -1- AH_OUTPUT([HAVE_STDINT_H], [/* Define to 1 if you have the <stdint.h> header file. */
+m4trace:configure.ac:21: -1- AH_OUTPUT([HAVE_STDINT_H], [/* Define to 1 if you have the <stdint.h> header file. */
 @%:@undef HAVE_STDINT_H])
-m4trace:configure.ac:20: -1- AH_OUTPUT([HAVE_STDDEF_H], [/* Define to 1 if you have the <stddef.h> header file. */
+m4trace:configure.ac:21: -1- AH_OUTPUT([HAVE_STDDEF_H], [/* Define to 1 if you have the <stddef.h> header file. */
 @%:@undef HAVE_STDDEF_H])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_CONFIG])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_CONFIG])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CONFIG$])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_CPPFLAGS])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_CPPFLAGS])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CPPFLAGS$])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_CXXFLAGS])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_CXXFLAGS])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CXXFLAGS$])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_LDFLAGS])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_LDFLAGS])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_LDFLAGS$])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_LIBS])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_LIBS])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_LIBS$])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_VERSION])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_VERSION])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_VERSION$])
-m4trace:configure.ac:26: -1- AC_SUBST([GTEST_CONFIG])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([GTEST_CONFIG])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^GTEST_CONFIG$])
-m4trace:configure.ac:26: -1- AC_DEFINE_TRACE_LITERAL([HAVE_GTEST])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST$])
-m4trace:configure.ac:26: -1- AH_OUTPUT([HAVE_GTEST], [/* Defined when Google Test is available. */
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_CONFIG])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_CONFIG])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CONFIG$])
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_CPPFLAGS])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_CPPFLAGS])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CPPFLAGS$])
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_CXXFLAGS])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_CXXFLAGS])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CXXFLAGS$])
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_LDFLAGS])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_LDFLAGS])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_LDFLAGS$])
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_LIBS])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_LIBS])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_LIBS$])
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_VERSION])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_VERSION])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_VERSION$])
+m4trace:configure.ac:27: -1- AC_SUBST([GTEST_CONFIG])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([GTEST_CONFIG])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^GTEST_CONFIG$])
+m4trace:configure.ac:27: -1- AC_DEFINE_TRACE_LITERAL([HAVE_GTEST])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST$])
+m4trace:configure.ac:27: -1- AH_OUTPUT([HAVE_GTEST], [/* Defined when Google Test is available. */
 @%:@undef HAVE_GTEST])
-m4trace:configure.ac:26: -1- AC_SUBST([HAVE_GTEST])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([HAVE_GTEST])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST$])
-m4trace:configure.ac:26: -1- AM_CONDITIONAL([HAVE_GTEST], [test "x$HAVE_GTEST" = "xyes"])
-m4trace:configure.ac:26: -1- AC_SUBST([HAVE_GTEST_TRUE])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([HAVE_GTEST_TRUE])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST_TRUE$])
-m4trace:configure.ac:26: -1- AC_SUBST([HAVE_GTEST_FALSE])
-m4trace:configure.ac:26: -1- AC_SUBST_TRACE([HAVE_GTEST_FALSE])
-m4trace:configure.ac:26: -1- m4_pattern_allow([^HAVE_GTEST_FALSE$])
-m4trace:configure.ac:26: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_TRUE])
-m4trace:configure.ac:26: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_FALSE])
-m4trace:configure.ac:36: -1- m4_pattern_forbid([^_?PKG_[A-Z_]+$])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
-m4trace:configure.ac:36: -1- AC_SUBST([PKG_CONFIG])
-m4trace:configure.ac:36: -1- AC_SUBST_TRACE([PKG_CONFIG])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^PKG_CONFIG$])
-m4trace:configure.ac:36: -1- AC_SUBST([PKG_CONFIG])
-m4trace:configure.ac:36: -1- AC_SUBST_TRACE([PKG_CONFIG])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^PKG_CONFIG$])
-m4trace:configure.ac:36: -1- AC_SUBST([gflags_CFLAGS])
-m4trace:configure.ac:36: -1- AC_SUBST_TRACE([gflags_CFLAGS])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^gflags_CFLAGS$])
-m4trace:configure.ac:36: -1- AC_SUBST([gflags_LIBS])
-m4trace:configure.ac:36: -1- AC_SUBST_TRACE([gflags_LIBS])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^gflags_LIBS$])
-m4trace:configure.ac:36: -1- AC_DEFINE_TRACE_LITERAL([HAVE_GFLAGS])
-m4trace:configure.ac:36: -1- m4_pattern_allow([^HAVE_GFLAGS$])
-m4trace:configure.ac:36: -1- AH_OUTPUT([HAVE_GFLAGS], [/* Use the gflags package for command-line parsing. */
+m4trace:configure.ac:27: -1- AC_SUBST([HAVE_GTEST])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([HAVE_GTEST])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST$])
+m4trace:configure.ac:27: -1- AM_CONDITIONAL([HAVE_GTEST], [test "x$HAVE_GTEST" = "xyes"])
+m4trace:configure.ac:27: -1- AC_SUBST([HAVE_GTEST_TRUE])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([HAVE_GTEST_TRUE])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST_TRUE$])
+m4trace:configure.ac:27: -1- AC_SUBST([HAVE_GTEST_FALSE])
+m4trace:configure.ac:27: -1- AC_SUBST_TRACE([HAVE_GTEST_FALSE])
+m4trace:configure.ac:27: -1- m4_pattern_allow([^HAVE_GTEST_FALSE$])
+m4trace:configure.ac:27: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_TRUE])
+m4trace:configure.ac:27: -1- _AM_SUBST_NOTMAKE([HAVE_GTEST_FALSE])
+m4trace:configure.ac:37: -1- m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+m4trace:configure.ac:37: -1- AC_SUBST([PKG_CONFIG])
+m4trace:configure.ac:37: -1- AC_SUBST_TRACE([PKG_CONFIG])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^PKG_CONFIG$])
+m4trace:configure.ac:37: -1- AC_SUBST([PKG_CONFIG])
+m4trace:configure.ac:37: -1- AC_SUBST_TRACE([PKG_CONFIG])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^PKG_CONFIG$])
+m4trace:configure.ac:37: -1- AC_SUBST([gflags_CFLAGS])
+m4trace:configure.ac:37: -1- AC_SUBST_TRACE([gflags_CFLAGS])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^gflags_CFLAGS$])
+m4trace:configure.ac:37: -1- AC_SUBST([gflags_LIBS])
+m4trace:configure.ac:37: -1- AC_SUBST_TRACE([gflags_LIBS])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^gflags_LIBS$])
+m4trace:configure.ac:37: -1- AC_DEFINE_TRACE_LITERAL([HAVE_GFLAGS])
+m4trace:configure.ac:37: -1- m4_pattern_allow([^HAVE_GFLAGS$])
+m4trace:configure.ac:37: -1- AH_OUTPUT([HAVE_GFLAGS], [/* Use the gflags package for command-line parsing. */
 @%:@undef HAVE_GFLAGS])
-m4trace:configure.ac:49: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
+m4trace:configure.ac:50: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
 You should run autoupdate.], [../../lib/autoconf/general.m4:2581: AC_TRY_COMPILE is expanded from...
-configure.ac:49: the top level])
-m4trace:configure.ac:59: -1- AC_DEFINE_TRACE_LITERAL([HAVE_BUILTIN_EXPECT])
-m4trace:configure.ac:59: -1- m4_pattern_allow([^HAVE_BUILTIN_EXPECT$])
-m4trace:configure.ac:59: -1- AH_OUTPUT([HAVE_BUILTIN_EXPECT], [/* Define to 1 if the compiler supports __builtin_expect. */
+configure.ac:50: the top level])
+m4trace:configure.ac:60: -1- AC_DEFINE_TRACE_LITERAL([HAVE_BUILTIN_EXPECT])
+m4trace:configure.ac:60: -1- m4_pattern_allow([^HAVE_BUILTIN_EXPECT$])
+m4trace:configure.ac:60: -1- AH_OUTPUT([HAVE_BUILTIN_EXPECT], [/* Define to 1 if the compiler supports __builtin_expect. */
 @%:@undef HAVE_BUILTIN_EXPECT])
-m4trace:configure.ac:66: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
+m4trace:configure.ac:67: -1- _m4_warn([obsolete], [The macro `AC_TRY_COMPILE' is obsolete.
 You should run autoupdate.], [../../lib/autoconf/general.m4:2581: AC_TRY_COMPILE is expanded from...
-configure.ac:66: the top level])
-m4trace:configure.ac:76: -1- AC_DEFINE_TRACE_LITERAL([HAVE_BUILTIN_CTZ])
-m4trace:configure.ac:76: -1- m4_pattern_allow([^HAVE_BUILTIN_CTZ$])
-m4trace:configure.ac:76: -1- AH_OUTPUT([HAVE_BUILTIN_CTZ], [/* Define to 1 if the compiler supports __builtin_ctz and friends. */
+configure.ac:67: the top level])
+m4trace:configure.ac:77: -1- AC_DEFINE_TRACE_LITERAL([HAVE_BUILTIN_CTZ])
+m4trace:configure.ac:77: -1- m4_pattern_allow([^HAVE_BUILTIN_CTZ$])
+m4trace:configure.ac:77: -1- AH_OUTPUT([HAVE_BUILTIN_CTZ], [/* Define to 1 if the compiler supports __builtin_ctz and friends. */
 @%:@undef HAVE_BUILTIN_CTZ])
-m4trace:configure.ac:81: -1- AH_OUTPUT([HAVE_LIBZ], [/* Define to 1 if you have the `z\' library (-lz). */
+m4trace:configure.ac:82: -1- AH_OUTPUT([HAVE_LIBZ], [/* Define to 1 if you have the `z\' library (-lz). */
 @%:@undef HAVE_LIBZ])
-m4trace:configure.ac:81: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBZ])
-m4trace:configure.ac:81: -1- m4_pattern_allow([^HAVE_LIBZ$])
-m4trace:configure.ac:82: -1- AH_OUTPUT([HAVE_LIBLZO2], [/* Define to 1 if you have the `lzo2\' library (-llzo2). */
+m4trace:configure.ac:82: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBZ])
+m4trace:configure.ac:82: -1- m4_pattern_allow([^HAVE_LIBZ$])
+m4trace:configure.ac:83: -1- AH_OUTPUT([HAVE_LIBLZO2], [/* Define to 1 if you have the `lzo2\' library (-llzo2). */
 @%:@undef HAVE_LIBLZO2])
-m4trace:configure.ac:82: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBLZO2])
-m4trace:configure.ac:82: -1- m4_pattern_allow([^HAVE_LIBLZO2$])
-m4trace:configure.ac:83: -1- AH_OUTPUT([HAVE_LIBLZF], [/* Define to 1 if you have the `lzf\' library (-llzf). */
+m4trace:configure.ac:83: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBLZO2])
+m4trace:configure.ac:83: -1- m4_pattern_allow([^HAVE_LIBLZO2$])
+m4trace:configure.ac:84: -1- AH_OUTPUT([HAVE_LIBLZF], [/* Define to 1 if you have the `lzf\' library (-llzf). */
 @%:@undef HAVE_LIBLZF])
-m4trace:configure.ac:83: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBLZF])
-m4trace:configure.ac:83: -1- m4_pattern_allow([^HAVE_LIBLZF$])
-m4trace:configure.ac:84: -1- AH_OUTPUT([HAVE_LIBFASTLZ], [/* Define to 1 if you have the `fastlz\' library (-lfastlz). */
+m4trace:configure.ac:84: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBLZF])
+m4trace:configure.ac:84: -1- m4_pattern_allow([^HAVE_LIBLZF$])
+m4trace:configure.ac:85: -1- AH_OUTPUT([HAVE_LIBFASTLZ], [/* Define to 1 if you have the `fastlz\' library (-lfastlz). */
 @%:@undef HAVE_LIBFASTLZ])
-m4trace:configure.ac:84: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBFASTLZ])
-m4trace:configure.ac:84: -1- m4_pattern_allow([^HAVE_LIBFASTLZ$])
-m4trace:configure.ac:85: -1- AH_OUTPUT([HAVE_LIBQUICKLZ], [/* Define to 1 if you have the `quicklz\' library (-lquicklz). */
+m4trace:configure.ac:85: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBFASTLZ])
+m4trace:configure.ac:85: -1- m4_pattern_allow([^HAVE_LIBFASTLZ$])
+m4trace:configure.ac:86: -1- AH_OUTPUT([HAVE_LIBQUICKLZ], [/* Define to 1 if you have the `quicklz\' library (-lquicklz). */
 @%:@undef HAVE_LIBQUICKLZ])
-m4trace:configure.ac:85: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBQUICKLZ])
-m4trace:configure.ac:85: -1- m4_pattern_allow([^HAVE_LIBQUICKLZ$])
-m4trace:configure.ac:89: -1- AC_SUBST([ac_cv_have_stdint_h], [1])
-m4trace:configure.ac:89: -1- AC_SUBST_TRACE([ac_cv_have_stdint_h])
-m4trace:configure.ac:89: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
-m4trace:configure.ac:91: -1- AC_SUBST([ac_cv_have_stdint_h], [0])
-m4trace:configure.ac:91: -1- AC_SUBST_TRACE([ac_cv_have_stdint_h])
-m4trace:configure.ac:91: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
-m4trace:configure.ac:94: -1- AC_SUBST([ac_cv_have_stddef_h], [1])
-m4trace:configure.ac:94: -1- AC_SUBST_TRACE([ac_cv_have_stddef_h])
-m4trace:configure.ac:94: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
-m4trace:configure.ac:96: -1- AC_SUBST([ac_cv_have_stddef_h], [0])
-m4trace:configure.ac:96: -1- AC_SUBST_TRACE([ac_cv_have_stddef_h])
-m4trace:configure.ac:96: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
-m4trace:configure.ac:104: -1- AC_SUBST([SNAPPY_MAJOR])
-m4trace:configure.ac:104: -1- AC_SUBST_TRACE([SNAPPY_MAJOR])
-m4trace:configure.ac:104: -1- m4_pattern_allow([^SNAPPY_MAJOR$])
-m4trace:configure.ac:105: -1- AC_SUBST([SNAPPY_MINOR])
-m4trace:configure.ac:105: -1- AC_SUBST_TRACE([SNAPPY_MINOR])
-m4trace:configure.ac:105: -1- m4_pattern_allow([^SNAPPY_MINOR$])
-m4trace:configure.ac:106: -1- AC_SUBST([SNAPPY_PATCHLEVEL])
-m4trace:configure.ac:106: -1- AC_SUBST_TRACE([SNAPPY_PATCHLEVEL])
-m4trace:configure.ac:106: -1- m4_pattern_allow([^SNAPPY_PATCHLEVEL$])
-m4trace:configure.ac:107: -1- AC_SUBST([SNAPPY_LTVERSION], [1:0:0])
-m4trace:configure.ac:107: -1- AC_SUBST_TRACE([SNAPPY_LTVERSION])
-m4trace:configure.ac:107: -1- m4_pattern_allow([^SNAPPY_LTVERSION$])
-m4trace:configure.ac:109: -1- AC_CONFIG_HEADERS([config.h])
-m4trace:configure.ac:110: -1- AC_CONFIG_FILES([Makefile snappy-stubs-public.h])
-m4trace:configure.ac:111: -1- AC_SUBST([LIB@&t@OBJS], [$ac_libobjs])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([LIB@&t@OBJS])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^LIB@&t@OBJS$])
-m4trace:configure.ac:111: -1- AC_SUBST([LTLIBOBJS], [$ac_ltlibobjs])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([LTLIBOBJS])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^LTLIBOBJS$])
-m4trace:configure.ac:111: -1- AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])
-m4trace:configure.ac:111: -1- AC_SUBST([am__EXEEXT_TRUE])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([am__EXEEXT_TRUE])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^am__EXEEXT_TRUE$])
-m4trace:configure.ac:111: -1- AC_SUBST([am__EXEEXT_FALSE])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([am__EXEEXT_FALSE])
-m4trace:configure.ac:111: -1- m4_pattern_allow([^am__EXEEXT_FALSE$])
-m4trace:configure.ac:111: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_TRUE])
-m4trace:configure.ac:111: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_FALSE])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([top_builddir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([top_build_prefix])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([srcdir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([abs_srcdir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([top_srcdir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([abs_top_srcdir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([builddir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([abs_builddir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([abs_top_builddir])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([INSTALL])
-m4trace:configure.ac:111: -1- AC_SUBST_TRACE([MKDIR_P])
-m4trace:configure.ac:111: -1- AC_REQUIRE_AUX_FILE([ltmain.sh])
+m4trace:configure.ac:86: -1- AC_DEFINE_TRACE_LITERAL([HAVE_LIBQUICKLZ])
+m4trace:configure.ac:86: -1- m4_pattern_allow([^HAVE_LIBQUICKLZ$])
+m4trace:configure.ac:90: -1- AC_SUBST([ac_cv_have_stdint_h], [1])
+m4trace:configure.ac:90: -1- AC_SUBST_TRACE([ac_cv_have_stdint_h])
+m4trace:configure.ac:90: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
+m4trace:configure.ac:92: -1- AC_SUBST([ac_cv_have_stdint_h], [0])
+m4trace:configure.ac:92: -1- AC_SUBST_TRACE([ac_cv_have_stdint_h])
+m4trace:configure.ac:92: -1- m4_pattern_allow([^ac_cv_have_stdint_h$])
+m4trace:configure.ac:95: -1- AC_SUBST([ac_cv_have_stddef_h], [1])
+m4trace:configure.ac:95: -1- AC_SUBST_TRACE([ac_cv_have_stddef_h])
+m4trace:configure.ac:95: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
+m4trace:configure.ac:97: -1- AC_SUBST([ac_cv_have_stddef_h], [0])
+m4trace:configure.ac:97: -1- AC_SUBST_TRACE([ac_cv_have_stddef_h])
+m4trace:configure.ac:97: -1- m4_pattern_allow([^ac_cv_have_stddef_h$])
+m4trace:configure.ac:105: -1- AC_SUBST([SNAPPY_MAJOR])
+m4trace:configure.ac:105: -1- AC_SUBST_TRACE([SNAPPY_MAJOR])
+m4trace:configure.ac:105: -1- m4_pattern_allow([^SNAPPY_MAJOR$])
+m4trace:configure.ac:106: -1- AC_SUBST([SNAPPY_MINOR])
+m4trace:configure.ac:106: -1- AC_SUBST_TRACE([SNAPPY_MINOR])
+m4trace:configure.ac:106: -1- m4_pattern_allow([^SNAPPY_MINOR$])
+m4trace:configure.ac:107: -1- AC_SUBST([SNAPPY_PATCHLEVEL])
+m4trace:configure.ac:107: -1- AC_SUBST_TRACE([SNAPPY_PATCHLEVEL])
+m4trace:configure.ac:107: -1- m4_pattern_allow([^SNAPPY_PATCHLEVEL$])
+m4trace:configure.ac:108: -1- AC_SUBST([SNAPPY_LTVERSION], [1:0:0])
+m4trace:configure.ac:108: -1- AC_SUBST_TRACE([SNAPPY_LTVERSION])
+m4trace:configure.ac:108: -1- m4_pattern_allow([^SNAPPY_LTVERSION$])
+m4trace:configure.ac:110: -1- AC_CONFIG_HEADERS([config.h])
+m4trace:configure.ac:111: -1- AC_CONFIG_FILES([Makefile snappy-stubs-public.h])
+m4trace:configure.ac:112: -1- AC_SUBST([LIB@&t@OBJS], [$ac_libobjs])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([LIB@&t@OBJS])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^LIB@&t@OBJS$])
+m4trace:configure.ac:112: -1- AC_SUBST([LTLIBOBJS], [$ac_ltlibobjs])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([LTLIBOBJS])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^LTLIBOBJS$])
+m4trace:configure.ac:112: -1- AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])
+m4trace:configure.ac:112: -1- AC_SUBST([am__EXEEXT_TRUE])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([am__EXEEXT_TRUE])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^am__EXEEXT_TRUE$])
+m4trace:configure.ac:112: -1- AC_SUBST([am__EXEEXT_FALSE])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([am__EXEEXT_FALSE])
+m4trace:configure.ac:112: -1- m4_pattern_allow([^am__EXEEXT_FALSE$])
+m4trace:configure.ac:112: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_TRUE])
+m4trace:configure.ac:112: -1- _AM_SUBST_NOTMAKE([am__EXEEXT_FALSE])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([top_builddir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([top_build_prefix])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([srcdir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([abs_srcdir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([top_srcdir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([abs_top_srcdir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([builddir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([abs_builddir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([abs_top_builddir])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([INSTALL])
+m4trace:configure.ac:112: -1- AC_SUBST_TRACE([MKDIR_P])
+m4trace:configure.ac:112: -1- AC_REQUIRE_AUX_FILE([ltmain.sh])
diff --git a/configure b/configure
index d6d1e3e..0593197 100755
--- a/configure
+++ b/configure
@@ -768,6 +768,7 @@ CXXDEPMODE
 ac_ct_CXX
 CXXFLAGS
 CXX
+LIBTOOL_DEPS
 CPP
 OTOOL64
 OTOOL
@@ -4747,13 +4748,13 @@ if test "${lt_cv_nm_interface+set}" = set; then :
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:4750: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:4751: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4753: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:4754: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4756: output\"" >&5)
+  (eval echo "\"\$as_me:4757: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -5959,7 +5960,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 5962 "configure"' > conftest.$ac_ext
+  echo '#line 5963 "configure"' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -7485,11 +7486,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7488: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7489: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7492: \$? = $ac_status" >&5
+   echo "$as_me:7493: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7824,11 +7825,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7827: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7828: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7831: \$? = $ac_status" >&5
+   echo "$as_me:7832: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7929,11 +7930,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7932: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7933: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7936: \$? = $ac_status" >&5
+   echo "$as_me:7937: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -7984,11 +7985,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7987: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7988: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7991: \$? = $ac_status" >&5
+   echo "$as_me:7992: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -10368,7 +10369,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10371 "configure"
+#line 10372 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10464,7 +10465,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10467 "configure"
+#line 10468 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10691,6 +10692,7 @@ CC="$lt_save_CC"
 # Only expand once:
 
 
+
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -13350,11 +13352,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13353: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13355: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:13357: \$? = $ac_status" >&5
+   echo "$as_me:13359: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -13449,11 +13451,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13452: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13454: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13456: \$? = $ac_status" >&5
+   echo "$as_me:13458: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -13501,11 +13503,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13504: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13506: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13508: \$? = $ac_status" >&5
+   echo "$as_me:13510: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
diff --git a/configure.ac b/configure.ac
index 73faf82..7081445 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,6 +14,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([-Wall -Werror])
 
 LT_INIT
+AC_SUBST([LIBTOOL_DEPS])
 AC_PROG_CXX
 AC_LANG([C++])
 AC_C_BIGENDIAN