pkg-config

#!/bin/sh

set -eu

# ugly, but "good enough" for this test
# This will need to be updated whenever cabal invokes pkg-config
# in new ways
case "$*" in
  '--version')
    echo 2.1.0  # whatever
    ;;

  '--variable pc_path pkg-config')
    echo '.'
    ;;

  '--list-all')
    printf 'zlib   zlib - zlib compression library\n'
    # \256 = \xAE is the iso-8859-1 (latin-1) encoded version of U+00AE,
    # i.e. the "registered sign": ®
    # This resulted in problems, see #9608
    printf 'vpl    Intel\256 Video Processing Library - Accelerated video decode, encode, and frame processing capabilities on Intel\256 GPUs\n'
    # \360 = \xF0 is latin-1 for ð; this is orð, Icelandic for "word"/"words".
    printf 'or\360   Icelandic characters\n'
    ;;

  '--modversion '*)
    shift  # drop the --modversion
    for arg; do
      case "$arg" in
        zlib) echo 1.3; ;;  # whatever
        vpl) echo 2.10; ;;  # whatever
        # No entry for orð here; let's not even try to match on that
        *)
          echo >&2 "Package $arg was not found in the pkg-config search path."
          exit 1
      esac
    done
    ;;

  # Ignore some stuff we're not implementing
  '--cflags '*) ;;
  '--libs '*) ;;

  *)
    echo >&2 "pkg-config: unrecognised arguments $* (this is an incomplete shim)"
    exit 1
    ;;
esac