2013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>

	* configure.ac: Fail if dv-sockser.o not available.
	Error when --disable-sim-hardware is specified.
	* configure: Regenerated.

3 files changed, 147 insertions, 2 deletions

diff --git a/sim/frv/ChangeLog b/sim/frv/ChangeLog
index c9af6e8..0dded85 100644
--- a/sim/frv/ChangeLog
+++ b/sim/frv/ChangeLog
@@ -1,3 +1,9 @@
+2013-03-23  Joel Sherrill  <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Fail if dv-sockser.o not available.
+	Error when --disable-sim-hardware is specified.
+	* configure: Regenerated.
+
 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
 
 	* config.in, configure: Regenerate.
diff --git a/sim/frv/configure b/sim/frv/configure
index 84ee783..297873a 100755
--- a/sim/frv/configure
+++ b/sim/frv/configure
@@ -601,6 +601,7 @@ ac_includes_default="\
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 cgen_breaks
+SIM_DV_SOCKSER_O
 sim_trapdump
 cgen
 cgendir
@@ -769,6 +770,7 @@ enable_sim_default_model
 enable_sim_environment
 enable_cgen_maint
 enable_sim_trapdump
+enable_sim_hardware
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1418,6 +1420,7 @@ Optional Features:
   --enable-sim-environment=environment	Specify mixed, user, virtual or operating environment.
   --enable-cgen-maint=DIR    build cgen generated files
   --enable-sim-trapdump		Make unknown traps dump the registers
+  --enable-sim-hardware=LIST		Specify the hardware to be included in the build.
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -12274,7 +12277,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12277 "configure"
+#line 12280 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12380,7 +12383,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12383 "configure"
+#line 12386 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13310,6 +13313,134 @@ fi
 
 
 
+if test x"always" != x"no"; then
+  sim_hw_p=yes
+else
+  sim_hw_p=no
+fi
+if test """"; then
+  hardware=""""
+else
+  hardware="cfi core pal glue"
+fi
+hardware="$hardware """
+sim_hw_cflags="-DWITH_HW=1"
+sim_hw="$hardware"
+sim_hw_objs="\$(SIM_COMMON_HW_OBJS) `echo $sim_hw | sed -e 's/\([^ ][^ ]*\)/dv-\1.o/g'`"
+# Check whether --enable-sim-hardware was given.
+if test "${enable_sim_hardware+set}" = set; then :
+  enableval=$enable_sim_hardware;
+case "${enableval}" in
+  yes)	sim_hw_p=yes;;
+  no)	sim_hw_p=no;;
+  ,*)   sim_hw_p=yes; hardware="${hardware} `echo ${enableval} | sed -e 's/,/ /'`";;
+  *,)   sim_hw_p=yes; hardware="`echo ${enableval} | sed -e 's/,/ /'` ${hardware}";;
+  *)	sim_hw_p=yes; hardware="`echo ${enableval} | sed -e 's/,/ /'`"'';;
+esac
+if test "$sim_hw_p" != yes; then
+  sim_hw_objs=
+  sim_hw_cflags="-DWITH_HW=0"
+  sim_hw=
+else
+  sim_hw_cflags="-DWITH_HW=1"
+  # remove duplicates
+  sim_hw=""
+  sim_hw_objs="\$(SIM_COMMON_HW_OBJS)"
+  for i in $hardware ; do
+    case " $sim_hw " in
+      *" $i "*) ;;
+      *) sim_hw="$sim_hw $i" ; sim_hw_objs="$sim_hw_objs dv-$i.o";;
+    esac
+  done
+  # mingw does not support sockser
+  SIM_DV_SOCKSER_O=""
+  case ${host} in
+    *mingw*) ;;
+    *) SIM_DV_SOCKSER_O="dv-sockser.o"
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DV_SOCKSER 1
+_ACEOF
+
+       ;;
+  esac
+
+fi
+if test x"$silent" != x"yes" && test "$sim_hw_p" = "yes"; then
+  echo "Setting hardware to $sim_hw_cflags, $sim_hw, $sim_hw_objs"
+fi
+else
+
+if test "$sim_hw_p" != yes; then
+  if test "always" = "always"; then
+    as_fn_error "Sorry, but this simulator requires that hardware support
+be enabled. Please configure without --disable-hw-support." "$LINENO" 5
+  fi
+  sim_hw_objs=
+  sim_hw_cflags="-DWITH_HW=0"
+  sim_hw=
+fi
+if test x"$silent" != x"yes"; then
+  echo "Setting hardware to $sim_hw_cflags, $sim_hw, $sim_hw_objs"
+fi
+fi
+
+case " $hardware " in
+  *" cfi "*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking for log2 in -lm" >&5
+$as_echo_n "checking for log2 in -lm... " >&6; }
+if test "${ac_cv_lib_m_log2+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char log2 ();
+int
+main ()
+{
+return log2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_log2=yes
+else
+  ac_cv_lib_m_log2=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_log2" >&5
+$as_echo "$ac_cv_lib_m_log2" >&6; }
+if test "x$ac_cv_lib_m_log2" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBM 1
+_ACEOF
+
+  LIBS="-lm $LIBS"
+
+fi
+;;
+esac
+
+
+if test -z "$SIM_DV_SOCKSER_O"; then
+	as_fn_error "Sorry, but hardware support in this simulator
+unconditionally relies on dv-sockser.o which is unavailable for your host.
+Please fix this simulator." "$LINENO" 5
+fi
+
+
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
 while test -n "$ac_sources"; do
diff --git a/sim/frv/configure.ac b/sim/frv/configure.ac
index 7f2b7ed..68487ab 100644
--- a/sim/frv/configure.ac
+++ b/sim/frv/configure.ac
@@ -28,4 +28,12 @@ if test x"$silent" != x"yes" && test x"$sim_trapdump" != x""; then
 fi],[sim_trapdump=""])dnl
 AC_SUBST(sim_trapdump)
 
+SIM_AC_OPTION_HARDWARE(always,"","")
+
+if test -z "$SIM_DV_SOCKSER_O"; then
+	AC_MSG_ERROR([Sorry, but hardware support in this simulator
+unconditionally relies on dv-sockser.o which is unavailable for your host.
+Please fix this simulator.])
+fi
+
 SIM_AC_OUTPUT