[libvirt] [PATCH 11/14] build: explicitly link all modules with libvirt.so
Daniel P. Berrangé
berrange at redhat.com
Thu Jan 25 09:38:22 UTC 2018
The dlopened modules we currently build all use various symbols from
libvirt.so, but don't actually link to it. They rely on the libvirtd
daemon re-exporting the libvirt.so symbols. This means that at the
time the modules are linked, they contain a huge number of undefined
symbols. It also means that these undefined symbols are not versioned,
so despite us providing a LIBVIRT_PRIVATE_XXXX version that
intentionally changes on every release, the loadable modules could
actually be loaded into any libvirtd regardless of version.
This change explicitly links all modules against libvirt.so so
that they don't rely on the re-export behave and can be fully resolved
at build time. This will give us a stronger guarantee modules will
actually be loadable at runtime and that we're using modules from the
matched build.
Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
---
src/Makefile.am | 49 ++++++++++++++++++++++++++++---------------------
1 file changed, 28 insertions(+), 21 deletions(-)
diff --git a/src/Makefile.am b/src/Makefile.am
index ec2b4f631c..492bbac22e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1334,7 +1334,7 @@ noinst_LTLIBRARIES += libvirt_driver_xen_impl.la
libvirt_driver_xen_la_SOURCES =
libvirt_driver_xen_la_LIBADD = libvirt_driver_xen_impl.la
mod_LTLIBRARIES += libvirt_driver_xen.la
-libvirt_driver_xen_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_xen_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_xen_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_xen_impl_la_CFLAGS = \
@@ -1380,7 +1380,7 @@ libvirt_driver_vbox_la_SOURCES =
libvirt_driver_vbox_la_LIBADD = libvirt_driver_vbox_impl.la
mod_LTLIBRARIES += \
libvirt_driver_vbox.la
-libvirt_driver_vbox_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_vbox_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_vbox_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_vbox_impl_la_CFLAGS = \
@@ -1409,7 +1409,7 @@ noinst_LTLIBRARIES += libvirt_driver_libxl_impl.la
libvirt_driver_libxl_la_SOURCES =
libvirt_driver_libxl_la_LIBADD = libvirt_driver_libxl_impl.la
mod_LTLIBRARIES += libvirt_driver_libxl.la
-libvirt_driver_libxl_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_libxl_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_libxl_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_libxl_impl_la_CFLAGS = \
@@ -1421,8 +1421,7 @@ libvirt_driver_libxl_impl_la_CFLAGS = \
$(AM_CFLAGS)
libvirt_driver_libxl_impl_la_LDFLAGS = $(AM_LDFLAGS)
libvirt_driver_libxl_impl_la_LIBADD = $(LIBXL_LIBS) \
- libvirt_xenconfig_libxl.la \
- libvirt_secret.la
+ libvirt_xenconfig_libxl.la
libvirt_driver_libxl_impl_la_SOURCES = $(LIBXL_DRIVER_SOURCES)
conf_DATA += libxl/libxl.conf
@@ -1439,7 +1438,7 @@ noinst_LTLIBRARIES += libvirt_driver_qemu_impl.la
libvirt_driver_qemu_la_SOURCES =
libvirt_driver_qemu_la_LIBADD = libvirt_driver_qemu_impl.la
mod_LTLIBRARIES += libvirt_driver_qemu.la
-libvirt_driver_qemu_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_qemu_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_qemu_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_qemu_impl_la_CFLAGS = \
@@ -1455,7 +1454,6 @@ libvirt_driver_qemu_impl_la_LIBADD = $(CAPNG_LIBS) \
$(GNUTLS_LIBS) \
$(LIBNL_LIBS) \
$(LIBXML_LIBS) \
- libvirt_secret.la \
$(NULL)
libvirt_driver_qemu_impl_la_SOURCES = $(QEMU_DRIVER_SOURCES)
@@ -1475,7 +1473,7 @@ noinst_LTLIBRARIES += libvirt_driver_lxc_impl.la
libvirt_driver_lxc_la_SOURCES =
libvirt_driver_lxc_la_LIBADD = libvirt_driver_lxc_impl.la
mod_LTLIBRARIES += libvirt_driver_lxc.la
-libvirt_driver_lxc_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_lxc_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_lxc_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_lxc_impl_la_CFLAGS = \
@@ -1512,7 +1510,7 @@ noinst_LTLIBRARIES += libvirt_driver_uml_impl.la
libvirt_driver_uml_la_SOURCES =
libvirt_driver_uml_la_LIBADD = libvirt_driver_uml_impl.la
mod_LTLIBRARIES += libvirt_driver_uml.la
-libvirt_driver_uml_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_uml_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_uml_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_uml_impl_la_CFLAGS = \
@@ -1584,7 +1582,7 @@ noinst_LTLIBRARIES += libvirt_driver_vz_impl.la
libvirt_driver_vz_la_SOURCES =
libvirt_driver_vz_la_LIBADD = libvirt_driver_vz_impl.la
mod_LTLIBRARIES += libvirt_driver_vz.la
-libvirt_driver_vz_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_vz_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_vz_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_vz_impl_la_CFLAGS = \
-I$(srcdir)/conf \
@@ -1600,7 +1598,7 @@ noinst_LTLIBRARIES += libvirt_driver_bhyve_impl.la
libvirt_driver_bhyve_la_SOURCES =
libvirt_driver_bhyve_la_LIBADD = libvirt_driver_bhyve_impl.la
mod_LTLIBRARIES += libvirt_driver_bhyve.la
-libvirt_driver_bhyve_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_bhyve_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_bhyve_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_bhyve_impl_la_CFLAGS = \
@@ -1623,7 +1621,7 @@ noinst_LTLIBRARIES += libvirt_driver_network_impl.la
libvirt_driver_network_la_SOURCES =
libvirt_driver_network_la_LIBADD = libvirt_driver_network_impl.la
mod_LTLIBRARIES += libvirt_driver_network.la
-libvirt_driver_network_la_LIBADD += ../gnulib/lib/libgnu.la \
+libvirt_driver_network_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la \
$(LIBNL_LIBS) \
$(DBUS_LIBS) \
$(NULL)
@@ -1657,7 +1655,7 @@ if WITH_UDEV
libvirt_driver_interface_la_CFLAGS += $(UDEV_CFLAGS)
libvirt_driver_interface_la_LIBADD += $(UDEV_LIBS)
endif WITH_UDEV
-libvirt_driver_interface_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_interface_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_interface_la_LDFLAGS += -module -avoid-version
libvirt_driver_interface_la_SOURCES = $(INTERFACE_DRIVER_SOURCES)
endif WITH_INTERFACE
@@ -1668,7 +1666,7 @@ libvirt_driver_secret_la_CFLAGS = \
-I$(srcdir)/access \
-I$(srcdir)/conf \
$(AM_CFLAGS)
-libvirt_driver_secret_la_LIBADD = ../gnulib/lib/libgnu.la
+libvirt_driver_secret_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_secret_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_secret_la_SOURCES = $(SECRET_DRIVER_SOURCES)
endif WITH_SECRETS
@@ -1696,7 +1694,7 @@ noinst_LTLIBRARIES += libvirt_driver_storage_impl.la
libvirt_driver_storage_la_SOURCES =
libvirt_driver_storage_la_LIBADD = libvirt_driver_storage_impl.la
mod_LTLIBRARIES += libvirt_driver_storage.la
-libvirt_driver_storage_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_storage_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_storage_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
libvirt_driver_storage_impl_la_SOURCES += $(STORAGE_DRIVER_SOURCES)
@@ -1709,6 +1707,7 @@ libvirt_storage_backend_fs_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_fs.la
libvirt_storage_backend_fs_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_fs_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE
if WITH_STORAGE_LVM
@@ -1721,6 +1720,7 @@ libvirt_storage_backend_logical_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_logical.la
libvirt_storage_backend_logical_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_logical_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_LVM
if WITH_STORAGE_ISCSI
@@ -1734,6 +1734,7 @@ libvirt_storage_backend_iscsi_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_iscsi.la
libvirt_storage_backend_iscsi_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_iscsi_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_ISCSI
if WITH_STORAGE_SCSI
@@ -1745,6 +1746,7 @@ libvirt_storage_backend_scsi_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_scsi.la
libvirt_storage_backend_scsi_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_scsi_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_SCSI
if WITH_STORAGE_MPATH
@@ -1759,6 +1761,7 @@ libvirt_storage_backend_mpath_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_mpath.la
libvirt_storage_backend_mpath_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_mpath_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_MPATH
if WITH_STORAGE_DISK
@@ -1770,6 +1773,7 @@ libvirt_storage_backend_disk_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_disk.la
libvirt_storage_backend_disk_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_disk_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_DISK
if WITH_STORAGE_RBD
@@ -1783,6 +1787,7 @@ libvirt_storage_backend_rbd_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_rbd.la
libvirt_storage_backend_rbd_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_rbd_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_RBD
if WITH_STORAGE_SHEEPDOG
@@ -1803,6 +1808,7 @@ noinst_LTLIBRARIES += libvirt_storage_backend_sheepdog_priv.la
storagebackend_LTLIBRARIES += libvirt_storage_backend_sheepdog.la
libvirt_storage_backend_sheepdog_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_sheepdog_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_SHEEPDOG
if WITH_STORAGE_GLUSTER
@@ -1817,6 +1823,7 @@ libvirt_storage_backend_gluster_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_gluster.la
libvirt_storage_backend_gluster_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_gluster_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_GLUSTER
if WITH_STORAGE_ZFS
@@ -1828,6 +1835,7 @@ libvirt_storage_backend_zfs_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_zfs.la
libvirt_storage_backend_zfs_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_zfs_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_ZFS
if WITH_STORAGE_VSTORAGE
@@ -1840,6 +1848,7 @@ libvirt_storage_backend_vstorage_la_CFLAGS = \
storagebackend_LTLIBRARIES += libvirt_storage_backend_vstorage.la
libvirt_storage_backend_vstorage_la_LDFLAGS = \
-module -avoid-version $(AM_LDFLAGS)
+libvirt_storage_backend_vstorage_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
endif WITH_STORAGE_VSTORAGE
if WITH_NODE_DEVICES
@@ -1867,7 +1876,7 @@ libvirt_driver_nodedev_la_LIBADD += $(UDEV_LIBS) $(PCIACCESS_LIBS)
endif WITH_UDEV
endif WITH_LIBVIRTD
-libvirt_driver_nodedev_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_nodedev_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_nodedev_la_LDFLAGS += -module -avoid-version
endif WITH_NODE_DEVICES
@@ -1890,7 +1899,7 @@ libvirt_driver_nwfilter_impl_la_LIBADD = \
$(LIBPCAP_LIBS) \
$(LIBNL_LIBS) \
$(DBUS_LIBS)
-libvirt_driver_nwfilter_impl_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_nwfilter_impl_la_LIBADD += libvirt.la ../gnulib/lib/libgnu.la
libvirt_driver_nwfilter_impl_la_LDFLAGS += -module -avoid-version
libvirt_driver_nwfilter_impl_la_SOURCES = $(NWFILTER_DRIVER_SOURCES)
endif WITH_NWFILTER
@@ -2568,8 +2577,7 @@ lockd_la_CFLAGS = -I$(srcdir)/conf \
$(XDR_CFLAGS) \
$(AM_CFLAGS)
lockd_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
-lockd_la_LIBADD = ../gnulib/lib/libgnu.la \
- $(NULL)
+lockd_la_LIBADD = libvirt.la ../gnulib/lib/libgnu.la
augeas_DATA += locking/libvirt_lockd.aug
if WITH_DTRACE_PROBES
lockd_la_LIBADD += libvirt_probes.lo
@@ -2848,8 +2856,7 @@ lockdriver_LTLIBRARIES += sanlock.la
sanlock_la_SOURCES = $(LOCK_DRIVER_SANLOCK_SOURCES)
sanlock_la_CFLAGS = -I$(srcdir)/conf $(AM_CFLAGS)
sanlock_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS)
-sanlock_la_LIBADD = -lsanlock_client \
- ../gnulib/lib/libgnu.la
+sanlock_la_LIBADD = -lsanlock_client libvirt.la ../gnulib/lib/libgnu.la
augeas_DATA += locking/libvirt_sanlock.aug
augeastest_DATA += test_libvirt_sanlock.aug
--
2.14.3
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