bin/ebuild.sh

   1 #!/bin/bash
   2 # Copyright 1999-2011 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         done
  30         # These dummy functions return false, in order to ensure that
  31         # `use multislot` is false for the "depend" phase.
  32         for x in use useq usev ; do
  33                 eval "${x}() { return 1; }"
  34         done
  35         # These functions die because calls to them during the "depend" phase
  36         # are considered to be severe QA violations.
  37         for x in best_version has_version portageq ; do
  38                 eval "${x}() { die \"\${FUNCNAME} calls are not allowed in global scope\"; }"
  39         done
  40         unset x
  41 fi
  42
  43 if [[ $PORTAGE_SANDBOX_COMPAT_LEVEL -lt 22 ]] ; then
  44         # Ensure that /dev/std* streams have appropriate sandbox permission for
  45         # bug #288863. This can be removed after sandbox is fixed and portage
  46         # depends on the fixed version (sandbox-2.2 has the fix but it is
  47         # currently unstable).
  48         export SANDBOX_WRITE="${SANDBOX_WRITE:+${SANDBOX_WRITE}:}/dev/stdout:/dev/stderr"
  49         export SANDBOX_READ="${SANDBOX_READ:+${SANDBOX_READ}:}/dev/stdin"
  50 fi
  51
  52 # Don't use sandbox's BASH_ENV for new shells because it does
  53 # 'source /etc/profile' which can interfere with the build
  54 # environment by modifying our PATH.
  55 unset BASH_ENV
  56
  57 # This is just a temporary workaround for portage-9999 users since
  58 # earlier portage versions do not detect a version change in this case
  59 # (9999 to 9999) and therefore they try execute an incompatible version of
  60 # ebuild.sh during the upgrade.
  61 export PORTAGE_BZIP2_COMMAND=${PORTAGE_BZIP2_COMMAND:-bzip2}
  62
  63 # These two functions wrap sourcing and calling respectively.  At present they
  64 # perform a qa check to make sure eclasses and ebuilds and profiles don't mess
  65 # with shell opts (shopts).  Ebuilds/eclasses changing shopts should reset them
  66 # when they are done.
  67
  68 qa_source() {
  69         local shopts=$(shopt) OLDIFS="$IFS"
  70         local retval
  71         source "$@"
  72         retval=$?
  73         set +e
  74         [[ $shopts != $(shopt) ]] &&
  75                 eqawarn "QA Notice: Global shell options changed and were not restored while sourcing '$*'"
  76         [[ "$IFS" != "$OLDIFS" ]] &&
  77                 eqawarn "QA Notice: Global IFS changed and was not restored while sourcing '$*'"
  78         return $retval
  79 }
  80
  81 qa_call() {
  82         local shopts=$(shopt) OLDIFS="$IFS"
  83         local retval
  84         "$@"
  85         retval=$?
  86         set +e
  87         [[ $shopts != $(shopt) ]] &&
  88                 eqawarn "QA Notice: Global shell options changed and were not restored while calling '$*'"
  89         [[ "$IFS" != "$OLDIFS" ]] &&
  90                 eqawarn "QA Notice: Global IFS changed and was not restored while calling '$*'"
  91         return $retval
  92 }
  93
  94 EBUILD_SH_ARGS="$*"
  95
  96 shift $#
  97
  98 # Unset some variables that break things.
  99 unset GZIP BZIP BZIP2 CDPATH GREP_OPTIONS GREP_COLOR GLOBIGNORE
 100
 101 [[ $PORTAGE_QUIET != "" ]] && export PORTAGE_QUIET
 102
 103 # sandbox support functions; defined prior to profile.bashrc srcing, since the profile might need to add a default exception (/usr/lib64/conftest fex)
 104 _sb_append_var() {
 105         local _v=$1 ; shift
 106         local var="SANDBOX_${_v}"
 107         [[ -z $1 || -n $2 ]] && die "Usage: add$(echo ${_v} | \
 108                 LC_ALL=C tr [:upper:] [:lower:]) <colon-delimited list of paths>"
 109         export ${var}="${!var:+${!var}:}$1"
 110 }
 111 # bash-4 version:
 112 # local var="SANDBOX_${1^^}"
 113 # addread() { _sb_append_var ${0#add} "$@" ; }
 114 addread()    { _sb_append_var READ    "$@" ; }
 115 addwrite()   { _sb_append_var WRITE   "$@" ; }
 116 adddeny()    { _sb_append_var DENY    "$@" ; }
 117 addpredict() { _sb_append_var PREDICT "$@" ; }
 118
 119 addwrite "${PORTAGE_TMPDIR}"
 120 addread "/:${PORTAGE_TMPDIR}"
 121 [[ -n ${PORTAGE_GPG_DIR} ]] && addpredict "${PORTAGE_GPG_DIR}"
 122
 123 # Avoid sandbox violations in temporary directories.
 124 if [[ -w $T ]] ; then
 125         export TEMP=$T
 126         export TMP=$T
 127         export TMPDIR=$T
 128 elif [[ $SANDBOX_ON = 1 ]] ; then
 129         for x in TEMP TMP TMPDIR ; do
 130                 [[ -n ${!x} ]] && addwrite "${!x}"
 131         done
 132         unset x
 133 fi
 134
 135 # the sandbox is disabled by default except when overridden in the relevant stages
 136 export SANDBOX_ON=0
 137
 138 esyslog() {
 139         # Custom version of esyslog() to take care of the "Red Star" bug.
 140         # MUST follow functions.sh to override the "" parameter problem.
 141         return 0
 142 }
 143
 144 # Ensure that $PWD is sane whenever possible, to protect against
 145 # exploitation of insecure search path for python -c in ebuilds.
 146 # See bug #239560.
 147 if ! has "$EBUILD_PHASE" clean cleanrm depend help ; then
 148         cd "$PORTAGE_BUILDDIR" || \
 149                 die "PORTAGE_BUILDDIR does not exist: '$PORTAGE_BUILDDIR'"
 150 fi
 151
 152 #if no perms are specified, dirs/files will have decent defaults
 153 #(not secretive, but not stupid)
 154 umask 022
 155
 156 # debug-print() gets called from many places with verbose status information useful
 157 # for tracking down problems. The output is in $T/eclass-debug.log.
 158 # You can set ECLASS_DEBUG_OUTPUT to redirect the output somewhere else as well.
 159 # The special "on" setting echoes the information, mixing it with the rest of the
 160 # emerge output.
 161 # You can override the setting by exporting a new one from the console, or you can
 162 # set a new default in make.*. Here the default is "" or unset.
 163
 164 # in the future might use e* from /etc/init.d/functions.sh if i feel like it
 165 debug-print() {
 166         # if $T isn't defined, we're in dep calculation mode and
 167         # shouldn't do anything
 168         [[ $EBUILD_PHASE = depend || ! -d ${T} || ${#} -eq 0 ]] && return 0
 169
 170         if [[ ${ECLASS_DEBUG_OUTPUT} == on ]]; then
 171                 printf 'debug: %s\n' "${@}" >&2
 172         elif [[ -n ${ECLASS_DEBUG_OUTPUT} ]]; then
 173                 printf 'debug: %s\n' "${@}" >> "${ECLASS_DEBUG_OUTPUT}"
 174         fi
 175
 176         if [[ -w $T ]] ; then
 177                 # default target
 178                 printf '%s\n' "${@}" >> "${T}/eclass-debug.log"
 179                 # let the portage user own/write to this file
 180                 chgrp portage "${T}/eclass-debug.log" &>/dev/null
 181                 chmod g+w "${T}/eclass-debug.log" &>/dev/null
 182         fi
 183 }
 184
 185 # The following 2 functions are debug-print() wrappers
 186
 187 debug-print-function() {
 188         debug-print "${1}: entering function, parameters: ${*:2}"
 189 }
 190
 191 debug-print-section() {
 192         debug-print "now in section ${*}"
 193 }
 194
 195 # Sources all eclasses in parameters
 196 declare -ix ECLASS_DEPTH=0
 197 inherit() {
 198         ECLASS_DEPTH=$(($ECLASS_DEPTH + 1))
 199         if [[ ${ECLASS_DEPTH} > 1 ]]; then
 200                 debug-print "*** Multiple Inheritence (Level: ${ECLASS_DEPTH})"
 201         fi
 202
 203         if [[ -n $ECLASS && -n ${!__export_funcs_var} ]] ; then
 204                 echo "QA Notice: EXPORT_FUNCTIONS is called before inherit in" \
 205                         "$ECLASS.eclass. For compatibility with <=portage-2.1.6.7," \
 206                         "only call EXPORT_FUNCTIONS after inherit(s)." \
 207                         | fmt -w 75 | while read -r ; do eqawarn "$REPLY" ; done
 208         fi
 209
 210         local location
 211         local olocation
 212         local x
 213
 214         # These variables must be restored before returning.
 215         local PECLASS=$ECLASS
 216         local prev_export_funcs_var=$__export_funcs_var
 217
 218         local B_IUSE
 219         local B_REQUIRED_USE
 220         local B_DEPEND
 221         local B_RDEPEND
 222         local B_PDEPEND
 223         while [ "$1" ]; do
 224                 location="${ECLASSDIR}/${1}.eclass"
 225                 olocation=""
 226
 227                 export ECLASS="$1"
 228                 __export_funcs_var=__export_functions_$ECLASS_DEPTH
 229                 unset $__export_funcs_var
 230
 231                 if [ "${EBUILD_PHASE}" != "depend" ] && \
 232                         [[ ${EBUILD_PHASE} != *rm ]] && \
 233                         [[ ${EMERGE_FROM} != "binary" ]] ; then
 234                         # This is disabled in the *rm phases because they frequently give
 235                         # false alarms due to INHERITED in /var/db/pkg being outdated
 236                         # in comparison the the eclasses from the portage tree.
 237                         if ! has $ECLASS $INHERITED $__INHERITED_QA_CACHE ; then
 238                                 eqawarn "QA Notice: ECLASS '$ECLASS' inherited illegally in $CATEGORY/$PF $EBUILD_PHASE"
 239                         fi
 240                 fi
 241
 242                 # any future resolution code goes here
 243                 if [ -n "$PORTDIR_OVERLAY" ]; then
 244                         local overlay
 245                         for overlay in ${PORTDIR_OVERLAY}; do
 246                                 olocation="${overlay}/eclass/${1}.eclass"
 247                                 if [ -e "$olocation" ]; then
 248                                         location="${olocation}"
 249                                         debug-print "  eclass exists: ${location}"
 250                                 fi
 251                         done
 252                 fi
 253                 debug-print "inherit: $1 -> $location"
 254                 [ ! -e "$location" ] && die "${1}.eclass could not be found by inherit()"
 255
 256                 if [ "${location}" == "${olocation}" ] && \
 257                         ! has "${location}" ${EBUILD_OVERLAY_ECLASSES} ; then
 258                                 EBUILD_OVERLAY_ECLASSES="${EBUILD_OVERLAY_ECLASSES} ${location}"
 259                 fi
 260
 261                 #We need to back up the value of DEPEND and RDEPEND to B_DEPEND and B_RDEPEND
 262                 #(if set).. and then restore them after the inherit call.
 263
 264                 #turn off glob expansion
 265                 set -f
 266
 267                 # Retain the old data and restore it later.
 268                 unset B_IUSE B_REQUIRED_USE B_DEPEND B_RDEPEND B_PDEPEND
 269                 [ "${IUSE+set}"       = set ] && B_IUSE="${IUSE}"
 270                 [ "${REQUIRED_USE+set}" = set ] && B_REQUIRED_USE="${REQUIRED_USE}"
 271                 [ "${DEPEND+set}"     = set ] && B_DEPEND="${DEPEND}"
 272                 [ "${RDEPEND+set}"    = set ] && B_RDEPEND="${RDEPEND}"
 273                 [ "${PDEPEND+set}"    = set ] && B_PDEPEND="${PDEPEND}"
 274                 unset IUSE REQUIRED_USE DEPEND RDEPEND PDEPEND
 275                 #turn on glob expansion
 276                 set +f
 277
 278                 qa_source "$location" || die "died sourcing $location in inherit()"
 279
 280                 #turn off glob expansion
 281                 set -f
 282
 283                 # If each var has a value, append it to the global variable E_* to
 284                 # be applied after everything is finished. New incremental behavior.
 285                 [ "${IUSE+set}"         = set ] && E_IUSE+="${E_IUSE:+ }${IUSE}"
 286                 [ "${REQUIRED_USE+set}" = set ] && E_REQUIRED_USE+="${E_REQUIRED_USE:+ }${REQUIRED_USE}"
 287                 [ "${DEPEND+set}"       = set ] && E_DEPEND+="${E_DEPEND:+ }${DEPEND}"
 288                 [ "${RDEPEND+set}"      = set ] && E_RDEPEND+="${E_RDEPEND:+ }${RDEPEND}"
 289                 [ "${PDEPEND+set}"      = set ] && E_PDEPEND+="${E_PDEPEND:+ }${PDEPEND}"
 290
 291                 [ "${B_IUSE+set}"     = set ] && IUSE="${B_IUSE}"
 292                 [ "${B_IUSE+set}"     = set ] || unset IUSE
 293
 294                 [ "${B_REQUIRED_USE+set}"     = set ] && REQUIRED_USE="${B_REQUIRED_USE}"
 295                 [ "${B_REQUIRED_USE+set}"     = set ] || unset REQUIRED_USE
 296
 297                 [ "${B_DEPEND+set}"   = set ] && DEPEND="${B_DEPEND}"
 298                 [ "${B_DEPEND+set}"   = set ] || unset DEPEND
 299
 300                 [ "${B_RDEPEND+set}"  = set ] && RDEPEND="${B_RDEPEND}"
 301                 [ "${B_RDEPEND+set}"  = set ] || unset RDEPEND
 302
 303                 [ "${B_PDEPEND+set}"  = set ] && PDEPEND="${B_PDEPEND}"
 304                 [ "${B_PDEPEND+set}"  = set ] || unset PDEPEND
 305
 306                 #turn on glob expansion
 307                 set +f
 308
 309                 if [[ -n ${!__export_funcs_var} ]] ; then
 310                         for x in ${!__export_funcs_var} ; do
 311                                 debug-print "EXPORT_FUNCTIONS: $x -> ${ECLASS}_$x"
 312                                 declare -F "${ECLASS}_$x" >/dev/null || \
 313                                         die "EXPORT_FUNCTIONS: ${ECLASS}_$x is not defined"
 314                                 eval "$x() { ${ECLASS}_$x \"\$@\" ; }" > /dev/null
 315                         done
 316                 fi
 317                 unset $__export_funcs_var
 318
 319                 has $1 $INHERITED || export INHERITED="$INHERITED $1"
 320
 321                 shift
 322         done
 323         ((--ECLASS_DEPTH)) # Returns 1 when ECLASS_DEPTH reaches 0.
 324         if (( ECLASS_DEPTH > 0 )) ; then
 325                 export ECLASS=$PECLASS
 326                 __export_funcs_var=$prev_export_funcs_var
 327         else
 328                 unset ECLASS __export_funcs_var
 329         fi
 330         return 0
 331 }
 332
 333 # Exports stub functions that call the eclass's functions, thereby making them default.
 334 # For example, if ECLASS="base" and you call "EXPORT_FUNCTIONS src_unpack", the following
 335 # code will be eval'd:
 336 # src_unpack() { base_src_unpack; }
 337 EXPORT_FUNCTIONS() {
 338         if [ -z "$ECLASS" ]; then
 339                 die "EXPORT_FUNCTIONS without a defined ECLASS"
 340         fi
 341         eval $__export_funcs_var+=\" $*\"
 342 }
 343
 344 PORTAGE_BASHRCS_SOURCED=0
 345
 346 # @FUNCTION: source_all_bashrcs
 347 # @DESCRIPTION:
 348 # Source a relevant bashrc files and perform other miscellaneous
 349 # environment initialization when appropriate.
 350 #
 351 # If EAPI is set then define functions provided by the current EAPI:
 352 #
 353 #  * default_* aliases for the current EAPI phase functions
 354 #  * A "default" function which is an alias for the default phase
 355 #    function for the current phase.
 356 #
 357 source_all_bashrcs() {
 358         [[ $PORTAGE_BASHRCS_SOURCED = 1 ]] && return 0
 359         PORTAGE_BASHRCS_SOURCED=1
 360         local x
 361
 362         local OCC="${CC}" OCXX="${CXX}"
 363
 364         if [[ $EBUILD_PHASE != depend ]] ; then
 365                 # source the existing profile.bashrcs.
 366                 save_IFS
 367                 IFS=$'\n'
 368                 local path_array=($PROFILE_PATHS)
 369                 restore_IFS
 370                 for x in "${path_array[@]}" ; do
 371                         [ -f "$x/profile.bashrc" ] && qa_source "$x/profile.bashrc"
 372                 done
 373         fi
 374
 375         # We assume if people are changing shopts in their bashrc they do so at their
 376         # own peril.  This is the ONLY non-portage bit of code that can change shopts
 377         # without a QA violation.
 378         for x in "${PORTAGE_BASHRC}" "${PM_EBUILD_HOOK_DIR}"/${CATEGORY}/{${PN},${PN}:${SLOT},${P},${PF}}; do
 379                 if [ -r "${x}" ]; then
 380                         # If $- contains x, then tracing has already enabled elsewhere for some
 381                         # reason.  We preserve it's state so as not to interfere.
 382                         if [ "$PORTAGE_DEBUG" != "1" ] || [ "${-/x/}" != "$-" ]; then
 383                                 source "${x}"
 384                         else
 385                                 set -x
 386                                 source "${x}"
 387                                 set +x
 388                         fi
 389                 fi
 390         done
 391
 392         [ ! -z "${OCC}" ] && export CC="${OCC}"
 393         [ ! -z "${OCXX}" ] && export CXX="${OCXX}"
 394 }
 395
 396 # === === === === === === === === === === === === === === === === === ===
 397 # === === === === === functions end, main part begins === === === === ===
 398 # === === === === === === === === === === === === === === === === === ===
 399
 400 export SANDBOX_ON="1"
 401 export S=${WORKDIR}/${P}
 402
 403 # Turn of extended glob matching so that g++ doesn't get incorrectly matched.
 404 shopt -u extglob
 405
 406 if [[ ${EBUILD_PHASE} == depend ]] ; then
 407         QA_INTERCEPTORS="awk bash cc egrep equery fgrep g++
 408                 gawk gcc grep javac java-config nawk perl
 409                 pkg-config python python-config sed"
 410 elif [[ ${EBUILD_PHASE} == clean* ]] ; then
 411         unset QA_INTERCEPTORS
 412 else
 413         QA_INTERCEPTORS="autoconf automake aclocal libtoolize"
 414 fi
 415 # level the QA interceptors if we're in depend
 416 if [[ -n ${QA_INTERCEPTORS} ]] ; then
 417         for BIN in ${QA_INTERCEPTORS}; do
 418                 BIN_PATH=$(type -Pf ${BIN})
 419                 if [ "$?" != "0" ]; then
 420                         BODY="echo \"*** missing command: ${BIN}\" >&2; return 127"
 421                 else
 422                         BODY="${BIN_PATH} \"\$@\"; return \$?"
 423                 fi
 424                 if [[ ${EBUILD_PHASE} == depend ]] ; then
 425                         FUNC_SRC="${BIN}() {
 426                                 if [ \$ECLASS_DEPTH -gt 0 ]; then
 427                                         eqawarn \"QA Notice: '${BIN}' called in global scope: eclass \${ECLASS}\"
 428                                 else
 429                                         eqawarn \"QA Notice: '${BIN}' called in global scope: \${CATEGORY}/\${PF}\"
 430                                 fi
 431                         ${BODY}
 432                         }"
 433                 elif has ${BIN} autoconf automake aclocal libtoolize ; then
 434                         FUNC_SRC="${BIN}() {
 435                                 if ! has \${FUNCNAME[1]} eautoreconf eaclocal _elibtoolize \\
 436                                         eautoheader eautoconf eautomake autotools_run_tool \\
 437                                         autotools_check_macro autotools_get_subdirs \\
 438                                         autotools_get_auxdir ; then
 439                                         eqawarn \"QA Notice: '${BIN}' called by \${FUNCNAME[1]}: \${CATEGORY}/\${PF}\"
 440                                         eqawarn \"Use autotools.eclass instead of calling '${BIN}' directly.\"
 441                                 fi
 442                         ${BODY}
 443                         }"
 444                 else
 445                         FUNC_SRC="${BIN}() {
 446                                 eqawarn \"QA Notice: '${BIN}' called by \${FUNCNAME[1]}: \${CATEGORY}/\${PF}\"
 447                         ${BODY}
 448                         }"
 449                 fi
 450                 eval "$FUNC_SRC" || echo "error creating QA interceptor ${BIN}" >&2
 451         done
 452         unset BIN_PATH BIN BODY FUNC_SRC
 453 fi
 454
 455 # Subshell/helper die support (must export for the die helper).
 456 export EBUILD_MASTER_PID=$BASHPID
 457 trap 'exit 1' SIGTERM
 458
 459 if ! has "$EBUILD_PHASE" clean cleanrm depend && \
 460         [ -f "${T}"/environment ] ; then
 461         # The environment may have been extracted from environment.bz2 or
 462         # may have come from another version of ebuild.sh or something.
 463         # In any case, preprocess it to prevent any potential interference.
 464         # NOTE: export ${FOO}=... requires quoting, unlike normal exports
 465         preprocess_ebuild_env || \
 466                 die "error processing environment"
 467         # Colon separated SANDBOX_* variables need to be cumulative.
 468         for x in SANDBOX_DENY SANDBOX_READ SANDBOX_PREDICT SANDBOX_WRITE ; do
 469                 export PORTAGE_${x}="${!x}"
 470         done
 471         PORTAGE_SANDBOX_ON=${SANDBOX_ON}
 472         export SANDBOX_ON=1
 473         source "${T}"/environment || \
 474                 die "error sourcing environment"
 475         # We have to temporarily disable sandbox since the
 476         # SANDBOX_{DENY,READ,PREDICT,WRITE} values we've just loaded
 477         # may be unusable (triggering in spurious sandbox violations)
 478         # until we've merged them with our current values.
 479         export SANDBOX_ON=0
 480         for x in SANDBOX_DENY SANDBOX_PREDICT SANDBOX_READ SANDBOX_WRITE ; do
 481                 y="PORTAGE_${x}"
 482                 if [ -z "${!x}" ] ; then
 483                         export ${x}="${!y}"
 484                 elif [ -n "${!y}" ] && [ "${!y}" != "${!x}" ] ; then
 485                         # filter out dupes
 486                         export ${x}="$(printf "${!y}:${!x}" | tr ":" "\0" | \
 487                                 sort -z -u | tr "\0" ":")"
 488                 fi
 489                 export ${x}="${!x%:}"
 490                 unset PORTAGE_${x}
 491         done
 492         unset x y
 493         export SANDBOX_ON=${PORTAGE_SANDBOX_ON}
 494         unset PORTAGE_SANDBOX_ON
 495         [[ -n $EAPI ]] || EAPI=0
 496 fi
 497
 498 if ! has "$EBUILD_PHASE" clean cleanrm ; then
 499         if [[ $EBUILD_PHASE = depend || ! -f $T/environment || \
 500                 -f $PORTAGE_BUILDDIR/.ebuild_changed ]] || \
 501                 has noauto $FEATURES ; then
 502                 # The bashrcs get an opportunity here to set aliases that will be expanded
 503                 # during sourcing of ebuilds and eclasses.
 504                 source_all_bashrcs
 505
 506                 # When EBUILD_PHASE != depend, INHERITED comes pre-initialized
 507                 # from cache. In order to make INHERITED content independent of
 508                 # EBUILD_PHASE during inherit() calls, we unset INHERITED after
 509                 # we make a backup copy for QA checks.
 510                 __INHERITED_QA_CACHE=$INHERITED
 511
 512                 # *DEPEND and IUSE will be set during the sourcing of the ebuild.
 513                 # In order to ensure correct interaction between ebuilds and
 514                 # eclasses, they need to be unset before this process of
 515                 # interaction begins.
 516                 unset DEPEND RDEPEND PDEPEND INHERITED IUSE REQUIRED_USE \
 517                         ECLASS E_IUSE E_REQUIRED_USE E_DEPEND E_RDEPEND E_PDEPEND
 518
 519                 if [[ $PORTAGE_DEBUG != 1 || ${-/x/} != $- ]] ; then
 520                         source "$EBUILD" || die "error sourcing ebuild"
 521                 else
 522                         set -x
 523                         source "$EBUILD" || die "error sourcing ebuild"
 524                         set +x
 525                 fi
 526
 527                 if [[ "${EBUILD_PHASE}" != "depend" ]] ; then
 528                         RESTRICT=${PORTAGE_RESTRICT}
 529                         [[ -e $PORTAGE_BUILDDIR/.ebuild_changed ]] && \
 530                         rm "$PORTAGE_BUILDDIR/.ebuild_changed"
 531                 fi
 532
 533                 [[ -n $EAPI ]] || EAPI=0
 534
 535                 if has "$EAPI" 0 1 2 3 3_pre2 ; then
 536                         export RDEPEND=${RDEPEND-${DEPEND}}
 537                         debug-print "RDEPEND: not set... Setting to: ${DEPEND}"
 538                 fi
 539
 540                 # add in dependency info from eclasses
 541                 IUSE+="${IUSE:+ }${E_IUSE}"
 542                 DEPEND+="${DEPEND:+ }${E_DEPEND}"
 543                 RDEPEND+="${RDEPEND:+ }${E_RDEPEND}"
 544                 PDEPEND+="${PDEPEND:+ }${E_PDEPEND}"
 545                 REQUIRED_USE+="${REQUIRED_USE:+ }${E_REQUIRED_USE}"
 546
 547                 unset ECLASS E_IUSE E_REQUIRED_USE E_DEPEND E_RDEPEND E_PDEPEND \
 548                         __INHERITED_QA_CACHE
 549
 550                 # alphabetically ordered by $EBUILD_PHASE value
 551                 case "$EAPI" in
 552                         0|1)
 553                                 _valid_phases="src_compile pkg_config pkg_info src_install
 554                                         pkg_nofetch pkg_postinst pkg_postrm pkg_preinst pkg_prerm
 555                                         pkg_setup src_test src_unpack"
 556                                 ;;
 557                         2|3|3_pre2)
 558                                 _valid_phases="src_compile pkg_config src_configure pkg_info
 559                                         src_install pkg_nofetch pkg_postinst pkg_postrm pkg_preinst
 560                                         src_prepare pkg_prerm pkg_setup src_test src_unpack"
 561                                 ;;
 562                         *)
 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_pretend pkg_setup src_test src_unpack"
 566                                 ;;
 567                 esac
 568
 569                 DEFINED_PHASES=
 570                 for _f in $_valid_phases ; do
 571                         if declare -F $_f >/dev/null ; then
 572                                 _f=${_f#pkg_}
 573                                 DEFINED_PHASES+=" ${_f#src_}"
 574                         fi
 575                 done
 576                 [[ -n $DEFINED_PHASES ]] || DEFINED_PHASES=-
 577
 578                 unset _f _valid_phases
 579
 580                 if [[ $EBUILD_PHASE != depend ]] ; then
 581
 582                         if has distcc $FEATURES ; then
 583                                 [[ -n $DISTCC_LOG ]] && addwrite "${DISTCC_LOG%/*}"
 584                         fi
 585
 586                         if has ccache $FEATURES ; then
 587
 588                                 if [[ -n $CCACHE_DIR ]] ; then
 589                                         addread "$CCACHE_DIR"
 590                                         addwrite "$CCACHE_DIR"
 591                                 fi
 592
 593                                 [[ -n $CCACHE_SIZE ]] && ccache -M $CCACHE_SIZE &> /dev/null
 594                         fi
 595
 596                         if [[ -n $QA_PREBUILT ]] ; then
 597
 598                                 # these ones support fnmatch patterns
 599                                 QA_EXECSTACK+=" $QA_PREBUILT"
 600                                 QA_TEXTRELS+=" $QA_PREBUILT"
 601                                 QA_WX_LOAD+=" $QA_PREBUILT"
 602
 603                                 # these ones support regular expressions, so translate
 604                                 # fnmatch patterns to regular expressions
 605                                 for x in QA_DT_HASH QA_DT_NEEDED QA_PRESTRIPPED QA_SONAME ; do
 606                                         if [[ $(declare -p $x 2>/dev/null) = declare\ -a* ]] ; then
 607                                                 eval "$x=(\"\${$x[@]}\" ${QA_PREBUILT//\*/.*})"
 608                                         else
 609                                                 eval "$x+=\" ${QA_PREBUILT//\*/.*}\""
 610                                         fi
 611                                 done
 612
 613                                 unset x
 614                         fi
 615
 616                         # This needs to be exported since prepstrip is a separate shell script.
 617                         [[ -n $QA_PRESTRIPPED ]] && export QA_PRESTRIPPED
 618                         eval "[[ -n \$QA_PRESTRIPPED_${ARCH/-/_} ]] && \
 619                                 export QA_PRESTRIPPED_${ARCH/-/_}"
 620                 fi
 621         fi
 622 fi
 623
 624 # unset USE_EXPAND variables that contain only the special "*" token
 625 for x in ${USE_EXPAND} ; do
 626         [ "${!x}" == "*" ] && unset ${x}
 627 done
 628 unset x
 629
 630 if has nostrip ${FEATURES} ${RESTRICT} || has strip ${RESTRICT}
 631 then
 632         export DEBUGBUILD=1
 633 fi
 634
 635 if [[ $EBUILD_PHASE = depend ]] ; then
 636         export SANDBOX_ON="0"
 637         set -f
 638
 639         if [ -n "${dbkey}" ] ; then
 640                 if [ ! -d "${dbkey%/*}" ]; then
 641                         install -d -g ${PORTAGE_GID} -m2775 "${dbkey%/*}"
 642                 fi
 643                 # Make it group writable. 666&~002==664
 644                 umask 002
 645         fi
 646
 647         auxdbkeys="DEPEND RDEPEND SLOT SRC_URI RESTRICT HOMEPAGE LICENSE
 648                 DESCRIPTION KEYWORDS INHERITED IUSE REQUIRED_USE PDEPEND PROVIDE EAPI
 649                 PROPERTIES DEFINED_PHASES UNUSED_05 UNUSED_04
 650                 UNUSED_03 UNUSED_02 UNUSED_01"
 651
 652         #the extra $(echo) commands remove newlines
 653         [ -n "${EAPI}" ] || EAPI=0
 654
 655         if [ -n "${dbkey}" ] ; then
 656                 > "${dbkey}"
 657                 for f in ${auxdbkeys} ; do
 658                         echo $(echo ${!f}) >> "${dbkey}" || exit $?
 659                 done
 660         else
 661                 for f in ${auxdbkeys} ; do
 662                         echo $(echo ${!f}) 1>&9 || exit $?
 663                 done
 664                 exec 9>&-
 665         fi
 666         set +f
 667 else
 668         # Note: readonly variables interfere with preprocess_ebuild_env(), so
 669         # declare them only after it has already run.
 670         declare -r $PORTAGE_READONLY_METADATA $PORTAGE_READONLY_VARS
 671         case "$EAPI" in
 672                 0|1|2)
 673                         [[ " ${USE} " == *" prefix "* ]] && \
 674                                 declare -r ED EPREFIX EROOT
 675                         ;;
 676                 *)
 677                         declare -r ED EPREFIX EROOT
 678                         ;;
 679         esac
 680
 681         if [[ -n $EBUILD_SH_ARGS ]] ; then
 682                 (
 683                         # Don't allow subprocesses to inherit the pipe which
 684                         # emerge uses to monitor ebuild.sh.
 685                         exec 9>&-
 686                         ebuild_main ${EBUILD_SH_ARGS}
 687                         exit 0
 688                 )
 689                 exit $?
 690         fi
 691 fi
 692
 693 # Do not exit when ebuild.sh is sourced by other scripts.
 694 true