eclass/chromium-2.eclass

   1 # Copyright 1999-2016 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 # @ECLASS: chromium-2.eclass
   5 # @MAINTAINER:
   6 # Chromium Herd <chromium@gentoo.org>
   7 # @AUTHOR:
   8 # Mike Gilbert <floppym@gentoo.org>
   9 # @BLURB: Shared functions for chromium and google-chrome
  10
  11 inherit eutils linux-info
  12
  13 if [[ ${PN} == chromium ]]; then
  14         IUSE+=" custom-cflags"
  15 fi
  16
  17 # @FUNCTION: chromium_suid_sandbox_check_kernel_config
  18 # @USAGE:
  19 # @DESCRIPTION:
  20 # Ensures the system kernel supports features needed for SUID sandbox to work.
  21 chromium_suid_sandbox_check_kernel_config() {
  22         has "${EAPI:-0}" 0 1 2 3 && die "EAPI=${EAPI} is not supported"
  23
  24         if [[ "${MERGE_TYPE}" == "source" || "${MERGE_TYPE}" == "binary" ]]; then
  25                 # Warn if the kernel does not support features needed for sandboxing.
  26                 # Bug #363987.
  27                 ERROR_PID_NS="PID_NS is required for sandbox to work"
  28                 ERROR_NET_NS="NET_NS is required for sandbox to work"
  29                 ERROR_USER_NS="USER_NS is required for sandbox to work"
  30                 ERROR_SECCOMP_FILTER="SECCOMP_FILTER is required for sandbox to work"
  31                 # Warn if the kernel does not support features needed for the browser to work
  32                 # (bug #552576, bug #556286).
  33                 ERROR_ADVISE_SYSCALLS="CONFIG_ADVISE_SYSCALLS is required for the renderer (bug #552576)"
  34                 ERROR_COMPAT_VDSO="CONFIG_COMPAT_VDSO causes segfaults (bug #556286)"
  35                 ERROR_GRKERNSEC="CONFIG_GRKERNSEC breaks sandbox (bug #613668)"
  36                 CONFIG_CHECK="~PID_NS ~NET_NS ~SECCOMP_FILTER ~USER_NS ~ADVISE_SYSCALLS ~!COMPAT_VDSO ~!GRKERNSEC"
  37                 check_extra_config
  38         fi
  39 }
  40
  41 # @ECLASS-VARIABLE: CHROMIUM_LANGS
  42 # @DEFAULT_UNSET
  43 # @DESCRIPTION:
  44 # List of language packs available for this package.
  45
  46 _chromium_set_l10n_IUSE() {
  47         [[ ${EAPI:-0} == 0 ]] && die "EAPI=${EAPI} is not supported"
  48
  49         local lang
  50         for lang in ${CHROMIUM_LANGS}; do
  51                 # Default to enabled since we bundle them anyway.
  52                 # USE-expansion will take care of disabling the langs the user has not
  53                 # selected via L10N.
  54                 IUSE+=" +l10n_${lang}"
  55         done
  56 }
  57
  58 if [[ ${CHROMIUM_LANGS} ]]; then
  59         _chromium_set_l10n_IUSE
  60 fi
  61
  62 # @FUNCTION: chromium_remove_language_paks
  63 # @USAGE:
  64 # @DESCRIPTION:
  65 # Removes pak files from the current directory for languages that the user has
  66 # not selected via the L10N variable.
  67 # Also performs QA checks to ensure CHROMIUM_LANGS has been set correctly.
  68 chromium_remove_language_paks() {
  69         local lang pak
  70
  71         # Look for missing pak files.
  72         for lang in ${CHROMIUM_LANGS}; do
  73                 if [[ ! -e ${lang}.pak ]]; then
  74                         # https://bugs.gentoo.org/583762
  75                         if [[ ${lang} != sr-ME || ! -e me.pak  ]]; then
  76                                 eqawarn "L10N warning: no .pak file for ${lang} (${lang}.pak not found)"
  77                         fi
  78                 fi
  79         done
  80
  81         # Bug 588198
  82         rm -f fake-bidi.pak || die
  83
  84         # Look for extra pak files.
  85         # Remove pak files that the user does not want.
  86         for pak in *.pak; do
  87                 lang=${pak%.pak}
  88
  89                 if [[ ${lang} == en-US ]]; then
  90                         continue
  91                 fi
  92
  93                 # https://bugs.gentoo.org/583762
  94                 if [[ ${lang} == me ]]; then
  95                         if ! has sr-ME ${CHROMIUM_LANGS}; then
  96                                 eqawarn "L10N warning: no sr-ME in LANGS"
  97                         elif ! use l10n_sr-ME; then
  98                                 rm "${pak}" || die
  99                         fi
 100                         continue
 101                 fi
 102
 103                 if ! has ${lang} ${CHROMIUM_LANGS}; then
 104                         eqawarn "L10N warning: no ${lang} in LANGS"
 105                         continue
 106                 fi
 107                 if ! use l10n_${lang}; then
 108                         rm "${pak}" || die
 109                 fi
 110         done
 111 }
 112
 113 chromium_pkg_die() {
 114         if [[ "${EBUILD_PHASE}" != "compile" ]]; then
 115                 return
 116         fi
 117
 118         # Prevent user problems like bug #348235.
 119         eshopts_push -s extglob
 120         if is-flagq '-g?(gdb)?([1-9])'; then
 121                 ewarn
 122                 ewarn "You have enabled debug info (i.e. -g or -ggdb in your CFLAGS/CXXFLAGS)."
 123                 ewarn "This produces very large build files causes the linker to consume large"
 124                 ewarn "amounts of memory."
 125                 ewarn
 126                 ewarn "Please try removing -g{,gdb} before reporting a bug."
 127                 ewarn
 128         fi
 129         eshopts_pop
 130
 131         # ccache often causes bogus compile failures, especially when the cache gets
 132         # corrupted.
 133         if has ccache ${FEATURES}; then
 134                 ewarn
 135                 ewarn "You have enabled ccache. Please try disabling ccache"
 136                 ewarn "before reporting a bug."
 137                 ewarn
 138         fi
 139
 140         # No ricer bugs.
 141         if use_if_iuse custom-cflags; then
 142                 ewarn
 143                 ewarn "You have enabled the custom-cflags USE flag."
 144                 ewarn "Please disable it before reporting a bug."
 145                 ewarn
 146         fi
 147
 148         # If the system doesn't have enough memory, the compilation is known to
 149         # fail. Print info about memory to recognize this condition.
 150         einfo
 151         einfo "$(grep MemTotal /proc/meminfo)"
 152         einfo "$(grep SwapTotal /proc/meminfo)"
 153         einfo
 154 }
 155
 156 # @VARIABLE: EGYP_CHROMIUM_COMMAND
 157 # @DESCRIPTION:
 158 # Path to the gyp_chromium script.
 159 : ${EGYP_CHROMIUM_COMMAND:=build/gyp_chromium}
 160
 161 # @VARIABLE: EGYP_CHROMIUM_DEPTH
 162 # @DESCRIPTION:
 163 # Depth for egyp_chromium.
 164 : ${EGYP_CHROMIUM_DEPTH:=.}
 165
 166 # @FUNCTION: egyp_chromium
 167 # @USAGE: [gyp arguments]
 168 # @DESCRIPTION:
 169 # Calls EGYP_CHROMIUM_COMMAND with depth EGYP_CHROMIUM_DEPTH and given
 170 # arguments. The full command line is echoed for logging.
 171 egyp_chromium() {
 172         set -- "${EGYP_CHROMIUM_COMMAND}" --depth="${EGYP_CHROMIUM_DEPTH}" "$@"
 173         echo "$@"
 174         "$@"
 175 }
 176
 177 # @FUNCTION: gyp_use
 178 # @USAGE: <USE flag> [GYP flag] [true suffix] [false suffix]
 179 # @DESCRIPTION:
 180 # If USE flag is set, echo -D[GYP flag]=[true suffix].
 181 #
 182 # If USE flag is not set, echo -D[GYP flag]=[false suffix].
 183 #
 184 # [GYP flag] defaults to use_[USE flag] with hyphens converted to underscores.
 185 #
 186 # [true suffix] defaults to 1. [false suffix] defaults to 0.
 187 gyp_use() {
 188         local gypflag="-D${2:-use_${1//-/_}}="
 189         usex "$1" "${gypflag}" "${gypflag}"  "${3-1}" "${4-0}"
 190 }