bin/ebuild.sh

   1 #!/bin/bash
   2 # Copyright 1999-2012 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4
   5 PORTAGE_BIN_PATH="${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}"
   6 PORTAGE_PYM_PATH="${PORTAGE_PYM_PATH:-/usr/lib/portage/pym}"
   7
   8 # Prevent aliases from causing portage to act inappropriately.
   9 # Make sure it's before everything so we don't mess aliases that follow.
  10 unalias -a
  11
  12 source "${PORTAGE_BIN_PATH}/isolated-functions.sh" || exit 1
  13
  14 if [[ $EBUILD_PHASE != depend ]] ; then
  15         source "${PORTAGE_BIN_PATH}/phase-functions.sh" || die
  16         source "${PORTAGE_BIN_PATH}/save-ebuild-env.sh" || die
  17         source "${PORTAGE_BIN_PATH}/phase-helpers.sh" || die
  18         source "${PORTAGE_BIN_PATH}/bashrc-functions.sh" || die
  19 else
  20         # These dummy functions are for things that are likely to be called
  21         # in global scope, even though they are completely useless during
  22         # the "depend" phase.
  23         for x in diropts docompress exeopts get_KV insopts \
  24                 keepdir KV_major KV_micro KV_minor KV_to_int \
  25                 libopts register_die_hook register_success_hook \
  26                 remove_path_entry set_unless_changed strip_duplicate_slashes \
  27                 unset_unless_changed use_with use_enable ; do
  28                 eval "${x}() {
  29                         if has \"\${EAPI:-0}\" 4-python; then
  30                                 die \"\${FUNCNAME}() calls are not allowed in global scope\"
  31                         fi
  32                 }"
  33         done
  34         # These dummy functions return false in older EAPIs, in order to ensure that
  35         # `use multislot` is false for the "depend" phase.
  36         for x in use useq usev ; do
  37                 eval "${x}() {
  38                         if has \"\${EAPI:-0}\" 4-python; then
  39                                 die \"\${FUNCNAME}() calls are not allowed in global scope\"
  40                         else
  41                                 return 1
  42                         fi
  43                 }"
  44         done
  45         # These functions die because calls to them during the "depend" phase
  46         # are considered to be severe QA violations.
  47         for x in best_version has_version portageq ; do
  48                 eval "${x}() { die \"\${FUNCNAME}() calls are not allowed in global scope\"; }"
  49         done
  50         unset x
  51 fi
  52
  53 # Don't use sandbox's BASH_ENV for new shells because it does
  54 # 'source /etc/profile' which can interfere with the build
  55 # environment by modifying our PATH.
  56 unset BASH_ENV
  57
  58 # This is just a temporary workaround for portage-9999 users since
  59 # earlier portage versions do not detect a version change in this case
  60 # (9999 to 9999) and therefore they try execute an incompatible version of
  61 # ebuild.sh during the upgrade.
  62 export PORTAGE_BZIP2_COMMAND=${PORTAGE_BZIP2_COMMAND:-bzip2}
  63
  64 # These two functions wrap sourcing and calling respectively.  At present they
  65 # perform a qa check to make sure eclasses and ebuilds and profiles don't mess
  66 # with shell opts (shopts).  Ebuilds/eclasses changing shopts should reset them
  67 # when they are done.
  68
  69 qa_source() {
  70         local shopts=$(shopt) OLDIFS="$IFS"
  71         local retval
  72         source "$@"
  73         retval=$?
  74         set +e
  75         [[ $shopts != $(shopt) ]] &&
  76                 eqawarn "QA Notice: Global shell options changed and were not restored while sourcing '$*'"
  77         [[ "$IFS" != "$OLDIFS" ]] &&
  78                 eqawarn "QA Notice: Global IFS changed and was not restored while sourcing '$*'"
  79         return $retval
  80 }
  81
  82 qa_call() {
  83         local shopts=$(shopt) OLDIFS="$IFS"
  84         local retval
  85         "$@"
  86         retval=$?
  87         set +e
  88         [[ $shopts != $(shopt) ]] &&
  89                 eqawarn "QA Notice: Global shell options changed and were not restored while calling '$*'"
  90         [[ "$IFS" != "$OLDIFS" ]] &&
  91                 eqawarn "QA Notice: Global IFS changed and was not restored while calling '$*'"
  92         return $retval
  93 }
  94
  95 EBUILD_SH_ARGS="$*"
  96
  97 shift $#
  98
  99 # Unset some variables that break things.
 100 unset GZIP BZIP BZIP2 CDPATH GREP_OPTIONS GREP_COLOR GLOBIGNORE
 101
 102 [[ $PORTAGE_QUIET != "" ]] && export PORTAGE_QUIET
 103
 104 # sandbox support functions; defined prior to profile.bashrc srcing, since the profile might need to add a default exception (/usr/lib64/conftest fex)
 105 _sb_append_var() {
 106         local _v=$1 ; shift
 107         local var="SANDBOX_${_v}"
 108         [[ -z $1 || -n $2 ]] && die "Usage: add$(echo ${_v} | \
 109                 LC_ALL=C tr [:upper:] [:lower:]) <colon-delimited list of paths>"
 110         export ${var}="${!var:+${!var}:}$1"
 111 }
 112 # bash-4 version:
 113 # local var="SANDBOX_${1^^}"
 114 # addread() { _sb_append_var ${0#add} "$@" ; }
 115 addread()    { _sb_append_var READ    "$@" ; }
 116 addwrite()   { _sb_append_var WRITE   "$@" ; }
 117 adddeny()    { _sb_append_var DENY    "$@" ; }
 118 addpredict() { _sb_append_var PREDICT "$@" ; }
 119
 120 addwrite "${PORTAGE_TMPDIR}"
 121 addread "/:${PORTAGE_TMPDIR}"
 122 [[ -n ${PORTAGE_GPG_DIR} ]] && addpredict "${PORTAGE_GPG_DIR}"
 123
 124 # Avoid sandbox violations in temporary directories.
 125 if [[ -w $T ]] ; then
 126         export TEMP=$T
 127         export TMP=$T
 128         export TMPDIR=$T
 129 elif [[ $SANDBOX_ON = 1 ]] ; then
 130         for x in TEMP TMP TMPDIR ; do
 131                 [[ -n ${!x} ]] && addwrite "${!x}"
 132         done
 133         unset x
 134 fi
 135
 136 # the sandbox is disabled by default except when overridden in the relevant stages
 137 export SANDBOX_ON=0
 138
 139 esyslog() {
 140         # Custom version of esyslog() to take care of the "Red Star" bug.
 141         # MUST follow functions.sh to override the "" parameter problem.
 142         return 0
 143 }
 144
 145 # Ensure that $PWD is sane whenever possible, to protect against
 146 # exploitation of insecure search path for python -c in ebuilds.
 147 # See bug #239560.
 148 if ! has "$EBUILD_PHASE" clean cleanrm depend help ; then
 149         cd "$PORTAGE_BUILDDIR" || \
 150                 die "PORTAGE_BUILDDIR does not exist: '$PORTAGE_BUILDDIR'"
 151 fi
 152
 153 #if no perms are specified, dirs/files will have decent defaults
 154 #(not secretive, but not stupid)
 155 umask 022
 156
 157 # debug-print() gets called from many places with verbose status information useful
 158 # for tracking down problems. The output is in $T/eclass-debug.log.
 159 # You can set ECLASS_DEBUG_OUTPUT to redirect the output somewhere else as well.
 160 # The special "on" setting echoes the information, mixing it with the rest of the
 161 # emerge output.
 162 # You can override the setting by exporting a new one from the console, or you can
 163 # set a new default in make.*. Here the default is "" or unset.
 164
 165 # in the future might use e* from /etc/init.d/functions.sh if i feel like it
 166 debug-print() {
 167         # if $T isn't defined, we're in dep calculation mode and
 168         # shouldn't do anything
 169         [[ $EBUILD_PHASE = depend || ! -d ${T} || ${#} -eq 0 ]] && return 0
 170
 171         if [[ ${ECLASS_DEBUG_OUTPUT} == on ]]; then
 172                 printf 'debug: %s\n' "${@}" >&2
 173         elif [[ -n ${ECLASS_DEBUG_OUTPUT} ]]; then
 174                 printf 'debug: %s\n' "${@}" >> "${ECLASS_DEBUG_OUTPUT}"
 175         fi
 176
 177         if [[ -w $T ]] ; then
 178                 # default target
 179                 printf '%s\n' "${@}" >> "${T}/eclass-debug.log"
 180                 # let the portage user own/write to this file
 181                 chgrp portage "${T}/eclass-debug.log" &>/dev/null
 182                 chmod g+w "${T}/eclass-debug.log" &>/dev/null
 183         fi
 184 }
 185
 186 # The following 2 functions are debug-print() wrappers
 187
 188 debug-print-function() {
 189         debug-print "${1}: entering function, parameters: ${*:2}"
 190 }
 191
 192 debug-print-section() {
 193         debug-print "now in section ${*}"
 194 }
 195
 196 # Sources all eclasses in parameters
 197 declare -ix ECLASS_DEPTH=0
 198 inherit() {
 199         ECLASS_DEPTH=$(($ECLASS_DEPTH + 1))
 200         if [[ ${ECLASS_DEPTH} > 1 ]]; then
 201                 debug-print "*** Multiple Inheritence (Level: ${ECLASS_DEPTH})"
 202         fi
 203
 204         if [[ -n $ECLASS && -n ${!__export_funcs_var} ]] ; then
 205                 echo "QA Notice: EXPORT_FUNCTIONS is called before inherit in" \
 206                         "$ECLASS.eclass. For compatibility with <=portage-2.1.6.7," \
 207                         "only call EXPORT_FUNCTIONS after inherit(s)." \
 208                         | fmt -w 75 | while read -r ; do eqawarn "$REPLY" ; done
 209         fi
 210
 211         local location
 212         local olocation
 213         local x
 214
 215         # These variables must be restored before returning.
 216         local PECLASS=$ECLASS
 217         local prev_export_funcs_var=$__export_funcs_var
 218
 219         local B_IUSE
 220         local B_REQUIRED_USE
 221         local B_DEPEND
 222         local B_RDEPEND
 223         local B_PDEPEND
 224         while [ "$1" ]; do
 225                 location="${ECLASSDIR}/${1}.eclass"
 226                 olocation=""
 227
 228                 export ECLASS="$1"
 229                 __export_funcs_var=__export_functions_$ECLASS_DEPTH
 230                 unset $__export_funcs_var
 231
 232                 if [ "${EBUILD_PHASE}" != "depend" ] && \
 233                         [ "${EBUILD_PHASE}" != "nofetch" ] && \
 234                         [[ ${EBUILD_PHASE} != *rm ]] && \
 235                         [[ ${EMERGE_FROM} != "binary" ]] ; then
 236                         # This is disabled in the *rm phases because they frequently give
 237                         # false alarms due to INHERITED in /var/db/pkg being outdated
 238                         # in comparison the the eclasses from the portage tree. It's
 239                         # disabled for nofetch, since that can be called by repoman and
 240                         # that triggers bug #407449 due to repoman not exporting
 241                         # non-essential variables such as INHERITED.
 242                         if ! has $ECLASS $INHERITED $__INHERITED_QA_CACHE ; then
 243                                 eqawarn "QA Notice: ECLASS '$ECLASS' inherited illegally in $CATEGORY/$PF $EBUILD_PHASE"
 244                         fi
 245                 fi
 246
 247                 # any future resolution code goes here
 248                 if [ -n "$PORTDIR_OVERLAY" ]; then
 249                         local overlay
 250                         for overlay in ${PORTDIR_OVERLAY}; do
 251                                 olocation="${overlay}/eclass/${1}.eclass"
 252                                 if [ -e "$olocation" ]; then
 253                                         location="${olocation}"
 254                                         debug-print "  eclass exists: ${location}"
 255                                 fi
 256                         done
 257                 fi
 258                 debug-print "inherit: $1 -> $location"
 259                 [ ! -e "$location" ] && die "${1}.eclass could not be found by inherit()"
 260
 261                 if [ "${location}" == "${olocation}" ] && \
 262                         ! has "${location}" ${EBUILD_OVERLAY_ECLASSES} ; then
 263                                 EBUILD_OVERLAY_ECLASSES="${EBUILD_OVERLAY_ECLASSES} ${location}"
 264                 fi
 265
 266                 #We need to back up the value of DEPEND and RDEPEND to B_DEPEND and B_RDEPEND
 267                 #(if set).. and then restore them after the inherit call.
 268
 269                 #turn off glob expansion
 270                 set -f
 271
 272                 # Retain the old data and restore it later.
 273                 unset B_IUSE B_REQUIRED_USE B_DEPEND B_RDEPEND B_PDEPEND
 274                 [ "${IUSE+set}"       = set ] && B_IUSE="${IUSE}"
 275                 [ "${REQUIRED_USE+set}" = set ] && B_REQUIRED_USE="${REQUIRED_USE}"
 276                 [ "${DEPEND+set}"     = set ] && B_DEPEND="${DEPEND}"
 277                 [ "${RDEPEND+set}"    = set ] && B_RDEPEND="${RDEPEND}"
 278                 [ "${PDEPEND+set}"    = set ] && B_PDEPEND="${PDEPEND}"
 279                 unset IUSE REQUIRED_USE DEPEND RDEPEND PDEPEND
 280                 #turn on glob expansion
 281                 set +f
 282
 283                 qa_source "$location" || die "died sourcing $location in inherit()"
 284
 285                 #turn off glob expansion
 286                 set -f
 287
 288                 # If each var has a value, append it to the global variable E_* to
 289                 # be applied after everything is finished. New incremental behavior.
 290                 [ "${IUSE+set}"         = set ] && E_IUSE+="${E_IUSE:+ }${IUSE}"
 291                 [ "${REQUIRED_USE+set}" = set ] && E_REQUIRED_USE+="${E_REQUIRED_USE:+ }${REQUIRED_USE}"
 292                 [ "${DEPEND+set}"       = set ] && E_DEPEND+="${E_DEPEND:+ }${DEPEND}"
 293                 [ "${RDEPEND+set}"      = set ] && E_RDEPEND+="${E_RDEPEND:+ }${RDEPEND}"
 294                 [ "${PDEPEND+set}"      = set ] && E_PDEPEND+="${E_PDEPEND:+ }${PDEPEND}"
 295
 296                 [ "${B_IUSE+set}"     = set ] && IUSE="${B_IUSE}"
 297                 [ "${B_IUSE+set}"     = set ] || unset IUSE
 298
 299                 [ "${B_REQUIRED_USE+set}"     = set ] && REQUIRED_USE="${B_REQUIRED_USE}"
 300                 [ "${B_REQUIRED_USE+set}"     = set ] || unset REQUIRED_USE
 301
 302                 [ "${B_DEPEND+set}"   = set ] && DEPEND="${B_DEPEND}"
 303                 [ "${B_DEPEND+set}"   = set ] || unset DEPEND
 304
 305                 [ "${B_RDEPEND+set}"  = set ] && RDEPEND="${B_RDEPEND}"
 306                 [ "${B_RDEPEND+set}"  = set ] || unset RDEPEND
 307
 308                 [ "${B_PDEPEND+set}"  = set ] && PDEPEND="${B_PDEPEND}"
 309                 [ "${B_PDEPEND+set}"  = set ] || unset PDEPEND
 310
 311                 #turn on glob expansion
 312                 set +f
 313
 314                 if [[ -n ${!__export_funcs_var} ]] ; then
 315                         for x in ${!__export_funcs_var} ; do
 316                                 debug-print "EXPORT_FUNCTIONS: $x -> ${ECLASS}_$x"
 317                                 declare -F "${ECLASS}_$x" >/dev/null || \
 318                                         die "EXPORT_FUNCTIONS: ${ECLASS}_$x is not defined"
 319                                 eval "$x() { ${ECLASS}_$x \"\$@\" ; }" > /dev/null
 320                         done
 321                 fi
 322                 unset $__export_funcs_var
 323
 324                 has $1 $INHERITED || export INHERITED="$INHERITED $1"
 325
 326                 shift
 327         done
 328         ((--ECLASS_DEPTH)) # Returns 1 when ECLASS_DEPTH reaches 0.
 329         if (( ECLASS_DEPTH > 0 )) ; then
 330                 export ECLASS=$PECLASS
 331                 __export_funcs_var=$prev_export_funcs_var
 332         else
 333                 unset ECLASS __export_funcs_var
 334         fi
 335         return 0
 336 }
 337
 338 # Exports stub functions that call the eclass's functions, thereby making them default.
 339 # For example, if ECLASS="base" and you call "EXPORT_FUNCTIONS src_unpack", the following
 340 # code will be eval'd:
 341 # src_unpack() { base_src_unpack; }
 342 EXPORT_FUNCTIONS() {
 343         if [ -z "$ECLASS" ]; then
 344                 die "EXPORT_FUNCTIONS without a defined ECLASS"
 345         fi
 346         eval $__export_funcs_var+=\" $*\"
 347 }
 348
 349 PORTAGE_BASHRCS_SOURCED=0
 350
 351 # @FUNCTION: source_all_bashrcs
 352 # @DESCRIPTION:
 353 # Source a relevant bashrc files and perform other miscellaneous
 354 # environment initialization when appropriate.
 355 #
 356 # If EAPI is set then define functions provided by the current EAPI:
 357 #
 358 #  * default_* aliases for the current EAPI phase functions
 359 #  * A "default" function which is an alias for the default phase
 360 #    function for the current phase.
 361 #
 362 source_all_bashrcs() {
 363         [[ $PORTAGE_BASHRCS_SOURCED = 1 ]] && return 0
 364         PORTAGE_BASHRCS_SOURCED=1
 365         local x
 366
 367         local OCC="${CC}" OCXX="${CXX}"
 368
 369         if [[ $EBUILD_PHASE != depend ]] ; then
 370                 # source the existing profile.bashrcs.
 371                 save_IFS
 372                 IFS=$'\n'
 373                 local path_array=($PROFILE_PATHS)
 374                 restore_IFS
 375                 for x in "${path_array[@]}" ; do
 376                         [ -f "$x/profile.bashrc" ] && qa_source "$x/profile.bashrc"
 377                 done
 378         fi
 379
 380         # We assume if people are changing shopts in their bashrc they do so at their
 381         # own peril.  This is the ONLY non-portage bit of code that can change shopts
 382         # without a QA violation.
 383         for x in "${PORTAGE_BASHRC}" "${PM_EBUILD_HOOK_DIR}"/${CATEGORY}/{${PN},${PN}:${SLOT},${P},${PF}}; do
 384                 if [ -r "${x}" ]; then
 385                         # If $- contains x, then tracing has already enabled elsewhere for some
 386                         # reason.  We preserve it's state so as not to interfere.
 387                         if [ "$PORTAGE_DEBUG" != "1" ] || [ "${-/x/}" != "$-" ]; then
 388                                 source "${x}"
 389                         else
 390                                 set -x
 391                                 source "${x}"
 392                                 set +x
 393                         fi
 394                 fi
 395         done
 396
 397         [ ! -z "${OCC}" ] && export CC="${OCC}"
 398         [ ! -z "${OCXX}" ] && export CXX="${OCXX}"
 399 }
 400
 401 # === === === === === === === === === === === === === === === === === ===
 402 # === === === === === functions end, main part begins === === === === ===
 403 # === === === === === === === === === === === === === === === === === ===
 404
 405 export SANDBOX_ON="1"
 406 export S=${WORKDIR}/${P}
 407
 408 # Turn of extended glob matching so that g++ doesn't get incorrectly matched.
 409 shopt -u extglob
 410
 411 if [[ ${EBUILD_PHASE} == depend ]] ; then
 412         QA_INTERCEPTORS="awk bash cc egrep equery fgrep g++
 413                 gawk gcc grep javac java-config nawk perl
 414                 pkg-config python python-config sed"
 415 elif [[ ${EBUILD_PHASE} == clean* ]] ; then
 416         unset QA_INTERCEPTORS
 417 else
 418         QA_INTERCEPTORS="autoconf automake aclocal libtoolize"
 419 fi
 420 # level the QA interceptors if we're in depend
 421 if [[ -n ${QA_INTERCEPTORS} ]] ; then
 422         for BIN in ${QA_INTERCEPTORS}; do
 423                 BIN_PATH=$(type -Pf ${BIN})
 424                 if [ "$?" != "0" ]; then
 425                         BODY="echo \"*** missing command: ${BIN}\" >&2; return 127"
 426                 else
 427                         BODY="${BIN_PATH} \"\$@\"; return \$?"
 428                 fi
 429                 if [[ ${EBUILD_PHASE} == depend ]] ; then
 430                         FUNC_SRC="${BIN}() {
 431                                 if [ \$ECLASS_DEPTH -gt 0 ]; then
 432                                         eqawarn \"QA Notice: '${BIN}' called in global scope: eclass \${ECLASS}\"
 433                                 else
 434                                         eqawarn \"QA Notice: '${BIN}' called in global scope: \${CATEGORY}/\${PF}\"
 435                                 fi
 436                         ${BODY}
 437                         }"
 438                 elif has ${BIN} autoconf automake aclocal libtoolize ; then
 439                         FUNC_SRC="${BIN}() {
 440                                 if ! has \${FUNCNAME[1]} eautoreconf eaclocal _elibtoolize \\
 441                                         eautoheader eautoconf eautomake autotools_run_tool \\
 442                                         autotools_check_macro autotools_get_subdirs \\
 443                                         autotools_get_auxdir ; then
 444                                         eqawarn \"QA Notice: '${BIN}' called by \${FUNCNAME[1]}: \${CATEGORY}/\${PF}\"
 445                                         eqawarn \"Use autotools.eclass instead of calling '${BIN}' directly.\"
 446                                 fi
 447                         ${BODY}
 448                         }"
 449                 else
 450                         FUNC_SRC="${BIN}() {
 451                                 eqawarn \"QA Notice: '${BIN}' called by \${FUNCNAME[1]}: \${CATEGORY}/\${PF}\"
 452                         ${BODY}
 453                         }"
 454                 fi
 455                 eval "$FUNC_SRC" || echo "error creating QA interceptor ${BIN}" >&2
 456         done
 457         unset BIN_PATH BIN BODY FUNC_SRC
 458 fi
 459
 460 # Subshell/helper die support (must export for the die helper).
 461 export EBUILD_MASTER_PID=$BASHPID
 462 trap 'exit 1' SIGTERM
 463
 464 if ! has "$EBUILD_PHASE" clean cleanrm depend && \
 465         [ -f "${T}"/environment ] ; then
 466         # The environment may have been extracted from environment.bz2 or
 467         # may have come from another version of ebuild.sh or something.
 468         # In any case, preprocess it to prevent any potential interference.
 469         # NOTE: export ${FOO}=... requires quoting, unlike normal exports
 470         preprocess_ebuild_env || \
 471                 die "error processing environment"
 472         # Colon separated SANDBOX_* variables need to be cumulative.
 473         for x in SANDBOX_DENY SANDBOX_READ SANDBOX_PREDICT SANDBOX_WRITE ; do
 474                 export PORTAGE_${x}="${!x}"
 475         done
 476         PORTAGE_SANDBOX_ON=${SANDBOX_ON}
 477         export SANDBOX_ON=1
 478         source "${T}"/environment || \
 479                 die "error sourcing environment"
 480         # We have to temporarily disable sandbox since the
 481         # SANDBOX_{DENY,READ,PREDICT,WRITE} values we've just loaded
 482         # may be unusable (triggering in spurious sandbox violations)
 483         # until we've merged them with our current values.
 484         export SANDBOX_ON=0
 485         for x in SANDBOX_DENY SANDBOX_PREDICT SANDBOX_READ SANDBOX_WRITE ; do
 486                 y="PORTAGE_${x}"
 487                 if [ -z "${!x}" ] ; then
 488                         export ${x}="${!y}"
 489                 elif [ -n "${!y}" ] && [ "${!y}" != "${!x}" ] ; then
 490                         # filter out dupes
 491                         export ${x}="$(printf "${!y}:${!x}" | tr ":" "\0" | \
 492                                 sort -z -u | tr "\0" ":")"
 493                 fi
 494                 export ${x}="${!x%:}"
 495                 unset PORTAGE_${x}
 496         done
 497         unset x y
 498         export SANDBOX_ON=${PORTAGE_SANDBOX_ON}
 499         unset PORTAGE_SANDBOX_ON
 500         [[ -n $EAPI ]] || EAPI=0
 501 fi
 502
 503 if ! has "$EBUILD_PHASE" clean cleanrm ; then
 504         if [[ $EBUILD_PHASE = depend || ! -f $T/environment || \
 505                 -f $PORTAGE_BUILDDIR/.ebuild_changed ]] || \
 506                 has noauto $FEATURES ; then
 507                 # The bashrcs get an opportunity here to set aliases that will be expanded
 508                 # during sourcing of ebuilds and eclasses.
 509                 source_all_bashrcs
 510
 511                 # When EBUILD_PHASE != depend, INHERITED comes pre-initialized
 512                 # from cache. In order to make INHERITED content independent of
 513                 # EBUILD_PHASE during inherit() calls, we unset INHERITED after
 514                 # we make a backup copy for QA checks.
 515                 __INHERITED_QA_CACHE=$INHERITED
 516
 517                 # *DEPEND and IUSE will be set during the sourcing of the ebuild.
 518                 # In order to ensure correct interaction between ebuilds and
 519                 # eclasses, they need to be unset before this process of
 520                 # interaction begins.
 521                 unset DEPEND RDEPEND PDEPEND INHERITED IUSE REQUIRED_USE \
 522                         ECLASS E_IUSE E_REQUIRED_USE E_DEPEND E_RDEPEND E_PDEPEND
 523
 524                 if [[ $PORTAGE_DEBUG != 1 || ${-/x/} != $- ]] ; then
 525                         source "$EBUILD" || die "error sourcing ebuild"
 526                 else
 527                         set -x
 528                         source "$EBUILD" || die "error sourcing ebuild"
 529                         set +x
 530                 fi
 531
 532                 if [[ "${EBUILD_PHASE}" != "depend" ]] ; then
 533                         RESTRICT=${PORTAGE_RESTRICT}
 534                         [[ -e $PORTAGE_BUILDDIR/.ebuild_changed ]] && \
 535                         rm "$PORTAGE_BUILDDIR/.ebuild_changed"
 536                 fi
 537
 538                 [[ -n $EAPI ]] || EAPI=0
 539
 540                 if has "$EAPI" 0 1 2 3 3_pre2 ; then
 541                         export RDEPEND=${RDEPEND-${DEPEND}}
 542                         debug-print "RDEPEND: not set... Setting to: ${DEPEND}"
 543                 fi
 544
 545                 # add in dependency info from eclasses
 546                 IUSE+="${IUSE:+ }${E_IUSE}"
 547                 DEPEND+="${DEPEND:+ }${E_DEPEND}"
 548                 RDEPEND+="${RDEPEND:+ }${E_RDEPEND}"
 549                 PDEPEND+="${PDEPEND:+ }${E_PDEPEND}"
 550                 REQUIRED_USE+="${REQUIRED_USE:+ }${E_REQUIRED_USE}"
 551
 552                 unset ECLASS E_IUSE E_REQUIRED_USE E_DEPEND E_RDEPEND E_PDEPEND \
 553                         __INHERITED_QA_CACHE
 554
 555                 # alphabetically ordered by $EBUILD_PHASE value
 556                 case "$EAPI" in
 557                         0|1)
 558                                 _valid_phases="src_compile pkg_config pkg_info src_install
 559                                         pkg_nofetch pkg_postinst pkg_postrm pkg_preinst pkg_prerm
 560                                         pkg_setup src_test src_unpack"
 561                                 ;;
 562                         2|3|3_pre2)
 563                                 _valid_phases="src_compile pkg_config src_configure pkg_info
 564                                         src_install pkg_nofetch pkg_postinst pkg_postrm pkg_preinst
 565                                         src_prepare pkg_prerm pkg_setup src_test src_unpack"
 566                                 ;;
 567                         *)
 568                                 _valid_phases="src_compile pkg_config src_configure pkg_info
 569                                         src_install pkg_nofetch pkg_postinst pkg_postrm pkg_preinst
 570                                         src_prepare pkg_prerm pkg_pretend pkg_setup src_test src_unpack"
 571                                 ;;
 572                 esac
 573
 574                 DEFINED_PHASES=
 575                 for _f in $_valid_phases ; do
 576                         if declare -F $_f >/dev/null ; then
 577                                 _f=${_f#pkg_}
 578                                 DEFINED_PHASES+=" ${_f#src_}"
 579                         fi
 580                 done
 581                 [[ -n $DEFINED_PHASES ]] || DEFINED_PHASES=-
 582
 583                 unset _f _valid_phases
 584
 585                 if [[ $EBUILD_PHASE != depend ]] ; then
 586
 587                         if has distcc $FEATURES ; then
 588                                 [[ -n $DISTCC_LOG ]] && addwrite "${DISTCC_LOG%/*}"
 589                         fi
 590
 591                         if has ccache $FEATURES ; then
 592
 593                                 if [[ -n $CCACHE_DIR ]] ; then
 594                                         addread "$CCACHE_DIR"
 595                                         addwrite "$CCACHE_DIR"
 596                                 fi
 597
 598                                 [[ -n $CCACHE_SIZE ]] && ccache -M $CCACHE_SIZE &> /dev/null
 599                         fi
 600
 601                         if [[ -n $QA_PREBUILT ]] ; then
 602
 603                                 # these ones support fnmatch patterns
 604                                 QA_EXECSTACK+=" $QA_PREBUILT"
 605                                 QA_TEXTRELS+=" $QA_PREBUILT"
 606                                 QA_WX_LOAD+=" $QA_PREBUILT"
 607
 608                                 # these ones support regular expressions, so translate
 609                                 # fnmatch patterns to regular expressions
 610                                 for x in QA_DT_NEEDED QA_FLAGS_IGNORED QA_PRESTRIPPED QA_SONAME ; do
 611                                         if [[ $(declare -p $x 2>/dev/null) = declare\ -a* ]] ; then
 612                                                 eval "$x=(\"\${$x[@]}\" ${QA_PREBUILT//\*/.*})"
 613                                         else
 614                                                 eval "$x+=\" ${QA_PREBUILT//\*/.*}\""
 615                                         fi
 616                                 done
 617
 618                                 unset x
 619                         fi
 620
 621                         # This needs to be exported since prepstrip is a separate shell script.
 622                         [[ -n $QA_PRESTRIPPED ]] && export QA_PRESTRIPPED
 623                         eval "[[ -n \$QA_PRESTRIPPED_${ARCH/-/_} ]] && \
 624                                 export QA_PRESTRIPPED_${ARCH/-/_}"
 625                 fi
 626         fi
 627 fi
 628
 629 # unset USE_EXPAND variables that contain only the special "*" token
 630 for x in ${USE_EXPAND} ; do
 631         [ "${!x}" == "*" ] && unset ${x}
 632 done
 633 unset x
 634
 635 if has nostrip ${FEATURES} ${RESTRICT} || has strip ${RESTRICT}
 636 then
 637         export DEBUGBUILD=1
 638 fi
 639
 640 if [[ $EBUILD_PHASE = depend ]] ; then
 641         export SANDBOX_ON="0"
 642         set -f
 643
 644         if [ -n "${dbkey}" ] ; then
 645                 if [ ! -d "${dbkey%/*}" ]; then
 646                         install -d -g ${PORTAGE_GID} -m2775 "${dbkey%/*}"
 647                 fi
 648                 # Make it group writable. 666&~002==664
 649                 umask 002
 650         fi
 651
 652         auxdbkeys="DEPEND RDEPEND SLOT SRC_URI RESTRICT HOMEPAGE LICENSE
 653                 DESCRIPTION KEYWORDS INHERITED IUSE REQUIRED_USE PDEPEND PROVIDE EAPI
 654                 PROPERTIES DEFINED_PHASES UNUSED_05 UNUSED_04
 655                 UNUSED_03 UNUSED_02 UNUSED_01"
 656
 657         [ -n "${EAPI}" ] || EAPI=0
 658
 659         # The extra $(echo) commands remove newlines.
 660         if [ -n "${dbkey}" ] ; then
 661                 > "${dbkey}"
 662                 for f in ${auxdbkeys} ; do
 663                         echo $(echo ${!f}) >> "${dbkey}" || exit $?
 664                 done
 665         else
 666                 for f in ${auxdbkeys} ; do
 667                         echo $(echo ${!f}) 1>&9 || exit $?
 668                 done
 669                 exec 9>&-
 670         fi
 671         set +f
 672 else
 673         # Note: readonly variables interfere with preprocess_ebuild_env(), so
 674         # declare them only after it has already run.
 675         declare -r $PORTAGE_READONLY_METADATA $PORTAGE_READONLY_VARS
 676         case "$EAPI" in
 677                 0|1|2)
 678                         [[ " ${FEATURES} " == *" force-prefix "* ]] && \
 679                                 declare -r ED EPREFIX EROOT
 680                         ;;
 681                 *)
 682                         declare -r ED EPREFIX EROOT
 683                         ;;
 684         esac
 685
 686         if [[ -n $EBUILD_SH_ARGS ]] ; then
 687                 (
 688                         # Don't allow subprocesses to inherit the pipe which
 689                         # emerge uses to monitor ebuild.sh.
 690                         exec 9>&-
 691                         ebuild_main ${EBUILD_SH_ARGS}
 692                         exit 0
 693                 )
 694                 exit $?
 695         fi
 696 fi
 697
 698 # Do not exit when ebuild.sh is sourced by other scripts.
 699 true