From 53e856e16ac37fe30b8bb59153ff69aad0fa9c27 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Sun, 19 Jan 2014 08:50:02 -0500 Subject: build-sys: create "compatibility libraries" section Compat stuff is moved to src/compat-libs/. Warnings are issued when programs are linked with the deprecated library. --- src/compat-libs/.gitignore | 1 + src/compat-libs/libsystemd-login.pc.in | 18 +++++++ src/compat-libs/libsystemd-login.sym | 87 ++++++++++++++++++++++++++++++++++ src/compat-libs/linkwarning.h | 34 +++++++++++++ 4 files changed, 140 insertions(+) create mode 100644 src/compat-libs/.gitignore create mode 100644 src/compat-libs/libsystemd-login.pc.in create mode 100644 src/compat-libs/libsystemd-login.sym create mode 100644 src/compat-libs/linkwarning.h (limited to 'src/compat-libs') diff --git a/src/compat-libs/.gitignore b/src/compat-libs/.gitignore new file mode 100644 index 0000000000..0b8d1067d9 --- /dev/null +++ b/src/compat-libs/.gitignore @@ -0,0 +1 @@ +/libsystemd-login.pc diff --git a/src/compat-libs/libsystemd-login.pc.in b/src/compat-libs/libsystemd-login.pc.in new file mode 100644 index 0000000000..677f6b6681 --- /dev/null +++ b/src/compat-libs/libsystemd-login.pc.in @@ -0,0 +1,18 @@ +# This file is part of systemd. +# +# 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. + +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: systemd +Description: systemd Login Utility Library deprecated compatibility library +URL: @PACKAGE_URL@ +Version: @PACKAGE_VERSION@ +Libs: -L${libdir} -lsystemd +Cflags: -I${includedir} diff --git a/src/compat-libs/libsystemd-login.sym b/src/compat-libs/libsystemd-login.sym new file mode 100644 index 0000000000..54aa91c609 --- /dev/null +++ b/src/compat-libs/libsystemd-login.sym @@ -0,0 +1,87 @@ +/*** + This file is part of systemd. + + 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. +***/ + +/* Original symbols from systemd v31 */ + +LIBSYSTEMD_LOGIN_31 { +global: + sd_get_seats; + sd_get_sessions; + sd_get_uids; + sd_login_monitor_flush; + sd_login_monitor_get_fd; + sd_login_monitor_new; + sd_login_monitor_unref; + sd_pid_get_owner_uid; + sd_pid_get_session; + sd_seat_can_multi_session; + sd_seat_get_active; + sd_seat_get_sessions; + sd_session_get_seat; + sd_session_get_uid; + sd_session_is_active; + sd_uid_get_seats; + sd_uid_get_sessions; + sd_uid_get_state; + sd_uid_is_on_seat; +local: + *; +}; + +LIBSYSTEMD_LOGIN_38 { +global: + sd_pid_get_unit; + sd_session_get_service; +} LIBSYSTEMD_LOGIN_31; + +LIBSYSTEMD_LOGIN_43 { +global: + sd_session_get_type; + sd_session_get_class; + sd_session_get_display; +} LIBSYSTEMD_LOGIN_38; + +LIBSYSTEMD_LOGIN_186 { +global: + sd_session_get_state; + sd_seat_can_tty; + sd_seat_can_graphical; +} LIBSYSTEMD_LOGIN_43; + +LIBSYSTEMD_LOGIN_198 { +global: + sd_session_get_tty; +} LIBSYSTEMD_LOGIN_186; + +LIBSYSTEMD_LOGIN_201 { +global: + sd_login_monitor_get_events; + sd_login_monitor_get_timeout; +} LIBSYSTEMD_LOGIN_198; + +LIBSYSTEMD_LOGIN_202 { +global: + sd_pid_get_user_unit; + sd_pid_get_machine_name; +} LIBSYSTEMD_LOGIN_201; + +LIBSYSTEMD_LOGIN_203 { +global: + sd_get_machine_names; +} LIBSYSTEMD_LOGIN_202; + +LIBSYSTEMD_LOGIN_205 { +global: + sd_pid_get_slice; +} LIBSYSTEMD_LOGIN_203; + +LIBSYSTEMD_LOGIN_207 { +global: + sd_session_get_vt; +} LIBSYSTEMD_LOGIN_205; diff --git a/src/compat-libs/linkwarning.h b/src/compat-libs/linkwarning.h new file mode 100644 index 0000000000..b6a6ac2940 --- /dev/null +++ b/src/compat-libs/linkwarning.h @@ -0,0 +1,34 @@ +/*** + 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 . +***/ + + +#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 ".") -- cgit v1.2.3-54-g00ecf