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# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.104 2011/08/07 22:53:28 vapier Exp $
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# @ECLASS: autotools.eclass
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# @MAINTAINER:
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# base-system@gentoo.org
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# @BLURB: Regenerates auto* build scripts
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# @DESCRIPTION:
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# This eclass is for safely handling autotooled software packages that need to
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# regenerate their build scripts. All functions will abort in case of errors.
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#
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# NB: If you add anything, please comment it!
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inherit eutils libtool
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# @ECLASS-VARIABLE: WANT_AUTOCONF
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# @DESCRIPTION:
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# The major version of autoconf your package needs
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: ${WANT_AUTOCONF:=latest}
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# @ECLASS-VARIABLE: WANT_AUTOMAKE
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# @DESCRIPTION:
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# The major version of automake your package needs
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: ${WANT_AUTOMAKE:=latest}
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# @ECLASS-VARIABLE: WANT_LIBTOOL
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# @DESCRIPTION:
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# Do you want libtool? Valid values here are "latest" and "none".
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: ${WANT_LIBTOOL:=latest}
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# @ECLASS-VARIABLE: _LATEST_AUTOMAKE
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# @INTERNAL
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# @DESCRIPTION:
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# CONSTANT!
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# The latest major version/slot of automake available on each arch.
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# If a newer version is stable on any arch, and is NOT reflected in this list,
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# then circular dependencies may arise during emerge @system bootstraps.
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# Do NOT change this variable in your ebuilds!
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_LATEST_AUTOMAKE='1.11'
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_automake_atom="sys-devel/automake"
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_autoconf_atom="sys-devel/autoconf"
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if [[ -n ${WANT_AUTOMAKE} ]]; then
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case ${WANT_AUTOMAKE} in
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none) _automake_atom="" ;; # some packages don't require automake at all
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# if you change the "latest" version here, change also autotools_run_tool
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# this MUST reflect the latest stable major version for each arch!
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latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
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*) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
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esac
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export WANT_AUTOMAKE
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fi
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if [[ -n ${WANT_AUTOCONF} ]] ; then
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case ${WANT_AUTOCONF} in
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none) _autoconf_atom="" ;; # some packages don't require autoconf at all
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2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
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# if you change the “latest” version here, change also autotools_run_tool
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latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
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*) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;;
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esac
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export WANT_AUTOCONF
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fi
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_libtool_atom="sys-devel/libtool"
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if [[ -n ${WANT_LIBTOOL} ]] ; then
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case ${WANT_LIBTOOL} in
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none) _libtool_atom="" ;;
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latest) ;;
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*) _libtool_atom="INCORRECT-WANT_LIBTOOL-SETTING-IN-EBUILD" ;;
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esac
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export WANT_LIBTOOL
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fi
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AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
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RDEPEND=""
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# @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
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# @DESCRIPTION:
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# Set to 'no' to disable automatically adding to DEPEND. This lets
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# ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
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# their own DEPEND string.
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: ${AUTOTOOLS_AUTO_DEPEND:=yes}
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if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
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DEPEND=${AUTOTOOLS_DEPEND}
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fi
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unset _automake_atom _autoconf_atom
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# @ECLASS-VARIABLE: AM_OPTS
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Additional options to pass to automake during
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# eautoreconf call.
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# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Don't run elibtoolize command if set to 'yes',
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# useful when elibtoolize needs to be ran with
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# particular options
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# XXX: M4DIR should be deprecated
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# @ECLASS-VARIABLE: AT_M4DIR
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# @DESCRIPTION:
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# Additional director(y|ies) aclocal should search
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: ${AT_M4DIR:=${M4DIR}}
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# @FUNCTION: eautoreconf
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# @DESCRIPTION:
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# This function mimes the behavior of autoreconf, but uses the different
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# eauto* functions to run the tools. It doesn't accept parameters, but
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# the directory with include files can be specified with AT_M4DIR variable.
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#
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# Should do a full autoreconf - normally what most people will be interested in.
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# Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
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eautoreconf() {
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local x auxdir g
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if [[ -z ${AT_NO_RECURSIVE} ]]; then
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# Take care of subdirs
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for x in $(autotools_get_subdirs); do
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if [[ -d ${x} ]] ; then
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pushd "${x}" >/dev/null
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AT_NOELIBTOOLIZE="yes" eautoreconf
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popd >/dev/null
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fi
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done
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fi
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auxdir=$(autotools_get_auxdir)
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einfo "Running eautoreconf in '${PWD}' ..."
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[[ -n ${auxdir} ]] && mkdir -p ${auxdir}
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eaclocal
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[[ ${CHOST} == *-darwin* ]] && g=g
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if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
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_elibtoolize --copy --force --install
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else
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_elibtoolize --copy --force
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fi
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eautoconf
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eautoheader
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FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
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[[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
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# Call it here to prevent failures due to elibtoolize called _before_
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# eautoreconf. We set $S because elibtoolize runs on that #265319
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S=${PWD} elibtoolize
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return 0
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}
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# @FUNCTION: eaclocal
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# @DESCRIPTION:
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# These functions runs the autotools using autotools_run_tool with the
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# specified parametes. The name of the tool run is the same of the function
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# without e prefix.
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# They also force installing the support files for safety.
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# Respects AT_M4DIR for additional directories to search for macro's.
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eaclocal() {
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local aclocal_opts
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local amflags_file
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for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
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[[ -e ${amflags_file} ]] || continue
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# setup the env in case the pkg does something crazy
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# in their ACLOCAL_AMFLAGS. like run a shell script
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# which turns around and runs autotools #365401
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autotools_env_setup
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aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
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eval aclocal_opts=\"${aclocal_opts}\"
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break
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done
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[[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
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autotools_run_tool aclocal $(autotools_m4dir_include) "$@" ${aclocal_opts}
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}
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# @FUNCTION: _elibtoolize
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# @DESCRIPTION:
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# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
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# libtool.eclass.
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_elibtoolize() {
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local opts g=
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# Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
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# check for both it and the current AC_PROG_LIBTOOL)
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[[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
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[[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
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[[ ${CHOST} == *-darwin* ]] && g=g
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autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
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# Need to rerun aclocal
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eaclocal
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}
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# @FUNCTION: eautoheader
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# @DESCRIPTION:
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# Runs autoheader.
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eautoheader() {
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# Check if we should run autoheader
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[[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
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NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
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}
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# @FUNCTION: eautoconf
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# @DESCRIPTION:
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# Runs autoconf.
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eautoconf() {
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if [[ ! -f configure.ac && ! -f configure.in ]] ; then
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echo
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eerror "No configure.{ac,in} present in '${PWD}'!"
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echo
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die "No configure.{ac,in} present!"
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fi
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autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
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}
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# @FUNCTION: eautomake
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# @DESCRIPTION:
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# Runs automake.
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eautomake() {
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local extra_opts
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local makefile_name
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# Run automake if:
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# - a Makefile.am type file exists
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# - a Makefile.in type file exists and the configure
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# script is using the AM_INIT_AUTOMAKE directive
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for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
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[[ -f ${makefile_name} ]] && break
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done
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[[ -z ${makefile_name} ]] && return 0
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if [[ ${makefile_name} == *.in ]] ; then
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if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
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return 0
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fi
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elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
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local used_automake
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local installed_automake
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installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
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sed -e 's:.*(GNU automake) ::')
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used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
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sed -e 's:.*by automake \(.*\) from .*:\1:')
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if [[ ${installed_automake} != ${used_automake} ]]; then
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einfo "Automake used for the package (${used_automake}) differs from"
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einfo "the installed version (${installed_automake})."
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eautoreconf
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return 0
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fi
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fi
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[[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
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|| extra_opts="${extra_opts} --foreign"
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# --force-missing seems not to be recognized by some flavours of automake
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autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
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}
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# @FUNCTION: eautopoint
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# @DESCRIPTION:
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# Runs autopoint (from the gettext package).
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eautopoint() {
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autotools_run_tool autopoint "$@"
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}
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# Internal function to run an autotools' tool
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autotools_env_setup() {
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# We do the “latest” → version switch here because it solves
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# possible order problems, see bug #270010 as an example.
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if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
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local pv
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for pv in ${_LATEST_AUTOMAKE} ; do
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# has_version respects ROOT, but in this case, we don't want it to,
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# thus "ROOT=/" prefix:
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ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
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done
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[[ ${WANT_AUTOMAKE} == "latest" ]] && \
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die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
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fi
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[[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
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}
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autotools_run_tool() {
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if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
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ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
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fi
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autotools_env_setup
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local STDERR_TARGET="${T}/$1.out"
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# most of the time, there will only be one run, but if there are
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# more, make sure we get unique log filenames
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if [[ -e ${STDERR_TARGET} ]] ; then
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local i=1
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while :; do
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STDERR_TARGET="${T}/$1-${i}.out"
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[[ -e ${STDERR_TARGET} ]] || break
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: $(( i++ ))
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done
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fi
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printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
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ebegin "Running $@"
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"$@" >> "${STDERR_TARGET}" 2>&1
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eend $?
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if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
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echo
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eerror "Failed Running $1 !"
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eerror
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eerror "Include in your bugreport the contents of:"
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eerror
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eerror " ${STDERR_TARGET}"
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echo
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die "Failed Running $1 !"
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fi
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}
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# Internal function to check for support
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autotools_check_macro() {
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[[ -f configure.ac || -f configure.in ]] || return 0
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local macro
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for macro ; do
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WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
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done
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return 0
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}
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# Internal function to get additional subdirs to configure
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autotools_get_subdirs() {
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local subdirs_scan_out
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subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
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[[ -n ${subdirs_scan_out} ]] || return 0
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echo "${subdirs_scan_out}" | gawk \
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'($0 !~ /^[[:space:]]*(#|dnl)/) {
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if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
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print res[1]
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}' | uniq
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return 0
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}
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autotools_get_auxdir() {
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local auxdir_scan_out
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auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
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[[ -n ${auxdir_scan_out} ]] || return 0
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echo ${auxdir_scan_out} | gawk \
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'($0 !~ /^[[:space:]]*(#|dnl)/) {
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if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
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print res[1]
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}' | uniq
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return 0
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}
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autotools_m4dir_include() {
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[[ -n ${AT_M4DIR} ]] || return
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local include_opts=
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for x in ${AT_M4DIR} ; do
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case "${x}" in
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"-I")
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# We handle it below
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;;
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*)
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[[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
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include_opts="${include_opts} -I ${x}"
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;;
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esac
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done
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echo $include_opts
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}
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