diff --git a/tools/missing-macros/Makefile b/tools/missing-macros/Makefile
index 779dbfa7f3..6553c42945 100644
--- a/tools/missing-macros/Makefile
+++ b/tools/missing-macros/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=missing-macros
-PKG_VERSION:=1
+PKG_VERSION:=2
 
 include $(INCLUDE_DIR)/host-build.mk
 
diff --git a/tools/missing-macros/src/README b/tools/missing-macros/src/README
index ec48a8f5d3..18ba3e39e2 100644
--- a/tools/missing-macros/src/README
+++ b/tools/missing-macros/src/README
@@ -3,8 +3,14 @@ by different packages in the OpenWrt feed.
 
 
 From GNU gettext:
+Library linking and rpath helper macros.
 
   lib-ld.m4
   lib-link.m4
   lib-prefix.m4
 
+
+From UCL and LZO:
+Compiler ACC conformance testing macros.
+
+  acc.m4
diff --git a/tools/missing-macros/src/m4/acc.m4 b/tools/missing-macros/src/m4/acc.m4
new file mode 100644
index 0000000000..f7d6d167d1
--- /dev/null
+++ b/tools/missing-macros/src/m4/acc.m4
@@ -0,0 +1,361 @@
+# /***********************************************************************
+# // standard ACC macros
+# ************************************************************************/
+
+AC_DEFUN([mfx_ACC_CHECK_ENDIAN], [
+AC_C_BIGENDIAN([AC_DEFINE(ACC_ABI_BIG_ENDIAN,1,[Define to 1 if your machine is big endian.])],[AC_DEFINE(ACC_ABI_LITTLE_ENDIAN,1,[Define to 1 if your machine is little endian.])])
+])#
+
+AC_DEFUN([mfx_ACC_CHECK_HEADERS], [
+AC_HEADER_TIME
+AC_CHECK_HEADERS([assert.h ctype.h dirent.h errno.h fcntl.h float.h limits.h malloc.h memory.h setjmp.h signal.h stdarg.h stddef.h stdint.h stdio.h stdlib.h string.h strings.h time.h unistd.h utime.h sys/mman.h sys/resource.h sys/stat.h sys/time.h sys/types.h sys/wait.h])
+])#
+
+AC_DEFUN([mfx_ACC_CHECK_FUNCS], [
+AC_CHECK_FUNCS(access alloca atexit atoi atol chmod chown clock_getcpuclockid clock_getres clock_gettime ctime difftime fstat getenv getpagesize getrusage gettimeofday gmtime isatty localtime longjmp lstat memcmp memcpy memmove memset mkdir mktime mmap mprotect munmap qsort raise rmdir setjmp signal snprintf strcasecmp strchr strdup strerror strftime stricmp strncasecmp strnicmp strrchr strstr time umask utime vsnprintf)
+])#
+
+
+AC_DEFUN([mfx_ACC_CHECK_SIZEOF], [
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+
+AC_CHECK_SIZEOF(long long)
+AC_CHECK_SIZEOF(__int16)
+AC_CHECK_SIZEOF(__int32)
+AC_CHECK_SIZEOF(__int64)
+
+AC_CHECK_SIZEOF(void *)
+AC_CHECK_SIZEOF(char *)
+AC_CHECK_SIZEOF(size_t)
+AC_CHECK_SIZEOF(ptrdiff_t)
+])#
+
+
+# /***********************************************************************
+# // Check for ACC_conformance
+# ************************************************************************/
+
+AC_DEFUN([mfx_ACC_ACCCHK], [
+mfx_tmp=$1
+mfx_save_CPPFLAGS=$CPPFLAGS
+dnl in Makefile.in $(INCLUDES) will be before $(CPPFLAGS), so we mimic this here
+test "X$mfx_tmp" = "X" || CPPFLAGS="$mfx_tmp $CPPFLAGS"
+
+AC_MSG_CHECKING([whether your compiler passes the ACC conformance test])
+
+AC_LANG_CONFTEST([AC_LANG_PROGRAM(
+[[#define ACC_CONFIG_NO_HEADER 1
+#include "acc/acc.h"
+#include "acc/acc_incd.h"
+#undef ACCCHK_ASSERT
+#define ACCCHK_ASSERT(expr)     ACC_COMPILE_TIME_ASSERT_HEADER(expr)
+#include "acc/acc_chk.ch"
+#undef ACCCHK_ASSERT
+static void test_acc_compile_time_assert(void) {
+#define ACCCHK_ASSERT(expr)     ACC_COMPILE_TIME_ASSERT(expr)
+#include "acc/acc_chk.ch"
+#undef ACCCHK_ASSERT
+}
+#undef NDEBUG
+#include <assert.h>
+static int test_acc_run_time_assert(int r) {
+#define ACCCHK_ASSERT(expr)     assert(expr);
+#include "acc/acc_chk.ch"
+#undef ACCCHK_ASSERT
+return r;
+}
+]], [[
+test_acc_compile_time_assert();
+if (test_acc_run_time_assert(1) != 1) return 1;
+]]
+)])
+
+mfx_tmp=FAILED
+_AC_COMPILE_IFELSE([], [mfx_tmp=yes])
+rm -f conftest.$ac_ext conftest.$ac_objext
+
+CPPFLAGS=$mfx_save_CPPFLAGS
+
+AC_MSG_RESULT([$mfx_tmp])
+case x$mfx_tmp in
+  xpassed | xyes) ;;
+  *)
+    AC_MSG_NOTICE([])
+    AC_MSG_NOTICE([Your compiler failed the ACC conformance test - for details see ])
+    AC_MSG_NOTICE([`config.log'. Please check that log file and consider sending])
+    AC_MSG_NOTICE([a patch or bug-report to <${PACKAGE_BUGREPORT}>.])
+    AC_MSG_NOTICE([Thanks for your support.])
+    AC_MSG_NOTICE([])
+    AC_MSG_ERROR([ACC conformance test failed. Stop.])
+dnl    AS_EXIT
+    ;;
+esac
+])# mfx_ACC_ACCCHK
+
+
+# /***********************************************************************
+# // Check for ACC_conformance
+# ************************************************************************/
+
+AC_DEFUN([mfx_MINIACC_ACCCHK], [
+mfx_tmp=$1
+mfx_save_CPPFLAGS=$CPPFLAGS
+dnl in Makefile.in $(INCLUDES) will be before $(CPPFLAGS), so we mimic this here
+test "X$mfx_tmp" = "X" || CPPFLAGS="$mfx_tmp $CPPFLAGS"
+
+AC_MSG_CHECKING([whether your compiler passes the ACC conformance test])
+
+AC_LANG_CONFTEST([AC_LANG_PROGRAM(
+[[#define ACC_CONFIG_NO_HEADER 1
+#define ACC_WANT_ACC_INCD_H 1
+#include $2
+
+#define ACC_WANT_ACC_CHK_CH 1
+#undef ACCCHK_ASSERT
+#define ACCCHK_ASSERT(expr)     ACC_COMPILE_TIME_ASSERT_HEADER(expr)
+#include $2
+
+#define ACC_WANT_ACC_CHK_CH 1
+#undef ACCCHK_ASSERT
+#define ACCCHK_ASSERT(expr)     ACC_COMPILE_TIME_ASSERT(expr)
+static void test_acc_compile_time_assert(void) {
+#include $2
+}
+
+#undef NDEBUG
+#include <assert.h>
+#define ACC_WANT_ACC_CHK_CH 1
+#undef ACCCHK_ASSERT
+#define ACCCHK_ASSERT(expr)  assert(expr);
+static int test_acc_run_time_assert(int r) {
+#include $2
+return r;
+}
+]], [[
+test_acc_compile_time_assert();
+if (test_acc_run_time_assert(1) != 1) return 1;
+]]
+)])
+
+mfx_tmp=FAILED
+_AC_COMPILE_IFELSE([], [mfx_tmp=yes])
+rm -f conftest.$ac_ext conftest.$ac_objext
+
+CPPFLAGS=$mfx_save_CPPFLAGS
+
+AC_MSG_RESULT([$mfx_tmp])
+case x$mfx_tmp in
+  xpassed | xyes) ;;
+  *)
+    AC_MSG_NOTICE([])
+    AC_MSG_NOTICE([Your compiler failed the ACC conformance test - for details see ])
+    AC_MSG_NOTICE([`config.log'. Please check that log file and consider sending])
+    AC_MSG_NOTICE([a patch or bug-report to <${PACKAGE_BUGREPORT}>.])
+    AC_MSG_NOTICE([Thanks for your support.])
+    AC_MSG_NOTICE([])
+    AC_MSG_ERROR([ACC conformance test failed. Stop.])
+dnl    AS_EXIT
+    ;;
+esac
+])# mfx_MINIACC_ACCCHK
+
+
+
+# serial 1
+
+AC_DEFUN([mfx_PROG_CPPFLAGS], [
+AC_MSG_CHECKING([whether the C preprocessor needs special flags])
+
+AC_LANG_CONFTEST([AC_LANG_PROGRAM(
+[[#include <limits.h>
+#if (32767 >= 4294967295ul) || (65535u >= 4294967295ul)
+#  include "your C preprocessor is broken 1"
+#elif (0xffffu == 0xfffffffful)
+#  include "your C preprocessor is broken 2"
+#elif (32767 >= ULONG_MAX) || (65535u >= ULONG_MAX)
+#  include "your C preprocessor is broken 3"
+#endif
+]], [[ ]]
+)])
+
+mfx_save_CPPFLAGS=$CPPFLAGS
+mfx_tmp=ERROR
+for mfx_arg in "" -no-cpp-precomp
+do
+  CPPFLAGS="$mfx_arg $mfx_save_CPPFLAGS"
+  _AC_COMPILE_IFELSE([],
+[mfx_tmp=$mfx_arg
+break])
+done
+CPPFLAGS=$mfx_save_CPPFLAGS
+rm -f conftest.$ac_ext conftest.$ac_objext
+case x$mfx_tmp in
+  x)
+    AC_MSG_RESULT([none needed]) ;;
+  xERROR)
+    AC_MSG_RESULT([ERROR])
+    AC_MSG_ERROR([your C preprocessor is broken - for details see config.log])
+    ;;
+  *)
+    AC_MSG_RESULT([$mfx_tmp])
+    CPPFLAGS="$mfx_tmp $CPPFLAGS"
+    ;;
+esac
+])# mfx_PROG_CPPFLAGS
+
+# serial 3
+
+AC_DEFUN([mfx_CHECK_HEADER_SANE_LIMITS_H], [
+AC_CACHE_CHECK([whether limits.h is sane],
+mfx_cv_header_sane_limits_h,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits.h>
+#if (32767 >= 4294967295ul) || (65535u >= 4294967295ul)
+#  if defined(__APPLE__) && defined(__GNUC__)
+#    error "your preprocessor is broken - use compiler option -no-cpp-precomp"
+#  else
+#    include "your preprocessor is broken"
+#  endif
+#endif
+#define MFX_0xffff          0xffff
+#define MFX_0xffffffffL     4294967295ul
+#if !defined(CHAR_BIT) || (CHAR_BIT != 8)
+#  include "error CHAR_BIT"
+#endif
+#if !defined(UCHAR_MAX)
+#  include "error UCHAR_MAX 1"
+#endif
+#if !defined(USHRT_MAX)
+#  include "error USHRT_MAX 1"
+#endif
+#if !defined(UINT_MAX)
+#  include "error UINT_MAX 1"
+#endif
+#if !defined(ULONG_MAX)
+#  include "error ULONG_MAX 1"
+#endif
+#if !defined(SHRT_MAX)
+#  include "error SHRT_MAX 1"
+#endif
+#if !defined(INT_MAX)
+#  include "error INT_MAX 1"
+#endif
+#if !defined(LONG_MAX)
+#  include "error LONG_MAX 1"
+#endif
+#if (UCHAR_MAX < 1)
+#  include "error UCHAR_MAX 2"
+#endif
+#if (USHRT_MAX < 1)
+#  include "error USHRT_MAX 2"
+#endif
+#if (UINT_MAX < 1)
+#  include "error UINT_MAX 2"
+#endif
+#if (ULONG_MAX < 1)
+#  include "error ULONG_MAX 2"
+#endif
+#if (UCHAR_MAX < 0xff)
+#  include "error UCHAR_MAX 3"
+#endif
+#if (USHRT_MAX < MFX_0xffff)
+#  include "error USHRT_MAX 3"
+#endif
+#if (UINT_MAX < MFX_0xffff)
+#  include "error UINT_MAX 3"
+#endif
+#if (ULONG_MAX < MFX_0xffffffffL)
+#  include "error ULONG_MAX 3"
+#endif
+#if (USHRT_MAX > UINT_MAX)
+#  include "error USHRT_MAX vs UINT_MAX"
+#endif
+#if (UINT_MAX > ULONG_MAX)
+#  include "error UINT_MAX vs ULONG_MAX"
+#endif
+]], [[
+#if (USHRT_MAX == MFX_0xffff)
+{ typedef char a_short2a[1 - 2 * !(sizeof(short) == 2)]; }
+#elif (USHRT_MAX >= MFX_0xffff)
+{ typedef char a_short2b[1 - 2 * !(sizeof(short) > 2)]; }
+#endif
+#if (UINT_MAX == MFX_0xffff)
+{ typedef char a_int2a[1 - 2 * !(sizeof(int) == 2)]; }
+#elif (UINT_MAX >= MFX_0xffff)
+{ typedef char a_int2b[1 - 2 * !(sizeof(int) > 2)]; }
+#endif
+#if (ULONG_MAX == MFX_0xffff)
+{ typedef char a_long2a[1 - 2 * !(sizeof(long) == 2)]; }
+#elif (ULONG_MAX >= MFX_0xffff)
+{ typedef char a_long2b[1 - 2 * !(sizeof(long) > 2)]; }
+#endif
+#if !defined(_CRAY1) /* CRAY PVP systems */
+#if (USHRT_MAX == MFX_0xffffffffL)
+{ typedef char a_short4a[1 - 2 * !(sizeof(short) == 4)]; }
+#elif (USHRT_MAX >= MFX_0xffffffffL)
+{ typedef char a_short4b[1 - 2 * !(sizeof(short) > 4)]; }
+#endif
+#endif /* _CRAY1 */
+#if (UINT_MAX == MFX_0xffffffffL)
+{ typedef char a_int4a[1 - 2 * !(sizeof(int) == 4)]; }
+#elif (UINT_MAX >= MFX_0xffffffffL)
+{ typedef char a_int4b[1 - 2 * !(sizeof(int) > 4)]; }
+#endif
+#if (ULONG_MAX == MFX_0xffffffffL)
+{ typedef char a_long4a[1 - 2 * !(sizeof(long) == 4)]; }
+#elif (ULONG_MAX >= MFX_0xffffffffL)
+{ typedef char a_long4b[1 - 2 * !(sizeof(long) > 4)]; }
+#endif
+]])],
+[mfx_cv_header_sane_limits_h=yes],
+[mfx_cv_header_sane_limits_h=no])])
+])
+
+# /***********************************************************************
+# // standard
+# ************************************************************************/
+
+AC_DEFUN([mfx_LZO_CHECK_ENDIAN], [
+AC_C_BIGENDIAN([AC_DEFINE(LZO_ABI_BIG_ENDIAN,1,[Define to 1 if your machine is big endian.])],[AC_DEFINE(LZO_ABI_LITTLE_ENDIAN,1,[Define to 1 if your machine is little endian.])])
+])#
+
+
+# /***********************************************************************
+# //
+# ************************************************************************/
+
+dnl more types which are not yet covered by ACC
+
+AC_DEFUN([mfx_CHECK_SIZEOF], [
+AC_CHECK_SIZEOF(__int32)
+AC_CHECK_SIZEOF(intmax_t)
+AC_CHECK_SIZEOF(uintmax_t)
+AC_CHECK_SIZEOF(intptr_t)
+AC_CHECK_SIZEOF(uintptr_t)
+
+AC_CHECK_SIZEOF(float)
+AC_CHECK_SIZEOF(double)
+AC_CHECK_SIZEOF(long double)
+
+AC_CHECK_SIZEOF(dev_t)
+AC_CHECK_SIZEOF(fpos_t)
+AC_CHECK_SIZEOF(mode_t)
+AC_CHECK_SIZEOF(off_t)
+AC_CHECK_SIZEOF(ssize_t)
+AC_CHECK_SIZEOF(time_t)
+])#
+
+
+
+AC_DEFUN([mfx_CHECK_LIB_WINMM], [
+if test "X$GCC" = Xyes; then
+case $host_os in
+cygwin* | mingw* | pw32*)
+     test "X$LIBS" != "X" && LIBS="$LIBS "
+     LIBS="${LIBS}-lwinmm" ;;
+*)
+     ;;
+esac
+fi
+])#