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