The block layer uses it to support bzip2 compression in dmg images.
That code makes it into softmmu binaries and userland utils.
LICENSE="GPL-2 LGPL-2 BSD-2"
SLOT="0"
-IUSE="accessibility +aio alsa bluetooth +caps +curl debug +fdt glusterfs \
+IUSE="accessibility +aio alsa bluetooth bzip2 +caps +curl debug +fdt glusterfs \
gnutls gtk gtk2 infiniband iscsi +jpeg \
kernel_linux kernel_FreeBSD lzo ncurses nfs nls numa opengl +pin-upstream-blobs
+png pulseaudio python \
#
# Older versions of gnutls are supported, but it's simpler to just require
# the latest versions. This is also why we require nettle.
+#
+# TODO: Split out tools deps into another var. e.g. bzip2 is only used by
+# system binaries and tools, not user binaries.
COMMON_LIB_DEPEND=">=dev-libs/glib-2.0[static-libs(+)]
sys-libs/zlib[static-libs(+)]
+ bzip2? ( app-arch/bzip2[static-libs(+)] )
xattr? ( sys-apps/attr[static-libs(+)] )"
SOFTMMU_LIB_DEPEND="${COMMON_LIB_DEPEND}
>=x11-libs/pixman-0.28.0[static-libs(+)]
conf_opts+=(
$(conf_softmmu accessibility brlapi)
$(conf_softmmu aio linux-aio)
+ $(conf_softmmu bzip2)
$(conf_softmmu bluetooth bluez)
$(conf_softmmu caps cap-ng)
$(conf_softmmu curl)
--disable-linux-user
--disable-system
--disable-blobs
+ $(use_enable bzip2)
)
static_flag="static"
;;
LICENSE="GPL-2 LGPL-2 BSD-2"
SLOT="0"
-IUSE="accessibility +aio alsa bluetooth +caps +curl debug +fdt glusterfs \
+IUSE="accessibility +aio alsa bluetooth bzip2 +caps +curl debug +fdt glusterfs \
gnutls gtk gtk2 infiniband iscsi +jpeg \
kernel_linux kernel_FreeBSD lzo ncurses nfs nls numa opengl +pin-upstream-blobs
+png pulseaudio python \
#
# Older versions of gnutls are supported, but it's simpler to just require
# the latest versions. This is also why we require nettle.
+#
+# TODO: Split out tools deps into another var. e.g. bzip2 is only used by
+# system binaries and tools, not user binaries.
COMMON_LIB_DEPEND=">=dev-libs/glib-2.0[static-libs(+)]
sys-libs/zlib[static-libs(+)]
+ bzip2? ( app-arch/bzip2[static-libs(+)] )
xattr? ( sys-apps/attr[static-libs(+)] )"
SOFTMMU_LIB_DEPEND="${COMMON_LIB_DEPEND}
>=x11-libs/pixman-0.28.0[static-libs(+)]
conf_opts+=(
$(conf_softmmu accessibility brlapi)
$(conf_softmmu aio linux-aio)
+ $(conf_softmmu bzip2)
$(conf_softmmu bluetooth bluez)
$(conf_softmmu caps cap-ng)
$(conf_softmmu curl)
--disable-linux-user
--disable-system
--disable-blobs
+ $(use_enable bzip2)
)
static_flag="static"
;;
LICENSE="GPL-2 LGPL-2 BSD-2"
SLOT="0"
-IUSE="accessibility +aio alsa bluetooth +caps +curl debug +fdt glusterfs \
+IUSE="accessibility +aio alsa bluetooth bzip2 +caps +curl debug +fdt glusterfs \
gnutls gtk gtk2 infiniband iscsi +jpeg \
kernel_linux kernel_FreeBSD lzo ncurses nfs nls numa opengl +pin-upstream-blobs
+png pulseaudio python \
#
# Older versions of gnutls are supported, but it's simpler to just require
# the latest versions. This is also why we require nettle.
+#
+# TODO: Split out tools deps into another var. e.g. bzip2 is only used by
+# system binaries and tools, not user binaries.
COMMON_LIB_DEPEND=">=dev-libs/glib-2.0[static-libs(+)]
sys-libs/zlib[static-libs(+)]
+ bzip2? ( app-arch/bzip2[static-libs(+)] )
xattr? ( sys-apps/attr[static-libs(+)] )"
SOFTMMU_LIB_DEPEND="${COMMON_LIB_DEPEND}
>=x11-libs/pixman-0.28.0[static-libs(+)]
conf_opts+=(
$(conf_softmmu accessibility brlapi)
$(conf_softmmu aio linux-aio)
+ $(conf_softmmu bzip2)
$(conf_softmmu bluetooth bluez)
$(conf_softmmu caps cap-ng)
$(conf_softmmu curl)
--disable-linux-user
--disable-system
--disable-blobs
+ $(use_enable bzip2)
)
static_flag="static"
;;