/usr/bin/antlr-config is in libantlr-dev 2.7.7+dfsg-6.
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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86  | #!/bin/sh
# scripts/antlr-config.  Generated from antlr-config.in by configure.
prefix=/usr
exec_prefix=${prefix}
datadir=${prefix}/share
libdir=${exec_prefix}/lib
includedir=${prefix}/include
usage()
{
	cat <<EOF
Usage: antlr-config [OPTIONS] [LIBRARIES]
Options:
	[--prefix[=DIR]]
	[--exec-prefix[=DIR]]
	[--version]
	[--libs]
	[--cflags]
	[--cxxflags]
Libraries:
	libantlr.a
EOF
	exit $1
}
if test $# -eq 0; then
	usage 1 1>&2
fi
includes=""
libs=""
while test $# -gt 0; do
	case "$1" in
		-*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
		*) optarg= ;;
	esac
	case $1 in
	--prefix)
		echo_prefix=yes
      ;;
	--exec-prefix)
		echo_exec_prefix=yes
      ;;
	--version)
		echo 2.7.7
      exit 0
      ;;
	--cflags|--cxxflags|-cxxflags)
      includes="-I${includedir}"
      echo_cflags="yes"
      ;;
	--libs)
      case gcc in
        cl|bcc32)
          libs="${libdir}/antlr.lib"
          ;;
          *)
          libs="${libdir}/libantlr.a"
          ;;
      esac
      echo_libs=yes
      ;;
	*)
      usage 1 1>&2
      ;;
		esac
	shift
done
if test "$echo_prefix" = "yes"; then
	echo $prefix
fi
if test "$echo_exec_prefix" = "yes"; then
	echo $exec_prefix
fi
if test "$echo_cflags" = "yes"; then
	echo $includes
fi
if test "$echo_libs" = "yes"; then
	echo "${libs}"
fi
exit 0
 |