#!/bin/sh

if [ "$#" -eq 0 ]; then
	programname=`basename "$0"`
	echo "ERROR: No program supplied"
	echo
	echo "Usage: $programname <program>"
	exit 1
fi

MANGOHUD_LIB_NAME="@ld_libdir_mangohud@libMangoHud_opengl.so"

if [ "$1" = "--dlsym" ] || [ "$MANGOHUD_DLSYM" = "1" ]; then
	MANGOHUD_LIB_NAME="@ld_libdir_mangohud@libMangoHud_dlsym.so:${MANGOHUD_LIB_NAME}"
	shift
fi

if [ "$1" = "--version" ]; then
	echo @version@
	exit 0
fi

# Make sure we don't append mangohud lib multiple times
# otherwise this could cause issues with steam runtime
case ":${LD_PRELOAD-}:" in
    (*:$MANGOHUD_LIB_NAME:*)
        ;;
    (*)
	# Preload using the plain filenames of the libs, the dynamic linker will
	# figure out whether the 32 or 64 bit version should be used
        LD_PRELOAD="${LD_PRELOAD:+$LD_PRELOAD:}${MANGOHUD_LIB_NAME}"
esac


exec env MANGOHUD=1 LD_PRELOAD="${LD_PRELOAD}" "$@"