#!/bin/bash
# pkg-config wrapper for cross-compiling against a sysroot
#
# The list of directories to search is based on running:
#   $ pkg-config --debug 2>&1 | grep -E "#[0-9]+"

script_name="$(basename "$0")"
host_type="${script_name%-sysroot-pkg-config}"
host_multiarch="$(dpkg-architecture -t"${host_type}" -qDEB_HOST_MULTIARCH 2>/dev/null)"
build_multiarch="$(dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)"

PKG_CONFIG_SYSROOT_DIR="$SYSROOT"

PKG_CONFIG_LIBDIR="${SYSROOT}/usr/local/lib/${host_multiarch}/pkgconfig"

# If it's a native build then add a non-multiarch aware library directory
if [ "${build_multiarch}" == "${host_multiarch}" ]; then
  PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR}:${SYSROOT}/usr/local/lib/pkgconfig"
fi

PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR}:${SYSROOT}/usr/local/share/pkgconfig"
PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR}:${SYSROOT}/usr/lib/${host_multiarch}/pkgconfig"

# If it's a native build then add a non-multiarch aware library directory
if [ "${build_multiarch}" == "${host_multiarch}" ]; then
  PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR}:${SYSROOT}/usr/lib/pkgconfig"
fi

PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR}:${SYSROOT}/usr/share/pkgconfig"

export PKG_CONFIG_SYSROOT_DIR PKG_CONFIG_LIBDIR

exec pkg-config "$@"