support/Makefile

   1 # Makefile for support library, used only at build and test time
   2 # Copyright (C) 2016-2021 Free Software Foundation, Inc.
   3 # This file is part of the GNU C Library.
   4
   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.
   9
  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.
  14
  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 # <https://www.gnu.org/licenses/>.
  18
  19 subdir := support
  20
  21 include ../Makeconfig
  22
  23 extra-libs := libsupport
  24 extra-libs-others = $(extra-libs)
  25 extra-libs-noinstall := $(extra-libs)
  26
  27 libsupport-routines = \
  28   blob_repeat \
  29   check \
  30   check_addrinfo \
  31   check_dns_packet \
  32   check_hostent \
  33   check_netent \
  34   delayed_exit \
  35   ignore_stderr \
  36   next_to_fault \
  37   oom_error \
  38   resolv_response_context_duplicate \
  39   resolv_response_context_free \
  40   resolv_test \
  41   set_fortify_handler \
  42   support-xfstat \
  43   support-xstat \
  44   support_become_root \
  45   support_can_chroot \
  46   support_capture_subprocess \
  47   support_capture_subprocess_check \
  48   support_chroot \
  49   support_copy_file \
  50   support_copy_file_range \
  51   support_descriptor_supports_holes \
  52   support_descriptors \
  53   support_enter_mount_namespace \
  54   support_enter_network_namespace \
  55   support_format_address_family \
  56   support_format_addrinfo \
  57   support_format_dns_packet \
  58   support_format_herrno \
  59   support_format_hostent \
  60   support_format_netent \
  61   support_isolate_in_subprocess \
  62   support_path_support_time64 \
  63   support_process_state \
  64   support_ptrace \
  65   support_openpty \
  66   support_paths \
  67   support_quote_blob \
  68   support_quote_string \
  69   support_record_failure \
  70   support_run_diff \
  71   support_select_modifies_timeout \
  72   support_select_normalizes_timeout \
  73   support_set_small_thread_stack_size \
  74   support_shared_allocate \
  75   support_small_stack_thread_attribute \
  76   support_stat_nanoseconds \
  77   support_subprocess \
  78   support_test_compare_blob \
  79   support_test_compare_failure \
  80   support_test_compare_string \
  81   support_write_file_string \
  82   support_test_main \
  83   support_test_verify_impl \
  84   temp_file \
  85   timespec \
  86   timespec-add \
  87   timespec-sub \
  88   write_message \
  89   xaccept \
  90   xaccept4 \
  91   xasprintf \
  92   xbind \
  93   xcalloc \
  94   xchdir \
  95   xchroot \
  96   xclock_gettime \
  97   xclock_settime \
  98   xclose \
  99   xchmod \
 100   xconnect \
 101   xcopy_file_range \
 102   xdlfcn \
 103   xdlmopen \
 104   xdup2 \
 105   xfchmod \
 106   xfclose \
 107   xfopen \
 108   xfork \
 109   xftruncate \
 110   xgetline \
 111   xgetsockname \
 112   xlisten \
 113   xlseek \
 114   xlstat \
 115   xmalloc \
 116   xmemstream \
 117   xmkdir \
 118   xmkdirp \
 119   xmmap \
 120   xmprotect \
 121   xmunmap \
 122   xnewlocale \
 123   xopen \
 124   xpipe \
 125   xpoll \
 126   xposix_memalign \
 127   xpthread_attr_destroy \
 128   xpthread_attr_init \
 129   xpthread_attr_setdetachstate \
 130   xpthread_attr_setguardsize \
 131   xpthread_attr_setstack \
 132   xpthread_attr_setstacksize \
 133   xpthread_barrier_destroy \
 134   xpthread_barrier_init \
 135   xpthread_barrier_wait \
 136   xpthread_barrierattr_destroy \
 137   xpthread_barrierattr_init \
 138   xpthread_barrierattr_setpshared \
 139   xpthread_cancel \
 140   xpthread_check_return \
 141   xpthread_cond_wait \
 142   xpthread_create \
 143   xpthread_detach \
 144   xpthread_join \
 145   xpthread_key_create \
 146   xpthread_key_delete \
 147   xpthread_kill \
 148   xpthread_mutex_consistent \
 149   xpthread_mutex_destroy \
 150   xpthread_mutex_init \
 151   xpthread_mutex_lock \
 152   xpthread_mutex_unlock \
 153   xpthread_mutexattr_destroy \
 154   xpthread_mutexattr_init \
 155   xpthread_mutexattr_setprotocol \
 156   xpthread_mutexattr_setpshared \
 157   xpthread_mutexattr_setrobust \
 158   xpthread_mutexattr_settype \
 159   xpthread_once \
 160   xpthread_rwlock_init \
 161   xpthread_rwlock_destroy \
 162   xpthread_rwlock_rdlock \
 163   xpthread_rwlock_unlock \
 164   xpthread_rwlock_wrlock \
 165   xpthread_rwlockattr_init \
 166   xpthread_rwlockattr_setkind_np \
 167   xpthread_sigmask \
 168   xpthread_spin_lock \
 169   xpthread_spin_unlock \
 170   xraise \
 171   xreadlink \
 172   xrealloc \
 173   xrecvfrom \
 174   xsendto \
 175   xsetlocale \
 176   xsetsockopt \
 177   xsigaction \
 178   xsignal \
 179   xsigstack \
 180   xsocket \
 181   xposix_spawn \
 182   xposix_spawn_file_actions_addclose \
 183   xposix_spawn_file_actions_adddup2 \
 184   xstrdup \
 185   xstrndup \
 186   xsymlink \
 187   xsysconf \
 188   xunlink \
 189   xuselocale \
 190   xwaitpid \
 191   xwrite \
 192
 193 libsupport-static-only-routines := $(libsupport-routines)
 194 # Only build one variant of the library.
 195 libsupport-inhibit-o := .os
 196 ifeq ($(build-shared),yes)
 197 libsupport-inhibit-o += .o
 198 endif
 199
 200 CFLAGS-support_paths.c = \
 201                 -DSRCDIR_PATH=\"`cd .. ; pwd`\" \
 202                 -DOBJDIR_PATH=\"`cd $(objpfx)/..; pwd`\" \
 203                 -DOBJDIR_ELF_LDSO_PATH=\"`cd $(objpfx)/..; pwd`/elf/$(rtld-installed-name)\" \
 204                 -DINSTDIR_PATH=\"$(prefix)\" \
 205                 -DLIBDIR_PATH=\"$(libdir)\" \
 206                 -DBINDIR_PATH=\"$(bindir)\" \
 207                 -DSBINDIR_PATH=\"$(sbindir)\" \
 208                 -DSLIBDIR_PATH=\"$(slibdir)\" \
 209                 -DROOTSBINDIR_PATH=\"$(rootsbindir)\" \
 210                 -DCOMPLOCALEDIR_PATH=\"$(complocaledir)\"
 211
 212 # In support_timespec_check_in_range we may be passed a very tight
 213 # range for which we should produce a correct result for expected
 214 # being withing the observed range.  The code uses double internally
 215 # in support_timespec_check_in_range and for that computation we use
 216 # -fexcess-precision=standard.
 217 CFLAGS-timespec.c += -fexcess-precision=standard
 218
 219 ifeq (,$(CXX))
 220 LINKS_DSO_PROGRAM = links-dso-program-c
 221 else
 222 LINKS_DSO_PROGRAM = links-dso-program
 223 LDLIBS-links-dso-program = -lstdc++ -lgcc -lgcc_s $(libunwind)
 224 endif
 225
 226 ifeq (yes,$(have-selinux))
 227 LDLIBS-$(LINKS_DSO_PROGRAM) += -lselinux
 228 endif
 229
 230
 231 LDLIBS-test-container = $(libsupport)
 232
 233 others += test-container
 234 others-noinstall += test-container
 235
 236 others += shell-container echo-container true-container
 237 others-noinstall += shell-container echo-container true-container
 238
 239 others += $(LINKS_DSO_PROGRAM)
 240 others-noinstall += $(LINKS_DSO_PROGRAM)
 241
 242 $(objpfx)test-container : $(libsupport)
 243 $(objpfx)shell-container : $(libsupport)
 244 $(objpfx)echo-container : $(libsupport)
 245 $(objpfx)true-container : $(libsupport)
 246
 247 tests = \
 248   README-testing \
 249   tst-support-namespace \
 250   tst-support_blob_repeat \
 251   tst-support_capture_subprocess \
 252   tst-support_descriptors \
 253   tst-support_format_dns_packet \
 254   tst-support-process_state \
 255   tst-support_quote_blob \
 256   tst-support_quote_string \
 257   tst-support_record_failure \
 258   tst-test_compare \
 259   tst-test_compare_blob \
 260   tst-test_compare_string \
 261   tst-timespec \
 262   tst-xreadlink \
 263   tst-xsigstack \
 264
 265 ifeq ($(run-built-tests),yes)
 266 tests-special = \
 267   $(objpfx)tst-support_record_failure-2.out
 268
 269 $(objpfx)tst-support_record_failure-2.out: tst-support_record_failure-2.sh \
 270   $(objpfx)tst-support_record_failure
 271         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 272           '$(run-program-env)' '$(test-program-prefix-after-env)' \
 273           > $@; \
 274         $(evaluate-test)
 275 endif
 276
 277 $(objpfx)tst-support_format_dns_packet: $(common-objpfx)resolv/libresolv.so
 278
 279 tst-support_capture_subprocess-ARGS = -- $(host-test-program-cmd)
 280
 281 include ../Rules