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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: chromium-2.eclass
# @MAINTAINER:
# Chromium Herd <chromium@gentoo.org>
# @AUTHOR:
# Mike Gilbert <floppym@gentoo.org>
# @BLURB: Shared functions for chromium and google-chrome
inherit eutils linux-info
if [[ ${PN} == chromium ]]; then
IUSE+=" custom-cflags"
fi
# @FUNCTION: chromium_suid_sandbox_check_kernel_config
# @USAGE:
# @DESCRIPTION:
# Ensures the system kernel supports features needed for SUID sandbox to work.
chromium_suid_sandbox_check_kernel_config() {
has "${EAPI:-0}" 0 1 2 3 && die "EAPI=${EAPI} is not supported"
if [[ "${MERGE_TYPE}" == "source" || "${MERGE_TYPE}" == "binary" ]]; then
# Warn if the kernel does not support features needed for sandboxing.
# Bug #363987.
ERROR_PID_NS="PID_NS is required for sandbox to work"
ERROR_NET_NS="NET_NS is required for sandbox to work"
ERROR_USER_NS="USER_NS is required for sandbox to work"
ERROR_SECCOMP_FILTER="SECCOMP_FILTER is required for sandbox to work"
# Warn if the kernel does not support features needed for the browser to work
# (bug #552576, bug #556286).
ERROR_ADVISE_SYSCALLS="CONFIG_ADVISE_SYSCALLS is required for the renderer (bug #552576)"
ERROR_COMPAT_VDSO="CONFIG_COMPAT_VDSO causes segfaults (bug #556286)"
ERROR_GRKERNSEC="CONFIG_GRKERNSEC breaks sandbox (bug #613668)"
CONFIG_CHECK="~PID_NS ~NET_NS ~SECCOMP_FILTER ~USER_NS ~ADVISE_SYSCALLS ~!COMPAT_VDSO ~!GRKERNSEC"
check_extra_config
fi
}
# @ECLASS-VARIABLE: CHROMIUM_LANGS
# @DEFAULT_UNSET
# @DESCRIPTION:
# List of language packs available for this package.
# @FUNCTION: _chromium_set_l10n_IUSE
# @INTERNAL
# @DESCRIPTION:
# Please document me
_chromium_set_l10n_IUSE() {
[[ ${EAPI:-0} == 0 ]] && die "EAPI=${EAPI} is not supported"
local lang
for lang in ${CHROMIUM_LANGS}; do
# Default to enabled since we bundle them anyway.
# USE-expansion will take care of disabling the langs the user has not
# selected via L10N.
IUSE+=" +l10n_${lang}"
done
}
if [[ ${CHROMIUM_LANGS} ]]; then
_chromium_set_l10n_IUSE
fi
# @FUNCTION: chromium_remove_language_paks
# @USAGE:
# @DESCRIPTION:
# Removes pak files from the current directory for languages that the user has
# not selected via the L10N variable.
# Also performs QA checks to ensure CHROMIUM_LANGS has been set correctly.
chromium_remove_language_paks() {
local lang pak
# Look for missing pak files.
for lang in ${CHROMIUM_LANGS}; do
if [[ ! -e ${lang}.pak ]]; then
eqawarn "L10N warning: no .pak file for ${lang} (${lang}.pak not found)"
fi
done
# Bug 588198
rm -f fake-bidi.pak || die
rm -f fake-bidi.pak.info || die
# Look for extra pak files.
# Remove pak files that the user does not want.
for pak in *.pak; do
lang=${pak%.pak}
if [[ ${lang} == en-US ]]; then
continue
fi
if ! has ${lang} ${CHROMIUM_LANGS}; then
eqawarn "L10N warning: no ${lang} in LANGS"
continue
fi
if ! use l10n_${lang}; then
rm "${pak}" || die
rm -f "${pak}.info" || die
fi
done
}
# @FUNCTION: chromium_pkg_die
# @DESCRIPTION:
# Various reasons to die
chromium_pkg_die() {
if [[ "${EBUILD_PHASE}" != "compile" ]]; then
return
fi
# Prevent user problems like bug #348235.
if ( shopt -s extglob; is-flagq '-g?(gdb)?([1-9])' ); then
ewarn
ewarn "You have enabled debug info (i.e. -g or -ggdb in your CFLAGS/CXXFLAGS)."
ewarn "This produces very large build files causes the linker to consume large"
ewarn "amounts of memory."
ewarn
ewarn "Please try removing -g{,gdb} before reporting a bug."
ewarn
fi
# ccache often causes bogus compile failures, especially when the cache gets
# corrupted.
if has ccache ${FEATURES}; then
ewarn
ewarn "You have enabled ccache. Please try disabling ccache"
ewarn "before reporting a bug."
ewarn
fi
# No ricer bugs.
if in_iuse custom-cflags && use custom-cflags; then
ewarn
ewarn "You have enabled the custom-cflags USE flag."
ewarn "Please disable it before reporting a bug."
ewarn
fi
# If the system doesn't have enough memory, the compilation is known to
# fail. Print info about memory to recognize this condition.
einfo
einfo "$(grep MemTotal /proc/meminfo)"
einfo "$(grep SwapTotal /proc/meminfo)"
einfo
}
# @VARIABLE: EGYP_CHROMIUM_COMMAND
# @DESCRIPTION:
# Path to the gyp_chromium script.
: ${EGYP_CHROMIUM_COMMAND:=build/gyp_chromium}
# @VARIABLE: EGYP_CHROMIUM_DEPTH
# @DESCRIPTION:
# Depth for egyp_chromium.
: ${EGYP_CHROMIUM_DEPTH:=.}
# @FUNCTION: egyp_chromium
# @USAGE: [gyp arguments]
# @DESCRIPTION:
# Calls EGYP_CHROMIUM_COMMAND with depth EGYP_CHROMIUM_DEPTH and given
# arguments. The full command line is echoed for logging.
egyp_chromium() {
set -- "${EGYP_CHROMIUM_COMMAND}" --depth="${EGYP_CHROMIUM_DEPTH}" "$@"
echo "$@"
"$@"
}
# @FUNCTION: gyp_use
# @USAGE: <USE flag> [GYP flag] [true suffix] [false suffix]
# @DESCRIPTION:
# If USE flag is set, echo -D[GYP flag]=[true suffix].
#
# If USE flag is not set, echo -D[GYP flag]=[false suffix].
#
# [GYP flag] defaults to use_[USE flag] with hyphens converted to underscores.
#
# [true suffix] defaults to 1. [false suffix] defaults to 0.
gyp_use() {
local gypflag="-D${2:-use_${1//-/_}}="
usex "$1" "${gypflag}" "${gypflag}" "${3-1}" "${4-0}"
}
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