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build-sys: merge libsystemd-login into libsystemd
A compatibility libsystemd-login library is created which uses .symver and ifunc magic proposed by Lennart to make programs linked to the old library name continue to work seamlessly. Unfortunately the bfd linker crashes: https://sourceware.org/bugzilla/show_bug.cgi?id=16467 This will be fixed in binutils 2.25. As a work-around, gold can be used: LDFLAGS=-Wl,-fuse-ld=gold Unfortunately the switch to pick the linker appeared in gcc 4.8. This also doesn't work with LLVM: http://llvm.org/bugs/show_bug.cgi?id=11897
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
39c4ead232
commit
0bba8d6eb7
1
.gitignore
vendored
1
.gitignore
vendored
@ -33,6 +33,7 @@
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/hostnamectl
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/install-tree
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/journalctl
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/libsystemd-login.c
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/libtool
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/localectl
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/loginctl
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125
Makefile.am
125
Makefile.am
@ -44,7 +44,7 @@ LIBGUDEV_REVISION=3
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LIBGUDEV_AGE=1
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LIBSYSTEMD_LOGIN_CURRENT=9
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LIBSYSTEMD_LOGIN_REVISION=1
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LIBSYSTEMD_LOGIN_REVISION=2
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LIBSYSTEMD_LOGIN_AGE=9
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LIBSYSTEMD_DAEMON_CURRENT=0
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@ -1804,14 +1804,7 @@ systemctl_LDADD = \
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libsystemd-units.la \
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libsystemd-label.la \
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libsystemd-internal.la \
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libsystemd-logs.la
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if ENABLE_LOGIND
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systemctl_LDADD += \
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libsystemd-login-internal.la
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endif
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systemctl_LDADD += \
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libsystemd-logs.la \
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libsystemd-journal-internal.la \
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libsystemd-id128-internal.la \
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libsystemd-daemon-internal.la \
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@ -1986,6 +1979,7 @@ libsystemd_la_SOURCES = \
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src/systemd/sd-event.h \
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src/systemd/sd-rtnl.h \
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src/systemd/sd-resolve.h \
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src/systemd/sd-login.h \
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src/libsystemd/sd-bus/sd-bus.c \
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src/libsystemd/sd-bus/bus-control.c \
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src/libsystemd/sd-bus/bus-control.h \
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@ -2032,7 +2026,10 @@ libsystemd_la_SOURCES = \
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src/libsystemd/sd-rtnl/rtnl-util.h \
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src/libsystemd/sd-rtnl/rtnl-util.c \
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src/libsystemd/sd-resolve/sd-resolve.c \
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src/libsystemd/sd-resolve/resolve-util.h
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src/libsystemd/sd-resolve/resolve-util.h \
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src/login/sd-login.c \
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src/login/login-shared.c \
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src/login/login-shared.h
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nodist_libsystemd_la_SOURCES = \
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src/libsystemd/sd-bus/bus-error-mapping.c
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@ -3272,11 +3269,6 @@ libsystemd_journal_core_la_LIBADD = \
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libsystemd-id128-internal.la \
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libsystemd-shared.la
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if ENABLE_LOGIND
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libsystemd_journal_core_la_LIBADD += \
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libsystemd-login-internal.la
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endif
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if HAVE_ACL
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libsystemd_journal_core_la_LIBADD += \
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libsystemd-acl.la
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@ -3474,12 +3466,8 @@ systemd_coredump_SOURCES = \
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systemd_coredump_LDADD = \
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libsystemd-journal-internal.la \
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libsystemd-label.la \
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libsystemd-shared.la
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if ENABLE_LOGIND
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systemd_coredump_LDADD += \
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libsystemd-login-internal.la
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endif
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libsystemd-shared.la \
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libsystemd-internal.la
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rootlibexec_PROGRAMS += \
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systemd-coredump
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@ -4242,14 +4230,14 @@ test_login_SOURCES = \
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src/login/test-login.c
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test_login_LDADD = \
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libsystemd-login-internal.la \
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libsystemd-internal.la \
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libsystemd-shared.la
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test_login_shared_SOURCES = \
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src/login/test-login-shared.c
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test_login_shared_LDADD = \
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libsystemd-login-internal.la \
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libsystemd-internal.la \
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libsystemd-shared.la
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test_inhibit_SOURCES = \
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@ -4275,29 +4263,6 @@ tests += \
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test-login-tables \
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test-login-shared
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libsystemd_login_la_SOURCES = \
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src/login/libsystemd-login.sym \
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src/login/sd-login.c \
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src/systemd/sd-login.h \
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src/login/login-shared.c \
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src/login/login-shared.h
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libsystemd_login_la_CFLAGS = \
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$(AM_CFLAGS) \
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-fvisibility=hidden
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libsystemd_login_la_LDFLAGS = \
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$(AM_LDFLAGS) \
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-version-info $(LIBSYSTEMD_LOGIN_CURRENT):$(LIBSYSTEMD_LOGIN_REVISION):$(LIBSYSTEMD_LOGIN_AGE) \
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-Wl,--version-script=$(top_srcdir)/src/login/libsystemd-login.sym
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libsystemd_login_la_LIBADD = \
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libsystemd-daemon-internal.la \
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libsystemd-shared.la
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libsystemd_login_internal_la_SOURCES = \
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$(libsystemd_login_la_SOURCES)
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if HAVE_PAM
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pam_systemd_la_SOURCES = \
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src/login/pam-module.c
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@ -4330,16 +4295,6 @@ dist_pamconf_DATA = \
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src/login/systemd-user
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endif
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# move lib from $(libdir) to $(rootlibdir) and update devel link, if needed
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libsystemd-login-install-hook:
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libname=libsystemd-login.so && $(move-to-rootlibdir)
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libsystemd-login-uninstall-hook:
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rm -f $(DESTDIR)$(rootlibdir)/libsystemd-login.so*
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INSTALL_EXEC_HOOKS += libsystemd-login-install-hook
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UNINSTALL_EXEC_HOOKS += libsystemd-login-uninstall-hook
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nodist_systemunit_DATA += \
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units/systemd-logind.service \
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units/systemd-user-sessions.service
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@ -4360,15 +4315,6 @@ dist_pkgsysconf_DATA += \
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pkginclude_HEADERS += \
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src/systemd/sd-login.h
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lib_LTLIBRARIES += \
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libsystemd-login.la
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noinst_LTLIBRARIES += \
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libsystemd-login-internal.la
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pkgconfiglib_DATA += \
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src/login/libsystemd-login.pc
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polkitpolicy_files += \
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src/login/org.freedesktop.login1.policy
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@ -4536,7 +4482,7 @@ login_la_LDFLAGS = \
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login_la_LIBADD = \
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$(PYTHON_DEVEL_LIBS) \
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libsystemd-journal.la \
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libsystemd-login.la \
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libsystemd.la \
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libsystemd-daemon-internal.la \
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libsystemd-shared.la
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@ -4580,6 +4526,50 @@ clean-python:
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-rm -rf src/python-systemd/.libs src/python-systemd/*.l[ao]
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-rm -f _daemon.la id128.la _journal.la login.la _reader.la
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# ------------------------------------------------------------------------------
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define generate-fake-lib
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$(AM_V_at)$(MKDIR_P) $(dir $@)
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$(AM_V_GEN)sed -r -n 's/^ +(sd_.*);/void new_\1(void);\n__asm__(".symver new_\1,\1@LIBSYSTEMD_209");\nstatic void (*resolve_\1(void)) (void) {\n\treturn new_\1;\n}\nvoid \1(void) __attribute__((ifunc("resolve_\1")));\n/p' <$< >$@
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endef
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libsystemd_login_la_SOURCES = \
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libsystemd-login.c \
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src/login/libsystemd-login.sym
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libsystemd_login_la_CFLAGS = \
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$(AM_CFLAGS) \
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-fvisibility=default
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libsystemd_login_la_LDFLAGS = \
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$(AM_LDFLAGS) \
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-version-info $(LIBSYSTEMD_LOGIN_CURRENT):$(LIBSYSTEMD_LOGIN_REVISION):$(LIBSYSTEMD_LOGIN_AGE) \
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-Wl,--version-script=$(top_srcdir)/src/login/libsystemd-login.sym
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libsystemd_login_la_LIBADD = \
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libsystemd.la
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BUILT_SOURCES += \
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libsystemd-login.c
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libsystemd-login.c: src/login/libsystemd-login.sym
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$(generate-fake-lib)
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lib_LTLIBRARIES += \
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libsystemd-login.la
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pkgconfiglib_DATA += \
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src/login/libsystemd-login.pc
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# move lib from $(libdir) to $(rootlibdir) and update devel link, if needed
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libsystemd-login-install-hook:
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libname=libsystemd-login.so && $(move-to-rootlibdir)
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libsystemd-login-uninstall-hook:
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rm -f $(DESTDIR)$(rootlibdir)/libsystemd-login.so*
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INSTALL_EXEC_HOOKS += libsystemd-login-install-hook
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UNINSTALL_EXEC_HOOKS += libsystemd-login-uninstall-hook
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# ------------------------------------------------------------------------------
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substitutions = \
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'|rootlibexecdir=$(rootlibexecdir)|' \
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@ -4996,7 +4986,8 @@ endef
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test-libsystemd-sym.c: \
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src/libsystemd/libsystemd.sym \
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src/systemd/sd-bus.h \
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src/systemd/sd-utf8.h
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src/systemd/sd-utf8.h \
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src/systemd/sd-login.h
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$(generate-sym-test)
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test-libsystemd-daemon-sym.c: \
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@ -9,6 +9,67 @@
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LIBSYSTEMD_209 {
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global:
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/* originally LIBSYSTEMD_LOGIN_31 */
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sd_get_seats;
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sd_get_sessions;
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sd_get_uids;
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sd_login_monitor_flush;
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sd_login_monitor_get_fd;
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sd_login_monitor_new;
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sd_login_monitor_unref;
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sd_pid_get_owner_uid;
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sd_pid_get_session;
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sd_seat_can_multi_session;
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sd_seat_get_active;
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sd_seat_get_sessions;
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sd_session_get_seat;
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sd_session_get_uid;
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sd_session_is_active;
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sd_uid_get_seats;
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sd_uid_get_sessions;
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sd_uid_get_state;
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sd_uid_is_on_seat;
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/* originally LIBSYSTEMD_LOGIN_38 */
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sd_pid_get_unit;
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sd_session_get_service;
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/* originally LIBSYSTEMD_LOGIN_43 */
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sd_session_get_type;
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sd_session_get_class;
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sd_session_get_display;
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/* originally LIBSYSTEMD_LOGIN_186 */
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sd_session_get_state;
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sd_seat_can_tty;
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sd_seat_can_graphical;
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/* originally LIBSYSTEMD_LOGIN_198 */
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sd_session_get_tty;
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/* originally LIBSYSTEMD_LOGIN_201 */
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sd_login_monitor_get_events;
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sd_login_monitor_get_timeout;
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/* originally LIBSYSTEMD_LOGIN_202 */
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sd_pid_get_user_unit;
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sd_pid_get_machine_name;
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/* originally LIBSYSTEMD_LOGIN_203 */
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sd_get_machine_names;
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/* originally LIBSYSTEMD_LOGIN_205 */
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sd_pid_get_slice;
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/* originally LIBSYSTEMD_LOGIN_207 */
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sd_session_get_vt;
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/* new in LIBSYSTEMD_LOGIN_209 */
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sd_session_is_remote;
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sd_session_get_remote_user;
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sd_session_get_remote_host;
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/* Same order as in sd-bus.h should be used */
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/* Connections */
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@ -85,10 +85,3 @@ LIBSYSTEMD_LOGIN_207 {
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global:
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sd_session_get_vt;
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} LIBSYSTEMD_LOGIN_205;
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LIBSYSTEMD_LOGIN_209 {
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global:
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sd_session_is_remote;
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sd_session_get_remote_user;
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sd_session_get_remote_host;
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} LIBSYSTEMD_LOGIN_207;
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