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udev: make blkid optional
I'm building systemd for an embedded system and we would prefer not having to include the entire util-linux package just to get a libblkid whose functionality we don't need.
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@ -1893,7 +1893,6 @@ libudev_core_la_SOURCES = \
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src/udev/udev-rules.c \
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src/udev/udev-ctrl.c \
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src/udev/udev-builtin.c \
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src/udev/udev-builtin-blkid.c \
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src/udev/udev-builtin-btrfs.c \
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src/udev/udev-builtin-firmware.c \
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src/udev/udev-builtin-hwdb.c \
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@ -1920,6 +1919,11 @@ libudev_core_la_CPPFLAGS = \
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$(AM_CPPFLAGS) \
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-DFIRMWARE_PATH="$(FIRMWARE_PATH)"
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if HAVE_BLKID
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libudev_core_la_SOURCES += \
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src/udev/udev-builtin-blkid.c
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endif
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if HAVE_ACL
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libudev_core_la_SOURCES += \
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src/udev/udev-builtin-uaccess.c \
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14
configure.ac
14
configure.ac
@ -194,7 +194,18 @@ m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-conf
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PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.3.2])
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PKG_CHECK_MODULES(KMOD, [libkmod >= 5])
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PKG_CHECK_MODULES(BLKID,[blkid >= 2.20])
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# ------------------------------------------------------------------------------
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have_blkid=no
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AC_ARG_ENABLE(blkid, AS_HELP_STRING([--disable-blkid], [disable blkid support]))
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if test "x$enable_blkid" != "xno"; then
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PKG_CHECK_MODULES(BLKID, [ blkid >= 2.20 ],
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[AC_DEFINE(HAVE_BLKID, 1, [Define if blkid is available]) have_blkid=yes], have_blkid=no)
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if test "x$have_blkid" = xno -a "x$enable_blkid" = xyes; then
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AC_MSG_ERROR([*** blkid support requested but libraries not found])
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fi
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fi
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AM_CONDITIONAL(HAVE_BLKID, [test "$have_blkid" = "yes"])
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# ------------------------------------------------------------------------------
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have_ima=yes
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@ -849,6 +860,7 @@ AC_MSG_RESULT([
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timedated: ${have_timedated}
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localed: ${have_localed}
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coredump: ${have_coredump}
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blkid: ${have_blkid}
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firmware path: ${FIRMWARE_PATH}
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gudev: ${enable_gudev}
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gintrospection: ${enable_introspection}
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@ -30,7 +30,9 @@
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static bool initialized;
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static const struct udev_builtin *builtins[] = {
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#ifdef HAVE_BLKID
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[UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
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#endif
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[UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs,
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[UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware,
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[UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb,
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@ -134,7 +134,9 @@ int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg);
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/* built-in commands */
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enum udev_builtin_cmd {
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#ifdef HAVE_BLKID
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UDEV_BUILTIN_BLKID,
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#endif
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UDEV_BUILTIN_BTRFS,
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UDEV_BUILTIN_FIRMWARE,
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UDEV_BUILTIN_HWDB,
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@ -157,7 +159,9 @@ struct udev_builtin {
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bool (*validate)(struct udev *udev);
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bool run_once;
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};
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#ifdef HAVE_BLKID
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extern const struct udev_builtin udev_builtin_blkid;
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#endif
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extern const struct udev_builtin udev_builtin_btrfs;
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extern const struct udev_builtin udev_builtin_firmware;
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extern const struct udev_builtin udev_builtin_hwdb;
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