nettle: import from packages, update to 3.0

Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 41248

6 files changed, 1843 insertions, 0 deletions

diff --git a/package/libs/nettle/Config.in b/package/libs/nettle/Config.in
new file mode 100644
index 0000000000..0d4806ab3a
--- /dev/null
+++ b/package/libs/nettle/Config.in
@@ -0,0 +1,9 @@
+# nettle avanced configuration
+
+menu "Configuration"
+	depends on PACKAGE_libnettle
+
+config LIBNETTLE_MINI
+	bool "use mini-gmp instead of gmp; the library will be much smaller at a 10x performance penalty. Note that this option may have side effects to programs that link to both nettle and gmp."
+
+endmenu
diff --git a/package/libs/nettle/Makefile b/package/libs/nettle/Makefile
new file mode 100644
index 0000000000..a5e0eaa79e
--- /dev/null
+++ b/package/libs/nettle/Makefile
@@ -0,0 +1,85 @@
+#
+# Copyright (C) 2014 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=nettle
+PKG_VERSION:=3.0
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=@GNU/nettle
+PKG_MD5SUM:=f64b1bf1e774b7ae6e507318e340250e
+PKG_MAINTAINER:=Nikos Mavrogiannopoulos <nmav@gnutls.org>
+
+PKG_LICENSE:=LGPLv2
+PKG_LICENSE_FILES:=COPYING
+
+PKG_FIXUP:=autoreconf
+PKG_BUILD_PARALLEL:=0
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/libnettle
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=GNU crypto library
+  URL:=http://www.lysator.liu.se/~nisse/nettle/
+  DEPENDS+= +!LIBNETTLE_MINI:libgmp
+endef
+
+define Package/libnettle/config
+	source "$(SOURCE)/Config.in"
+endef
+
+TARGET_CFLAGS += $(FPIC)
+
+CONFIGURE_ARGS += \
+	--enable-shared \
+	--disable-openssl \
+	--disable-documentation \
+	--enable-static
+
+ifeq ($(CONFIG_LIBNETTLE_MINI),y)
+CONFIGURE_ARGS += --enable-mini-gmp
+endif
+
+ifeq ($(CONFIG_CPU_SUBTYPE),neon)
+CONFIGURE_ARGS += \
+	--enable-arm-neon
+endif
+
+define Build/Compile
+	$(call Build/Compile/Default, \
+		DESTDIR="$(PKG_INSTALL_DIR)" \
+		CC="$(TARGET_CC)" \
+		libnettle.so libhogweed.so
+	+$(MAKE) -i $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
+		DESTDIR="$(PKG_INSTALL_DIR)" \
+		install)
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/nettle
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/nettle/*.h $(1)/usr/include/nettle/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libnettle.{a,so*} $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libhogweed.{a,so*} $(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
+	$(CP) \
+		$(PKG_INSTALL_DIR)/usr/lib/pkgconfig/nettle.pc \
+		$(PKG_INSTALL_DIR)/usr/lib/pkgconfig/hogweed.pc \
+		$(1)/usr/lib/pkgconfig/
+endef
+
+define Package/libnettle/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libnettle.so.* $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libhogweed.so.* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,libnettle))
diff --git a/package/libs/nettle/patches/0002-Added-option-to-use-mini-gmp-in-hogweed.patch b/package/libs/nettle/patches/0002-Added-option-to-use-mini-gmp-in-hogweed.patch
new file mode 100644
index 0000000000..56627a10c4
--- /dev/null
+++ b/package/libs/nettle/patches/0002-Added-option-to-use-mini-gmp-in-hogweed.patch
@@ -0,0 +1,403 @@
+From 8d5360e3e5eea3c9dbfd44f9b981f18a41605e45 Mon Sep 17 00:00:00 2001
+From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
+Date: Sun, 9 Mar 2014 11:30:25 +0100
+Subject: [PATCH 2/5] Added option to use mini-gmp in hogweed.
+
+---
+ Makefile.in              |  8 +++--
+ bignum.h                 |  6 +++-
+ configure.ac             | 76 +++++++++++++++++++++++++++++++++++-------------
+ dsa.h                    |  2 +-
+ ecc-internal.h           |  2 +-
+ ecc.h                    |  2 +-
+ eccdata.c                | 12 +++++++-
+ examples/Makefile.in     |  2 +-
+ examples/ecc-benchmark.c |  2 ++
+ gmp-glue.c               |  1 +
+ gmp-glue.h               |  2 +-
+ hogweed.pc.in            |  2 +-
+ mini-gmp.c               |  2 +-
+ mini-gmp.h               |  9 ++++++
+ pkcs1.h                  |  2 +-
+ rsa.h                    |  2 +-
+ testsuite/Makefile.in    |  4 +--
+ testsuite/testutils.h    |  5 ++--
+ 18 files changed, 102 insertions(+), 39 deletions(-)
+
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -15,6 +15,10 @@ MKDIR_P = @MKDIR_P@
+ OPT_ASM_NETTLE_SOURCES = @OPT_ASM_NETTLE_SOURCES@
+ OPT_ASM_HOGWEED_SOURCES = @OPT_ASM_HOGWEED_SOURCES@
+ 
++OPT_HOGWEED_SOURCES = @OPT_HOGWEED_SOURCES@
++
++OPT_HOGWEED_HEADERS = @OPT_HOGWEED_HEADERS@
++
+ SUBDIRS = tools testsuite examples
+ 
+ include config.make
+@@ -132,7 +136,7 @@ nettle_SOURCES = aes-decrypt-internal.c
+ 		 write-be32.c write-le32.c write-le64.c \
+ 		 yarrow256.c yarrow_key_event.c
+ 
+-hogweed_SOURCES = sexp.c sexp-format.c \
++hogweed_SOURCES = $(OPT_HOGWEED_SOURCES) sexp.c sexp-format.c \
+ 		  sexp-transport.c sexp-transport-format.c \
+ 		  bignum.c bignum-random.c bignum-random-prime.c \
+ 		  sexp2bignum.c \
+@@ -183,7 +187,7 @@ HEADERS = aes.h arcfour.h arctwo.h asn1.
+ 	  pgp.h pkcs1.h realloc.h ripemd160.h rsa.h \
+ 	  salsa20.h sexp.h \
+ 	  serpent.h sha.h sha1.h sha2.h sha3.h twofish.h \
+-	  umac.h yarrow.h poly1305.h
++	  umac.h yarrow.h poly1305.h $(OPT_HOGWEED_HEADERS)
+ 
+ INSTALL_HEADERS = $(HEADERS) nettle-stdint.h
+ 
+--- a/bignum.h
++++ b/bignum.h
+@@ -36,7 +36,11 @@
+ 
+ #include "nettle-meta.h"
+ 
+-#include <gmp.h>
++#ifdef USE_MINI_GMP
++# include "mini-gmp.h"
++#else
++# include <gmp.h>
++#endif
+ #include "nettle-types.h"
+ 
+ #ifdef __cplusplus
+--- a/configure.ac
++++ b/configure.ac
+@@ -72,6 +72,16 @@ AC_ARG_ENABLE(arm-neon,
+   AC_HELP_STRING([--enable-arm-neon], [Enable ARM Neon assembly. (default=auto)]),,
+   [enable_arm_neon=auto])
+ 
++AC_ARG_ENABLE(mini-gmp,
++  AC_HELP_STRING([--enable-mini-gmp], [Disable gmp support and enable mini-gmp. (default=disabled)]),,
++  [enable_mini_gmp=no])
++
++if test "x$enable_mini_gmp" = xyes ; then
++GMP_LIBS=""
++else
++GMP_LIBS="-lgmp"
++fi
++
+ LSH_RPATH_INIT([`echo $with_lib_path | sed 's/:/ /g'` \
+     `echo $exec_prefix | sed "s@^NONE@$prefix/lib@g" | sed "s@^NONE@$ac_default_prefix/lib@g"` \
+     /usr/local/lib /sw/local/lib /sw/lib \
+@@ -441,7 +451,7 @@ case "$host_os" in
+     LIBHOGWEED_SONAME='libhogweed.$(LIBHOGWEED_MAJOR).dylib'
+     LIBHOGWEED_FILE='libhogweed.$(LIBHOGWEED_MAJOR).$(LIBHOGWEED_MINOR).dylib'
+     LIBHOGWEED_LINK='$(CC) $(CFLAGS) -dynamiclib -L. $(LDFLAGS) -install_name ${libdir}/$(LIBHOGWEED_SONAME) -compatibility_version $(LIBHOGWEED_MAJOR) -current_version $(LIBHOGWEED_MAJOR).$(LIBHOGWEED_MINOR)'
+-    LIBHOGWEED_LIBS='-lnettle -lgmp'
++    LIBHOGWEED_LIBS='-lnettle $(GMP_LIBS)'
+     ;;
+   solaris*)
+     # Sun's ld uses -h to set the soname, and this option is passed
+@@ -457,7 +467,7 @@ case "$host_os" in
+     LIBHOGWEED_SONAME='$(LIBHOGWEED_FORLINK).$(LIBHOGWEED_MAJOR)'
+     LIBHOGWEED_FILE='$(LIBHOGWEED_SONAME).$(LIBHOGWEED_MINOR)'
+     LIBHOGWEED_LINK='$(CC) $(CFLAGS) $(LDFLAGS) -G -h $(LIBHOGWEED_SONAME)'
+-    LIBHOGWEED_LIBS='libnettle.so -lgmp'
++    LIBHOGWEED_LIBS='libnettle.so $(GMP_LIBS)'
+     ;;
+   *)
+     LIBNETTLE_FORLINK=libnettle.so
+@@ -474,7 +484,7 @@ case "$host_os" in
+     # (does not work in general, e.g., with static linking all of
+     # -lhogweed -lgmp -lnettle are still required). Also makes dlopen
+     # of libhogweed.so work, without having to use RTLD_GLOBAL.
+-    LIBHOGWEED_LIBS='libnettle.so -lgmp'
++    LIBHOGWEED_LIBS='libnettle.so $(GMP_LIBS)'
+     ;;
+ esac
+ 
+@@ -692,7 +702,18 @@ if test "x$nettle_cv_fcntl_locking" = "x
+ fi
+ 
+ # Checks for libraries
++TESTSUITE_LIBS=""
++
++OPT_HOGWEED_SOURCES=""
++OPT_HOGWEED_HEADERS=""
+ if test "x$enable_public_key" = "xyes" ; then
++if test "x$enable_mini_gmp" = xyes ; then
++  OPT_HOGWEED_SOURCES="$OPT_HOGWEED_SOURCES mini-gmp.c"
++  OPT_HOGWEED_HEADERS="$OPT_HOGWEED_HEADERS mini-gmp.h"
++  AC_DEFINE([USE_MINI_GMP], 1, [Use mini-gmp instead of gmp])
++  IF_NOT_MINI_GMP='#'
++  GMP_NUMB_BITS="0"  
++else
+   AC_CHECK_LIB(gmp, __gmpz_getlimbn,,
+       [AC_MSG_WARN(
+   [GNU MP not found, or not 3.1 or up, see http://gmplib.org/.
+@@ -701,9 +722,7 @@ if test "x$enable_public_key" = "xyes" ;
+ 
+   # Add -R flags needed to run programs linked with gmp
+   LSH_RPATH_FIX
+-fi
+ 
+-if test "x$enable_public_key" = "xyes" ; then
+   # Check for gmp limb size
+   nettle_cv_gmp_numb_bits=0
+   if test "$enable_public_key" = yes; then
+@@ -714,12 +733,23 @@ if test "x$enable_public_key" = "xyes" ;
+   
+     AC_MSG_RESULT([$nettle_cv_gmp_numb_bits bits])
+   fi
++
+   
+   GMP_NUMB_BITS="$nettle_cv_gmp_numb_bits"
+   AC_SUBST([GMP_NUMB_BITS])
+   
+   AH_TEMPLATE([HAVE_MPZ_POWM_SEC], [Define if mpz_powm_sec is available (appeared in GMP-5)])
+   AC_CHECK_FUNC(__gmpz_powm_sec, [AC_DEFINE(HAVE_MPZ_POWM_SEC)])
++  IF_NOT_MINI_GMP=''
++  TESTSUITE_LIBS="-lgmp"
++fi
++  AC_SUBST([GMP_LIBS])
++dnl The testsuite requires gmp
++AC_SUBST([TESTSUITE_LIBS])
++AC_SUBST([GMP_NUMB_BITS])
++AC_SUBST([OPT_HOGWEED_SOURCES])
++AC_SUBST([OPT_HOGWEED_HEADERS])
++
+ fi
+ 
+ AH_TEMPLATE([WITH_HOGWEED], [Defined if public key features are enabled])
+@@ -765,6 +795,7 @@ else
+   IF_DOCUMENTATION='#'
+ fi
+ 
++AC_SUBST(IF_NOT_MINI_GMP)
+ AC_SUBST(IF_HOGWEED)
+ AC_SUBST(IF_STATIC)
+ AC_SUBST(IF_SHARED)
+--- a/dsa.h
++++ b/dsa.h
+@@ -34,7 +34,7 @@
+ #ifndef NETTLE_DSA_H_INCLUDED
+ #define NETTLE_DSA_H_INCLUDED
+ 
+-#include <gmp.h>
++#include "bignum.h"
+ 
+ #include "nettle-types.h"
+ 
+--- a/ecc-internal.h
++++ b/ecc-internal.h
+@@ -34,7 +34,7 @@
+ #ifndef NETTLE_ECC_INTERNAL_H_INCLUDED
+ #define NETTLE_ECC_INTERNAL_H_INCLUDED
+ 
+-#include <gmp.h>
++#include "bignum.h"
+ 
+ #include "nettle-types.h"
+ #include "ecc-curve.h"
+--- a/ecc.h
++++ b/ecc.h
+@@ -34,7 +34,7 @@
+ #ifndef NETTLE_ECC_H_INCLUDED
+ #define NETTLE_ECC_H_INCLUDED
+ 
+-#include <gmp.h>
++#include "bignum.h"
+ 
+ #include "nettle-types.h"
+ 
+--- a/eccdata.c
++++ b/eccdata.c
+@@ -33,11 +33,14 @@
+ 
+ /* Development of Nettle's ECC support was funded by the .SE Internet Fund. */
+ 
++#include "config.h"
++
+ #include <assert.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+ 
++#include "mini-gmp.h"
+ #include "mini-gmp.c"
+ 
+ /* Affine coordinates, for simplicity. Infinity point represented as x
+@@ -904,6 +907,7 @@ int
+ main (int argc, char **argv)
+ {
+   struct ecc_curve ecc;
++  unsigned bits;
+ 
+   if (argc < 4)
+     {
+@@ -911,6 +915,7 @@ main (int argc, char **argv)
+       return EXIT_FAILURE;
+     }
+ 
++  bits = atoi(argv[4]);
+   ecc_curve_init (&ecc, atoi(argv[1]));
+ 
+   ecc_pippenger_precompute (&ecc, atoi(argv[2]), atoi(argv[3]));
+@@ -921,7 +926,12 @@ main (int argc, char **argv)
+   ecc_curve_check (&ecc);
+ 
+   if (argc > 4)
+-    output_curve (&ecc, atoi(argv[4]));
++    {
++      /* when using mini-gmp we cannot estimate it on configure */
++      if (bits == 0)
++        bits = GMP_NUMB_BITS;
++      output_curve (&ecc, bits);
++    }
+ 
+   return EXIT_SUCCESS;
+ }
+--- a/examples/Makefile.in
++++ b/examples/Makefile.in
+@@ -11,7 +11,7 @@ PRE_CPPFLAGS = -I.. -I$(top_srcdir)
+ PRE_LDFLAGS = -L..
+ 
+ OPENSSL_LIBFLAGS = @OPENSSL_LIBFLAGS@
+-BENCH_LIBS = @BENCH_LIBS@ -lm
++BENCH_LIBS = @BENCH_LIBS@ $(TESTSUITE_LIBS) -lm
+ 
+ HOGWEED_TARGETS = rsa-keygen$(EXEEXT) rsa-sign$(EXEEXT) \
+ 	      rsa-verify$(EXEEXT) rsa-encrypt$(EXEEXT) rsa-decrypt$(EXEEXT) \
+--- a/examples/ecc-benchmark.c
++++ b/examples/ecc-benchmark.c
+@@ -46,6 +46,8 @@
+ 
+ #include "timing.h"
+ 
++#undef USE_MINI_GMP
++#include <gmp.h>
+ #include "../ecc.h"
+ #include "../ecc-internal.h"
+ #include "../gmp-glue.h"
+--- a/gmp-glue.c
++++ b/gmp-glue.c
+@@ -271,3 +271,4 @@ gmp_free(void *p, size_t n)
+ 
+   free_func (p, (size_t) n);
+ }
++
+--- a/gmp-glue.h
++++ b/gmp-glue.h
+@@ -33,7 +33,7 @@
+ #ifndef NETTLE_GMP_GLUE_H_INCLUDED
+ #define NETTLE_GMP_GLUE_H_INCLUDED
+ 
+-#include <gmp.h>
++#include "bignum.h"
+ 
+ #include "nettle-stdint.h"
+ 
+--- a/hogweed.pc.in
++++ b/hogweed.pc.in
+@@ -13,6 +13,6 @@ URL: http://www.lysator.liu.se/~nisse/ne
+ Version: @PACKAGE_VERSION@
+ Requires.private: nettle
+ Libs: -L${libdir} -lhogweed
+-Libs.private: -lgmp
++Libs.private: @GMP_LIBS@
+ Cflags: -I${includedir}
+ 
+--- a/mini-gmp.c
++++ b/mini-gmp.c
+@@ -1388,7 +1388,7 @@ mpz_clear (mpz_t r)
+   gmp_free (r->_mp_d);
+ }
+ 
+-static void *
++void *
+ mpz_realloc (mpz_t r, mp_size_t size)
+ {
+   size = GMP_MAX (size, 1);
+--- a/mini-gmp.h
++++ b/mini-gmp.h
+@@ -70,6 +70,11 @@ typedef struct
+   mp_limb_t *_mp_d;		/* Pointer to the limbs.  */
+ } __mpz_struct;
+ 
++typedef __mpz_struct MP_INT;
++
++#define GMP_NUMB_BITS (SIZEOF_LONG*8)
++#define GMP_NUMB_MASK (~0)
++
+ typedef __mpz_struct mpz_t[1];
+ 
+ typedef __mpz_struct *mpz_ptr;
+@@ -119,6 +124,10 @@ void mpz_init (mpz_t);
+ void mpz_init2 (mpz_t, mp_bitcnt_t);
+ void mpz_clear (mpz_t);
+ 
++void *
++mpz_realloc (mpz_t r, mp_size_t size);
++#define _mpz_realloc mpz_realloc
++
+ #define mpz_odd_p(z)   (((z)->_mp_size != 0) & (int) (z)->_mp_d[0])
+ #define mpz_even_p(z)  (! mpz_odd_p (z))
+ 
+--- a/pkcs1.h
++++ b/pkcs1.h
+@@ -34,7 +34,7 @@
+ #ifndef NETTLE_PKCS1_H_INCLUDED
+ #define NETTLE_PKCS1_H_INCLUDED
+ 
+-#include <gmp.h>
++#include "bignum.h"
+ #include "nettle-types.h"
+ 
+ #ifdef __cplusplus
+--- a/rsa.h
++++ b/rsa.h
+@@ -34,7 +34,7 @@
+ #ifndef NETTLE_RSA_H_INCLUDED
+ #define NETTLE_RSA_H_INCLUDED
+ 
+-#include <gmp.h>
++#include "bignum.h"
+ #include "nettle-types.h"
+ 
+ #include "md5.h"
+--- a/testsuite/Makefile.in
++++ b/testsuite/Makefile.in
+@@ -50,7 +50,7 @@ TS_HOGWEED = $(TS_HOGWEED_SOURCES:.c=$(E
+ TS_C = $(TS_NETTLE) @IF_HOGWEED@ $(TS_HOGWEED)
+ TS_CXX = @IF_CXX@ $(CXX_SOURCES:.cxx=$(EXEEXT))
+ TARGETS = $(TS_C) $(TS_CXX)
+-TS_SH = sexp-conv-test pkcs1-conv-test nettle-pbkdf2-test symbols-test
++TS_SH = sexp-conv-test pkcs1-conv-test nettle-pbkdf2-test symbols-test @IF_NOT_MINI_GMP@
+ TS_ALL = $(TARGETS) $(TS_SH)
+ EXTRA_SOURCES = sha1-huge-test.c
+ EXTRA_TARGETS = $(EXTRA_SOURCES:.c=$(EXEEXT))
+@@ -78,7 +78,7 @@ all: $(EXTRA_TARGETS)
+ 
+ LIB_HOGWEED = @IF_HOGWEED@ -lhogweed
+ TEST_OBJS = testutils.$(OBJEXT) ../nettle-internal.$(OBJEXT) \
+-	    $(LIB_HOGWEED) -lnettle $(LIBS)
++	    $(LIB_HOGWEED) -lnettle $(LIBS) $(TESTSUITE_LIBS)
+ 
+ ../nettle-internal.$(OBJEXT):
+ 	( cd .. && $(MAKE) nettle-internal.$(OBJEXT) )
+--- a/testsuite/testutils.h
++++ b/testsuite/testutils.h
+@@ -12,11 +12,10 @@
+ #include <stdio.h>
+ #include <string.h>
+ 
+-#if HAVE_LIBGMP
+-# include "bignum.h"
+-#endif
+ 
+ #if WITH_HOGWEED
++# include <gmp.h>
++# undef USE_MINI_GMP
+ # include "rsa.h"
+ # include "dsa-compat.h"
+ # include "ecc-curve.h"
diff --git a/package/libs/nettle/patches/0003-Include-local-macros-in-nettle.m4-to-allow-regenerat.patch b/package/libs/nettle/patches/0003-Include-local-macros-in-nettle.m4-to-allow-regenerat.patch
new file mode 100644
index 0000000000..d6e29c85aa
--- /dev/null
+++ b/package/libs/nettle/patches/0003-Include-local-macros-in-nettle.m4-to-allow-regenerat.patch
@@ -0,0 +1,1233 @@
+From a6d49f192166d20755a6651d4612d3abcd780822 Mon Sep 17 00:00:00 2001
+From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
+Date: Sun, 9 Mar 2014 11:58:05 +0100
+Subject: [PATCH 3/5] Include local macros in nettle.m4 to allow regeneration.
+
+---
+ configure.ac |    1 +
+ nettle.m4    | 1209 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 1210 insertions(+)
+ create mode 100644 nettle.m4
+
+--- a/configure.ac
++++ b/configure.ac
+@@ -7,6 +7,7 @@ AC_PREREQ(2.61)
+ AC_CONFIG_SRCDIR([arcfour.c])
+ # Needed to stop autoconf from looking for files in parent directories.
+ AC_CONFIG_AUX_DIR([.])
++AC_CONFIG_MACRO_DIR([.])
+ 
+ AC_CONFIG_HEADER([config.h])
+ 
+--- /dev/null
++++ b/nettle.m4
+@@ -0,0 +1,1209 @@
++dnl Try to detect the type of the third arg to getsockname() et al
++AC_DEFUN([LSH_TYPE_SOCKLEN_T],
++[AH_TEMPLATE([socklen_t], [Length type used by getsockopt])
++AC_CACHE_CHECK([for socklen_t in sys/socket.h], ac_cv_type_socklen_t,
++[AC_EGREP_HEADER(socklen_t, sys/socket.h,
++  [ac_cv_type_socklen_t=yes], [ac_cv_type_socklen_t=no])])
++if test $ac_cv_type_socklen_t = no; then
++        AC_MSG_CHECKING(for AIX)
++        AC_EGREP_CPP(yes, [
++#ifdef _AIX
++ yes
++#endif
++],[
++AC_MSG_RESULT(yes)
++AC_DEFINE(socklen_t, size_t)
++],[
++AC_MSG_RESULT(no)
++AC_DEFINE(socklen_t, int)
++])
++fi
++])
++
++dnl Choose cc flags for compiling position independent code
++dnl FIXME: Doesn't do the right thing when crosscompiling.
++AC_DEFUN([LSH_CCPIC],
++[AC_REQUIRE([AC_CANONICAL_HOST])dnl
++AC_MSG_CHECKING(CCPIC)
++AC_CACHE_VAL(lsh_cv_sys_ccpic,[
++  if test -z "$CCPIC" ; then
++    if test "$GCC" = yes ; then
++      case "$host_os" in
++	bsdi4.*)	CCPIC="-fPIC" ;;
++	bsdi*)		CCPIC="" ;;
++	darwin*)	CCPIC="-fPIC" ;;
++	# Could also use -fpic, depending on the number of symbol references
++	solaris*)	CCPIC="-fPIC" ;;
++	cygwin*)	CCPIC="" ;;
++	mingw32*)	CCPIC="" ;;
++	*)		CCPIC="-fpic" ;;
++      esac
++    else
++      case "$host_os" in
++	darwin*)	CCPIC="-fPIC" ;;
++        irix*)		CCPIC="-share" ;;
++	hpux*)		CCPIC="+z"; ;;
++	*freebsd*)	CCPIC="-fpic" ;;
++	sco*|sysv4.*)	CCPIC="-KPIC -dy -Bdynamic" ;;
++	solaris*)	CCPIC="-KPIC -Bdynamic" ;;
++	winnt*)		CCPIC="-shared" ;;
++	*)		CCPIC="" ;;
++      esac
++    fi
++  fi
++  OLD_CFLAGS="$CFLAGS"
++  CFLAGS="$CFLAGS $CCPIC"
++  AC_TRY_COMPILE([], [exit(0);],
++    lsh_cv_sys_ccpic="$CCPIC", lsh_cv_sys_ccpic='')
++  CFLAGS="$OLD_CFLAGS"
++])
++CCPIC="$lsh_cv_sys_ccpic"
++AC_MSG_RESULT($CCPIC)
++AC_SUBST([CCPIC])])
++
++dnl LSH_PATH_ADD(path-id, directory)
++AC_DEFUN([LSH_PATH_ADD],
++[AC_MSG_CHECKING($2)
++ac_exists=no
++if test -d "$2/." ; then
++  ac_real_dir=`cd $2 && pwd`
++  if test -n "$ac_real_dir" ; then
++    ac_exists=yes
++    for old in $1_REAL_DIRS ; do
++      ac_found=no
++      if test x$ac_real_dir = x$old ; then
++        ac_found=yes;
++	break;
++      fi
++    done
++    if test $ac_found = yes ; then
++      AC_MSG_RESULT(already added)
++    else
++      AC_MSG_RESULT(added)
++      # LDFLAGS="$LDFLAGS -L $2"
++      $1_REAL_DIRS="$ac_real_dir [$]$1_REAL_DIRS"
++      $1_DIRS="$2 [$]$1_DIRS"
++    fi
++  fi
++fi
++if test $ac_exists = no ; then
++  AC_MSG_RESULT(not found)
++fi
++])
++
++dnl LSH_RPATH_ADD(dir)
++AC_DEFUN([LSH_RPATH_ADD], [LSH_PATH_ADD(RPATH_CANDIDATE, $1)])
++
++dnl LSH_RPATH_INIT(candidates)
++AC_DEFUN([LSH_RPATH_INIT],
++[AC_REQUIRE([AC_CANONICAL_HOST])dnl
++AC_MSG_CHECKING([for -R flag])
++RPATHFLAG=''
++case "$host_os" in
++  osf1*)		RPATHFLAG="-rpath " ;;
++  irix6.*|irix5.*)	RPATHFLAG="-rpath " ;;
++  solaris*)
++    if test "$TCC" = "yes"; then
++      # tcc doesn't know about -R
++      RPATHFLAG="-Wl,-R,"
++    else
++      RPATHFLAG=-R
++    fi
++    ;;
++  linux*)		RPATHFLAG="-Wl,-rpath," ;;
++  *)			RPATHFLAG="" ;;
++esac
++
++if test x$RPATHFLAG = x ; then
++  AC_MSG_RESULT(none)
++else
++  AC_MSG_RESULT([using $RPATHFLAG])
++fi
++
++RPATH_CANDIDATE_REAL_DIRS=''
++RPATH_CANDIDATE_DIRS=''
++
++AC_MSG_RESULT([Searching for libraries])
++
++for d in $1 ; do
++  LSH_RPATH_ADD($d)
++done
++])    
++
++dnl Try to execute a main program, and if it fails, try adding some
++dnl -R flag.
++dnl LSH_RPATH_FIX
++AC_DEFUN([LSH_RPATH_FIX],
++[if test $cross_compiling = no -a "x$RPATHFLAG" != x ; then
++  ac_success=no
++  AC_TRY_RUN([int main(int argc, char **argv) { return 0; }],
++    ac_success=yes, ac_success=no, :)
++  
++  if test $ac_success = no ; then
++    AC_MSG_CHECKING([Running simple test program failed. Trying -R flags])
++dnl echo RPATH_CANDIDATE_DIRS = $RPATH_CANDIDATE_DIRS
++    ac_remaining_dirs=''
++    ac_rpath_save_LDFLAGS="$LDFLAGS"
++    for d in $RPATH_CANDIDATE_DIRS ; do
++      if test $ac_success = yes ; then
++  	ac_remaining_dirs="$ac_remaining_dirs $d"
++      else
++  	LDFLAGS="$RPATHFLAG$d $LDFLAGS"
++dnl echo LDFLAGS = $LDFLAGS
++  	AC_TRY_RUN([int main(int argc, char **argv) { return 0; }],
++  	  [ac_success=yes
++  	  ac_rpath_save_LDFLAGS="$LDFLAGS"
++  	  AC_MSG_RESULT([adding $RPATHFLAG$d])
++  	  ],
++  	  [ac_remaining_dirs="$ac_remaining_dirs $d"], :)
++  	LDFLAGS="$ac_rpath_save_LDFLAGS"
++      fi
++    done
++    RPATH_CANDIDATE_DIRS=$ac_remaining_dirs
++  fi
++  if test $ac_success = no ; then
++    AC_MSG_RESULT(failed)
++  fi
++fi
++])
++
++dnl Like AC_CHECK_LIB, but uses $KRB_LIBS rather than $LIBS.
++dnl LSH_CHECK_KRB_LIB(LIBRARY, FUNCTION, [, ACTION-IF-FOUND [,
++dnl                  ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
++
++AC_DEFUN([LSH_CHECK_KRB_LIB],
++[AC_CHECK_LIB([$1], [$2],
++  ifelse([$3], ,
++      [[ac_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
++     	    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
++        AC_DEFINE_UNQUOTED($ac_tr_lib)
++        KRB_LIBS="-l$1 $KRB_LIBS"
++      ]], [$3]),
++  ifelse([$4], , , [$4
++])dnl
++, [$5 $KRB_LIBS])
++])
++
++dnl LSH_LIB_ARGP(ACTION-IF-OK, ACTION-IF-BAD)
++AC_DEFUN([LSH_LIB_ARGP],
++[ ac_argp_save_LIBS="$LIBS"
++  ac_argp_save_LDFLAGS="$LDFLAGS"
++  ac_argp_ok=no
++  # First check if we can link with argp.
++  AC_SEARCH_LIBS(argp_parse, argp,
++  [ LSH_RPATH_FIX
++    AC_CACHE_CHECK([for working argp],
++      lsh_cv_lib_argp_works,
++      [ AC_TRY_RUN(
++[#include <argp.h>
++#include <stdlib.h>
++
++static const struct argp_option
++options[] =
++{
++  { NULL, 0, NULL, 0, NULL, 0 }
++};
++
++struct child_state
++{
++  int n;
++};
++
++static error_t
++child_parser(int key, char *arg, struct argp_state *state)
++{
++  struct child_state *input = (struct child_state *) state->input;
++  
++  switch(key)
++    {
++    default:
++      return ARGP_ERR_UNKNOWN;
++    case ARGP_KEY_END:
++      if (!input->n)
++	input->n = 1;
++      break;
++    }
++  return 0;
++}
++
++const struct argp child_argp =
++{
++  options,
++  child_parser,
++  NULL, NULL, NULL, NULL, NULL
++};
++
++struct main_state
++{
++  struct child_state child;
++  int m;
++};
++
++static error_t
++main_parser(int key, char *arg, struct argp_state *state)
++{
++  struct main_state *input = (struct main_state *) state->input;
++
++  switch(key)
++    {
++    default:
++      return ARGP_ERR_UNKNOWN;
++    case ARGP_KEY_INIT:
++      state->child_inputs[0] = &input->child;
++      break;
++    case ARGP_KEY_END:
++      if (!input->m)
++	input->m = input->child.n;
++      
++      break;
++    }
++  return 0;
++}
++
++static const struct argp_child
++main_children[] =
++{
++  { &child_argp, 0, "", 0 },
++  { NULL, 0, NULL, 0}
++};
++
++static const struct argp
++main_argp =
++{ options, main_parser, 
++  NULL,
++  NULL,
++  main_children,
++  NULL, NULL
++};
++
++int main(int argc, char **argv)
++{
++  struct main_state input = { { 0 }, 0 };
++  char *v[2] = { "foo", NULL };
++
++  argp_parse(&main_argp, 1, v, 0, NULL, &input);
++
++  if ( (input.m == 1) && (input.child.n == 1) )
++    return 0;
++  else
++    return 1;
++}
++], lsh_cv_lib_argp_works=yes,
++   lsh_cv_lib_argp_works=no,
++   lsh_cv_lib_argp_works=no)])
++
++  if test x$lsh_cv_lib_argp_works = xyes ; then
++    ac_argp_ok=yes
++  else
++    # Reset link flags
++    LIBS="$ac_argp_save_LIBS"
++    LDFLAGS="$ac_argp_save_LDFLAGS"
++  fi])
++
++  if test x$ac_argp_ok = xyes ; then
++    ifelse([$1],, true, [$1])
++  else
++    ifelse([$2],, true, [$2])
++  fi   
++])
++
++dnl LSH_GCC_ATTRIBUTES
++dnl Check for gcc's __attribute__ construction
++
++AC_DEFUN([LSH_GCC_ATTRIBUTES],
++[AC_CACHE_CHECK(for __attribute__,
++	       lsh_cv_c_attribute,
++[ AC_TRY_COMPILE([
++#include <stdlib.h>
++
++static void foo(void) __attribute__ ((noreturn));
++
++static void __attribute__ ((noreturn))
++foo(void)
++{
++  exit(1);
++}
++],[],
++lsh_cv_c_attribute=yes,
++lsh_cv_c_attribute=no)])
++
++AH_TEMPLATE([HAVE_GCC_ATTRIBUTE], [Define if the compiler understands __attribute__])
++if test "x$lsh_cv_c_attribute" = "xyes"; then
++  AC_DEFINE(HAVE_GCC_ATTRIBUTE)
++fi
++
++AH_BOTTOM(
++[#if __GNUC__ && HAVE_GCC_ATTRIBUTE
++# define NORETURN __attribute__ ((__noreturn__))
++# define PRINTF_STYLE(f, a) __attribute__ ((__format__ (__printf__, f, a)))
++# define UNUSED __attribute__ ((__unused__))
++#else
++# define NORETURN
++# define PRINTF_STYLE(f, a)
++# define UNUSED
++#endif
++])])
++
++# Check for alloca, and include the standard blurb in config.h
++AC_DEFUN([LSH_FUNC_ALLOCA],
++[AC_FUNC_ALLOCA
++AC_CHECK_HEADERS([malloc.h])
++AH_BOTTOM(
++[/* AIX requires this to be the first thing in the file.  */
++#ifndef __GNUC__
++# if HAVE_ALLOCA_H
++#  include <alloca.h>
++# else
++#  ifdef _AIX
++ #pragma alloca
++#  else
++#   ifndef alloca /* predefined by HP cc +Olibcalls */
++char *alloca ();
++#   endif
++#  endif
++/* Needed for alloca on windows */
++#  if HAVE_MALLOC_H
++#   include <malloc.h>
++#  endif
++# endif
++#else /* defined __GNUC__ */
++# if HAVE_ALLOCA_H
++#  include <alloca.h>
++# else
++/* Needed for alloca on windows, also with gcc */
++#  if HAVE_MALLOC_H
++#   include <malloc.h>
++#  endif
++# endif
++#endif
++])])
++
++AC_DEFUN([LSH_FUNC_STRERROR],
++[AC_CHECK_FUNCS(strerror)
++AH_BOTTOM(
++[#if HAVE_STRERROR
++#define STRERROR strerror
++#else
++#define STRERROR(x) (sys_errlist[x])
++#endif
++])])
++
++AC_DEFUN([LSH_FUNC_STRSIGNAL],
++[AC_CHECK_FUNCS(strsignal)
++AC_CHECK_DECLS([sys_siglist, _sys_siglist])
++AH_BOTTOM(
++[#if HAVE_STRSIGNAL
++# define STRSIGNAL strsignal
++#else /* !HAVE_STRSIGNAL */
++# if HAVE_DECL_SYS_SIGLIST
++#  define STRSIGNAL(x) (sys_siglist[x])
++# else
++#  if HAVE_DECL__SYS_SIGLIST
++#   define STRSIGNAL(x) (_sys_siglist[x])
++#  else
++#   define STRSIGNAL(x) "Unknown signal"
++#   if __GNUC__
++#    warning Using dummy STRSIGNAL
++#   endif
++#  endif
++# endif
++#endif /* !HAVE_STRSIGNAL */
++])])
++
++dnl LSH_MAKE_CONDITIONAL(symbol, test)
++AC_DEFUN([LSH_MAKE_CONDITIONAL],
++[if $2 ; then
++  IF_$1=''
++  UNLESS_$1='# '
++else
++  IF_$1='# '
++  UNLESS_$1=''
++fi 
++AC_SUBST(IF_$1)
++AC_SUBST(UNLESS_$1)])
++
++dnl LSH_DEPENDENCY_TRACKING
++
++dnl Defines compiler flags DEP_FLAGS to generate dependency
++dnl information, and DEP_PROCESS that is any shell commands needed for
++dnl massaging the dependency information further. Dependencies are
++dnl generated as a side effect of compilation. Dependency files
++dnl themselves are not treated as targets.
++
++AC_DEFUN([LSH_DEPENDENCY_TRACKING],
++[AC_ARG_ENABLE(dependency_tracking,
++  AC_HELP_STRING([--disable-dependency-tracking],
++    [Disable dependency tracking. Dependency tracking doesn't work with BSD make]),,
++  [enable_dependency_tracking=yes])
++
++DEP_FLAGS=''
++DEP_PROCESS='true'
++if test x$enable_dependency_tracking = xyes ; then
++  if test x$GCC = xyes ; then
++    gcc_version=`gcc --version | head -1`
++    case "$gcc_version" in
++      2.*|*[[!0-9.]]2.*)
++        enable_dependency_tracking=no
++        AC_MSG_WARN([Dependency tracking disabled, gcc-3.x is needed])
++      ;;
++      *)
++        DEP_FLAGS='-MT $[]@ -MD -MP -MF $[]@.d'
++        DEP_PROCESS='true'
++      ;;
++    esac
++  else
++    enable_dependency_tracking=no
++    AC_MSG_WARN([Dependency tracking disabled])
++  fi
++fi
++
++if test x$enable_dependency_tracking = xyes ; then
++  DEP_INCLUDE='include '
++else
++  DEP_INCLUDE='# '
++fi
++
++AC_SUBST([DEP_INCLUDE])
++AC_SUBST([DEP_FLAGS])
++AC_SUBST([DEP_PROCESS])])
++
++dnl  GMP_TRY_ASSEMBLE(asm-code,[action-success][,action-fail])
++dnl  ----------------------------------------------------------
++dnl  Attempt to assemble the given code.
++dnl  Do "action-success" if this succeeds, "action-fail" if not.
++dnl
++dnl  conftest.o and conftest.out are available for inspection in
++dnl  "action-success".  If either action does a "break" out of a loop then
++dnl  an explicit "rm -f conftest*" will be necessary.
++dnl
++dnl  This is not unlike AC_TRY_COMPILE, but there's no default includes or
++dnl  anything in "asm-code", everything wanted must be given explicitly.
++
++AC_DEFUN([GMP_TRY_ASSEMBLE],
++[cat >conftest.s <<EOF
++[$1]
++EOF
++gmp_assemble="$CC $CFLAGS $CPPFLAGS -c conftest.s >conftest.out 2>&1"
++if AC_TRY_EVAL(gmp_assemble); then
++  cat conftest.out >&AC_FD_CC
++  ifelse([$2],,:,[$2])
++else
++  cat conftest.out >&AC_FD_CC
++  echo "configure: failed program was:" >&AC_FD_CC
++  cat conftest.s >&AC_FD_CC
++  ifelse([$3],,:,[$3])
++fi
++rm -f conftest*
++])
++
++dnl  GMP_PROG_CC_FOR_BUILD
++dnl  ---------------------
++dnl  Establish CC_FOR_BUILD, a C compiler for the build system.
++dnl
++dnl  If CC_FOR_BUILD is set then it's expected to work, likewise the old
++dnl  style HOST_CC, otherwise some likely candidates are tried, the same as
++dnl  configfsf.guess.
++
++AC_DEFUN([GMP_PROG_CC_FOR_BUILD],
++[AC_REQUIRE([AC_PROG_CC])
++if test -n "$CC_FOR_BUILD"; then
++  GMP_PROG_CC_FOR_BUILD_WORKS($CC_FOR_BUILD,,
++    [AC_MSG_ERROR([Specified CC_FOR_BUILD doesn't seem to work])])
++elif test -n "$HOST_CC"; then
++  GMP_PROG_CC_FOR_BUILD_WORKS($HOST_CC,
++    [CC_FOR_BUILD=$HOST_CC],
++    [AC_MSG_ERROR([Specified HOST_CC doesn't seem to work])])
++elif test $cross_compiling = no ; then
++  CC_FOR_BUILD="$CC"
++else
++  for i in cc gcc c89 c99; do
++    GMP_PROG_CC_FOR_BUILD_WORKS($i,
++      [CC_FOR_BUILD=$i
++       break])
++  done
++  if test -z "$CC_FOR_BUILD"; then
++    AC_MSG_ERROR([Cannot find a build system compiler])
++  fi
++fi
++
++AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
++AC_SUBST(CC_FOR_BUILD)
++])
++
++
++dnl  GMP_PROG_CC_FOR_BUILD_WORKS(cc/cflags[,[action-if-good][,action-if-bad]])
++dnl  -------------------------------------------------------------------------
++dnl  See if the given cc/cflags works on the build system.
++dnl
++dnl  It seems easiest to just use the default compiler output, rather than
++dnl  figuring out the .exe or whatever at this stage.
++
++AC_DEFUN([GMP_PROG_CC_FOR_BUILD_WORKS],
++[AC_MSG_CHECKING([build system compiler $1])
++# remove anything that might look like compiler output to our "||" expression
++rm -f conftest* a.out b.out a.exe a_out.exe
++cat >conftest.c <<EOF
++int
++main ()
++{
++  exit(0);
++}
++EOF
++gmp_compile="$1 conftest.c"
++cc_for_build_works=no
++if AC_TRY_EVAL(gmp_compile); then
++  if (./a.out || ./b.out || ./a.exe || ./a_out.exe || ./conftest) >&AC_FD_CC 2>&1; then
++    cc_for_build_works=yes
++  fi
++fi
++rm -f conftest* a.out b.out a.exe a_out.exe
++AC_MSG_RESULT($cc_for_build_works)
++if test "$cc_for_build_works" = yes; then
++  ifelse([$2],,:,[$2])
++else
++  ifelse([$3],,:,[$3])
++fi
++])
++
++dnl  GMP_PROG_EXEEXT_FOR_BUILD
++dnl  -------------------------
++dnl  Determine EXEEXT_FOR_BUILD, the build system executable suffix.
++dnl
++dnl  The idea is to find what "-o conftest$foo" will make it possible to run
++dnl  the program with ./conftest.  On Unix-like systems this is of course
++dnl  nothing, for DOS it's ".exe", or for a strange RISC OS foreign file
++dnl  system cross compile it can be ",ff8" apparently.  Not sure if the
++dnl  latter actually applies to a build-system executable, maybe it doesn't,
++dnl  but it won't hurt to try.
++
++AC_DEFUN([GMP_PROG_EXEEXT_FOR_BUILD],
++[AC_REQUIRE([GMP_PROG_CC_FOR_BUILD])
++AC_CACHE_CHECK([for build system executable suffix],
++               gmp_cv_prog_exeext_for_build,
++[if test $cross_compiling = no ; then
++  gmp_cv_prog_exeext_for_build="$EXEEXT"
++else
++  cat >conftest.c <<EOF
++int
++main ()
++{
++  exit (0);
++}
++EOF
++  for i in .exe ,ff8 ""; do
++    gmp_compile="$CC_FOR_BUILD conftest.c -o conftest$i"
++    if AC_TRY_EVAL(gmp_compile); then
++      if (./conftest) 2>&AC_FD_CC; then
++        gmp_cv_prog_exeext_for_build=$i
++        break
++      fi
++    fi
++  done
++  rm -f conftest*
++  if test "${gmp_cv_prog_exeext_for_build+set}" != set; then
++    AC_MSG_ERROR([Cannot determine executable suffix])
++  fi
++fi
++])
++AC_SUBST(EXEEXT_FOR_BUILD,$gmp_cv_prog_exeext_for_build)
++])
++
++dnl NETTLE_CHECK_ARM_NEON
++dnl ---------------------
++dnl Check if ARM Neon instructions should be used.
++dnl Obeys enable_arm_neon, which should be set earlier.
++AC_DEFUN([NETTLE_CHECK_ARM_NEON],
++[if test "$enable_arm_neon" = auto ; then
++  if test "$cross_compiling" = yes ; then
++    dnl Check if compiler/assembler accepts it,
++    dnl without an explicit .fpu neon directive.
++    AC_CACHE_CHECK([if assembler accepts Neon instructions],
++      nettle_cv_asm_arm_neon,
++      [GMP_TRY_ASSEMBLE([
++.text
++foo:
++	vmlal.u32	q1, d0, d1
++],
++      [nettle_cv_asm_arm_neon=yes],
++      [nettle_cv_asm_arm_neon=no])])
++    enable_arm_neon="$nettle_cv_asm_arm_neon"
++  else
++    AC_MSG_CHECKING([if /proc/cpuinfo claims neon support])
++    if grep '^Features.*:.* neon' /proc/cpuinfo >/dev/null ; then
++      enable_arm_neon=yes
++    else
++      enable_arm_neon=no
++    fi
++    AC_MSG_RESULT($enable_arm_neon)
++  fi
++fi
++])
++
++dnl @synopsis AX_CREATE_STDINT_H [( HEADER-TO-GENERATE [, HEADERS-TO-CHECK])]
++dnl
++dnl the "ISO C9X: 7.18 Integer types <stdint.h>" section requires the
++dnl existence of an include file <stdint.h> that defines a set of 
++dnl typedefs, especially uint8_t,int32_t,uintptr_t.
++dnl Many older installations will not provide this file, but some will
++dnl have the very same definitions in <inttypes.h>. In other enviroments
++dnl we can use the inet-types in <sys/types.h> which would define the
++dnl typedefs int8_t and u_int8_t respectivly.
++dnl
++dnl This macros will create a local "_stdint.h" or the headerfile given as 
++dnl an argument. In many cases that file will just "#include <stdint.h>" 
++dnl or "#include <inttypes.h>", while in other environments it will provide 
++dnl the set of basic 'stdint's definitions/typedefs: 
++dnl   int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,intptr_t,uintptr_t
++dnl   int_least32_t.. int_fast32_t.. intmax_t
++dnl which may or may not rely on the definitions of other files,
++dnl or using the AC_CHECK_SIZEOF macro to determine the actual
++dnl sizeof each type.
++dnl
++dnl if your header files require the stdint-types you will want to create an
++dnl installable file mylib-int.h that all your other installable header
++dnl may include. So if you have a library package named "mylib", just use
++dnl      AX_CREATE_STDINT_H(mylib-int.h) 
++dnl in configure.ac and go to install that very header file in Makefile.am
++dnl along with the other headers (mylib.h) - and the mylib-specific headers
++dnl can simply use "#include <mylib-int.h>" to obtain the stdint-types.
++dnl
++dnl Remember, if the system already had a valid <stdint.h>, the generated
++dnl file will include it directly. No need for fuzzy HAVE_STDINT_H things...
++dnl
++dnl @, (status: used on new platforms) (see http://ac-archive.sf.net/gstdint/)
++dnl @author  Guido Draheim <guidod@gmx.de> 
++
++AC_DEFUN([AX_CREATE_STDINT_H],
++[# ------ AX CREATE STDINT H -------------------------------------
++AC_MSG_CHECKING([for stdint types])
++ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)`
++# try to shortcircuit - if the default include path of the compiler
++# can find a "stdint.h" header then we assume that all compilers can.
++AC_CACHE_VAL([ac_cv_header_stdint_t],[
++old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS=""
++old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS=""
++old_CFLAGS="$CFLAGS"     ; CFLAGS=""
++AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;],
++[ac_cv_stdint_result="(assuming C99 compatible system)"
++ ac_cv_header_stdint_t="stdint.h"; ],
++[ac_cv_header_stdint_t=""])
++CXXFLAGS="$old_CXXFLAGS"
++CPPFLAGS="$old_CPPFLAGS"
++CFLAGS="$old_CFLAGS" ])
++
++v="... $ac_cv_header_stdint_h"
++if test "$ac_stdint_h" = "stdint.h" ; then
++ AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)])
++elif test "$ac_stdint_h" = "inttypes.h" ; then
++ AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)])
++elif test "_$ac_cv_header_stdint_t" = "_" ; then
++ AC_MSG_RESULT([(putting them into $ac_stdint_h)$v])
++else
++ ac_cv_header_stdint="$ac_cv_header_stdint_t"
++ AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)])
++fi
++
++if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit..
++
++dnl .....intro message done, now do a few system checks.....
++dnl btw, all CHECK_TYPE macros do automatically "DEFINE" a type, therefore
++dnl we use the autoconf implementation detail _AC CHECK_TYPE_NEW instead
++
++inttype_headers=`echo $2 | sed -e 's/,/ /g'`
++
++ac_cv_stdint_result="(no helpful system typedefs seen)"
++AC_CACHE_CHECK([for stdint uintptr_t], [ac_cv_header_stdint_x],[
++ ac_cv_header_stdint_x="" # the 1997 typedefs (inttypes.h)
++  AC_MSG_RESULT([(..)])
++  for i in stdint.h inttypes.h sys/inttypes.h $inttype_headers ; do
++   unset ac_cv_type_uintptr_t 
++   unset ac_cv_type_uint64_t
++   _AC_CHECK_TYPE_NEW(uintptr_t,[ac_cv_header_stdint_x=$i],dnl
++     continue,[#include <$i>])
++   AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
++   ac_cv_stdint_result="(seen uintptr_t$and64 in $i)"
++   break;
++  done
++  AC_MSG_CHECKING([for stdint uintptr_t])
++ ])
++
++if test "_$ac_cv_header_stdint_x" = "_" ; then
++AC_CACHE_CHECK([for stdint uint32_t], [ac_cv_header_stdint_o],[
++ ac_cv_header_stdint_o="" # the 1995 typedefs (sys/inttypes.h)
++  AC_MSG_RESULT([(..)])
++  for i in inttypes.h sys/inttypes.h stdint.h $inttype_headers ; do
++   unset ac_cv_type_uint32_t
++   unset ac_cv_type_uint64_t
++   AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],dnl
++     continue,[#include <$i>])
++   AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
++   ac_cv_stdint_result="(seen uint32_t$and64 in $i)"
++   break;
++  done
++  AC_MSG_CHECKING([for stdint uint32_t])
++ ])
++fi
++
++if test "_$ac_cv_header_stdint_x" = "_" ; then
++if test "_$ac_cv_header_stdint_o" = "_" ; then
++AC_CACHE_CHECK([for stdint u_int32_t], [ac_cv_header_stdint_u],[
++ ac_cv_header_stdint_u="" # the BSD typedefs (sys/types.h)
++  AC_MSG_RESULT([(..)])
++  for i in sys/types.h inttypes.h sys/inttypes.h $inttype_headers ; do
++   unset ac_cv_type_u_int32_t
++   unset ac_cv_type_u_int64_t
++   AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],dnl
++     continue,[#include <$i>])
++   AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>])
++   ac_cv_stdint_result="(seen u_int32_t$and64 in $i)"
++   break;
++  done
++  AC_MSG_CHECKING([for stdint u_int32_t])
++ ])
++fi fi
++
++dnl if there was no good C99 header file, do some typedef checks...
++if test "_$ac_cv_header_stdint_x" = "_" ; then
++   AC_MSG_CHECKING([for stdint datatype model])
++   AC_MSG_RESULT([(..)])
++   AC_CHECK_SIZEOF(char)
++   AC_CHECK_SIZEOF(short)
++   AC_CHECK_SIZEOF(int)
++   AC_CHECK_SIZEOF(long)
++   AC_CHECK_SIZEOF(void*)
++   ac_cv_stdint_char_model=""
++   ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_char"
++   ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_short"
++   ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_int"
++   ac_cv_stdint_long_model=""
++   ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_int"
++   ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_long"
++   ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_voidp"
++   name="$ac_cv_stdint_long_model"
++   case "$ac_cv_stdint_char_model/$ac_cv_stdint_long_model" in
++    122/242)     name="$name,  IP16 (standard 16bit machine)" ;;
++    122/244)     name="$name,  LP32 (standard 32bit mac/win)" ;;
++    122/*)       name="$name        (unusual int16 model)" ;; 
++    124/444)     name="$name, ILP32 (standard 32bit unixish)" ;;
++    124/488)     name="$name,  LP64 (standard 64bit unixish)" ;;
++    124/448)     name="$name, LLP64 (unusual  64bit unixish)" ;;
++    124/*)       name="$name        (unusual int32 model)" ;; 
++    128/888)     name="$name, ILP64 (unusual  64bit numeric)" ;;
++    128/*)       name="$name        (unusual int64 model)" ;; 
++    222/*|444/*) name="$name        (unusual dsptype)" ;;
++     *)          name="$name        (very unusal model)" ;;
++   esac
++   AC_MSG_RESULT([combined for stdint datatype model...  $name])
++fi
++
++if test "_$ac_cv_header_stdint_x" != "_" ; then
++   ac_cv_header_stdint="$ac_cv_header_stdint_x"
++elif  test "_$ac_cv_header_stdint_o" != "_" ; then
++   ac_cv_header_stdint="$ac_cv_header_stdint_o"
++elif  test "_$ac_cv_header_stdint_u" != "_" ; then
++   ac_cv_header_stdint="$ac_cv_header_stdint_u"
++else
++   ac_cv_header_stdint="stddef.h"
++fi
++
++AC_MSG_CHECKING([for extra inttypes in chosen header])
++AC_MSG_RESULT([($ac_cv_header_stdint)])
++dnl see if int_least and int_fast types are present in _this_ header.
++unset ac_cv_type_int_least32_t
++unset ac_cv_type_int_fast32_t
++AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>])
++AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>])
++AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>])
++
++fi # shortcircut to system "stdint.h"
++# ------------------ PREPARE VARIABLES ------------------------------
++if test "$GCC" = "yes" ; then
++ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1` 
++else
++ac_cv_stdint_message="using $CC"
++fi
++
++AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl
++$ac_cv_stdint_result])
++
++# ----------------- DONE inttypes.h checks START header -------------
++AC_CONFIG_COMMANDS([$ac_stdint_h],[
++AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h)
++ac_stdint=$tmp/_stdint.h
++
++echo "#ifndef" $_ac_stdint_h >$ac_stdint
++echo "#define" $_ac_stdint_h "1" >>$ac_stdint
++echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint
++echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint
++echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint
++if test "_$ac_cv_header_stdint_t" != "_" ; then 
++echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint
++fi
++
++cat >>$ac_stdint <<STDINT_EOF
++
++/* ................... shortcircuit part ........................... */
++
++#if defined HAVE_STDINT_H || defined _STDINT_HAVE_STDINT_H
++#include <stdint.h>
++#else
++#include <stddef.h>
++
++/* .................... configured part ............................ */
++
++STDINT_EOF
++
++echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint
++if test "_$ac_cv_header_stdint_x" != "_" ; then
++  ac_header="$ac_cv_header_stdint_x"
++  echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint
++else
++  echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint
++fi
++
++echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint
++if  test "_$ac_cv_header_stdint_o" != "_" ; then
++  ac_header="$ac_cv_header_stdint_o"
++  echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint
++else
++  echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint
++fi
++
++echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint
++if  test "_$ac_cv_header_stdint_u" != "_" ; then
++  ac_header="$ac_cv_header_stdint_u"
++  echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint
++else
++  echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint
++fi
++
++echo "" >>$ac_stdint
++
++if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then
++  echo "#include <$ac_header>" >>$ac_stdint
++  echo "" >>$ac_stdint
++fi fi
++
++echo "/* which 64bit typedef has been found */" >>$ac_stdint
++if test "$ac_cv_type_uint64_t" = "yes" ; then
++echo "#define   _STDINT_HAVE_UINT64_T" "1"  >>$ac_stdint
++else
++echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint
++fi
++if test "$ac_cv_type_u_int64_t" = "yes" ; then
++echo "#define   _STDINT_HAVE_U_INT64_T" "1"  >>$ac_stdint
++else
++echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint
++fi
++echo "" >>$ac_stdint
++
++echo "/* which type model has been detected */" >>$ac_stdint
++if test "_$ac_cv_stdint_char_model" != "_" ; then
++echo "#define   _STDINT_CHAR_MODEL" "$ac_cv_stdint_char_model" >>$ac_stdint
++echo "#define   _STDINT_LONG_MODEL" "$ac_cv_stdint_long_model" >>$ac_stdint
++else
++echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint
++echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint
++fi
++echo "" >>$ac_stdint
++
++echo "/* whether int_least types were detected */" >>$ac_stdint
++if test "$ac_cv_type_int_least32_t" = "yes"; then
++echo "#define   _STDINT_HAVE_INT_LEAST32_T" "1"  >>$ac_stdint
++else
++echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint
++fi
++echo "/* whether int_fast types were detected */" >>$ac_stdint
++if test "$ac_cv_type_int_fast32_t" = "yes"; then
++echo "#define   _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint
++else
++echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint
++fi
++echo "/* whether intmax_t type was detected */" >>$ac_stdint
++if test "$ac_cv_type_intmax_t" = "yes"; then
++echo "#define   _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint
++else
++echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint
++fi
++echo "" >>$ac_stdint
++
++  cat >>$ac_stdint <<STDINT_EOF
++/* .................... detections part ............................ */
++
++/* whether we need to define bitspecific types from compiler base types */
++#ifndef _STDINT_HEADER_INTPTR
++#ifndef _STDINT_HEADER_UINT32
++#ifndef _STDINT_HEADER_U_INT32
++#define _STDINT_NEED_INT_MODEL_T
++#else
++#define _STDINT_HAVE_U_INT_TYPES
++#endif
++#endif
++#endif
++
++#ifdef _STDINT_HAVE_U_INT_TYPES
++#undef _STDINT_NEED_INT_MODEL_T
++#endif
++
++#ifdef  _STDINT_CHAR_MODEL
++#if     _STDINT_CHAR_MODEL+0 == 122 || _STDINT_CHAR_MODEL+0 == 124
++#ifndef _STDINT_BYTE_MODEL
++#define _STDINT_BYTE_MODEL 12
++#endif
++#endif
++#endif
++
++#ifndef _STDINT_HAVE_INT_LEAST32_T
++#define _STDINT_NEED_INT_LEAST_T
++#endif
++
++#ifndef _STDINT_HAVE_INT_FAST32_T
++#define _STDINT_NEED_INT_FAST_T
++#endif
++
++#ifndef _STDINT_HEADER_INTPTR
++#define _STDINT_NEED_INTPTR_T
++#ifndef _STDINT_HAVE_INTMAX_T
++#define _STDINT_NEED_INTMAX_T
++#endif
++#endif
++
++
++/* .................... definition part ............................ */
++
++/* some system headers have good uint64_t */
++#ifndef _HAVE_UINT64_T
++#if     defined _STDINT_HAVE_UINT64_T  || defined HAVE_UINT64_T
++#define _HAVE_UINT64_T
++#elif   defined _STDINT_HAVE_U_INT64_T || defined HAVE_U_INT64_T
++#define _HAVE_UINT64_T
++typedef u_int64_t uint64_t;
++#endif
++#endif
++
++#ifndef _HAVE_UINT64_T
++/* .. here are some common heuristics using compiler runtime specifics */
++#if defined __STDC_VERSION__ && defined __STDC_VERSION__ >= 199901L
++#define _HAVE_UINT64_T
++typedef long long int64_t;
++typedef unsigned long long uint64_t;
++
++#elif !defined __STRICT_ANSI__
++#if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__
++#define _HAVE_UINT64_T
++typedef __int64 int64_t;
++typedef unsigned __int64 uint64_t;
++
++#elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__
++/* note: all ELF-systems seem to have loff-support which needs 64-bit */
++#if !defined _NO_LONGLONG
++#define _HAVE_UINT64_T
++typedef long long int64_t;
++typedef unsigned long long uint64_t;
++#endif
++
++#elif defined __alpha || (defined __mips && defined _ABIN32)
++#if !defined _NO_LONGLONG
++typedef long int64_t;
++typedef unsigned long uint64_t;
++#endif
++  /* compiler/cpu type to define int64_t */
++#endif
++#endif
++#endif
++
++#if defined _STDINT_HAVE_U_INT_TYPES
++/* int8_t int16_t int32_t defined by inet code, redeclare the u_intXX types */
++typedef u_int8_t uint8_t;
++typedef u_int16_t uint16_t;
++typedef u_int32_t uint32_t;
++
++/* glibc compatibility */
++#ifndef __int8_t_defined
++#define __int8_t_defined
++#endif
++#endif
++
++#ifdef _STDINT_NEED_INT_MODEL_T
++/* we must guess all the basic types. Apart from byte-adressable system, */
++/* there a few 32-bit-only dsp-systems that we guard with BYTE_MODEL 8-} */
++/* (btw, those nibble-addressable systems are way off, or so we assume) */
++
++dnl   /* have a look at "64bit and data size neutrality" at */
++dnl   /* http://unix.org/version2/whatsnew/login_64bit.html */
++dnl   /* (the shorthand "ILP" types always have a "P" part) */
++
++#if defined _STDINT_BYTE_MODEL
++#if _STDINT_LONG_MODEL+0 == 242
++/* 2:4:2 =  IP16 = a normal 16-bit system                */
++typedef unsigned char   uint8_t;
++typedef unsigned short  uint16_t;
++typedef unsigned long   uint32_t;
++#ifndef __int8_t_defined
++#define __int8_t_defined
++typedef          char    int8_t;
++typedef          short   int16_t;
++typedef          long    int32_t;
++#endif
++#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL == 444
++/* 2:4:4 =  LP32 = a 32-bit system derived from a 16-bit */
++/* 4:4:4 = ILP32 = a normal 32-bit system                */
++typedef unsigned char   uint8_t;
++typedef unsigned short  uint16_t;
++typedef unsigned int    uint32_t;
++#ifndef __int8_t_defined
++#define __int8_t_defined
++typedef          char    int8_t;
++typedef          short   int16_t;
++typedef          int     int32_t;
++#endif
++#elif _STDINT_LONG_MODEL+0 == 484 || _STDINT_LONG_MODEL+0 == 488
++/* 4:8:4 =  IP32 = a 32-bit system prepared for 64-bit    */
++/* 4:8:8 =  LP64 = a normal 64-bit system                 */
++typedef unsigned char   uint8_t;
++typedef unsigned short  uint16_t;
++typedef unsigned int    uint32_t;
++#ifndef __int8_t_defined
++#define __int8_t_defined
++typedef          char    int8_t;
++typedef          short   int16_t;
++typedef          int     int32_t;
++#endif
++/* this system has a "long" of 64bit */
++#ifndef _HAVE_UINT64_T
++#define _HAVE_UINT64_T
++typedef unsigned long   uint64_t;
++typedef          long    int64_t;
++#endif
++#elif _STDINT_LONG_MODEL+0 == 448
++/*      LLP64   a 64-bit system derived from a 32-bit system */
++typedef unsigned char   uint8_t;
++typedef unsigned short  uint16_t;
++typedef unsigned int    uint32_t;
++#ifndef __int8_t_defined
++#define __int8_t_defined
++typedef          char    int8_t;
++typedef          short   int16_t;
++typedef          int     int32_t;
++#endif
++/* assuming the system has a "long long" */
++#ifndef _HAVE_UINT64_T
++#define _HAVE_UINT64_T
++typedef unsigned long long uint64_t;
++typedef          long long  int64_t;
++#endif
++#else
++#define _STDINT_NO_INT32_T
++#endif
++#else
++#define _STDINT_NO_INT8_T
++#define _STDINT_NO_INT32_T
++#endif
++#endif
++
++/*
++ * quote from SunOS-5.8 sys/inttypes.h:
++ * Use at your own risk.  As of February 1996, the committee is squarely
++ * behind the fixed sized types; the "least" and "fast" types are still being
++ * discussed.  The probability that the "fast" types may be removed before
++ * the standard is finalized is high enough that they are not currently
++ * implemented.
++ */
++
++#if defined _STDINT_NEED_INT_LEAST_T
++typedef  int8_t    int_least8_t;
++typedef  int16_t   int_least16_t;
++typedef  int32_t   int_least32_t;
++#ifdef _HAVE_UINT64_T
++typedef  int64_t   int_least64_t;
++#endif
++
++typedef uint8_t   uint_least8_t;
++typedef uint16_t  uint_least16_t;
++typedef uint32_t  uint_least32_t;
++#ifdef _HAVE_UINT64_T
++typedef uint64_t  uint_least64_t;
++#endif
++  /* least types */
++#endif
++
++#if defined _STDINT_NEED_INT_FAST_T
++typedef  int8_t    int_fast8_t; 
++typedef  int       int_fast16_t;
++typedef  int32_t   int_fast32_t;
++#ifdef _HAVE_UINT64_T
++typedef  int64_t   int_fast64_t;
++#endif
++
++typedef uint8_t   uint_fast8_t; 
++typedef unsigned  uint_fast16_t;
++typedef uint32_t  uint_fast32_t;
++#ifdef _HAVE_UINT64_T
++typedef uint64_t  uint_fast64_t;
++#endif
++  /* fast types */
++#endif
++
++#ifdef _STDINT_NEED_INTMAX_T
++#ifdef _HAVE_UINT64_T
++typedef  int64_t       intmax_t;
++typedef uint64_t      uintmax_t;
++#else
++typedef          long  intmax_t;
++typedef unsigned long uintmax_t;
++#endif
++#endif
++
++#ifdef _STDINT_NEED_INTPTR_T
++#ifndef __intptr_t_defined
++#define __intptr_t_defined
++/* we encourage using "long" to store pointer values, never use "int" ! */
++#if   _STDINT_LONG_MODEL+0 == 242 || _STDINT_LONG_MODEL+0 == 484
++typedef  unsinged int   uintptr_t;
++typedef           int    intptr_t;
++#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444
++typedef  unsigned long  uintptr_t;
++typedef           long   intptr_t;
++#elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T
++typedef        uint64_t uintptr_t;
++typedef         int64_t  intptr_t;
++#else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */
++typedef  unsigned long  uintptr_t;
++typedef           long   intptr_t;
++#endif
++#endif
++#endif
++
++  /* shortcircuit*/
++#endif
++  /* once */
++#endif
++#endif
++STDINT_EOF
++    if cmp -s $ac_stdint_h $ac_stdint 2>/dev/null; then
++      AC_MSG_NOTICE([$ac_stdint_h is unchanged])
++    else
++      ac_dir=`AS_DIRNAME(["$ac_stdint_h"])`
++      AS_MKDIR_P(["$ac_dir"])
++      rm -f $ac_stdint_h
++      mv $ac_stdint $ac_stdint_h
++    fi
++],[# variables for create stdint.h replacement
++PACKAGE="$PACKAGE"
++VERSION="$VERSION"
++ac_stdint_h="$ac_stdint_h"
++_ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h)
++ac_cv_stdint_message="$ac_cv_stdint_message"
++ac_cv_header_stdint_t="$ac_cv_header_stdint_t"
++ac_cv_header_stdint_x="$ac_cv_header_stdint_x"
++ac_cv_header_stdint_o="$ac_cv_header_stdint_o"
++ac_cv_header_stdint_u="$ac_cv_header_stdint_u"
++ac_cv_type_uint64_t="$ac_cv_type_uint64_t"
++ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t"
++ac_cv_stdint_char_model="$ac_cv_stdint_char_model"
++ac_cv_stdint_long_model="$ac_cv_stdint_long_model"
++ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t"
++ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t"
++ac_cv_type_intmax_t="$ac_cv_type_intmax_t"
++])
++])
diff --git a/package/libs/nettle/patches/0004-Added-auto-generated-nettle-config.h.patch b/package/libs/nettle/patches/0004-Added-auto-generated-nettle-config.h.patch
new file mode 100644
index 0000000000..c70ba450e1
--- /dev/null
+++ b/package/libs/nettle/patches/0004-Added-auto-generated-nettle-config.h.patch
@@ -0,0 +1,84 @@
+From 7508bb15de94b38402152757f75ff3e2094fdd86 Mon Sep 17 00:00:00 2001
+From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
+Date: Sun, 9 Mar 2014 13:27:03 +0100
+Subject: [PATCH 4/5] Added-auto-generated-nettle-config.h
+
+---
+ Makefile.in              | 4 ++--
+ bignum.h                 | 1 +
+ configure.ac             | 1 +
+ examples/ecc-benchmark.c | 1 +
+ nettle-config.h.in       | 6 ++++++
+ testsuite/testutils.h    | 1 +
+ 7 files changed, 13 insertions(+), 2 deletions(-)
+ create mode 100644 nettle-config.h.in
+
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -178,7 +178,7 @@ HEADERS = aes.h arcfour.h arctwo.h asn1.
+ 	  ecc-curve.h ecc.h ecdsa.h \
+ 	  gcm.h gosthash94.h hmac.h \
+ 	  knuth-lfib.h \
+-	  macros.h \
++	  macros.h nettle-config.h \
+ 	  md2.h md4.h \
+ 	  md5.h md5-compat.h \
+ 	  memxor.h \
+@@ -203,7 +203,7 @@ DISTFILES = $(SOURCES) $(HEADERS) getopt
+ 	config.h.in config.m4.in config.make.in	Makefile.in \
+ 	README AUTHORS COPYING.LESSERv3 COPYINGv2 COPYINGv3 \
+ 	INSTALL NEWS TODO ChangeLog \
+-	nettle.pc.in hogweed.pc.in \
++	nettle.pc.in hogweed.pc.in nettle-config.h.in \
+ 	$(des_headers) descore.README \
+ 	aes-internal.h camellia-internal.h serpent-internal.h \
+ 	cast128_sboxes.h desinfo.h desCode.h \
+--- a/bignum.h
++++ b/bignum.h
+@@ -34,6 +34,7 @@
+ #ifndef NETTLE_BIGNUM_H_INCLUDED
+ #define NETTLE_BIGNUM_H_INCLUDED
+ 
++#include "nettle-config.h"
+ #include "nettle-meta.h"
+ 
+ #ifdef USE_MINI_GMP
+--- a/configure.ac
++++ b/configure.ac
+@@ -10,6 +10,7 @@ AC_CONFIG_AUX_DIR([.])
+ AC_CONFIG_MACRO_DIR([.])
+ 
+ AC_CONFIG_HEADER([config.h])
++AC_CONFIG_HEADER([nettle-config.h])
+ 
+ LIBNETTLE_MAJOR=5
+ LIBNETTLE_MINOR=0
+--- a/examples/ecc-benchmark.c
++++ b/examples/ecc-benchmark.c
+@@ -47,6 +47,7 @@
+ #include "timing.h"
+ 
+ #undef USE_MINI_GMP
++#define NETTLE_CONFIG_H_INCLUDED
+ #include <gmp.h>
+ #include "../ecc.h"
+ #include "../ecc-internal.h"
+--- /dev/null
++++ b/nettle-config.h.in
+@@ -0,0 +1,6 @@
++#ifndef NETTLE_CONFIG_H_INCLUDED
++#define NETTLE_CONFIG_H_INCLUDED
++
++#undef USE_MINI_GMP
++
++#endif
+--- a/testsuite/testutils.h
++++ b/testsuite/testutils.h
+@@ -15,6 +15,7 @@
+ 
+ #if WITH_HOGWEED
+ # include <gmp.h>
++# define NETTLE_CONFIG_H_INCLUDED
+ # undef USE_MINI_GMP
+ # include "rsa.h"
+ # include "dsa-compat.h"
diff --git a/package/libs/nettle/patches/0005-allow-der-iterator-to-be-used-with-mini-gmp.patch b/package/libs/nettle/patches/0005-allow-der-iterator-to-be-used-with-mini-gmp.patch
new file mode 100644
index 0000000000..ef282623f6
--- /dev/null
+++ b/package/libs/nettle/patches/0005-allow-der-iterator-to-be-used-with-mini-gmp.patch
@@ -0,0 +1,29 @@
+From d71b3138cbdc3852c96a2639995f2d7f44b1c76c Mon Sep 17 00:00:00 2001
+From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
+Date: Sat, 29 Mar 2014 09:12:41 +0100
+Subject: [PATCH 5/5] allow der-iterator to be used with mini-gmp
+
+---
+ der-iterator.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/der-iterator.c
++++ b/der-iterator.c
+@@ -38,7 +38,7 @@
+ #include <assert.h>
+ #include <stdlib.h>
+ 
+-#if HAVE_LIBGMP
++#if defined(HAVE_LIBGMP) || defined(USE_MINI_GMP)
+ #include "bignum.h"
+ #endif
+ 
+@@ -254,7 +254,7 @@ asn1_der_get_uint32(struct asn1_der_iter
+   return 1;
+ }
+ 
+-#if HAVE_LIBGMP
++#if defined(HAVE_LIBGMP) || defined(USE_MINI_GMP)
+ int
+ asn1_der_get_bignum(struct asn1_der_iterator *i,
+ 		    mpz_t x, unsigned max_bits)