X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgc-random.m4;h=04baed7a805bd52b89056c739ffa6d952b2ca438;hb=46f5f314f34a08c9305758482d7d2fdb0e999d09;hp=02cef2165ac371eb1edefe39163117af0f6c5556;hpb=216c04af3d0ae20181e266391d1bdc09c120404c;p=gnulib.git diff --git a/m4/gc-random.m4 b/m4/gc-random.m4 index 02cef2165..04baed7a8 100644 --- a/m4/gc-random.m4 +++ b/m4/gc-random.m4 @@ -1,5 +1,5 @@ -# gc-random.m4 serial 1 -dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc. +# gc-random.m4 serial 6 +dnl Copyright (C) 2005-2014 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. @@ -9,20 +9,22 @@ AC_DEFUN([gl_GC_RANDOM], # Devices with randomness. # FIXME: Are these the best defaults? - case "${target}" in - *-openbsd*) + AC_REQUIRE([AC_CANONICAL_HOST])dnl + + case "$host_os" in + *openbsd* | *mirbsd*) NAME_OF_RANDOM_DEVICE="/dev/srandom" NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/prandom" NAME_OF_NONCE_DEVICE="/dev/urandom" ;; - *-netbsd*) + *netbsd*) NAME_OF_RANDOM_DEVICE="/dev/srandom" NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/urandom" NAME_OF_NONCE_DEVICE="/dev/urandom" ;; - *-solaris* | *-irix* | *-dec-osf* ) + *solaris* | *irix* | *dec-osf* ) NAME_OF_RANDOM_DEVICE="/dev/random" NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/random" NAME_OF_NONCE_DEVICE="/dev/random" @@ -36,46 +38,50 @@ AC_DEFUN([gl_GC_RANDOM], 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)]), - test "$enableval" != "no" && NAME_OF_RANDOM_DEVICE=$enableval) - AC_MSG_RESULT($NAME_OF_RANDOM_DEVICE) + AC_ARG_ENABLE([random-device], + AS_HELP_STRING([--enable-random-device], + [device with (strong) randomness (for Nettle)]), + NAME_OF_RANDOM_DEVICE=$enableval) + AC_MSG_RESULT([$NAME_OF_RANDOM_DEVICE]) AC_MSG_CHECKING([device with pseudo random data...]) - AC_ARG_ENABLE(pseudo-random-device, - AC_HELP_STRING([--enable-pseudo-random-device], - [device with pseudo randomness (for Nettle)]), - test "$enableval" != "no" && NAME_OF_PSEUDO_RANDOM_DEVICE=$enableval) - AC_MSG_RESULT($NAME_OF_PSEUDO_RANDOM_DEVICE) + AC_ARG_ENABLE([pseudo-random-device], + AS_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)]), - test "$enableval" != "no" && NAME_OF_NONCE_DEVICE=$enableval) - AC_MSG_RESULT($NAME_OF_NONCE_DEVICE) + AC_ARG_ENABLE([nonce-device], + AS_HELP_STRING([--enable-nonce-device], + [device with unpredictable nonces (for Nettle)]), + NAME_OF_NONCE_DEVICE=$enableval) + AC_MSG_RESULT([$NAME_OF_NONCE_DEVICE]) if test "$cross_compiling" != yes; then - AC_CHECK_FILE($NAME_OF_RANDOM_DEVICE,, - AC_MSG_WARN([[device for (strong) random data `$NAME_OF_RANDOM_DEVICE' does not exist]])) - AC_CHECK_FILE($NAME_OF_PSEUDO_RANDOM_DEVICE,, - AC_MSG_WARN([[device for pseudo-random data `$NAME_OF_PSEUDO_RANDOM_DEVICE' does not exist]])) - AC_CHECK_FILE($NAME_OF_NONCE_DEVICE,, - AC_MSG_WARN([[device for unpredictable nonces `$NAME_OF_NONCE_DEVICE' does not exist]])) + if test "$NAME_OF_RANDOM_DEVICE" != "no"; then + AC_CHECK_FILE([$NAME_OF_RANDOM_DEVICE],, + AC_MSG_WARN([[Device '$NAME_OF_RANDOM_DEVICE' does not exist, consider to use --enable-random-device]])) + fi + if test "$NAME_OF_PSEUDO_RANDOM_DEVICE" != "no"; then + AC_CHECK_FILE([$NAME_OF_PSEUDO_RANDOM_DEVICE],, + AC_MSG_WARN([[Device '$NAME_OF_PSEUDO_RANDOM_DEVICE' does not exist, consider to use --enable-pseudo-random-device]])) + fi + if test "$NAME_OF_NONCE_DEVICE" != "no"; then + AC_CHECK_FILE([$NAME_OF_NONCE_DEVICE],, + AC_MSG_WARN([[Device '$NAME_OF_NONCE_DEVICE' does not exist, consider to use --enable-nonce-device]])) + fi else - AC_MSG_NOTICE([[Cross compiling, assuming random devices exists on the target host...]]) + AC_MSG_NOTICE([[Cross compiling, assuming random devices exists on the target host...]]) fi # FIXME?: Open+read 42 bytes+close twice and compare data. Should differ. - AC_DEFINE_UNQUOTED(NAME_OF_RANDOM_DEVICE, "$NAME_OF_RANDOM_DEVICE", + 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", + 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", + AC_DEFINE_UNQUOTED([NAME_OF_NONCE_DEVICE], ["$NAME_OF_NONCE_DEVICE"], [defined to the name of the unpredictable nonce device]) - - AC_DEFINE(GC_USE_RANDOM, 1, [Define if you want to support RNG through GC.]) ])