Initial support for building the Dreamcast port using the configure

script.  Dynamic modules are not supported just yet.

svn-id: r39524

1 files changed, 39 insertions, 1 deletions

diff --git a/configure b/configure
index 54fec9d384..3a18d4611d 100755
--- a/configure
+++ b/configure
@@ -847,6 +847,13 @@ neuros)
 	_host_os=linux
 	_host_cpu=arm
 	;;
+dreamcast)
+	_host_os=dreamcast
+	_host_cpu=sh
+	_host_alias=sh-elf
+	CXXFLAGS="$CXXFLAGS -ml -m4-single-only"
+	LDFLAGS="$LDFLAGS -ml -m4-single-only"
+	;;
 *)
 	if test -z "$_host"; then
 		guessed_host=`$_srcdir/config.guess`
@@ -876,6 +883,9 @@ arm-riscos)
 gp2x-linux)
 	EXEEXT=".gp2x"
 	;;
+dreamcast)
+	EXEEXT=".elf"
+	;;
 *)
 	EXEEXT=""
 	;;
@@ -967,7 +977,7 @@ fi
 #
 if test "$_cxx_major" -ge "3" ; then
 	case $_host_os in
-	mingw* | cygwin*)
+	mingw* | cygwin* | dreamcast)
 		CXXFLAGS="$CXXFLAGS -W -Wno-unused-parameter"
 		;;
 	*)
@@ -1112,6 +1122,9 @@ case $_host_os in
 		type_2_byte='short'
 		type_4_byte='long'
 		;;
+	dreamcast)
+		DEFINES="$DEFINES -D__DC__ -DNONSTANDARD_PORT"
+		;;
 	# given this is a shell script assume some type of unix
 	*)
 		echo "WARNING: could not establish system type, assuming unix like"
@@ -1222,6 +1235,24 @@ if test -n "$_host"; then
 			_backend="iphone"
 			_build_hq_scalers="no"
 			;;
+		dreamcast)
+			echo "Cross-compiling to $_host, forcing endianness, alignment and type sizes"
+			DEFINES="$DEFINES -DDISABLE_DEFAULT_SAVEFILEMANAGER -DDISABLE_TEXT_CONSOLE -DDISABLE_COMMAND_LINE"
+			CXXFLAGS="$CXXFLAGS -O3 -Wno-multichar -funroll-loops -fschedule-insns2 -fomit-frame-pointer -fdelete-null-pointer-checks -fno-exceptions"
+			_endian=little
+			_need_memalign=yes
+			type_1_byte='char'
+			type_2_byte='short'
+			type_4_byte='int'
+			_backend="dc"
+			_build_scalers="no"
+			_build_hq_scalers="no"
+			_mad="yes"
+			_zlib="yes"
+			_ar="$_host_alias-ar cru"
+			_ranlib=$_host_alias-ranlib
+			add_line_to_config_mk 'include $(srcdir)/backends/platform/dc/dreamcast.mk'
+			;;
 		*)
 			echo "Continuing with auto-detected values ... if you have problems, please add your target to configure."
 			;;
@@ -1706,6 +1737,12 @@ case $_backend in
 		DEFINES="$DEFINES -DIPHONE_BACKEND"
 		MODULES="$MODULES backends/platform/iphone"
 		;;
+	dc)
+		INCLUDES="$INCLUDES "'-I$(srcdir)/backends/platform/dc -I$(ronindir)/include'
+		LDFLAGS="$LDFLAGS -Wl,-Ttext,0x8c010000 -nostartfiles "'$(ronindir)/lib/crt0.o -L$(ronindir)/lib'
+		LIBS="$LIBS -lronin -lm"
+		MODULES="$MODULES backends/platform/dc"
+		;;
 	*)
 		echo "support for $_backend backend not implemented in configure script yet"
 		exit 1
@@ -1888,6 +1925,7 @@ vpath %.c \$(srcdir)
 vpath %.m \$(srcdir)
 vpath %.asm \$(srcdir)
 vpath %.s \$(srcdir)
+vpath %.S \$(srcdir)
 include \$(srcdir)/Makefile
 EOF