login/Makefile

   1 # Copyright (C) 1996-2023 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <https://www.gnu.org/licenses/>.
  17
  18 #
  19 #       Sub-makefile for login portion of the library.
  20 #
  21
  22 subdir  := login
  23
  24 include ../Makeconfig
  25
  26 headers := utmp.h bits/utmp.h lastlog.h pty.h
  27
  28 routines := getlogin getlogin_r setlogin getlogin_r_chk \
  29             getutent getutent_r getutid getutline getutid_r getutline_r \
  30             utmp_file utmpname updwtmp getpt grantpt unlockpt ptsname \
  31             ptsname_r_chk login login_tty logout logwtmp openpty forkpty
  32
  33 CFLAGS-grantpt.c += -DLIBEXECDIR='"$(libexecdir)"'
  34
  35 others = utmpdump
  36
  37 ifeq (yes,$(build-pt-chown))
  38 others += pt_chown
  39 others-pie = pt_chown
  40 install-others-programs = $(inst_libexecdir)/pt_chown
  41 endif
  42
  43 subdir-dirs = programs
  44 vpath %.c programs
  45
  46 tests := tst-utmp tst-utmpx tst-grantpt tst-ptsname tst-getlogin tst-updwtmpx \
  47   tst-pututxline-lockfail tst-pututxline-cache
  48
  49 # Empty compatibility library for old binaries.
  50 extra-libs      := libutil
  51 extra-libs-others := $(extra-libs)
  52 ifeq ($(have-GLIBC_2.33),yes)
  53 libutil-routines := libutil-compat
  54 libutil-shared-only-routines := libutil-compat
  55
  56 # Pretend that libutil.so is a linker script, so that the symbolic
  57 # link is not installed.
  58 install-lib-ldscripts = libutil.so
  59 $(inst_libdir)/libutil.so:
  60 else  # not $(have-GLIBC_2.33)
  61 libutil-inhibit-o = $(filter-out .o,$(object-suffixes))
  62 endif # $(have-GLIBC_2.33)
  63
  64 include ../Rules
  65
  66 CFLAGS-getpt.c += -fexceptions
  67 CFLAGS-getlogin_r.c += $(config-cflags-wno-ignored-attributes)
  68
  69 # Exclude fortified routines from being built with _FORTIFY_SOURCE
  70 routines_no_fortify += \
  71   getlogin_r \
  72   ptsname_r \
  73   # routines_no_fortify
  74
  75 ifeq (yesyes,$(have-fpie)$(build-shared))
  76 pt_chown-cflags += $(pie-ccflag)
  77 endif
  78 ifeq (yes,$(have-libcap))
  79 libcap = -lcap
  80 endif
  81 CFLAGS-pt_chown.c += $(pt_chown-cflags)
  82 LDLIBS-pt_chown = $(libcap)
  83 ifeq (yesyes,$(have-fpie)$(build-shared))
  84 LDFLAGS-pt_chown = -Wl,-z,now
  85 endif
  86
  87 # pt_chown needs to be setuid root.
  88 $(inst_libexecdir)/pt_chown: $(objpfx)pt_chown $(+force)
  89         $(make-target-directory)
  90         -$(INSTALL_PROGRAM) -m 4755 -o root $< $@
  91
  92 $(objpfx)tst-pututxline-lockfail: $(shared-thread-library)
  93 $(objpfx)tst-pututxline-cache: $(shared-thread-library)