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                         eqawarn "L10N warning: no .pak file for ${lang} (${lang}.pak not found)"
  75                 fi
  76         done
  77
  78         # Bug 588198
  79         rm -f fake-bidi.pak || die
  80         rm -f fake-bidi.pak.info || die
  81
  82         # Look for extra pak files.
  83         # Remove pak files that the user does not want.
  84         for pak in *.pak; do
  85                 lang=${pak%.pak}
  86
  87                 if [[ ${lang} == en-US ]]; then
  88                         continue
  89                 fi
  90
  91                 if ! has ${lang} ${CHROMIUM_LANGS}; then
  92                         eqawarn "L10N warning: no ${lang} in LANGS"
  93                         continue
  94                 fi
  95
  96                 if ! use l10n_${lang}; then
  97                         rm "${pak}" || die
  98                         rm -f "${pak}.info" || die
  99                 fi
 100         done
 101 }
 102
 103 chromium_pkg_die() {
 104         if [[ "${EBUILD_PHASE}" != "compile" ]]; then
 105                 return
 106         fi
 107
 108         # Prevent user problems like bug #348235.
 109         if ( shopt -s extglob; is-flagq '-g?(gdb)?([1-9])' ); then
 110                 ewarn
 111                 ewarn "You have enabled debug info (i.e. -g or -ggdb in your CFLAGS/CXXFLAGS)."
 112                 ewarn "This produces very large build files causes the linker to consume large"
 113                 ewarn "amounts of memory."
 114                 ewarn
 115                 ewarn "Please try removing -g{,gdb} before reporting a bug."
 116                 ewarn
 117         fi
 118
 119         # ccache often causes bogus compile failures, especially when the cache gets
 120         # corrupted.
 121         if has ccache ${FEATURES}; then
 122                 ewarn
 123                 ewarn "You have enabled ccache. Please try disabling ccache"
 124                 ewarn "before reporting a bug."
 125                 ewarn
 126         fi
 127
 128         # No ricer bugs.
 129         if use_if_iuse custom-cflags; then
 130                 ewarn
 131                 ewarn "You have enabled the custom-cflags USE flag."
 132                 ewarn "Please disable it before reporting a bug."
 133                 ewarn
 134         fi
 135
 136         # If the system doesn't have enough memory, the compilation is known to
 137         # fail. Print info about memory to recognize this condition.
 138         einfo
 139         einfo "$(grep MemTotal /proc/meminfo)"
 140         einfo "$(grep SwapTotal /proc/meminfo)"
 141         einfo
 142 }
 143
 144 # @VARIABLE: EGYP_CHROMIUM_COMMAND
 145 # @DESCRIPTION:
 146 # Path to the gyp_chromium script.
 147 : ${EGYP_CHROMIUM_COMMAND:=build/gyp_chromium}
 148
 149 # @VARIABLE: EGYP_CHROMIUM_DEPTH
 150 # @DESCRIPTION:
 151 # Depth for egyp_chromium.
 152 : ${EGYP_CHROMIUM_DEPTH:=.}
 153
 154 # @FUNCTION: egyp_chromium
 155 # @USAGE: [gyp arguments]
 156 # @DESCRIPTION:
 157 # Calls EGYP_CHROMIUM_COMMAND with depth EGYP_CHROMIUM_DEPTH and given
 158 # arguments. The full command line is echoed for logging.
 159 egyp_chromium() {
 160         set -- "${EGYP_CHROMIUM_COMMAND}" --depth="${EGYP_CHROMIUM_DEPTH}" "$@"
 161         echo "$@"
 162         "$@"
 163 }
 164
 165 # @FUNCTION: gyp_use
 166 # @USAGE: <USE flag> [GYP flag] [true suffix] [false suffix]
 167 # @DESCRIPTION:
 168 # If USE flag is set, echo -D[GYP flag]=[true suffix].
 169 #
 170 # If USE flag is not set, echo -D[GYP flag]=[false suffix].
 171 #
 172 # [GYP flag] defaults to use_[USE flag] with hyphens converted to underscores.
 173 #
 174 # [true suffix] defaults to 1. [false suffix] defaults to 0.
 175 gyp_use() {
 176         local gypflag="-D${2:-use_${1//-/_}}="
 177         usex "$1" "${gypflag}" "${gypflag}"  "${3-1}" "${4-0}"
 178 }