S/390: Add support for STT_GNU_IFUNC symbols.
[glibc.git] / login / Makefile
blob9b6d2bb78c7e8eef33adc09f42dcc4aa31b9fb5c
1 # Copyright (C) 1996-1998,2000-2003,2007,2009,2012
2 # Free Software Foundation, Inc.
3 # This file is part of the GNU C Library.
5 # The GNU C Library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License, or (at your option) any later version.
10 # The GNU C Library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with the GNU C Library; if not, see
17 # <http://www.gnu.org/licenses/>.
20 # Sub-makefile for login portion of the library.
23 subdir := login
25 headers := utmp.h bits/utmp.h lastlog.h pty.h
27 routines := getutent getutent_r getutid getutline getutid_r getutline_r \
28 utmp_file utmpname updwtmp getpt grantpt unlockpt ptsname
30 CFLAGS-grantpt.c = -DLIBEXECDIR='"$(libexecdir)"'
32 others = utmpdump pt_chown
33 others-pie = pt_chown
34 install-others-programs = $(inst_libexecdir)/pt_chown
36 subdir-dirs = programs
37 vpath %.c programs
39 tests := tst-utmp tst-utmpx tst-grantpt
41 # Build the -lutil library with these extra functions.
42 extra-libs := libutil
43 extra-libs-others := $(extra-libs)
45 libutil-routines:= login login_tty logout logwtmp openpty forkpty
47 include ../Rules
49 CFLAGS-getpt.c = -fexceptions
51 ifeq (yesyes,$(have-fpie)$(build-shared))
52 pt_chown-cflags += $(pie-ccflag)
53 endif
54 ifeq (yes,$(have-ssp))
55 pt_chown-cflags += -fstack-protector
56 endif
57 ifeq (yes,$(have-libcap))
58 libcap = -lcap
59 endif
60 CFLAGS-pt_chown.c = $(pt_chown-cflags)
61 LDLIBS-pt_chown = $(libcap)
62 ifeq (yesyes,$(have-fpie)$(build-shared))
63 LDFLAGS-pt_chown = -Wl,-z,now
64 endif
66 # pt_chown needs to be setuid root.
67 $(inst_libexecdir)/pt_chown: $(objpfx)pt_chown $(+force)
68 $(make-target-directory)
69 -$(INSTALL_PROGRAM) -m 4755 -o root $< $@
71 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
72 # This ensures they will load libc.so for needed symbols if loaded by
73 # a statically-linked program that hasn't already loaded it.
74 $(objpfx)libutil.so: $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a