Make retroarch-build.sh work outside of libretro-super.

Author: T. Joseph Carter

retroarch-build.sh

@@ -1,30 +1,21 @@
 #! /usr/bin/env bash
 # vim: set ts=3 sw=3 noet ft=sh : bash
 
-. ./libretro-config.sh
+SCRIPT="${0#./}"
+BASE_DIR="${SCRIPT%/*}"
+WORKDIR="$PWD"
 
-# BSDs don't have readlink -f
-read_link()
-{
-	TARGET_FILE="$1"
-	cd $(dirname "$TARGET_FILE")
-	TARGET_FILE=$(basename "$TARGET_FILE")
-
-	while [ -L "$TARGET_FILE" ]
-	do
-		TARGET_FILE=$(readlink "$TARGET_FILE")
-		cd $(dirname "$TARGET_FILE")
-		TARGET_FILE=$(basename "$TARGET_FILE")
-	done
-
-	PHYS_DIR=$(pwd -P)
-	RESULT="$PHYS_DIR/$TARGET_FILE"
-	echo $RESULT
-}
+if [ "$BASE_DIR" = "$SCRIPT" ]; then
+	BASE_DIR="$WORKDIR"
+else
+	if [[ "$0" != /* ]]; then
+		# Make the path absolute
+		BASE_DIR="$WORKDIR/$BASE_DIR"
+	fi
+fi
+
+. "$BASE_DIR/libretro-config.sh"
 
-SCRIPT=$(read_link "$0")
-echo "Script: $SCRIPT"
-BASE_DIR=$(dirname "$SCRIPT")
 if [ -z "$RARCH_DIST_DIR" ]; then
 	RARCH_DIR="$BASE_DIR/dist"
 	RARCH_DIST_DIR="$RARCH_DIR/$DIST_DIR"