X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgc.m4;h=f237d8dd3713efa7e3846551d898d09e4a1fd24e;hb=681846cee55a407a08a2bbdc7e1484870ba1a79f;hp=a36c2a9ace4c1ddfc6ad45882c8c7736875867c6;hpb=5a01cacc96ee92856fb958e1a9e16ba714245b3f;p=gnulib.git

diff --git a/m4/gc.m4 b/m4/gc.m4
index a36c2a9ac..f237d8dd3 100644
--- a/m4/gc.m4
+++ b/m4/gc.m4
@@ -1,102 +1,27 @@
-# gc.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc.m4 serial 6
+dnl Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_GC],
 [
-  AC_LIBSOURCES([gc.h, gc-gnulib.c, gc-libgcrypt.c])
-  AC_ARG_WITH(libgcrypt,
+  AC_ARG_WITH([libgcrypt],
     AS_HELP_STRING([--with-libgcrypt], [use libgcrypt for low-level crypto]),
     libgcrypt=$withval, libgcrypt=no)
   if test "$libgcrypt" != no; then
-    AC_LIB_HAVE_LINKFLAGS([gcrypt])
+    AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [#include <gcrypt.h>])
   fi
   if test "$ac_cv_libgcrypt" = yes; then
-    AC_CHECK_HEADER(gcrypt.h)
     AC_LIBOBJ([gc-libgcrypt])
   else
     AC_LIBOBJ([gc-gnulib])
-    gl_MD5
-    gl_MEMXOR
-    gl_HMAC_MD5
-
-    # Devices with randomness.
-    # FIXME: Are these the best defaults?
-
-    case "${target}" in
-      *-openbsd*)
-  	NAME_OF_RANDOM_DEVICE="/dev/srandom"
-  	NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/prandom"
-  	NAME_OF_NONCE_DEVICE="/dev/urandom"
-          ;;
-  
-      *-netbsd*)
-  	NAME_OF_RANDOM_DEVICE="/dev/srandom"
-  	NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/urandom"
-  	NAME_OF_NONCE_DEVICE="/dev/urandom"
-          ;;
-  
-      *-solaris* | *-irix* | *-dec-osf* )
-  	NAME_OF_RANDOM_DEVICE="/dev/random"
-  	NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/random"
-  	NAME_OF_NONCE_DEVICE="/dev/random"
-          ;;
-  
-      *)
-  	NAME_OF_RANDOM_DEVICE="/dev/random"
-  	NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/urandom"
-  	NAME_OF_NONCE_DEVICE="/dev/urandom"
-          ;;
-    esac
-  
-    AC_MSG_CHECKING([device with (strong) random data...])
-    AC_ARG_ENABLE(random-device,
-  	AC_HELP_STRING([--enable-random-device],
-  		[device with (strong) randomness (for Nettle)]),
-  	NAME_OF_RANDOM_DEVICE=$enableval)
-    AC_MSG_RESULT($NAME_OF_RANDOM_DEVICE)
-  
-    AC_MSG_CHECKING([device with pseudo random data...])
-    AC_ARG_ENABLE(pseudo-random-device,
-  	AC_HELP_STRING([--enable-pseudo-random-device],
-  		[device with pseudo randomness (for Nettle)]),
-  	NAME_OF_PSEUDO_RANDOM_DEVICE=$enableval)
-    AC_MSG_RESULT($NAME_OF_PSEUDO_RANDOM_DEVICE)
-  
-    AC_MSG_CHECKING([device with unpredictable data for nonces...])
-    AC_ARG_ENABLE(nonce-device,
-  	AC_HELP_STRING([--enable-nonce-device],
-  		[device with unpredictable nonces (for Nettle)]),
-  	NAME_OF_NONCE_DEVICE=$enableval)
-    AC_MSG_RESULT($NAME_OF_NONCE_DEVICE)
-  
-    if test "$cross_compiling" != yes; then
-      AC_CHECK_FILE($NAME_OF_RANDOM_DEVICE,, AC_MSG_ERROR([[
-        *** Device for (strong) random data $NAME_OF_RANDOM_DEVICE does not exist
-      ]]))
-      AC_CHECK_FILE($NAME_OF_PSEUDO_RANDOM_DEVICE,, AC_MSG_ERROR([[
-        *** Device for pseudo-random data $NAME_OF_PSEUDO_RANDOM_DEVICE does not exist
-      ]]))
-      AC_CHECK_FILE($NAME_OF_NONCE_DEVICE,, AC_MSG_ERROR([[
-        *** Device for unpredictable nonces $NAME_OF_NONCE_DEVICE does not exist
-      ]]))
-    else
-      AC_MSG_NOTICE([[Cross compiling, assuming random devices exists...]])  
-    fi
-  
-    # FIXME: Open+read 42 bytes+close twice and compare data.  Should differ.
-  
-    AC_DEFINE_UNQUOTED(NAME_OF_RANDOM_DEVICE, "$NAME_OF_RANDOM_DEVICE",
-                     [defined to the name of the (strong) random device])
-    AC_DEFINE_UNQUOTED(NAME_OF_PSEUDO_RANDOM_DEVICE,
-  			 "$NAME_OF_PSEUDO_RANDOM_DEVICE",
-                     [defined to the name of the pseudo random device])
-    AC_DEFINE_UNQUOTED(NAME_OF_NONCE_DEVICE, "$NAME_OF_NONCE_DEVICE",
-                     [defined to the name of the unpredictable nonce device])
   fi
 ])
 
 # Prerequisites of lib/gc.h
-AC_DEFUN([gl_PREREQ_GC], [:])
+AC_DEFUN([gl_PREREQ_GC],
+[
+  AC_REQUIRE([AC_C_RESTRICT])
+  :
+])