libxml2/xml2-config-meson at master · arthenica/libxml2 · GitHub

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#!/bin/sh

usage() {
    cat <<EOF
${2:+$2

}Usage: xml2-config <OPTION...>

Options:
  --prefix              print libxml prefix
  --prefix=DIR          change libxml prefix
  --libs                print library linking information
  --dynamic             skip libraries only necessary for static linking
  --cflags              print pre-processor and compiler flags
  --modules             module support enabled
  --help                display this help and exit
  --version             output version information
EOF
    exit "$1"
}

if [ "$#" -lt 1 ]; then
    usage 1 "Need at least one option."
fi

prefix=0
set_prefix=
libs=0
libflag=--static
cflags=0
modules=0
version=0

for arg in "$@"; do
    case $arg in
        --prefix)   prefix=1 ;;
        --prefix=*) set_prefix="${arg#*=}" ;;
        --libs)     libs=1 ;;
        --dynamic)  libflag=--shared ;;
        --cflags)   cflags=1 ;;
        --modules)  modules=1 ;;
        --help)     usage 0 ;;
        --version)  version=1 ;;
        *)          usage 1 "Unknown option: $arg" ;;
    esac
done

set --
[ "$prefix"  -eq 1 ] && set -- "$@" --variable=prefix
[ -n "$set_prefix" ] && set -- "$@" --define-variable=prefix="$set_prefix"
[ "$libs"    -eq 1 ] && set -- "$@" --libs "$libflag"
[ "$cflags"  -eq 1 ] && set -- "$@" --cflags
[ "$modules" -eq 1 ] && set -- "$@" --variable=modules
[ "$version" -eq 1 ] && set -- "$@" --modversion

exec ${PKG_CONFIG:-pkg-config} "$@" libxml-2.0