support/Makefile

   1 # Makefile for support library, used only at build and test time
   2 # Copyright (C) 2016-2024 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-open-dev-null-range \
  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_openpty \
  71   support_path_support_time64 \
  72   support_paths \
  73   support_process_state \
  74   support_ptrace \
  75   support_quote_blob \
  76   support_quote_blob_wide \
  77   support_quote_string \
  78   support_record_failure \
  79   support_run_diff \
  80   support_select_modifies_timeout \
  81   support_select_normalizes_timeout \
  82   support_set_small_thread_stack_size \
  83   support_set_vma_name_supported \
  84   support_shared_allocate \
  85   support_small_stack_thread_attribute \
  86   support_socket_so_timestamp_time64 \
  87   support_stack_alloc \
  88   support_stat_nanoseconds \
  89   support_subprocess \
  90   support_test_compare_blob \
  91   support_test_compare_failure \
  92   support_test_compare_string \
  93   support_test_compare_string_wide \
  94   support_test_main \
  95   support_test_verify_impl \
  96   support_wait_for_thread_exit \
  97   support_write_file_string \
  98   temp_file \
  99   timespec \
 100   timespec-add \
 101   timespec-add-time64 \
 102   timespec-sub \
 103   timespec-sub-time64 \
 104   timespec-time64 \
 105   write_message \
 106   xaccept \
 107   xaccept4 \
 108   xasprintf \
 109   xbind \
 110   xcalloc \
 111   xchdir \
 112   xchmod \
 113   xchroot \
 114   xclock_gettime \
 115   xclock_gettime_time64 \
 116   xclock_settime \
 117   xclock_settime_time64 \
 118   xclone \
 119   xclose \
 120   xconnect \
 121   xcopy_file_range \
 122   xdlfcn \
 123   xdlmopen \
 124   xdup2 \
 125   xfchmod \
 126   xfclose \
 127   xfgets \
 128   xfopen \
 129   xfork \
 130   xfread \
 131   xfreopen \
 132   xftruncate \
 133   xgetline \
 134   xgetpeername \
 135   xgetsockname \
 136   xlisten \
 137   xlseek \
 138   xlstat \
 139   xlstat-time64 \
 140   xmalloc \
 141   xmemstream \
 142   xmkdir \
 143   xmkdirp \
 144   xmkfifo \
 145   xmmap \
 146   xmprotect \
 147   xmunmap \
 148   xnewlocale \
 149   xopen \
 150   xpipe \
 151   xpoll \
 152   xposix_memalign \
 153   xposix_spawn \
 154   xposix_spawn_file_actions_addclose \
 155   xposix_spawn_file_actions_adddup2 \
 156   xpthread_attr_destroy \
 157   xpthread_attr_init \
 158   xpthread_attr_setaffinity_np \
 159   xpthread_attr_setdetachstate \
 160   xpthread_attr_setguardsize \
 161   xpthread_attr_setstack \
 162   xpthread_attr_setstacksize \
 163   xpthread_barrier_destroy \
 164   xpthread_barrier_init \
 165   xpthread_barrier_wait \
 166   xpthread_barrierattr_destroy \
 167   xpthread_barrierattr_init \
 168   xpthread_barrierattr_setpshared \
 169   xpthread_cancel \
 170   xpthread_check_return \
 171   xpthread_cond_signal \
 172   xpthread_cond_wait \
 173   xpthread_create \
 174   xpthread_detach \
 175   xpthread_join \
 176   xpthread_key_create \
 177   xpthread_key_delete \
 178   xpthread_kill \
 179   xpthread_mutex_consistent \
 180   xpthread_mutex_destroy \
 181   xpthread_mutex_init \
 182   xpthread_mutex_lock \
 183   xpthread_mutex_unlock \
 184   xpthread_mutexattr_destroy \
 185   xpthread_mutexattr_init \
 186   xpthread_mutexattr_setprotocol \
 187   xpthread_mutexattr_setpshared \
 188   xpthread_mutexattr_setrobust \
 189   xpthread_mutexattr_settype \
 190   xpthread_once \
 191   xpthread_rwlock_destroy \
 192   xpthread_rwlock_init \
 193   xpthread_rwlock_rdlock \
 194   xpthread_rwlock_unlock \
 195   xpthread_rwlock_wrlock \
 196   xpthread_rwlockattr_init \
 197   xpthread_rwlockattr_setkind_np \
 198   xpthread_sigmask \
 199   xpthread_spin_lock \
 200   xpthread_spin_unlock \
 201   xraise \
 202   xread \
 203   xreadlink \
 204   xrealloc \
 205   xrecvfrom \
 206   xsendto \
 207   xsetlocale \
 208   xsetsockopt \
 209   xsigaction \
 210   xsignal \
 211   xsigstack \
 212   xsocket \
 213   xstrdup \
 214   xstrndup \
 215   xsymlink \
 216   xsysconf \
 217   xsystem \
 218   xunlink \
 219   xuselocale \
 220   xwaitpid \
 221   xwrite \
 222   # libsupport-routines
 223
 224 libsupport-static-only-routines := $(libsupport-routines)
 225 # Only build one variant of the library.
 226 libsupport-inhibit-o := .os
 227 ifeq ($(build-shared),yes)
 228 libsupport-inhibit-o += .o
 229 endif
 230
 231 CFLAGS-support_paths.c = \
 232                 -DSRCDIR_PATH=\"`cd .. ; pwd`\" \
 233                 -DOBJDIR_PATH=\"`cd $(objpfx)/..; pwd`\" \
 234                 -DOBJDIR_ELF_LDSO_PATH=\"`cd $(objpfx)/..; pwd`/elf/$(rtld-installed-name)\" \
 235                 -DINSTDIR_PATH=\"$(prefix)\" \
 236                 -DLIBDIR_PATH=\"$(libdir)\" \
 237                 -DBINDIR_PATH=\"$(bindir)\" \
 238                 -DSBINDIR_PATH=\"$(sbindir)\" \
 239                 -DSLIBDIR_PATH=\"$(slibdir)\" \
 240                 -DROOTSBINDIR_PATH=\"$(rootsbindir)\" \
 241                 -DCOMPLOCALEDIR_PATH=\"$(complocaledir)\" \
 242                 -DSYSCONFDIR_PATH=\"$(sysconfdir)\"
 243
 244 # Build with exception handling and asynchronous unwind table support.
 245 CFLAGS-.oS += -fexceptions -fasynchronous-unwind-tables
 246
 247 # In support_timespec_check_in_range we may be passed a very tight
 248 # range for which we should produce a correct result for expected
 249 # being within the observed range.  The code uses double internally
 250 # in support_timespec_check_in_range and for that computation we use
 251 # -fexcess-precision=standard.
 252 CFLAGS-timespec.c += -fexcess-precision=standard
 253 CFLAGS-timespec-time64.c += -fexcess-precision=standard
 254
 255 # Ensure that general support files use 64-bit time_t
 256 CFLAGS-delayed_exit.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 257 CFLAGS-shell-container.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 258 CFLAGS-support_can_chroot.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 259 CFLAGS-support_copy_file.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 260 CFLAGS-support_copy_file_range.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 261 CFLAGS-support_descriptor_supports_holes.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 262 CFLAGS-support_descriptors.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 263 CFLAGS-support_process_state.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 264 CFLAGS-support_stat_nanoseconds.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 265 CFLAGS-support_subprocess.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 266 CFLAGS-support_test_main.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 267 CFLAGS-test-container.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 268 CFLAGS-xmkdirp.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 269 # This is required to get an mkstemp which can create large files on some
 270 # 32-bit platforms.
 271 CFLAGS-temp_file.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
 272
 273 ifeq (,$(CXX))
 274 LINKS_DSO_PROGRAM = links-dso-program-c
 275 else
 276 LINKS_DSO_PROGRAM = links-dso-program
 277 LDLIBS-links-dso-program = -lstdc++ -lgcc -lgcc_s $(libunwind)
 278 endif
 279
 280 ifeq (yes,$(have-selinux))
 281 LDLIBS-$(LINKS_DSO_PROGRAM) += -lselinux
 282 endif
 283
 284
 285 LDLIBS-test-container = $(libsupport)
 286
 287 others += test-container
 288 others-noinstall += test-container
 289
 290 others += \
 291   echo-container \
 292   shell-container \
 293   true-container \
 294   # others
 295 others-noinstall += \
 296   echo-container \
 297   shell-container \
 298   true-container \
 299   # others-noinstall
 300
 301 others += $(LINKS_DSO_PROGRAM)
 302 others-noinstall += $(LINKS_DSO_PROGRAM)
 303
 304 others += test-run-command
 305 others-static += test-run-command
 306 others-noinstall += test-run-command
 307 LDLIBS-test-run-command = $(libsupport)
 308
 309 $(objpfx)test-container : $(libsupport)
 310 $(objpfx)shell-container : $(libsupport)
 311 $(objpfx)echo-container : $(libsupport)
 312 $(objpfx)true-container : $(libsupport)
 313 $(objpfx)test-run-command : $(libsupport) $(common-objpfx)elf/static-stubs.o
 314
 315 tests = \
 316   README-testing \
 317   tst-support-namespace \
 318   tst-support-open-dev-null-range \
 319   tst-support-process_state \
 320   tst-support_blob_repeat \
 321   tst-support_capture_subprocess \
 322   tst-support_descriptors \
 323   tst-support_format_dns_packet \
 324   tst-support_quote_blob \
 325   tst-support_quote_blob_wide \
 326   tst-support_quote_string \
 327   tst-support_record_failure \
 328   tst-test_compare \
 329   tst-test_compare_blob \
 330   tst-test_compare_string \
 331   tst-test_compare_string_wide \
 332   tst-timespec \
 333   tst-xreadlink \
 334   tst-xsigstack \
 335   # tests
 336
 337 ifeq ($(run-built-tests),yes)
 338 tests-special = \
 339   $(objpfx)tst-support_record_failure-2.out
 340
 341 $(objpfx)tst-support_record_failure-2.out: tst-support_record_failure-2.sh \
 342   $(objpfx)tst-support_record_failure
 343         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 344           '$(run-program-env)' '$(test-program-prefix-after-env)' \
 345           > $@; \
 346         $(evaluate-test)
 347 endif
 348
 349 tests-special += $(objpfx)tst-glibcpp.out
 350
 351 $(objpfx)tst-glibcpp.out: tst-glibcpp.py $(..)scripts/glibcpp.py
 352         PYTHONPATH=$(..)scripts $(PYTHON) tst-glibcpp.py > $@ 2>&1; \
 353         $(evaluate-test)
 354
 355 $(objpfx)tst-support_format_dns_packet: $(common-objpfx)resolv/libresolv.so
 356
 357 tst-support_capture_subprocess-ARGS = -- $(host-test-program-cmd)
 358
 359 include ../Rules