EAPI=8

#REQUIRED_BUILDSPACE='16G'
REQUIRED_BUILDSPACE="10600M"
# Check https://developer.palemoon.org/build/linux/ for supported versions
GCC_SUPPORTED_VERSIONS="7.5 8.5 9.3 9.4 10.3 11.3 12.2 12.3"

inherit palemoon-5 git-r3 flag-o-matic pax-utils

KEYWORDS="~amd64 ~x86"
DESCRIPTION="Pale Moon Web Browser"
HOMEPAGE="https://www.palemoon.org/"

SLOT="0"
LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
IUSE="
	+official-branding
	+optimize
	cpu_flags_x86_avx
	cpu_flags_x86_sse
	cpu_flags_x86_sse2
	threads
	debug
	+jemalloc
	valgrind
	dbus
	npapi
	necko-wifi
	gtk2
	gtk3
	pulseaudio
	+devtools
	+av1
	+jpegxl
	tests
	gamepad
	system-hunspell
	system-ffi
	system-cairo
	system-extension-dirs
	system-pixman
"

EGIT_REPO_URI="https://repo.palemoon.org/MoonchildProductions/Pale-Moon.git"
EGIT_COMMIT="${PV}_Release"

DEPEND="
	dev-lang/python:2.7
	>=dev-lang/perl-5.6
	dev-lang/yasm
"

RDEPEND="
	x11-libs/libXt
	app-arch/zip
	media-libs/freetype
	media-libs/fontconfig

	system-hunspell? ( app-text/hunspell )

	system-ffi? ( dev-libs/libffi )

	system-cairo? ( x11-libs/cairo )

	system-pixman? ( x11-libs/pixman )

	valgrind? ( dev-util/valgrind )

	dbus? (
		>=sys-apps/dbus-0.60
		>=dev-libs/dbus-glib-0.60
	)

	gtk2? ( >=x11-libs/gtk+-2.18.0:2 )
	gtk3? ( >=x11-libs/gtk+-3.4.0:3 )

	media-libs/alsa-lib
	pulseaudio? ( media-libs/libpulse )

	media-video/ffmpeg[x264]

	necko-wifi? ( net-wireless/wireless-tools )
"

REQUIRED_USE="
	optimize? ( !debug )
	jemalloc? ( !valgrind )
	^^ ( gtk2 gtk3 )
	necko-wifi? ( dbus )
"

src_prepare() {
	# Ensure that our plugins dir is enabled by default:
	sed -i -e "s:/usr/lib/mozilla/plugins:/usr/lib/nsbrowser/plugins:" \
		"${S}/platform/xpcom/io/nsAppFileLocationProvider.cpp" \
		|| die "sed failed to replace plugin path for 32bit!"
	sed -i -e "s:/usr/lib64/mozilla/plugins:/usr/lib64/nsbrowser/plugins:" \
		"${S}/platform/xpcom/io/nsAppFileLocationProvider.cpp" \
		|| die "sed failed to replace plugin path for 64bit!"

	default
}

src_configure() {
	# Basic configuration:
	mozconfig_init

	mozconfig_disable updater accessibility gconf webrtc gold

	if use npapi; then
		mozconfig_enable npapi
	else
		mozconfig_disable npapi
	fi

	if use gamepad; then
		mozconfig_enable gamepad
	else
		mozconfig_disable gamepad
	fi

	if use system-hunspell; then
		mozconfig_enable system-hunspell
	fi

	if use system-ffi; then
		mozconfig_enable system-ffi
	fi

	if use system-cairo; then
		mozconfig_enable system-cairo
	fi

	if use system-extension-dirs; then
		mozconfig_enable system-extension-dirs
	fi

	if use system-pixman; then
		mozconfig_enable system-pixman
	fi

	if use official-branding; then
		official-branding_warning
		mozconfig_enable official-branding
	fi

	if use optimize; then
		O='-O2'
		if use cpu_flags_x86_avx; then
			O="${O} -mavx"
		fi
		if use cpu_flags_x86_sse && use cpu_flags_x86_sse2; then
			O="${O} -msse2 -mfpmath=sse"
		fi
		mozconfig_enable "optimize=\"${O}\""
		# -ffast-math causes runtime failures
		filter-flags '-O*' '-mavx' '-msse2' '-mfpmath=sse' '-ffast-math'
	else
		mozconfig_disable optimize
	fi

	if use threads; then
		mozconfig_with pthreads
	fi

	if use debug; then
		mozconfig_var MOZ_DEBUG_SYMBOLS 1
		mozconfig_enable "debug-symbols=\"-gdwarf-2\""
	else
		mozconfig_disable debug
	fi

	if use jemalloc; then
		mozconfig_enable jemalloc
	else
		mozconfig_disable jemalloc
	fi

	if use valgrind; then
		mozconfig_enable valgrind
	fi

	if ! use dbus; then
		mozconfig_disable dbus
	fi

	if use gtk2; then
		mozconfig_enable default-toolkit=\"cairo-gtk2\"
	fi

	if use gtk3; then
		mozconfig_enable default-toolkit=\"cairo-gtk3\"
	fi

	if ! use necko-wifi; then
		mozconfig_disable necko-wifi
	fi

	if ! use pulseaudio; then
		mozconfig_disable pulseaudio
	fi

	if use devtools; then
		mozconfig_enable devtools
	fi

	if use av1; then
		mozconfig_enable av1
	fi

	if use jpegxl; then
		mozconfig_enable jxl
	fi

	# Enabling this causes xpcshell to hang during the packaging process,
	# so disabling it until the cause can be tracked down. It most likely
	# has something to do with the sandbox since the issue goes away when
	# building with FEATURES="-sandbox -usersandbox".
	mozconfig_disable precompiled-startupcache

	# Mainly to prevent system's NSS/NSPR from taking precedence over
	# the built-in ones:
	append-ldflags -Wl,-rpath="${EPREFIX}/usr/$(get_libdir)/palemoon"

	export MOZBUILD_STATE_PATH="${WORKDIR}/mach_state"
	mozconfig_var PYTHON $(which python2)
	mozconfig_var MOZ_MAKE_FLAGS "\"${MAKEOPTS}\""

	# Shorten obj dir to limit some errors linked to the path size hitting
	# a kernel limit (127 chars):
	mozconfig_var MOZ_OBJDIR "@TOPSRCDIR@/o"

	# Disable mach notifications, which also cause sandbox access violations:
	export MOZ_NOSPAM=1
}

src_compile() {
	# Prevents portage from setting its own XARGS which messes with the
	# Pale Moon build system checks:
	# See: https://gitweb.gentoo.org/proj/portage.git/tree/bin/isolated-functions.sh
	export XARGS="$(which xargs)"

	python2 "${S}/platform/mach" build || die
}

src_install() {
	# obj_dir changes depending on arch, compiler, etc:
	local obj_dir="$(echo */config.log)"
	obj_dir="${obj_dir%/*}"

	# Disable MPROTECT for startup cache creation:
	pax-mark m "${obj_dir}"/dist/bin/xpcshell

	# Set the backspace behaviour to be consistent with the other platforms:
	set_pref "browser.backspace_action" 0

	# Gotta create the package, unpack it and manually install the files
	# from there not to miss anything (e.g. the statusbar extension):
	einfo "Creating the package..."
	python2 "${S}/platform/mach" mozpackage || die
	local extracted_dir="${T}/package"
	mkdir -p "${extracted_dir}"
	cd "${extracted_dir}" || die
	einfo "Extracting the package..."
	if [[ ! -v CTARGET_default ]]; then
		CTARGET_default=*
	fi
	tar xjpf ${S}/${obj_dir}/dist/${P}.linux-${CTARGET_default%%-*}.tar.bz2 || die
	einfo "Installing the package..."
	local dest_libdir="/usr/$(get_libdir)"
	mkdir -p "${D}/${dest_libdir}"
	cp -rL "${PN}" "${D}/${dest_libdir}" || die
	dosym "${dest_libdir}/${PN}/${PN}" "/usr/bin/${PN}"
	einfo "Done installing the package."

	# Until JIT-less builds are supported,
	# also disable MPROTECT on the main executable:
	pax-mark m "${D}/${dest_libdir}/${PN}/"{palemoon,palemoon-bin,plugin-container}

	# Install icons and .desktop for menu entry:
	install_branding_files
}