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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.101 2010/08/21 19:39:52 vapier Exp $
# @ECLASS: autotools.eclass
# @MAINTAINER:
# base-system@gentoo.org
# @BLURB: Regenerates auto* build scripts
# @DESCRIPTION:
# This eclass is for safely handling autotooled software packages that need to
# regenerate their build scripts. All functions will abort in case of errors.
#
# NB: If you add anything, please comment it!
inherit eutils libtool
# @ECLASS-VARIABLE: WANT_AUTOCONF
# @DESCRIPTION:
# The major version of autoconf your package needs
: ${WANT_AUTOCONF:=latest}
# @ECLASS-VARIABLE: WANT_AUTOMAKE
# @DESCRIPTION:
# The major version of automake your package needs
: ${WANT_AUTOMAKE:=latest}
# @ECLASS-VARIABLE: _LATEST_AUTOMAKE
# @INTERNAL
# @DESCRIPTION:
# CONSTANT!
# The latest major version/slot of automake available on each arch.
# If a newer version is stable on any arch, and is NOT reflected in this list,
# then circular dependencies may arise during emerge @system bootstraps.
# Do NOT change this variable in your ebuilds!
_LATEST_AUTOMAKE='1.11'
_automake_atom="sys-devel/automake"
_autoconf_atom="sys-devel/autoconf"
if [[ -n ${WANT_AUTOMAKE} ]]; then
case ${WANT_AUTOMAKE} in
none) _automake_atom="" ;; # some packages don't require automake at all
# if you change the "latest" version here, change also autotools_run_tool
# this MUST reflect the latest stable major version for each arch!
latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
*) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
esac
export WANT_AUTOMAKE
fi
if [[ -n ${WANT_AUTOCONF} ]] ; then
case ${WANT_AUTOCONF} in
none) _autoconf_atom="" ;; # some packages don't require autoconf at all
2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
# if you change the “latest” version here, change also autotools_run_tool
latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
*) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;;
esac
export WANT_AUTOCONF
fi
AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom}"
[[ ${CATEGORY}/${PN} != "sys-devel/libtool" ]] && AUTOTOOLS_DEPEND="${AUTOTOOLS_DEPEND} >=sys-devel/libtool-2.2.6b"
RDEPEND=""
# @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
# @DESCRIPTION:
# Set to 'no' to disable automatically adding to DEPEND. This lets
# ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
# their own DEPEND string.
: ${AUTOTOOLS_AUTO_DEPEND:=yes}
if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
DEPEND=${AUTOTOOLS_DEPEND}
fi
unset _automake_atom _autoconf_atom
# @ECLASS-VARIABLE: AM_OPTS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Additional options to pass to automake during
# eautoreconf call.
# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
# @DEFAULT_UNSET
# @DESCRIPTION:
# Don't run elibtoolize command if set to 'yes',
# useful when elibtoolize needs to be ran with
# particular options
# XXX: M4DIR should be deprecated
# @ECLASS-VARIABLE: AT_M4DIR
# @DESCRIPTION:
# Additional director(y|ies) aclocal should search
: ${AT_M4DIR:=${M4DIR}}
# @FUNCTION: eautoreconf
# @DESCRIPTION:
# This function mimes the behavior of autoreconf, but uses the different
# eauto* functions to run the tools. It doesn't accept parameters, but
# the directory with include files can be specified with AT_M4DIR variable.
#
# Should do a full autoreconf - normally what most people will be interested in.
# Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
eautoreconf() {
local x auxdir g
if [[ -z ${AT_NO_RECURSIVE} ]]; then
# Take care of subdirs
for x in $(autotools_get_subdirs); do
if [[ -d ${x} ]] ; then
pushd "${x}" >/dev/null
AT_NOELIBTOOLIZE="yes" eautoreconf
popd >/dev/null
fi
done
fi
auxdir=$(autotools_get_auxdir)
einfo "Running eautoreconf in '${PWD}' ..."
[[ -n ${auxdir} ]] && mkdir -p ${auxdir}
eaclocal
[[ ${CHOST} == *-darwin* ]] && g=g
if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
_elibtoolize --copy --force --install
else
_elibtoolize --copy --force
fi
eautoconf
eautoheader
FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
[[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
# Call it here to prevent failures due to elibtoolize called _before_
# eautoreconf. We set $S because elibtoolize runs on that #265319
S=${PWD} elibtoolize
return 0
}
# @FUNCTION: eaclocal
# @DESCRIPTION:
# These functions runs the autotools using autotools_run_tool with the
# specified parametes. The name of the tool run is the same of the function
# without e prefix.
# They also force installing the support files for safety.
# Respects AT_M4DIR for additional directories to search for macro's.
eaclocal() {
local aclocal_opts
local amflags_file
for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
[[ -e ${amflags_file} ]] || continue
aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
eval aclocal_opts=\"${aclocal_opts}\"
break
done
if [[ -n ${AT_M4DIR} ]] ; then
for x in ${AT_M4DIR} ; do
case "${x}" in
"-I")
# We handle it below
;;
*)
[[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
aclocal_opts="${aclocal_opts} -I ${x}"
;;
esac
done
fi
[[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
autotools_run_tool aclocal "$@" ${aclocal_opts} -I"${ROOT}"/usr/share/aclocal
}
# @FUNCTION: _elibtoolize
# @DESCRIPTION:
# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
# libtool.eclass.
_elibtoolize() {
local opts g=
# Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
# check for both it and the current AC_PROG_LIBTOOL)
[[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
[[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
[[ ${CHOST} == *-darwin* ]] && g=g
autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
# Need to rerun aclocal
eaclocal
}
# @FUNCTION: eautoheader
# @DESCRIPTION:
# Runs autoheader.
eautoheader() {
# Check if we should run autoheader
[[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
NO_FAIL=1 autotools_run_tool autoheader "$@"
}
# @FUNCTION: eautoconf
# @DESCRIPTION:
# Runs autoconf.
eautoconf() {
if [[ ! -f configure.ac && ! -f configure.in ]] ; then
echo
eerror "No configure.{ac,in} present in '${PWD}'!"
echo
die "No configure.{ac,in} present!"
fi
autotools_run_tool autoconf "$@"
}
# @FUNCTION: eautomake
# @DESCRIPTION:
# Runs automake.
eautomake() {
local extra_opts
local makefile_name
# Run automake if:
# - a Makefile.am type file exists
# - a Makefile.in type file exists and the configure
# script is using the AM_INIT_AUTOMAKE directive
for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
[[ -f ${makefile_name} ]] && break
done
[[ -z ${makefile_name} ]] && return 0
if [[ ${makefile_name} == *.in ]] ; then
if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
return 0
fi
elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
local used_automake
local installed_automake
installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
sed -e 's:.*(GNU automake) ::')
used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
sed -e 's:.*by automake \(.*\) from .*:\1:')
if [[ ${installed_automake} != ${used_automake} ]]; then
einfo "Automake used for the package (${used_automake}) differs from"
einfo "the installed version (${installed_automake})."
eautoreconf
return 0
fi
fi
[[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
|| extra_opts="${extra_opts} --foreign"
# --force-missing seems not to be recognized by some flavours of automake
autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
}
# @FUNCTION: eautopoint
# @DESCRIPTION:
# Runs autopoint (from the gettext package).
eautopoint() {
autotools_run_tool autopoint "$@"
}
# Internal function to run an autotools' tool
autotools_run_tool() {
if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
fi
# We do the “latest” → version switch here because it solves
# possible order problems, see bug #270010 as an example.
if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
local pv
for pv in ${_LATEST_AUTOMAKE} ; do
# has_version respects ROOT, but in this case, we don't want it to,
# thus "ROOT=/" prefix:
ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
done
[[ ${WANT_AUTOMAKE} == "latest" ]] && \
die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
fi
[[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
local STDERR_TARGET="${T}/$1.out"
# most of the time, there will only be one run, but if there are
# more, make sure we get unique log filenames
if [[ -e ${STDERR_TARGET} ]] ; then
STDERR_TARGET="${T}/$1-$$.out"
fi
printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
ebegin "Running $@"
"$@" >> "${STDERR_TARGET}" 2>&1
eend $?
if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
echo
eerror "Failed Running $1 !"
eerror
eerror "Include in your bugreport the contents of:"
eerror
eerror " ${STDERR_TARGET}"
echo
die "Failed Running $1 !"
fi
}
# Internal function to check for support
autotools_check_macro() {
[[ -f configure.ac || -f configure.in ]] || return 0
local macro
for macro ; do
WANT_AUTOCONF="2.5" autoconf --trace="${macro}" 2>/dev/null
done
return 0
}
# Internal function to get additional subdirs to configure
autotools_get_subdirs() {
local subdirs_scan_out
subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
[[ -n ${subdirs_scan_out} ]] || return 0
echo "${subdirs_scan_out}" | gawk \
'($0 !~ /^[[:space:]]*(#|dnl)/) {
if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
print res[1]
}' | uniq
return 0
}
autotools_get_auxdir() {
local auxdir_scan_out
auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
[[ -n ${auxdir_scan_out} ]] || return 0
echo ${auxdir_scan_out} | gawk \
'($0 !~ /^[[:space:]]*(#|dnl)/) {
if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
print res[1]
}' | uniq
return 0
}