/usr/bin/openlayer-config is in libopenlayer-dev 2.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47  | #!/bin/sh
# openlayer-config autogenerated by cbuild script from the OpenLayer library
version=2.1\(SVN\)
prefix=/usr
cflags="-I$prefix/include -I$prefix/include/OpenLayer "
libs="-lopenlayer -lagl -lpng   -lz `allegro-config --libs` -lGL -lGLU"
usage()
{
    cat <<EOF
Usage: openlayer-config [OPTION]...
Known values for OPTION are:
  --libs                print library linking information
  --cflags              print pre-processor and compiler flags
  --version             output version information
EOF
    exit $1
}
if test $# -eq 0; then
    usage 1
fi
while test $# -gt 0; do
    case "$1" in
    -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
    *) optarg= ;;
    esac
    case "$1" in
    --version)
        echo $version
        ;;
    --cflags)
        echo $cflags
        ;;
    --libs)
        echo $libs
        ;;
    esac
    shift
done
 |