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