2002-03-03 Gaurav Vaish <gvaish@iitk.ac.in>

[mono.git] / configure.in

diff --git a/configure.in b/configure.in
index 0cb7b8b190916a24488a2cc8df96629b49faf636..f87828614975d2f5bda1439357881873e0886645 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@
 AC_INIT(README)
 AC_CANONICAL_SYSTEM
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(mono, 0.8)
+AM_INIT_AUTOMAKE(mono, 0.9)
 AM_MAINTAINER_MODE
 
 AC_CHECK_TOOL(CC, gcc, gcc)
@@ -306,6 +306,71 @@ else
        CFLAGS="$CFLAGS -mno-cygwin"
 fi
 
+dnl ****************************
+dnl *** Look for /dev/random ***
+dnl ****************************
+
+AC_MSG_CHECKING([if usage of random device is requested])
+AC_ARG_ENABLE(dev-random,
+[  --disable-dev-random    disable the use of the random device],
+try_dev_random=$enableval, try_dev_random=yes)
+AC_MSG_RESULT($try_dev_random)
+
+case "{$target}" in
+    *-openbsd*)
+    NAME_DEV_RANDOM="/dev/srandom"
+    ;;
+
+dnl Win32 does not have /dev/random, they have their own method...
+
+    *-*-mingw*|*-*-cygwin*)
+    ac_cv_have_dev_random = no
+    ;;
+
+dnl Everywhere else, it's /dev/random
+
+    *)
+    NAME_DEV_RANDOM="/dev/random"
+    ;;
+esac
+
+AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
+
+dnl Now check if the device actually exists
+
+if test "x$try_dev_random" = "xyes"; then
+    AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
+    [if test -r "$NAME_DEV_RANDOM" ; then
+        ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
+    if test "x$ac_cv_have_dev_random" = "xyes"; then
+        AC_DEFINE(HAVE_CRYPT_RNG)
+    fi
+else
+    AC_MSG_CHECKING(for random device)
+    ac_cv_have_dev_random=no
+    AC_MSG_RESULT(has been disabled)
+fi
+
+if test "x$platform_win32" = "xyes"; then
+    AC_DEFINE(HAVE_CRYPT_RNG)
+fi
+
+if test "x$ac_cv_have_dev_random" = "xno" \
+    && test "x$platform_win32" = "xno"; then
+    AC_MSG_WARN([[
+***
+*** A system-provided entropy source was not found on this system.
+*** Because of this, the System.Security.Cryptography random number generator
+*** will throw a NotImplemented exception.
+***
+*** If you are seeing this message, and you know your system DOES have an
+*** entropy collection in place, please contact <crichton@gimp.org> and
+*** provide information about the system and how to access the random device.
+***
+*** For those systems who lack a random device, EGD support is forthcoming.
+***]])
+fi
+ 
 if test "x$cross_compiling" = "xno"; then
 # check for new iconv version
 AC_MSG_CHECKING(for new iconv)
@@ -337,7 +402,7 @@ sparc*-*-*) TARGET=SPARC; arch_target=sparc; ACCESS_UNALIGNED="no";;
 #alpha*-*-linux* | alpha*-*-osf*) TARGET=ALPHA; ACCESS_UNALIGNED="no";;
 #m68k-*-linux*) TARGET=M68K;;
 powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; arch_target=ppc;;
-#arm-*-linux-*) TARGET=ARM; ACCESS_UNALIGNED="no";;
+arm-*-linux-*) TARGET=ARM; arch_target=arm; ACCESS_UNALIGNED="no";;
 esac
 
 if test ${TARGET} = unknown; then
@@ -371,6 +436,7 @@ mono/arch/Makefile
 mono/arch/x86/Makefile
 mono/arch/ppc/Makefile
 mono/arch/sparc/Makefile
+mono/arch/arm/Makefile
 mono/interpreter/Makefile
 mono/tests/Makefile
 mono/wrapper/Makefile