Compat stuff is moved to src/compat-libs/.
Warnings are issued when programs are linked with the deprecated library.
EXTRA_DIST += \
src/login/logind-gperf.gperf \
- src/login/libsystemd-login.pc.in \
+ src/compat-libs/libsystemd-login.pc.in \
src/login/71-seat.rules.in \
src/login/73-seat-late.rules.in \
units/systemd-logind.service.in \
-rm -f _daemon.la id128.la _journal.la login.la _reader.la
# ------------------------------------------------------------------------------
+if ENABLE_COMPAT_LIBS
+
define generate-fake-lib
$(AM_V_at)$(MKDIR_P) $(dir $@)
- $(AM_V_GEN)sed -r -n 's/^ +(sd_.*);/void new_\1(void);\n__asm__(".symver new_\1,\1@LIBSYSTEMD_209");\nstatic void (*resolve_\1(void)) (void) {\n\treturn new_\1;\n}\nvoid \1(void) __attribute__((ifunc("resolve_\1")));\n/p' <$< >$@
+ $(AM_V_GEN)sed -r -n 's/^ +(sd_.*);/void new_\1(void);\n__asm__(".symver new_\1,\1@LIBSYSTEMD_209");\nstatic void (*resolve_\1(void)) (void) {\n\treturn new_\1;\n}\nvoid \1(void) __attribute__((ifunc("resolve_\1")));\nobsolete_lib(\1,$(notdir $(basename $<)));\n/p' <$< >$@
endef
libsystemd_login_la_SOURCES = \
libsystemd-login.c \
- src/login/libsystemd-login.sym
+ src/compat-libs/libsystemd-login.sym
libsystemd_login_la_CFLAGS = \
$(AM_CFLAGS) \
-fvisibility=default \
+ -imacros $(top_srcdir)/src/compat-libs/linkwarning.h \
-fno-lto
libsystemd_login_la_LDFLAGS = \
$(AM_LDFLAGS) \
-version-info $(LIBSYSTEMD_LOGIN_CURRENT):$(LIBSYSTEMD_LOGIN_REVISION):$(LIBSYSTEMD_LOGIN_AGE) \
- -Wl,--version-script=$(top_srcdir)/src/login/libsystemd-login.sym
+ -Wl,--version-script=$(top_srcdir)/src/compat-libs/libsystemd-login.sym
libsystemd_login_la_LIBADD = \
libsystemd.la
BUILT_SOURCES += \
libsystemd-login.c
-libsystemd-login.c: src/login/libsystemd-login.sym
+libsystemd-login.c: src/compat-libs/libsystemd-login.sym
$(generate-fake-lib)
lib_LTLIBRARIES += \
libsystemd-login.la
pkgconfiglib_DATA += \
- src/login/libsystemd-login.pc
+ src/compat-libs/libsystemd-login.pc
# move lib from $(libdir) to $(rootlibdir) and update devel link, if needed
libsystemd-login-install-hook:
INSTALL_EXEC_HOOKS += libsystemd-login-install-hook
UNINSTALL_EXEC_HOOKS += libsystemd-login-uninstall-hook
+endif
+
# ------------------------------------------------------------------------------
substitutions = \
'|rootlibexecdir=$(rootlibexecdir)|' \
$(generate-sym-test)
test-libsystemd-login-sym.c: \
- src/login/libsystemd-login.sym \
+ src/compat-libs/libsystemd-login.sym \
src/systemd/sd-login.h
$(generate-sym-test)
test-libsystemd-daemon-sym \
test-libsystemd-id128-sym \
test-libsystemd-journal-sym \
- test-libsystemd-login-sym \
test-libudev-sym
+if ENABLE_COMPAT_LIBS
+tests += \
+ test-libsystemd-login-sym
+endif
+
cppcheck:
cppcheck --enable=all -q $(top_srcdir)
[AC_MSG_ERROR([*** dbus-1 support requested but libraries not found])])])
AM_CONDITIONAL(HAVE_DBUS, [test "$have_dbus" = "yes"])
+# ------------------------------------------------------------------------------
+have_compat_libs=no
+AC_ARG_ENABLE([compat_libs], AS_HELP_STRING([--enable-compat-libs],[Enable creation of compatibility libraries]),
+ [case "${enableval}" in
+ yes) have_compat_libs=yes ;;
+ no) have_compat_libs=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-compat-libs) ;;
+ esac],
+ [have_compat_libs=no])
+AM_CONDITIONAL([ENABLE_COMPAT_LIBS], [test "$have_compat_libs" = "yes"])
+
# ------------------------------------------------------------------------------
have_coverage=no
AC_ARG_ENABLE(coverage, AS_HELP_STRING([--enable-coverage], [enable test coverage]))
test coverage: ${have_coverage}
Split /usr: ${enable_split_usr}
SysV compatibility: ${SYSTEM_SYSV_COMPAT}
+ compatibility libraries: ${have_compat_libs}
prefix: ${prefix}
rootprefix: ${with_rootprefix}
--- /dev/null
+/libsystemd-login.pc
includedir=@includedir@
Name: systemd
-Description: systemd Login Utility Library
+Description: systemd Login Utility Library deprecated compatibility library
URL: @PACKAGE_URL@
Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -lsystemd-login
+Libs: -L${libdir} -lsystemd
Cflags: -I${includedir}
--- /dev/null
+/***
+ This file is part of systemd, but is heavily based on
+ glibc's libc-symbols.h.
+
+ Copyright (C) 1995-1998,2000-2006,2008,2009 Free Software Foundation, Inc
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+
+#define __make_section_unallocated(section_string) \
+ asm (".section " section_string "\n\t.previous");
+
+#define __sec_comment "\n#APP\n\t#"
+
+#define link_warning(symbol, msg) \
+ __make_section_unallocated (".gnu.warning." #symbol) \
+ static const char __evoke_link_warning_##symbol[] \
+ __attribute__ ((used, section (".gnu.warning." #symbol __sec_comment))) \
+ = msg
+
+#define obsolete_lib(name, lib) \
+ link_warning(name, #name " was moved to libsystemd. Do not use " #lib ".")
-/libsystemd-login.pc
/logind-gperf.c
/org.freedesktop.login1.policy
/71-seat.rules