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