Initial commit

backends/platform/libretro/scripts/configure_engines.sh

@@ -0,0 +1,119 @@
+#!/bin/bash
+
+ # Copyright (C) 2022 Giovanni Cascione <ing.cascione@gmail.com>
+ #
+ # This program is free software: you can redistribute it and/or modify
+ # it under the terms of the GNU General Public License as published by
+ # the Free Software Foundation, either version 3 of the License, or
+ # (at your option) any later version.
+ #
+ # This program is distributed in the hope that it will be useful,
+ # but WITHOUT ANY WARRANTY; without even the implied warranty of
+ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ # GNU General Public License for more details.
+ #
+ # You should have received a copy of the GNU General Public License
+ # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Externally passed variables shall be:
+
+# $1     [REQ] BUILD_PATH
+# $2     [REQ] SCUMMVM_PATH
+# $3     [REQ] NO_WIP [0,1]
+# $4     [REQ] STATIC_LINKING [0,1]
+# $5     [REQ] LITE [0,1,2]
+# $[...] [OPT] Engines dependencies/components not available
+
+set -e
+
+# Exit if in parameters are not provided
+if [ -z $1 ] || [ -z $2 ] || [ -z $3 ] || [ -z $4 ] || [ -z $5 ] ; then
+	exit 1
+fi
+
+# Get parameters
+BUILD_PATH="$1"
+shift
+SCUMMVM_PATH="$1"
+shift
+NO_WIP=$1
+shift
+STATIC_LINKING=$1
+shift
+LITE=$1
+shift
+no_deps_comps=$@
+
+cd "${SCUMMVM_PATH}"
+
+# Retrieve all configure functions
+sed -i.bak -e "s/exit 0/return 0/g" configure
+. configure -h > /dev/null 2>&1
+mv configure.bak configure > /dev/null 2>&1
+
+_parent_engines_list=""
+tot_deps=""
+
+# Separate unavailable dependencies from components
+for item in $no_deps_comps ; do
+	case $item in
+		component_*)
+			append_var no_comps "${item#component_}"
+			;;
+		*)
+			append_var no_deps "${item}"
+			;;
+	esac
+done
+
+# Test NO_WIP
+[ $NO_WIP -ne 1 ] && engine_enable_all
+
+# Test LITE
+[ $LITE -ne 0 ] && engine_disable_all
+
+if [ $LITE -eq 1 ] ; then
+	for eng in $(cat "${BUILD_PATH}"/lite_engines.list) ; do
+		engine_enable "$eng"
+	done
+fi
+
+# Define engines list
+for a in $_engines ; do
+	# Collect all default engines dependencies and force to yes
+	for dep in $(get_var _engine_${a}_deps) ; do
+		found=0
+		for rec_dep in $tot_deps ; do
+			[ $dep = $rec_dep ] && found=1
+		done
+		[ $found -eq 0 ] && append_var tot_deps "$dep"
+	done
+done
+
+# Set all deps to yes then set no for the one in no_deps list. Engines will be disabled in engines.awk if needed
+for dep in $tot_deps ; do
+	set_var _$dep yes
+done
+for dep in $no_deps ; do
+	set_var _$dep no
+done
+# Disable unavailable components
+for comp in $(get_var _components); do
+	for dep in $no_comps ; do
+		if [ $comp = $dep ] ; then
+			set_var _feature_${comp}_settings no
+			break
+		fi
+	done
+done
+
+# Create needed engines build files
+awk -f "./engines.awk" < /dev/null > /dev/null 2>&1
+
+mkdir -p "engines"
+
+copy_if_changed engines/engines.mk.new "engines/engines.mk"
+copy_if_changed engines/detection_table.h.new "engines/detection_table.h"
+copy_if_changed engines/plugins_table.h.new "engines/plugins_table.h"
+
+echo 0