login/Makefile

   1 # Copyright (C) 1996-2025 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 := \
  27   bits/utmp.h \
  28   lastlog.h \
  29   pty.h \
  30   utmp.h \
  31   # headers
  32
  33 routines := \
  34   forkpty \
  35   getlogin \
  36   getlogin_r \
  37   getlogin_r_chk \
  38   getpt \
  39   getutent \
  40   getutent_r \
  41   getutid \
  42   getutid_r \
  43   getutline \
  44   getutline_r \
  45   grantpt \
  46   login \
  47   login_tty \
  48   logout \
  49   logwtmp \
  50   openpty \
  51   ptsname \
  52   ptsname_r_chk \
  53   setlogin \
  54   unlockpt \
  55   updwtmp \
  56   utmp_file \
  57   utmpname \
  58   # routines
  59
  60 CFLAGS-grantpt.c += -DLIBEXECDIR='"$(libexecdir)"'
  61
  62 others = utmpdump
  63
  64 ifeq (yes,$(build-pt-chown))
  65 others += \
  66   pt_chown \
  67   # others
  68 others-pie = \
  69   pt_chown \
  70   # others-pie
  71 install-others-programs = $(inst_libexecdir)/pt_chown
  72 endif
  73
  74 subdir-dirs = programs
  75 vpath %.c programs
  76
  77 tests := \
  78   tst-getlogin \
  79   tst-grantpt \
  80   tst-ptsname \
  81   tst-pututxline-cache \
  82   tst-pututxline-lockfail \
  83   tst-updwtmpx \
  84   tst-utmp \
  85   tst-utmp-size \
  86   tst-utmp-size-64 \
  87   tst-utmp-unsigned \
  88   tst-utmp-unsigned-64 \
  89   tst-utmpx \
  90   # tests
  91
  92 CFLAGS-tst-utmp-size-64.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
  93 CFLAGS-tst-utmp-unsigned-64.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
  94
  95 # Empty compatibility library for old binaries.
  96 extra-libs      := libutil
  97 extra-libs-others := $(extra-libs)
  98 ifeq ($(have-GLIBC_2.33),yes)
  99 libutil-routines := libutil-compat
 100 libutil-shared-only-routines := libutil-compat
 101
 102 # Pretend that libutil.so is a linker script, so that the symbolic
 103 # link is not installed.
 104 install-lib-ldscripts = libutil.so
 105 $(inst_libdir)/libutil.so:
 106 else  # not $(have-GLIBC_2.33)
 107 libutil-inhibit-o = $(filter-out .o,$(object-suffixes))
 108 endif # $(have-GLIBC_2.33)
 109
 110 include ../Rules
 111
 112 CFLAGS-getpt.c += -fexceptions
 113 CFLAGS-getlogin_r.c += $(config-cflags-wno-ignored-attributes)
 114
 115 # Exclude fortified routines from being built with _FORTIFY_SOURCE
 116 routines_no_fortify += \
 117   getlogin_r \
 118   ptsname_r \
 119   # routines_no_fortify
 120
 121 ifeq (yesyes,$(have-fpie)$(build-shared))
 122 pt_chown-cflags += $(pie-ccflag)
 123 endif
 124 ifeq (yes,$(have-libcap))
 125 libcap = -lcap
 126 endif
 127 CFLAGS-pt_chown.c += $(pt_chown-cflags)
 128 LDLIBS-pt_chown = $(libcap)
 129 ifeq (yesyes,$(have-fpie)$(build-shared))
 130 LDFLAGS-pt_chown = -Wl,-z,now
 131 endif
 132
 133 # pt_chown needs to be setuid root.
 134 $(inst_libexecdir)/pt_chown: $(objpfx)pt_chown $(+force)
 135         $(make-target-directory)
 136         -$(INSTALL_PROGRAM) -m 4755 -o root $< $@
 137
 138 $(objpfx)tst-pututxline-lockfail: $(shared-thread-library)
 139 $(objpfx)tst-pututxline-cache: $(shared-thread-library)