support/Makefile

   1 # Makefile for support library, used only at build and test time
   2 # Copyright (C) 2016-2022 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   dtotimespec \
  36   dtotimespec-time64 \
  37   ignore_stderr \
  38   next_to_fault \
  39   oom_error \
  40   resolv_response_context_duplicate \
  41   resolv_response_context_free \
  42   resolv_test \
  43   set_fortify_handler \
  44   support_stack_alloc \
  45   support-xfstat \
  46   support-xfstat-time64 \
  47   support-xstat \
  48   support-xstat-time64 \
  49   support_become_root \
  50   support_can_chroot \
  51   support_capture_subprocess \
  52   support_capture_subprocess_check \
  53   support_chroot \
  54   support_copy_file \
  55   support_copy_file_range \
  56   support_create_timer \
  57   support_descriptor_supports_holes \
  58   support_descriptors \
  59   support_enter_mount_namespace \
  60   support_enter_network_namespace \
  61   support_format_address_family \
  62   support_format_addrinfo \
  63   support_format_dns_packet \
  64   support_format_herrno \
  65   support_format_hostent \
  66   support_format_netent \
  67   support_isolate_in_subprocess \
  68   support_mutex_pi_monotonic \
  69   support_need_proc \
  70   support_path_support_time64 \
  71   support_process_state \
  72   support_ptrace \
  73   support-open-dev-null-range \
  74   support_openpty \
  75   support_paths \
  76   support_quote_blob \
  77   support_quote_blob_wide \
  78   support_quote_string \
  79   support_record_failure \
  80   support_run_diff \
  81   support_select_modifies_timeout \
  82   support_select_normalizes_timeout \
  83   support_set_small_thread_stack_size \
  84   support_shared_allocate \
  85   support_small_stack_thread_attribute \
  86   support_socket_so_timestamp_time64 \
  87   support_stat_nanoseconds \
  88   support_subprocess \
  89   support_test_compare_blob \
  90   support_test_compare_failure \
  91   support_test_compare_string \
  92   support_test_compare_string_wide \
  93   support_test_main \
  94   support_test_verify_impl \
  95   support_wait_for_thread_exit \
  96   support_write_file_string \
  97   temp_file \
  98   timespec \
  99   timespec-time64 \
 100   timespec-add \
 101   timespec-add-time64 \
 102   timespec-sub \
 103   timespec-sub-time64 \
 104   write_message \
 105   xaccept \
 106   xaccept4 \
 107   xasprintf \
 108   xbind \
 109   xcalloc \
 110   xchdir \
 111   xchroot \
 112   xclock_gettime \
 113   xclock_gettime_time64 \
 114   xclock_settime \
 115   xclock_settime_time64 \
 116   xclone \
 117   xclose \
 118   xchmod \
 119   xconnect \
 120   xcopy_file_range \
 121   xdlfcn \
 122   xdlmopen \
 123   xdup2 \
 124   xfchmod \
 125   xfclose \
 126   xfopen \
 127   xfork \
 128   xftruncate \
 129   xgetline \
 130   xgetsockname \
 131   xlisten \
 132   xlseek \
 133   xlstat \
 134   xlstat-time64 \
 135   xmalloc \
 136   xmemstream \
 137   xmkdir \
 138   xmkdirp \
 139   xmkfifo \
 140   xmmap \
 141   xmprotect \
 142   xmunmap \
 143   xnewlocale \
 144   xopen \
 145   xpipe \
 146   xpoll \
 147   xposix_memalign \
 148   xpthread_attr_destroy \
 149   xpthread_attr_init \
 150   xpthread_attr_setdetachstate \
 151   xpthread_attr_setguardsize \
 152   xpthread_attr_setaffinity_np \
 153   xpthread_attr_setstack \
 154   xpthread_attr_setstacksize \
 155   xpthread_barrier_destroy \
 156   xpthread_barrier_init \
 157   xpthread_barrier_wait \
 158   xpthread_barrierattr_destroy \
 159   xpthread_barrierattr_init \
 160   xpthread_barrierattr_setpshared \
 161   xpthread_cancel \
 162   xpthread_check_return \
 163   xpthread_cond_wait \
 164   xpthread_create \
 165   xpthread_detach \
 166   xpthread_join \
 167   xpthread_key_create \
 168   xpthread_key_delete \
 169   xpthread_kill \
 170   xpthread_mutex_consistent \
 171   xpthread_mutex_destroy \
 172   xpthread_mutex_init \
 173   xpthread_mutex_lock \
 174   xpthread_mutex_unlock \
 175   xpthread_mutexattr_destroy \
 176   xpthread_mutexattr_init \
 177   xpthread_mutexattr_setprotocol \
 178   xpthread_mutexattr_setpshared \
 179   xpthread_mutexattr_setrobust \
 180   xpthread_mutexattr_settype \
 181   xpthread_once \
 182   xpthread_rwlock_init \
 183   xpthread_rwlock_destroy \
 184   xpthread_rwlock_rdlock \
 185   xpthread_rwlock_unlock \
 186   xpthread_rwlock_wrlock \
 187   xpthread_rwlockattr_init \
 188   xpthread_rwlockattr_setkind_np \
 189   xpthread_sigmask \
 190   xpthread_spin_lock \
 191   xpthread_spin_unlock \
 192   xraise \
 193   xreadlink \
 194   xrealloc \
 195   xrecvfrom \
 196   xsendto \
 197   xsetlocale \
 198   xsetsockopt \
 199   xsigaction \
 200   xsignal \
 201   xsigstack \
 202   xsocket \
 203   xposix_spawn \
 204   xposix_spawn_file_actions_addclose \
 205   xposix_spawn_file_actions_adddup2 \
 206   xstrdup \
 207   xstrndup \
 208   xsymlink \
 209   xsysconf \
 210   xunlink \
 211   xuselocale \
 212   xwaitpid \
 213   xwrite \
 214
 215 libsupport-static-only-routines := $(libsupport-routines)
 216 # Only build one variant of the library.
 217 libsupport-inhibit-o := .os
 218 ifeq ($(build-shared),yes)
 219 libsupport-inhibit-o += .o
 220 endif
 221
 222 CFLAGS-support_paths.c = \
 223                 -DSRCDIR_PATH=\"`cd .. ; pwd`\" \
 224                 -DOBJDIR_PATH=\"`cd $(objpfx)/..; pwd`\" \
 225                 -DOBJDIR_ELF_LDSO_PATH=\"`cd $(objpfx)/..; pwd`/elf/$(rtld-installed-name)\" \
 226                 -DINSTDIR_PATH=\"$(prefix)\" \
 227                 -DLIBDIR_PATH=\"$(libdir)\" \
 228                 -DBINDIR_PATH=\"$(bindir)\" \
 229                 -DSBINDIR_PATH=\"$(sbindir)\" \
 230                 -DSLIBDIR_PATH=\"$(slibdir)\" \
 231                 -DROOTSBINDIR_PATH=\"$(rootsbindir)\" \
 232                 -DCOMPLOCALEDIR_PATH=\"$(complocaledir)\"
 233
 234 # In support_timespec_check_in_range we may be passed a very tight
 235 # range for which we should produce a correct result for expected
 236 # being withing the observed range.  The code uses double internally
 237 # in support_timespec_check_in_range and for that computation we use
 238 # -fexcess-precision=standard.
 239 CFLAGS-timespec.c += -fexcess-precision=standard
 240 CFLAGS-timespec-time64.c += -fexcess-precision=standard
 241
 242 ifeq (,$(CXX))
 243 LINKS_DSO_PROGRAM = links-dso-program-c
 244 else
 245 LINKS_DSO_PROGRAM = links-dso-program
 246 LDLIBS-links-dso-program = -lstdc++ -lgcc -lgcc_s $(libunwind)
 247 endif
 248
 249 ifeq (yes,$(have-selinux))
 250 LDLIBS-$(LINKS_DSO_PROGRAM) += -lselinux
 251 endif
 252
 253
 254 LDLIBS-test-container = $(libsupport)
 255
 256 others += test-container
 257 others-noinstall += test-container
 258
 259 others += shell-container echo-container true-container
 260 others-noinstall += shell-container echo-container true-container
 261
 262 others += $(LINKS_DSO_PROGRAM)
 263 others-noinstall += $(LINKS_DSO_PROGRAM)
 264
 265 others += test-run-command
 266 others-static += test-run-command
 267 others-noinstall += test-run-command
 268 LDLIBS-test-run-command = $(libsupport)
 269
 270 $(objpfx)test-container : $(libsupport)
 271 $(objpfx)shell-container : $(libsupport)
 272 $(objpfx)echo-container : $(libsupport)
 273 $(objpfx)true-container : $(libsupport)
 274 $(objpfx)test-run-command : $(libsupport) $(common-objpfx)elf/static-stubs.o
 275
 276 tests = \
 277   README-testing \
 278   tst-support-namespace \
 279   tst-support_blob_repeat \
 280   tst-support_capture_subprocess \
 281   tst-support_descriptors \
 282   tst-support_format_dns_packet \
 283   tst-support-open-dev-null-range \
 284   tst-support-process_state \
 285   tst-support_quote_blob \
 286   tst-support_quote_blob_wide \
 287   tst-support_quote_string \
 288   tst-support_record_failure \
 289   tst-test_compare \
 290   tst-test_compare_blob \
 291   tst-test_compare_string \
 292   tst-test_compare_string_wide \
 293   tst-timespec \
 294   tst-xreadlink \
 295   tst-xsigstack \
 296
 297 ifeq ($(run-built-tests),yes)
 298 tests-special = \
 299   $(objpfx)tst-support_record_failure-2.out
 300
 301 $(objpfx)tst-support_record_failure-2.out: tst-support_record_failure-2.sh \
 302   $(objpfx)tst-support_record_failure
 303         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 304           '$(run-program-env)' '$(test-program-prefix-after-env)' \
 305           > $@; \
 306         $(evaluate-test)
 307 endif
 308
 309 $(objpfx)tst-support_format_dns_packet: $(common-objpfx)resolv/libresolv.so
 310
 311 tst-support_capture_subprocess-ARGS = -- $(host-test-program-cmd)
 312
 313 include ../Rules