From 38a8aa516e0fa315e318801e5399f82e51efa8df Mon Sep 17 00:00:00 2001
From: Jordi Vilalta Prat
Date: Tue, 6 May 2008 03:00:26 +0000
Subject: Allow static and dynamic plugins to be used at the same time

svn-id: r31888
---
 configure | 139 +++++++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 105 insertions(+), 34 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index aecd15d95e..4e6101a2b0 100755
--- a/configure
+++ b/configure
@@ -106,6 +106,7 @@ _endian=unknown
 _need_memalign=no
 _have_x86=no
 _build_plugins=no
+_plugins_default=static
 _nasm=auto
 
 # more defaults
@@ -363,21 +364,33 @@ get_engine_sub() {
 
 # Enable the given engine
 engine_enable() {
-	engine=`echo $1 | sed 's/-/_/g'`
-	if test "`get_engine_build ${engine}`" = "no" ; then
-		eval _engine_${engine}_build=yes
+	# Get the parameter
+	if ( echo $1 | grep '=' ) 2> /dev/null > /dev/null ; then
+		eng=`echo $1 | cut -d '=' -f 1`
+		opt=`echo $1 | cut -d '=' -f 2`
+	else
+		eng=$1
+		opt=yes
+	fi
+	engine=`echo $eng | sed 's/-/_/g'`
+	if test "$opt" == "static" -o "$opt" == "dynamic" -o "$opt" == "yes" ; then
+		if test "`get_engine_build ${engine}`" != "$opt" ; then
+			eval _engine_${engine}_build=$opt
+		else
+			option_error
+		fi
 	else
-		option_error --enable-$1
+		option_error
 	fi
 }
 
 # Disable the given engine
 engine_disable() {
 	engine=`echo $1 | sed 's/-/_/g'`
-	if test "`get_engine_build $engine`" = "yes" ; then
+	if test "`get_engine_build $engine`" != "no" ; then
 		eval _engine_${engine}_build=no
 	else
-		option_error --disable-$1
+		option_error
 	fi
 }
 
@@ -420,27 +433,35 @@ show_subengine_help() {
 
 # Prepare the strings about the engines to build
 prepare_engine_build_strings() {
-	string_yes=`get_engine_build_string $1 yes`
-	if test -n "$string_yes" ; then
-		_engines_built="${_engines_built}#$string_yes@"
+	string=`get_engine_build_string $1 static`
+	if test -n "$string" ; then
+		_engines_built_static="${_engines_built_static}#$string@"
 	fi
 
-	string_no=`get_engine_build_string $1 no`
-	if test -n "$string_no" ; then
-		_engines_skipped="${_engines_skipped}#$string_no@"
+	string=`get_engine_build_string $1 dynamic`
+	if test -n "$string" ; then
+		_engines_built_dynamic="${_engines_built_dynamic}#$string@"
+	fi
+
+	string=`get_engine_build_string $1 no`
+	if test -n "$string" ; then
+		_engines_skipped="${_engines_skipped}#$string@"
 	fi
 }
 
 # Get the string about building an engine
 get_engine_build_string() {
 	engine_string=""
-	if test `get_engine_build $1` = no ; then
+	engine_build=`get_engine_build $1`
+	if test $engine_build = no ; then
+		# The engine is disabled
 		if test $2 = no ; then
 			engine_string=`get_engine_name $1`
 		else
 			engine_string=""
 		fi
 	else
+		# The engine is enabled, get the custom string
 		build_string_func=get_${1}_build_string
 		if ( type $build_string_func | grep function ) 2> /dev/null > /dev/null ; then
 			engine_string=`$build_string_func $1 $2`
@@ -448,12 +469,16 @@ get_engine_build_string() {
 			engine_string=`get_subengines_build_string $1 $2`
 		fi
 
-		if test $2 = yes ; then
-			engine_string="`get_engine_name $1` $engine_string"
-		else
+		if test $2 = no ; then
 			if test -n "$engine_string" ; then
 				engine_string="`get_engine_name $1` $engine_string"
 			fi
+		else
+			if test $2 = $engine_build ; then
+				engine_string="`get_engine_name $1` $engine_string"
+			else
+				engine_string=""
+			fi
 		fi
 	fi
 
@@ -471,7 +496,7 @@ get_subengines_build_string() {
 			all=no
 		fi
 	done
-	if test $2 = yes ; then
+	if test $2 != no ; then
 		if test -n "$subengine_string" ; then
 			if test $all = yes ; then
 				subengine_string="[all games]"
@@ -484,7 +509,7 @@ get_subengines_build_string() {
 
 # Engine specific build strings
 get_sword1_build_string() {
-	if test $2 = yes ; then
+	if test $2 != no ; then
 		if test "$_mpeg2" = yes ; then
 			echo "(w/ mpeg2 cutscenes)"
 		else
@@ -498,7 +523,7 @@ get_sword2_build_string() {
 }
 
 get_scumm_build_string() {
-	if test $2 = yes ; then
+	if test $2 != no ; then
 		base="[v0-v6 games]"
 	fi
 	get_subengines_build_string $1 $2 "$base"
@@ -551,8 +576,8 @@ Optional Features:
   --disable-debug          disable building with debugging symbols
   --enable-Werror          treat warnings as errors
 $engines_help
-  --enable-plugins         build engines as loadable modules instead of
-                           static linking them
+  --enable-plugins         enable the support for dynamic plugins
+  --default-dynamic        make plugins dynamic by default
   --disable-mt32emu        don't enable the integrated MT-32 emulator
   --disable-hq-scalers     exclude HQ2x and HQ3x scalers
   --disable-scalers        exclude scalers
@@ -630,6 +655,7 @@ for ac_option in $@; do
 	--disable-mpeg2)          _mpeg2=no       ;;
 	--disable-fluidsynth)     _fluidsynth=no  ;;
 	--enable-plugins)         _build_plugins=yes ;;
+	--default-dynamic)        _plugins_default=dynamic ;;
 	--enable-mt32emu)         _mt32emu=yes    ;;
 	--disable-mt32emu)        _mt32emu=no     ;;
 	--with-fluidsynth-prefix=*)
@@ -725,7 +751,7 @@ for ac_option in $@; do
 		engine_disable `echo $ac_option | cut -d '-' -f 4-`
 		;;
 	*)
-		option_error $ac_option
+		option_error
 		;;
 	esac;
 done;
@@ -897,12 +923,6 @@ if test "$_cxx_major" -ge "3" ; then
 	add_line_to_config_mk 'HAVE_GCC3 = 1'
 fi;
 
-#
-# Engine selection
-#
-for engine in $_engines; do
-	add_to_config_mk_if_no `get_engine_build $engine` "DISABLE_`echo $engine | tr [a-z] [A-Z]` = 1"
-done
 add_to_config_mk_if_no $_build_hq_scalers   'DISABLE_HQ_SCALERS = 1'
 add_to_config_mk_if_no $_build_scalers      'DISABLE_SCALERS = 1'
 
@@ -1532,22 +1552,73 @@ DEFINES="$DEFINES -DPLUGIN_DIRECTORY=\\\"$_libdir/scummvm\\\""
 
 
 #
-# Show which engines ("frontends") are to be built
+# Engine selection
 #
-
-_engines_built=""
+_engines_built_static=""
+_engines_built_dynamic=""
 _engines_skipped=""
 
 for engine in $_engines; do
 	if test "`get_engine_sub $engine`" = "no" ; then
+		# It's a main engine
+		if test `get_engine_build $engine` = no ; then
+			isbuilt=no
+		else
+			# If dynamic plugins aren't supported, mark
+			# all the engines as static
+			if test $_build_plugins = no ; then
+				eval _engine_${engine}_build=static
+			else
+				# If it wasn't explicitly marked as static or
+				# dynamic, use the configured default
+				if test `get_engine_build $engine` = yes ; then
+					eval _engine_${engine}_build=${_plugins_default}
+				fi
+			fi
+
+			# Prepare the defines
+			if test `get_engine_build $engine` = dynamic ; then
+				isbuilt=DYNAMIC_PLUGIN
+			else
+				eval _engine_${engine}_build=static
+				isbuilt=STATIC_PLUGIN
+			fi
+		fi
+
+		# Prepare the information to be shown
 		prepare_engine_build_strings $engine
+	else
+		# It's a subengine, just say yes or no
+		if test "`get_engine_build $engine`" = "no" ; then
+			isbuilt=no
+		else
+			isbuilt=1
+		fi
+	fi
+
+	# Save the settings
+	defname="ENABLE_`echo $engine | tr [a-z] [A-Z]`"
+	if test "$isbuilt" = "no" ; then
+		add_line_to_config_mk "# $defname"
+	else
+		add_line_to_config_mk "$defname = $isbuilt"
 	fi
 done
 
+#
+# Show which engines ("frontends") are to be built
+#
 echo
-if test -n "$_engines_built" ; then
-	echo "Engines:"
-	echo $_engines_built | sed 's/@/\
+if test -n "$_engines_built_static" ; then
+	echo "Engines (builtin):"
+	echo $_engines_built_static | sed 's/@/\
+/g
+s/#/    /g'
+fi
+
+if test -n "$_engines_built_dynamic" ; then
+	echo "Engines (plugins):"
+	echo $_engines_built_dynamic | sed 's/@/\
 /g
 s/#/    /g'
 fi
-- 
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