#!/bin/sh # Copyright 2008 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: $ # # This creates a pkg-config frontend that has the form TARGET-pkg-config # as this is the utility that autoconf scripts will automatically search # for when cross-compiling for TARGET. Here we setup the pkg config env # paths so that the .pc files that are searched and used come from the # staging directory rather than the host system. # # # Helper functions. So very helpful. # msg_to_stderr() { echo "cross-pkg-config: $*" 1>&2 ; } warn() { msg_to_stderr "warning: $*" ; } error() { msg_to_stderr "error: $*" exit 1 } # # Sanity/distro checks # if ver=$(pkg-config --version) ; then if [ ${ver#0.1} != ${ver} ] ; then error pkg-config is too old ... upgrade it fi else error unable to find pkg-config in PATH fi unset EXTRA_PKG_CONFIG_LIBDIR if [ -n "${ROOT}" ] ; then # Gentoo SYSROOT=${ROOT} elif [ -n "${STAGEDIR}" ] ; then # uClinux-dist SYSROOT=${STAGEDIR} EXTRA_PKG_CONFIG_LIBDIR=${UCLINUX_PKG_CONFIG_LIBDIR} else error "Need \$ROOT or \$STAGEDIR set first" fi # abort infinite loop due to misconfiguration [ "${0##*/}" = "pkg-config" ] && error "aborting infinite loop! (make sure to delete uClinux-dist/tools/pkg-config)" # # Some distributions pollute the pkg-config environment. # Time to pull a captain planet on them. # unset PKG_CONFIG_PATH unset PKG_CONFIG_ALLOW_SYSTEM_CFLAGS unset PKG_CONFIG_ALLOW_SYSTEM_LIBS # # Set the pkg-config search paths to our staging directory. # export PKG_CONFIG_LIBDIR="${SYSROOT}/usr/lib/pkgconfig:${SYSROOT}/usr/share/pkgconfig" if [ -n "${EXTRA_PKG_CONFIG_LIBDIR}" ] ; then EXTRA_CONFIG_LIBDIR="${EXTRA_PKG_CONFIG_LIBDIR}:${PKG_CONFIG_LIBDIR}" fi # # Sanity check the output to catch common errors that do not # cause failures until much later on. # output=$(pkg-config "$@") ret=$? case " ${output} " in *" -L/usr/lib "*|*" -L/usr/local/lib "*|\ *" -L /usr/lib "*|*" -L /usr/local/lib "*|\ *" -L/usr/lib64 "*|*" -L/usr/local/lib64 "*|\ *" -L /usr/lib64 "*|*" -L /usr/local/lib64 "*) warn "### falling down so here is a dump state ######" export PKG_CONFIG_DEBUG_SPEW="yes" pkg-config --debug "$@" 1>&2 warn "### end of dump ###############################" error "host -L paths detected: ${output}" ;; *" -I/usr/include"*|*" -I/usr/local/include"*) warn "### falling down so here is a dump state ######" export PKG_CONFIG_DEBUG_SPEW="yes" pkg-config --debug "$@" 1>&2 warn "### end of dump ###############################" error "host -I paths detected: ${output}" ;; esac [ -n "${output}" ] && echo "${output}" exit ${ret}