#!/bin/sh
script=${1+"$@"}
dir=/tmp/$$
src=$dir/app.m
bin=$dir/obj/app
mkdir $dir
cd $dir
cat <<'EOF' > GNUmakefile 
GNUSTEP_MAKEFILES=/usr/local/GNUstep/System/Library/Makefiles

include $(GNUSTEP_MAKEFILES)/common.make

TOOL_NAME = app
app_OBJC_FILES = app.m

include $(GNUSTEP_MAKEFILES)/tool.make
EOF
perl -nle 'print if 1<$. || !/^#!/' $script > $src
gmake 1>&2 && $bin
rm -r $dir