stdlib/Makefile

   1 # Copyright (C) 1991-2024 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <https://www.gnu.org/licenses/>.
  17
  18 #
  19 #       Makefile for stdlib routines
  20 #
  21 subdir  := stdlib
  22
  23 include ../Makeconfig
  24
  25 headers := \
  26   alloca.h \
  27   bits/errno.h \
  28   bits/indirect-return.h \
  29   bits/monetary-ldbl.h \
  30   bits/stdint-intn.h \
  31   bits/stdint-least.h \
  32   bits/stdint-uintn.h \
  33   bits/stdlib-bsearch.h \
  34   bits/stdlib-float.h \
  35   bits/stdlib-ldbl.h \
  36   bits/stdlib.h \
  37   bits/time64.h \
  38   bits/timesize.h \
  39   bits/types/error_t.h \
  40   bits/wordsize.h \
  41   errno.h \
  42   fmtmsg.h \
  43   inttypes.h \
  44   monetary.h \
  45   stdbit.h \
  46   stdint.h \
  47   stdlib.h \
  48   sys/errno.h \
  49   sys/random.h \
  50   sys/ucontext.h \
  51   ucontext.h \
  52   # headers
  53
  54 routines := \
  55   a64l \
  56   abort \
  57   abs \
  58   arc4random \
  59   arc4random_uniform \
  60   at_quick_exit \
  61   atof \
  62   atoi \
  63   atol\
  64   atoll \
  65   bsearch \
  66   canonicalize \
  67   cxa_at_quick_exit \
  68   cxa_atexit \
  69   cxa_finalize \
  70   cxa_thread_atexit_impl \
  71   div \
  72   drand48 \
  73   drand48-iter \
  74   drand48_r \
  75   erand48 \
  76   erand48_r \
  77   exit \
  78   fmtmsg \
  79   getcontext \
  80   getentropy \
  81   getenv \
  82   getrandom \
  83   getsubopt \
  84   jrand48 \
  85   jrand48_r \
  86   l64a \
  87   labs \
  88   lcong48 \
  89   lcong48_r \
  90   ldiv \
  91   llabs \
  92   lldiv \
  93   lrand48 \
  94   lrand48_r \
  95   makecontext \
  96   mblen \
  97   mbstowcs \
  98   mbtowc \
  99   mrand48 \
 100   mrand48_r \
 101   nrand48 \
 102   nrand48_r \
 103   old_atexit  \
 104   on_exit atexit \
 105   putenv \
 106   qsort \
 107   quick_exit \
 108   rand \
 109   rand_r \
 110   random \
 111   random_r \
 112   rpmatch \
 113   secure-getenv \
 114   seed48 \
 115   seed48_r \
 116   setcontext \
 117   setenv \
 118   srand48 \
 119   srand48_r \
 120   stdc_bit_ceil_uc \
 121   stdc_bit_ceil_ui \
 122   stdc_bit_ceil_ul \
 123   stdc_bit_ceil_ull \
 124   stdc_bit_ceil_us \
 125   stdc_bit_floor_uc \
 126   stdc_bit_floor_ui \
 127   stdc_bit_floor_ul \
 128   stdc_bit_floor_ull \
 129   stdc_bit_floor_us \
 130   stdc_bit_width_uc \
 131   stdc_bit_width_ui \
 132   stdc_bit_width_ul \
 133   stdc_bit_width_ull \
 134   stdc_bit_width_us \
 135   stdc_count_ones_uc \
 136   stdc_count_ones_ui \
 137   stdc_count_ones_ul \
 138   stdc_count_ones_ull \
 139   stdc_count_ones_us \
 140   stdc_count_zeros_uc \
 141   stdc_count_zeros_ui \
 142   stdc_count_zeros_ul \
 143   stdc_count_zeros_ull \
 144   stdc_count_zeros_us \
 145   stdc_first_leading_one_uc \
 146   stdc_first_leading_one_ui \
 147   stdc_first_leading_one_ul \
 148   stdc_first_leading_one_ull \
 149   stdc_first_leading_one_us \
 150   stdc_first_leading_zero_uc \
 151   stdc_first_leading_zero_ui \
 152   stdc_first_leading_zero_ul \
 153   stdc_first_leading_zero_ull \
 154   stdc_first_leading_zero_us \
 155   stdc_first_trailing_one_uc \
 156   stdc_first_trailing_one_ui \
 157   stdc_first_trailing_one_ul \
 158   stdc_first_trailing_one_ull \
 159   stdc_first_trailing_one_us \
 160   stdc_first_trailing_zero_uc \
 161   stdc_first_trailing_zero_ui \
 162   stdc_first_trailing_zero_ul \
 163   stdc_first_trailing_zero_ull \
 164   stdc_first_trailing_zero_us \
 165   stdc_has_single_bit_uc \
 166   stdc_has_single_bit_ui \
 167   stdc_has_single_bit_ul \
 168   stdc_has_single_bit_ull \
 169   stdc_has_single_bit_us \
 170   stdc_leading_ones_uc \
 171   stdc_leading_ones_ui \
 172   stdc_leading_ones_ul \
 173   stdc_leading_ones_ull \
 174   stdc_leading_ones_us \
 175   stdc_leading_zeros_uc \
 176   stdc_leading_zeros_ui \
 177   stdc_leading_zeros_ul \
 178   stdc_leading_zeros_ull \
 179   stdc_leading_zeros_us \
 180   stdc_trailing_ones_uc \
 181   stdc_trailing_ones_ui \
 182   stdc_trailing_ones_ul \
 183   stdc_trailing_ones_ull \
 184   stdc_trailing_ones_us \
 185   stdc_trailing_zeros_uc \
 186   stdc_trailing_zeros_ui \
 187   stdc_trailing_zeros_ul \
 188   stdc_trailing_zeros_ull \
 189   stdc_trailing_zeros_us \
 190   strfmon \
 191   strfmon_l \
 192   strfromd \
 193   strfromf \
 194   strfroml \
 195   strtod \
 196   strtod_l \
 197   strtod_nan \
 198   strtof \
 199   strtof_l \
 200   strtof_nan \
 201   strtol \
 202   strtol_l \
 203   strtold \
 204   strtold_l \
 205   strtold_nan \
 206   strtoll \
 207   strtoll_l \
 208   strtoul \
 209   strtoul_l \
 210   strtoull \
 211   strtoull_l \
 212   swapcontext \
 213   system \
 214   wcstombs \
 215   wctomb  \
 216   xpg_basename \
 217   # routines
 218
 219 # Exclude fortified routines from being built with _FORTIFY_SOURCE
 220 routines_no_fortify += \
 221   mbstowcs \
 222   wcstombs \
 223   wctomb \
 224   # routines_no_fortify
 225
 226 aux = \
 227   grouping \
 228   groupingwc \
 229   tens_in_limb \
 230   # aux
 231
 232 # These routines will be omitted from the libc shared object.
 233 # Instead the static object files will be included in a special archive
 234 # linked against when the shared library will be used.
 235 static-only-routines = \
 236   at_quick_exit \
 237   atexit \
 238   # static-only-routines
 239
 240 test-srcs := \
 241   tst-fmtmsg \
 242   #test-srcs
 243
 244 tests := \
 245   bug-fmtmsg1 \
 246   bug-getcontext \
 247   bug-strtod \
 248   bug-strtod2 \
 249   test-a64l \
 250   test-at_quick_exit-race \
 251   test-atexit-race \
 252   test-atexit-recursive \
 253   test-bz22786 \
 254   test-canon \
 255   test-canon2 \
 256   test-cxa_atexit-race \
 257   test-cxa_atexit-race2 \
 258   test-dlclose-exit-race \
 259   test-on_exit-race \
 260   testdiv \
 261   testmb \
 262   testmb2 \
 263   testrand \
 264   testsort \
 265   tst-abs \
 266   tst-arc4random-fork \
 267   tst-arc4random-stats \
 268   tst-arc4random-thread \
 269   tst-at_quick_exit \
 270   tst-atexit \
 271   tst-atof1 \
 272   tst-atof2 \
 273   tst-bsearch \
 274   tst-bz20544 \
 275   tst-canon-bz26341 \
 276   tst-cxa_atexit \
 277   tst-environ \
 278   tst-getrandom \
 279   tst-labs \
 280   tst-limits \
 281   tst-llabs \
 282   tst-makecontext \
 283   tst-makecontext-align \
 284   tst-makecontext2 \
 285   tst-makecontext3 \
 286   tst-on_exit \
 287   tst-qsort \
 288   tst-qsort2 \
 289   tst-qsort3 \
 290   tst-qsort6 \
 291   tst-quick_exit \
 292   tst-rand48 \
 293   tst-rand48-2 \
 294   tst-random \
 295   tst-random2 \
 296   tst-realpath \
 297   tst-realpath-toolong \
 298   tst-secure-getenv \
 299   tst-setcontext \
 300   tst-setcontext2 \
 301   tst-setcontext3 \
 302   tst-setcontext4 \
 303   tst-setcontext5 \
 304   tst-setcontext6 \
 305   tst-setcontext7 \
 306   tst-setcontext8 \
 307   tst-setcontext9 \
 308   tst-setcontext10 \
 309   tst-setcontext11 \
 310   tst-stdbit-Wconversion \
 311   tst-stdbit-builtins \
 312   tst-stdc_bit_ceil \
 313   tst-stdc_bit_floor \
 314   tst-stdc_bit_width \
 315   tst-stdc_count_ones \
 316   tst-stdc_count_zeros \
 317   tst-stdc_first_leading_one \
 318   tst-stdc_first_leading_zero \
 319   tst-stdc_first_trailing_one \
 320   tst-stdc_first_trailing_zero \
 321   tst-stdc_has_single_bit \
 322   tst-stdc_leading_ones \
 323   tst-stdc_leading_zeros \
 324   tst-stdc_trailing_ones \
 325   tst-stdc_trailing_zeros \
 326   tst-strfmon_l \
 327   tst-strfrom \
 328   tst-strfrom-locale \
 329   tst-strtod \
 330   tst-strtod-nan-locale \
 331   tst-strtod-nan-sign \
 332   tst-strtod-overflow \
 333   tst-strtod-round \
 334   tst-strtod-underflow \
 335   tst-strtod2 \
 336   tst-strtod5 \
 337   tst-strtod6 \
 338   tst-strtol \
 339   tst-strtol-binary-c11 \
 340   tst-strtol-binary-c2x \
 341   tst-strtol-binary-gnu11 \
 342   tst-strtol-binary-gnu2x \
 343   tst-strtol-locale \
 344   tst-strtoll \
 345   tst-swapcontext1 \
 346   tst-swapcontext2 \
 347   tst-thread-quick_exit \
 348   tst-tininess \
 349   tst-unsetenv1 \
 350   tst-width \
 351   tst-width-stdint \
 352   tst-xpg-basename \
 353   # tests
 354
 355 tests-internal := \
 356   tst-qsort4 \
 357   tst-strtod1i \
 358   tst-strtod3 \
 359   tst-strtod4 \
 360   tst-strtod5i \
 361   tst-tls-atexit \
 362   tst-tls-atexit-nodelete \
 363   # tests-internal
 364
 365 tests-static := \
 366   tst-secure-getenv \
 367   # tests-static
 368
 369 tests-container := \
 370   tst-system \
 371   #tests-container
 372
 373 ifeq ($(build-hardcoded-path-in-tests),yes)
 374 tests += \
 375   tst-empty-env \
 376   # tests
 377 endif
 378
 379 LDLIBS-test-atexit-race = $(shared-thread-library)
 380 LDLIBS-test-at_quick_exit-race = $(shared-thread-library)
 381 LDLIBS-test-cxa_atexit-race = $(shared-thread-library)
 382 LDLIBS-test-cxa_atexit-race2 = $(shared-thread-library)
 383 LDLIBS-test-on_exit-race = $(shared-thread-library)
 384 LDLIBS-tst-canon-bz26341 = $(shared-thread-library)
 385 LDLIBS-tst-arc4random-fork = $(shared-thread-library)
 386 LDLIBS-tst-arc4random-thread = $(shared-thread-library)
 387 LDLIBS-tst-system = $(shared-thread-library)
 388
 389 LDLIBS-test-dlclose-exit-race = $(shared-thread-library)
 390 LDFLAGS-test-dlclose-exit-race = $(LDFLAGS-rdynamic)
 391 LDLIBS-test-dlclose-exit-race-helper.so = $(libsupport) $(shared-thread-library)
 392
 393 CFLAGS-tst-abs.c += -fno-builtin
 394 CFLAGS-tst-labs.c += -fno-builtin
 395 CFLAGS-tst-llabs.c += -fno-builtin
 396
 397 CFLAGS-tst-stdbit-Wconversion.c += -Wconversion -Werror
 398 CFLAGS-tst-stdc_trailing_zeros.c += -fno-builtin
 399 CFLAGS-tst-stdc_trailing_ones.c += -fno-builtin
 400 CFLAGS-tst-stdc_leading_zeros.c += -fno-builtin
 401 CFLAGS-tst-stdc_leading_ones.c += -fno-builtin
 402 CFLAGS-tst-stdc_has_single_bit.c += -fno-builtin
 403 CFLAGS-tst-stdc_first_trailing_zero.c += -fno-builtin
 404 CFLAGS-tst-stdc_first_trailing_one.c += -fno-builtin
 405 CFLAGS-tst-stdc_first_leading_zero.c += -fno-builtin
 406 CFLAGS-tst-stdc_first_leading_one.c += -fno-builtin
 407 CFLAGS-tst-stdc_count_zeros.c += -fno-builtin
 408 CFLAGS-tst-stdc_count_ones.c += -fno-builtin
 409 CFLAGS-tst-stdc_bit_width.c += -fno-builtin
 410 CFLAGS-tst-stdc_bit_floor.c += -fno-builtin
 411 CFLAGS-tst-stdc_bit_ceil.c += -fno-builtin
 412
 413 ifeq ($(have-cxx-thread_local),yes)
 414 CFLAGS-tst-quick_exit.o = -std=c++11
 415 LDLIBS-tst-quick_exit = -lstdc++
 416 CFLAGS-tst-thread-quick_exit.o = -std=c++11
 417 LDLIBS-tst-thread-quick_exit = -lstdc++
 418 $(objpfx)tst-thread-quick_exit: $(shared-thread-library)
 419 else
 420 tests-unsupported += \
 421   tst-quick_exit \
 422   tst-thread-quick_exit \
 423   # tests-unsupported
 424 endif
 425
 426 modules-names = \
 427   test-dlclose-exit-race-helper \
 428   tst-tls-atexit-lib \
 429   # modules-names
 430 extra-test-objs += $(addsuffix .os, $(modules-names))
 431
 432 ifeq ($(build-shared),yes)
 433 tests += \
 434   tst-putenv \
 435   # tests
 436 endif
 437
 438 # Several mpn functions from GNU MP are used by the strtod function.
 439 mpn-routines := \
 440   add_n \
 441   addmul_1 \
 442   cmp \
 443   divmod_1 \
 444   divrem \
 445   inlines \
 446   lshift \
 447   mod_1 \
 448   mul \
 449   mul_1 \
 450   mul_n \
 451   rshift \
 452   sub_n \
 453   submul_1 \
 454   udiv_qrnnd \
 455   # mpn-routines
 456 mpn-headers = \
 457   asm-syntax.h \
 458   gmp-impl.h \
 459   gmp-mparam.h \
 460   gmp.h \
 461   longlong.h \
 462   # mpn-headers
 463
 464 routines := \
 465   $(strip $(routines) $(mpn-routines)) \
 466   dbl2mpn \
 467   ldbl2mpn \
 468   mpn2dbl \
 469   mpn2flt \
 470   mpn2ldbl \
 471   # routines
 472 aux += \
 473   fpioconst \
 474   mp_clz_tab \
 475   # aux
 476
 477 tests-extras += \
 478   tst-putenvmod \
 479   # tests-extras
 480
 481 extra-test-objs += \
 482   tst-putenvmod.os \
 483   # extra-test-objs
 484
 485 generated += \
 486   isomac \
 487   isomac.out \
 488   tst-putenvmod.so \
 489   # generated
 490
 491 CFLAGS-bsearch.c += $(uses-callbacks)
 492 CFLAGS-qsort.c += $(uses-callbacks)
 493 CFLAGS-system.c += -fexceptions
 494 CFLAGS-system.os = -fomit-frame-pointer
 495 CFLAGS-fmtmsg.c += -fexceptions
 496
 497 CFLAGS-strfmon.c += $(libio-mtsafe)
 498 CFLAGS-strfmon_l.c += $(libio-mtsafe)
 499
 500 # The strfrom class of functions call __printf_fp in order to convert the
 501 # floating-point value to characters.  This requires the value of IO_MTSAFE_IO.
 502 CFLAGS-strfromd.c += $(libio-mtsafe)
 503 CFLAGS-strfromf.c += $(libio-mtsafe)
 504 CFLAGS-strfroml.c += $(libio-mtsafe)
 505
 506 CFLAGS-strtol.c += $(config-cflags-wno-ignored-attributes)
 507 CFLAGS-strtoul.c += $(config-cflags-wno-ignored-attributes)
 508 CFLAGS-strtoll.c += $(config-cflags-wno-ignored-attributes)
 509 CFLAGS-strtoull.c += $(config-cflags-wno-ignored-attributes)
 510 CFLAGS-strtof.c += $(config-cflags-wno-ignored-attributes)
 511 CFLAGS-strtof_l.c += $(config-cflags-wno-ignored-attributes)
 512 CFLAGS-strtod.c += $(config-cflags-wno-ignored-attributes)
 513 CFLAGS-strtod_l.c += $(config-cflags-wno-ignored-attributes)
 514 CFLAGS-strtold.c += $(config-cflags-wno-ignored-attributes)
 515 CFLAGS-strtold_l.c += $(config-cflags-wno-ignored-attributes)
 516 CFLAGS-secure-getenv.c += $(config-cflags-wno-ignored-attributes)
 517
 518 CFLAGS-tst-bsearch.c += $(stack-align-test-flags)
 519 CFLAGS-tst-qsort.c += $(stack-align-test-flags)
 520 CFLAGS-tst-makecontext.c += -funwind-tables
 521 CFLAGS-tst-makecontext2.c += $(stack-align-test-flags)
 522
 523 CFLAGS-testmb.c += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -Wall -Werror
 524
 525 # Some versions of GCC supported for building glibc do not support -std=c23
 526 # or -std=gnu23 (added in GCC 14), or the older names -std=c2x or -std=gnu2x
 527 # (added in GCC 9), so the tests for those versions use -std=c11 and -std=gnu11
 528 # and then _ISOC23_SOURCE is defined in the test as needed.
 529 CFLAGS-tst-strtol-binary-c11.c += -std=c11
 530 CFLAGS-tst-strtol-binary-c2x.c += -std=c11
 531 CFLAGS-tst-strtol-binary-gnu11.c += -std=gnu11
 532 CFLAGS-tst-strtol-binary-gnu2x.c += -std=gnu11
 533
 534
 535 # Run a test on the header files we use.
 536 tests-special += $(objpfx)isomac.out
 537
 538 ifeq ($(run-built-tests),yes)
 539 tests-special += $(objpfx)tst-fmtmsg.out
 540 endif
 541
 542 include ../Rules
 543
 544 ifeq ($(run-built-tests),yes)
 545 LOCALES := \
 546   cs_CZ.UTF-8 \
 547   de_DE.UTF-8 \
 548   el_GR.UTF-8 \
 549   en_US.ISO-8859-1 \
 550   hi_IN.UTF-8 \
 551   hr_HR.UTF-8 \
 552   tg_TJ.UTF-8 \
 553   tr_TR.ISO-8859-9 \
 554   tr_TR.UTF-8 \
 555   # LOCALES
 556 include ../gen-locales.mk
 557
 558 $(objpfx)bug-strtod2.out: $(gen-locales)
 559 $(objpfx)testmb2.out: $(gen-locales)
 560 $(objpfx)tst-strtod.out: $(gen-locales)
 561 $(objpfx)tst-strtod1i.out: $(gen-locales)
 562 $(objpfx)tst-strtod3.out: $(gen-locales)
 563 $(objpfx)tst-strtod4.out: $(gen-locales)
 564 $(objpfx)tst-strtod5.out: $(gen-locales)
 565 $(objpfx)tst-strtod5i.out: $(gen-locales)
 566 $(objpfx)tst-strtol-locale.out: $(gen-locales)
 567 $(objpfx)tst-strtod-nan-locale.out: $(gen-locales)
 568 $(objpfx)tst-strfmon_l.out: $(gen-locales)
 569 $(objpfx)tst-strfrom.out: $(gen-locales)
 570 $(objpfx)tst-strfrom-locale.out: $(gen-locales)
 571 $(objpfx)test-dlclose-exit-race.out: $(objpfx)test-dlclose-exit-race-helper.so
 572 endif
 573
 574 # Testdir has to be named stdlib and needs to be writable
 575 test-canon-ARGS = --test-dir=${common-objpfx}stdlib
 576
 577 bug-fmtmsg1-ENV = SEV_LEVEL=foo,11,newsev
 578
 579 $(objpfx)isomac.out: $(objpfx)isomac
 580         $(dir $<)$(notdir $<) '$(CC)'  \
 581         '-I../include $(+sysdep-includes) $(sysincludes) -I..' > $@; \
 582         $(evaluate-test)
 583
 584 isomac-CFLAGS = -O
 585 $(objpfx)isomac: isomac.c
 586         $(native-compile)
 587
 588 $(objpfx)tst-fmtmsg.out: tst-fmtmsg.sh $(objpfx)tst-fmtmsg
 589         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 590                  '$(run-program-env)' '$(test-program-prefix-after-env)' \
 591                  $(common-objpfx)stdlib/; \
 592         $(evaluate-test)
 593
 594 $(objpfx)tst-putenv: $(objpfx)tst-putenvmod.so
 595 LDFLAGS-tst-putenv = -Wl,--no-as-needed
 596
 597 $(objpfx)tst-putenvmod.so: $(objpfx)tst-putenvmod.os $(link-libc-deps)
 598         $(build-module)
 599 libof-tst-putenvmod = extramodules
 600
 601 $(objpfx)bug-getcontext: $(libm)
 602 $(objpfx)bug-strtod2: $(libm)
 603 $(objpfx)tst-strtod-round: $(libm)
 604 $(objpfx)tst-tininess: $(libm)
 605 $(objpfx)tst-strtod-underflow: $(libm)
 606 $(objpfx)tst-strtod6: $(libm)
 607 $(objpfx)tst-strtod-nan-locale: $(libm)
 608 $(objpfx)tst-strtod-nan-sign: $(libm)
 609
 610 tst-tls-atexit-lib.so-no-z-defs = yes
 611 test-dlclose-exit-race-helper.so-no-z-defs = yes
 612
 613 $(objpfx)tst-tls-atexit: $(shared-thread-library)
 614 $(objpfx)tst-tls-atexit.out: $(objpfx)tst-tls-atexit-lib.so
 615
 616 $(objpfx)tst-tls-atexit-nodelete: $(shared-thread-library)
 617 $(objpfx)tst-tls-atexit-nodelete.out: $(objpfx)tst-tls-atexit-lib.so
 618
 619 $(objpfx)tst-setcontext3.out: tst-setcontext3.sh $(objpfx)tst-setcontext3
 620         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 621                  '$(run-program-env)' '$(test-program-prefix-after-env)' \
 622                  $(common-objpfx)stdlib/; \
 623         $(evaluate-test)
 624
 625 $(objpfx)tst-qsort5: $(libm)