support/Makefile

   1 # Makefile for support library, used only at build and test time
   2 # Copyright (C) 2016-2020 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_range \
  50   support_descriptor_supports_holes \
  51   support_descriptors \
  52   support_enter_mount_namespace \
  53   support_enter_network_namespace \
  54   support_format_address_family \
  55   support_format_addrinfo \
  56   support_format_dns_packet \
  57   support_format_herrno \
  58   support_format_hostent \
  59   support_format_netent \
  60   support_isolate_in_subprocess \
  61   support_process_state \
  62   support_ptrace \
  63   support_openpty \
  64   support_paths \
  65   support_quote_blob \
  66   support_quote_string \
  67   support_record_failure \
  68   support_run_diff \
  69   support_set_small_thread_stack_size \
  70   support_shared_allocate \
  71   support_small_stack_thread_attribute \
  72   support_subprocess \
  73   support_test_compare_blob \
  74   support_test_compare_failure \
  75   support_test_compare_string \
  76   support_write_file_string \
  77   support_test_main \
  78   support_test_verify_impl \
  79   temp_file \
  80   timespec \
  81   timespec-add \
  82   timespec-sub \
  83   write_message \
  84   xaccept \
  85   xaccept4 \
  86   xasprintf \
  87   xbind \
  88   xcalloc \
  89   xchroot \
  90   xclock_gettime \
  91   xclose \
  92   xconnect \
  93   xcopy_file_range \
  94   xdlfcn \
  95   xdlmopen \
  96   xdup2 \
  97   xfclose \
  98   xfopen \
  99   xfork \
 100   xftruncate \
 101   xgetline \
 102   xgetsockname \
 103   xlisten \
 104   xlseek \
 105   xlstat \
 106   xmalloc \
 107   xmemstream \
 108   xmkdir \
 109   xmkdirp \
 110   xmmap \
 111   xmprotect \
 112   xmunmap \
 113   xnewlocale \
 114   xopen \
 115   xpipe \
 116   xpoll \
 117   xposix_memalign \
 118   xpthread_attr_destroy \
 119   xpthread_attr_init \
 120   xpthread_attr_setdetachstate \
 121   xpthread_attr_setguardsize \
 122   xpthread_attr_setstack \
 123   xpthread_attr_setstacksize \
 124   xpthread_barrier_destroy \
 125   xpthread_barrier_init \
 126   xpthread_barrier_wait \
 127   xpthread_barrierattr_destroy \
 128   xpthread_barrierattr_init \
 129   xpthread_barrierattr_setpshared \
 130   xpthread_cancel \
 131   xpthread_check_return \
 132   xpthread_cond_wait \
 133   xpthread_create \
 134   xpthread_detach \
 135   xpthread_join \
 136   xpthread_key_create \
 137   xpthread_key_delete \
 138   xpthread_mutex_consistent \
 139   xpthread_mutex_destroy \
 140   xpthread_mutex_init \
 141   xpthread_mutex_lock \
 142   xpthread_mutex_unlock \
 143   xpthread_mutexattr_destroy \
 144   xpthread_mutexattr_init \
 145   xpthread_mutexattr_setprotocol \
 146   xpthread_mutexattr_setpshared \
 147   xpthread_mutexattr_setrobust \
 148   xpthread_mutexattr_settype \
 149   xpthread_once \
 150   xpthread_rwlock_init \
 151   xpthread_rwlock_destroy \
 152   xpthread_rwlock_rdlock \
 153   xpthread_rwlock_unlock \
 154   xpthread_rwlock_wrlock \
 155   xpthread_rwlockattr_init \
 156   xpthread_rwlockattr_setkind_np \
 157   xpthread_sigmask \
 158   xpthread_spin_lock \
 159   xpthread_spin_unlock \
 160   xraise \
 161   xreadlink \
 162   xrealloc \
 163   xrecvfrom \
 164   xsendto \
 165   xsetlocale \
 166   xsetsockopt \
 167   xsigaction \
 168   xsignal \
 169   xsigstack \
 170   xsocket \
 171   xposix_spawn \
 172   xposix_spawn_file_actions_addclose \
 173   xposix_spawn_file_actions_adddup2 \
 174   xstrdup \
 175   xstrndup \
 176   xsymlink \
 177   xsysconf \
 178   xunlink \
 179   xuselocale \
 180   xwaitpid \
 181   xwrite \
 182
 183 libsupport-static-only-routines := $(libsupport-routines)
 184 # Only build one variant of the library.
 185 libsupport-inhibit-o := .os
 186 ifeq ($(build-shared),yes)
 187 libsupport-inhibit-o += .o
 188 endif
 189
 190 CFLAGS-support_paths.c = \
 191                 -DSRCDIR_PATH=\"`cd .. ; pwd`\" \
 192                 -DOBJDIR_PATH=\"`cd $(objpfx)/..; pwd`\" \
 193                 -DOBJDIR_ELF_LDSO_PATH=\"`cd $(objpfx)/..; pwd`/elf/$(rtld-installed-name)\" \
 194                 -DINSTDIR_PATH=\"$(prefix)\" \
 195                 -DLIBDIR_PATH=\"$(libdir)\" \
 196                 -DBINDIR_PATH=\"$(bindir)\" \
 197                 -DSBINDIR_PATH=\"$(sbindir)\" \
 198                 -DROOTSBINDIR_PATH=\"$(rootsbindir)\" \
 199                 -DCOMPLOCALEDIR_PATH=\"$(complocaledir)\"
 200
 201 # In support_timespec_check_in_range we may be passed a very tight
 202 # range for which we should produce a correct result for expected
 203 # being withing the observed range.  The code uses double internally
 204 # in support_timespec_check_in_range and for that computation we use
 205 # -fexcess-precision=standard.
 206 CFLAGS-timespec.c += -fexcess-precision=standard
 207
 208 ifeq (,$(CXX))
 209 LINKS_DSO_PROGRAM = links-dso-program-c
 210 else
 211 LINKS_DSO_PROGRAM = links-dso-program
 212 LDLIBS-links-dso-program = -lstdc++ -lgcc -lgcc_s $(libunwind)
 213 endif
 214
 215 ifeq (yes,$(have-selinux))
 216 LDLIBS-$(LINKS_DSO_PROGRAM) += -lselinux
 217 endif
 218
 219
 220 LDLIBS-test-container = $(libsupport)
 221
 222 others += test-container
 223 others-noinstall += test-container
 224
 225 others += shell-container echo-container true-container
 226 others-noinstall += shell-container echo-container true-container
 227
 228 others += $(LINKS_DSO_PROGRAM)
 229 others-noinstall += $(LINKS_DSO_PROGRAM)
 230
 231 $(objpfx)test-container : $(libsupport)
 232 $(objpfx)shell-container : $(libsupport)
 233 $(objpfx)echo-container : $(libsupport)
 234 $(objpfx)true-container : $(libsupport)
 235
 236 tests = \
 237   README-testing \
 238   tst-support-namespace \
 239   tst-support_blob_repeat \
 240   tst-support_capture_subprocess \
 241   tst-support_descriptors \
 242   tst-support_format_dns_packet \
 243   tst-support-process_state \
 244   tst-support_quote_blob \
 245   tst-support_quote_string \
 246   tst-support_record_failure \
 247   tst-test_compare \
 248   tst-test_compare_blob \
 249   tst-test_compare_string \
 250   tst-timespec \
 251   tst-xreadlink \
 252   tst-xsigstack \
 253
 254 ifeq ($(run-built-tests),yes)
 255 tests-special = \
 256   $(objpfx)tst-support_record_failure-2.out
 257
 258 $(objpfx)tst-support_record_failure-2.out: tst-support_record_failure-2.sh \
 259   $(objpfx)tst-support_record_failure
 260         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 261           '$(run-program-env)' '$(test-program-prefix-after-env)' \
 262           > $@; \
 263         $(evaluate-test)
 264 endif
 265
 266 $(objpfx)tst-support_format_dns_packet: $(common-objpfx)resolv/libresolv.so
 267
 268 tst-support_capture_subprocess-ARGS = -- $(host-test-program-cmd)
 269
 270 include ../Rules