xref: /llvm-project/libc/include/CMakeLists.txt (revision 73dd730fb9403ca648a46b489bf04e27b2a93840) 
1set(LIBC_INCLUDE_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
2set(LIBC_INCLUDE_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
3
4include(LLVMLibCHeaderRules)
5
6# The GPU build wants to install files in the compiler's resource directory.
7if(LIBC_TARGET_OS_IS_GPU)
8  include(GetClangResourceDir)
9endif()
10
11add_subdirectory(llvm-libc-macros)
12add_subdirectory(llvm-libc-types)
13
14add_header(
15  llvm_libc_common_h
16  HDR
17    __llvm-libc-common.h
18)
19
20# TODO: Can we simplify this macro expansion?
21# https://github.com/llvm/llvm-project/issues/117254
22macro(add_header_macro TARGET_NAME YAML_FILE GEN_HDR DEPENDS)
23  add_gen_header(
24    ${TARGET_NAME}
25    YAML_FILE ${YAML_FILE}
26    GEN_HDR ${GEN_HDR}
27    ${DEPENDS}
28    ${ARGN}
29  )
30endmacro()
31
32add_header_macro(
33  ctype
34  ../libc/include/ctype.yaml
35  ctype.h
36  DEPENDS
37    .llvm_libc_common_h
38    .llvm-libc-types.locale_t
39)
40
41add_header_macro(
42  dirent
43  ../libc/include/dirent.yaml
44  dirent.h
45  DEPENDS
46    .llvm_libc_common_h
47    .llvm-libc-types.ino_t
48    .llvm-libc-types.DIR
49    .llvm-libc-types.struct_dirent
50)
51
52add_header_macro(
53  fcntl
54  ../libc/include/fcntl.yaml
55  fcntl.h
56  DEPENDS
57    .llvm-libc-macros.fcntl_macros
58    .llvm-libc-types.mode_t
59    .llvm-libc-types.struct_flock
60    .llvm-libc-types.struct_flock64
61    .llvm-libc-types.off64_t
62    .llvm-libc-types.pid_t
63    .llvm-libc-types.off_t
64    .llvm_libc_common_h
65)
66
67add_header_macro(
68  dlfcn
69  ../libc/include/dlfcn.yaml
70  dlfcn.h
71  DEPENDS
72    .llvm-libc-macros.dlfcn_macros
73    .llvm_libc_common_h
74)
75
76add_header_macro(
77  features
78  ../libc/include/features.yaml
79  features.h
80  DEPENDS
81    .llvm_libc_common_h
82    .llvm-libc-macros.features_macros
83)
84
85add_header_macro(
86  fenv
87  ../libc/include/fenv.yaml
88  fenv.h
89  DEPENDS
90    .llvm_libc_common_h
91    .llvm-libc-macros.fenv_macros
92    .llvm-libc-types.fenv_t
93    .llvm-libc-types.fexcept_t
94)
95
96add_header_macro(
97  inttypes
98  ../libc/include/inttypes.yaml
99  inttypes.h
100  DEPENDS
101    .llvm_libc_common_h
102    .llvm-libc-types.imaxdiv_t
103    .llvm-libc-macros.inttypes_macros
104)
105
106add_header_macro(
107  float
108  ../libc/include/float.yaml
109  float.h
110  DEPENDS
111    .llvm-libc-macros.float_macros
112)
113
114add_header_macro(
115  stdint
116  ../libc/include/stdint.yaml
117  stdint.h
118  DEPENDS
119    .llvm-libc-macros.stdint_macros
120)
121
122add_header_macro(
123  limits
124  ../libc/include/limits.yaml
125  limits.h
126  DEPENDS
127    .llvm-libc-macros.limits_macros
128)
129
130add_header_macro(
131  malloc
132  ../libc/include/malloc.yaml
133  malloc.h
134  DEPENDS
135    .llvm_libc_common_h
136    .llvm-libc-macros.malloc_macros
137)
138
139add_header_macro(
140  math
141  ../libc/include/math.yaml
142  math.h
143  DEPENDS
144    .llvm_libc_common_h
145    .llvm-libc-macros.float16_macros
146    .llvm-libc-macros.math_macros
147    .llvm-libc-macros.math_function_macros
148    .llvm-libc-types.double_t
149    .llvm-libc-types.float_t
150    .llvm-libc-types.float128
151)
152
153add_header_macro(
154  stdfix
155  ../libc/include/stdfix.yaml
156  stdfix.h
157  DEPENDS
158    .llvm-libc-macros.stdfix_macros
159    .llvm-libc-types.stdfix-types
160)
161
162# TODO: This should be conditional on POSIX networking being included.
163file(MAKE_DIRECTORY ${LIBC_INCLUDE_DIR}/arpa)
164
165add_header_macro(
166  arpa_inet
167  ../libc/include/arpa/inet.yaml
168  arpa/inet.h
169  DEPENDS
170    .llvm_libc_common_h
171)
172
173add_header_macro(
174  assert
175  ../libc/include/assert.yaml
176  assert.h
177  DEPENDS
178    .llvm_libc_common_h
179    .llvm-libc-macros.assert_macros
180)
181
182add_header_macro(
183  complex
184  ../libc/include/complex.yaml
185  complex.h
186  DEPENDS
187    .llvm_libc_common_h
188    .llvm-libc-macros.complex_macros
189)
190
191add_header_macro(
192  setjmp
193  ../libc/include/setjmp.yaml
194  setjmp.h
195  DEPENDS
196    .llvm_libc_common_h
197    .llvm-libc-types.jmp_buf
198)
199
200add_header_macro(
201  string
202  ../libc/include/string.yaml
203  string.h
204  DEPENDS
205    .llvm_libc_common_h
206    .llvm-libc-macros.null_macro
207    .llvm-libc-types.size_t
208)
209
210add_header_macro(
211  strings
212  ../libc/include/strings.yaml
213  strings.h
214  DEPENDS
215    .llvm_libc_common_h
216    .llvm-libc-types.size_t
217)
218
219add_header_macro(
220  search
221  ../libc/include/search.yaml
222  search.h
223  DEPENDS
224    .llvm_libc_common_h
225    .llvm-libc-types.ACTION
226    .llvm-libc-types.ENTRY
227    .llvm-libc-types.struct_hsearch_data
228    .llvm-libc-types.size_t
229    .llvm-libc-types.__lsearchcompare_t
230)
231
232add_header_macro(
233  time
234  ../libc/include/time.yaml
235  time.h
236  DEPENDS
237    .llvm_libc_common_h
238    .llvm-libc-macros.time_macros
239    .llvm-libc-types.clock_t
240    .llvm-libc-types.time_t
241    .llvm-libc-types.struct_tm
242    .llvm-libc-types.struct_timespec
243    .llvm-libc-types.struct_timeval
244    .llvm-libc-types.clockid_t
245)
246
247add_header_macro(
248  threads
249  ../libc/include/threads.yaml
250  threads.h
251  DEPENDS
252    .llvm_libc_common_h
253    .llvm-libc-types.__call_once_func_t
254    .llvm-libc-types.once_flag
255    .llvm-libc-types.cnd_t
256    .llvm-libc-types.mtx_t
257    .llvm-libc-types.thrd_t
258    .llvm-libc-types.thrd_start_t
259    .llvm-libc-types.tss_t
260    .llvm-libc-types.tss_dtor_t
261)
262
263add_header_macro(
264  errno
265  ../libc/include/errno.yaml
266  errno.h
267  DEPENDS
268    .llvm-libc-macros.generic_error_number_macros
269    .llvm-libc-macros.error_number_macros
270)
271
272add_header_macro(
273  signal
274  ../libc/include/signal.yaml
275  signal.h
276  DEPENDS
277    .llvm-libc-macros.signal_macros
278    .llvm-libc-types.sig_atomic_t
279    .llvm-libc-types.sigset_t
280    .llvm-libc-types.struct_sigaction
281    .llvm-libc-types.union_sigval
282    .llvm-libc-types.siginfo_t
283    .llvm-libc-types.stack_t
284    .llvm-libc-types.pid_t
285)
286
287add_header_macro(
288  stdbit
289  ../libc/include/stdbit.yaml
290  stdbit.h
291  DEPENDS
292    .llvm_libc_common_h
293    .llvm-libc-macros.stdbit_macros
294)
295
296add_header_macro(
297  stdckdint
298  ../libc/include/stdckdint.yaml
299  stdckdint.h
300  DEPENDS
301    .llvm_libc_common_h
302    .llvm-libc-macros.stdckdint_macros
303)
304
305add_header_macro(
306  stdio
307  ../libc/include/stdio.yaml
308  stdio.h
309  DEPENDS
310    .llvm-libc-macros.file_seek_macros
311    .llvm-libc-macros.stdio_macros
312    .llvm-libc-types.FILE
313    .llvm-libc-types.cookie_io_functions_t
314    .llvm-libc-types.off_t
315    .llvm-libc-types.size_t
316    .llvm-libc-types.ssize_t
317    .llvm_libc_common_h
318)
319
320add_header_macro(
321  stdlib
322  ../libc/include/stdlib.yaml
323  stdlib.h
324  DEPENDS
325    .llvm_libc_common_h
326    .llvm-libc-macros.stdlib_macros
327    .llvm-libc-types.div_t
328    .llvm-libc-types.ldiv_t
329    .llvm-libc-types.lldiv_t
330    .llvm-libc-types.size_t
331    .llvm-libc-types.__bsearchcompare_t
332    .llvm-libc-types.__qsortcompare_t
333    .llvm-libc-types.__qsortrcompare_t
334    .llvm-libc-types.__atexithandler_t
335    .llvm-libc-types.locale_t
336)
337
338add_header_macro(
339  unistd
340  ../libc/include/unistd.yaml
341  unistd.h
342  DEPENDS
343    .llvm_libc_common_h
344    .llvm-libc-macros.file_seek_macros
345    .llvm-libc-macros.unistd_macros
346    .llvm-libc-types.__exec_argv_t
347    .llvm-libc-types.__exec_envp_t
348    .llvm-libc-types.off_t
349    .llvm-libc-types.pid_t
350    .llvm-libc-types.size_t
351    .llvm-libc-types.ssize_t
352    .llvm-libc-types.uid_t
353    .llvm-libc-types.__getoptargv_t
354)
355
356add_header_macro(
357  pthread
358  ../libc/include/pthread.yaml
359  pthread.h
360  DEPENDS
361    .llvm-libc-macros.pthread_macros
362    .llvm-libc-types.__atfork_callback_t
363    .llvm-libc-types.__pthread_once_func_t
364    .llvm-libc-types.__pthread_start_t
365    .llvm-libc-types.__pthread_tss_dtor_t
366    .llvm-libc-types.pthread_attr_t
367    .llvm-libc-types.pthread_condattr_t
368    .llvm-libc-types.pthread_key_t
369    .llvm-libc-types.pthread_mutex_t
370    .llvm-libc-types.pthread_mutexattr_t
371    .llvm-libc-types.pthread_once_t
372    .llvm-libc-types.pthread_rwlock_t
373    .llvm-libc-types.pthread_rwlockattr_t
374    .llvm-libc-types.pthread_spinlock_t
375    .llvm-libc-types.pthread_t
376    .llvm_libc_common_h
377)
378
379add_header_macro(
380  sched
381  ../libc/include/sched.yaml
382  sched.h
383  DEPENDS
384    .llvm_libc_common_h
385    .llvm-libc-macros.sched_macros
386    .llvm-libc-types.cpu_set_t
387    .llvm-libc-types.pid_t
388    .llvm-libc-types.size_t
389    .llvm-libc-types.struct_sched_param
390    # Needed according to posix standard
391    .llvm-libc-types.time_t
392    .llvm-libc-types.struct_timespec
393)
394
395add_header_macro(
396  spawn
397  ../libc/include/spawn.yaml
398  spawn.h
399  DEPENDS
400    .llvm_libc_common_h
401    .llvm-libc-types.mode_t
402    .llvm-libc-types.pid_t
403    .llvm-libc-types.posix_spawnattr_t
404    .llvm-libc-types.posix_spawn_file_actions_t
405)
406
407add_header_macro(
408  link
409  ../libc/include/link.yaml
410  link.h
411  DEPENDS
412    .llvm_libc_common_h
413    .llvm-libc-macros.link_macros
414)
415
416add_header_macro(
417  elf
418  ../libc/include/elf.yaml
419  elf.h
420  DEPENDS
421    .llvm-libc-macros.elf_macros
422)
423
424# TODO: Not all platforms will have a include/sys directory. Add the sys
425# directory and the targets for sys/*.h files conditional to the OS requiring
426# them.
427file(MAKE_DIRECTORY ${LIBC_INCLUDE_DIR}/sys)
428
429add_header_macro(
430  sys_auxv
431  ../libc/include/sys/auxv.yaml
432  sys/auxv.h
433  DEPENDS
434    .llvm_libc_common_h
435    .llvm-libc-macros.sys_auxv_macros
436)
437
438add_header_macro(
439  sys_epoll
440  ../libc/include/sys/epoll.yaml
441  sys/epoll.h
442  DEPENDS
443    .llvm_libc_common_h
444    .llvm-libc-types.struct_epoll_event
445    .llvm-libc-types.struct_epoll_data
446    .llvm-libc-types.sigset_t
447    .llvm-libc-macros.sys_epoll_macros
448)
449
450add_header_macro(
451  sys_ioctl
452  ../libc/include/sys/ioctl.yaml
453  sys/ioctl.h
454  DEPENDS
455    .llvm_libc_common_h
456    .llvm-libc-macros.sys_ioctl_macros
457)
458
459add_header_macro(
460  sys_mman
461  ../libc/include/sys/mman.yaml
462  sys/mman.h
463  DEPENDS
464    .llvm_libc_common_h
465    .llvm-libc-macros.sys_mman_macros
466    .llvm-libc-types.off_t
467    .llvm-libc-types.size_t
468    .llvm-libc-types.ssize_t
469)
470
471add_header_macro(
472  sys_prctl
473  ../libc/include/sys/prctl.yaml
474  sys/prctl.h
475  DEPENDS
476    .llvm_libc_common_h
477)
478
479add_header(
480  sys_queue
481  HDR
482    sys/queue.h
483  DEPENDS
484    .llvm-libc-macros.sys_queue_macros
485)
486
487add_header_macro(
488  sys_random
489  ../libc/include/sys/random.yaml
490  sys/random.h
491  DEPENDS
492    .llvm_libc_common_h
493    .llvm-libc-macros.sys_random_macros
494    .llvm-libc-types.size_t
495    .llvm-libc-types.ssize_t
496)
497
498add_header_macro(
499  sys_resource
500  ../libc/include/sys/resource.yaml
501  sys/resource.h
502  DEPENDS
503    .llvm_libc_common_h
504    .llvm-libc-macros.sys_resource_macros
505    .llvm-libc-types.rlim_t
506    .llvm-libc-types.struct_rlimit
507)
508
509add_header_macro(
510  sys_stat
511  ../libc/include/sys/stat.yaml
512  sys/stat.h
513  DEPENDS
514    .llvm_libc_common_h
515    .llvm-libc-macros.sys_stat_macros
516    .llvm-libc-types.mode_t
517    .llvm-libc-types.dev_t
518    .llvm-libc-types.ino_t
519    .llvm-libc-types.nlink_t
520    .llvm-libc-types.uid_t
521    .llvm-libc-types.gid_t
522    .llvm-libc-types.off_t
523    .llvm-libc-types.struct_timespec
524    .llvm-libc-types.struct_timeval
525    .llvm-libc-types.blksize_t
526    .llvm-libc-types.blkcnt_t
527    .llvm-libc-types.struct_stat
528)
529
530add_header_macro(
531  sys_select
532  ../libc/include/sys/select.yaml
533  sys/select.h
534  DEPENDS
535    .llvm_libc_common_h
536    .llvm-libc-macros.sys_select_macros
537    .llvm-libc-types.fd_set
538    .llvm-libc-types.sigset_t
539    .llvm-libc-types.suseconds_t
540    .llvm-libc-types.time_t
541    .llvm-libc-types.struct_timespec
542    .llvm-libc-types.struct_timeval
543)
544
545add_header_macro(
546  sys_sendfile
547  ../libc/include/sys/sendfile.yaml
548  sys/sendfile.h
549  DEPENDS
550    .llvm_libc_common_h
551    .llvm-libc-types.off_t
552    .llvm-libc-types.size_t
553    .llvm-libc-types.ssize_t
554)
555
556add_header_macro(
557  sys_socket
558  ../libc/include/sys/socket.yaml
559  sys/socket.h
560  DEPENDS
561    .llvm_libc_common_h
562    .llvm-libc-macros.sys_socket_macros
563    .llvm-libc-types.sa_family_t
564    .llvm-libc-types.socklen_t
565    .llvm-libc-types.struct_iovec
566    .llvm-libc-types.struct_msghdr
567    .llvm-libc-types.struct_sockaddr
568    .llvm-libc-types.struct_sockaddr_un
569)
570
571add_header_macro(
572  sys_statvfs
573  ../libc/include/sys/statvfs.yaml
574  sys/statvfs.h
575  DEPENDS
576    .llvm_libc_common_h
577    .llvm-libc-types.struct_statvfs
578)
579
580add_header_macro(
581  sys_syscall
582  ../libc/include/sys/syscall.yaml
583  sys/syscall.h
584  DEPENDS
585)
586
587add_header_macro(
588  sys_time
589  ../libc/include/sys/time.yaml
590  sys/time.h
591  DEPENDS
592    .llvm_libc_common_h
593    .llvm-libc-types.struct_timeval
594    .llvm-libc-macros.sys_time_macros
595)
596
597add_header_macro(
598  sys_types
599  ../libc/include/sys/types.yaml
600  sys/types.h
601  DEPENDS
602    .llvm_libc_common_h
603    .llvm-libc-types.blkcnt_t
604    .llvm-libc-types.blksize_t
605    .llvm-libc-types.clockid_t
606    .llvm-libc-types.dev_t
607    .llvm-libc-types.gid_t
608    .llvm-libc-types.ino_t
609    .llvm-libc-types.mode_t
610    .llvm-libc-types.nlink_t
611    .llvm-libc-types.off_t
612    .llvm-libc-types.pid_t
613    .llvm-libc-types.pthread_attr_t
614    .llvm-libc-types.pthread_key_t
615    .llvm-libc-types.pthread_mutex_t
616    .llvm-libc-types.pthread_mutexattr_t
617    .llvm-libc-types.pthread_once_t
618    .llvm-libc-types.pthread_t
619    .llvm-libc-types.size_t
620    .llvm-libc-types.ssize_t
621    .llvm-libc-types.suseconds_t
622    .llvm-libc-types.time_t
623    .llvm-libc-types.uid_t
624)
625
626add_header_macro(
627  sys_utsname
628  ../libc/include/sys/utsname.yaml
629  sys/utsname.h
630  DEPENDS
631    .llvm_libc_common_h
632    .llvm-libc-types.struct_utsname
633)
634
635add_header_macro(
636  sys_uio
637  ../libc/include/sys/uio.yaml
638  sys/uio.h
639  DEPENDS
640    .llvm_libc_common_h
641    .llvm-libc-types.struct_iovec
642    .llvm-libc-types.ssize_t
643)
644
645add_header_macro(
646  sys_wait
647  ../libc/include/sys/wait.yaml
648  sys/wait.h
649  DEPENDS
650    .llvm_libc_common_h
651    .llvm-libc-macros.sys_wait_macros
652    .llvm-libc-types.pid_t
653    .llvm-libc-types.struct_rusage
654    .llvm-libc-types.siginfo_t
655)
656
657add_header_macro(
658  termios
659  ../libc/include/termios.yaml
660  termios.h
661  DEPENDS
662    .llvm_libc_common_h
663    .llvm-libc-macros.termios_macros
664    .llvm-libc-types.cc_t
665    .llvm-libc-types.pid_t
666    .llvm-libc-types.speed_t
667    .llvm-libc-types.struct_termios
668    .llvm-libc-types.tcflag_t
669)
670
671add_header_macro(
672  uchar
673  ../libc/include/uchar.yaml
674  uchar.h
675  DEPENDS
676    .llvm_libc_common_h
677    .llvm-libc-types.mbstate_t
678    .llvm-libc-types.char8_t
679    .llvm-libc-types.char16_t
680    .llvm-libc-types.char32_t
681)
682
683add_header_macro(
684  wchar
685  ../libc/include/wchar.yaml
686  wchar.h
687  DEPENDS
688    .llvm_libc_common_h
689    .llvm-libc-macros.wchar_macros
690    .llvm-libc-types.mbstate_t
691    .llvm-libc-types.size_t
692    .llvm-libc-types.wint_t
693    .llvm-libc-types.wchar_t
694)
695
696add_header_macro(
697  locale
698  ../libc/include/locale.yaml
699  locale.h
700  DEPENDS
701    .llvm_libc_common_h
702    .llvm-libc-macros.locale_macros
703    .llvm-libc-types.locale_t
704    .llvm-libc-types.struct_lconv
705)
706
707if(NOT LLVM_LIBC_FULL_BUILD)
708  # We don't install headers in non-fullbuild mode.
709  return()
710endif()
711
712function(get_all_install_header_targets out_var)
713  set(all_deps ${ARGN})
714  foreach(target IN LISTS ARGN)
715    get_target_property(deps ${target} DEPS)
716    if(NOT deps)
717      continue()
718    endif()
719    list(APPEND all_deps ${deps})
720    get_all_install_header_targets(nested_deps ${deps})
721    list(APPEND all_deps ${nested_deps})
722  endforeach()
723  list(REMOVE_DUPLICATES all_deps)
724  set(${out_var} ${all_deps} PARENT_SCOPE)
725endfunction(get_all_install_header_targets)
726
727get_all_install_header_targets(all_install_header_targets ${TARGET_PUBLIC_HEADERS})
728add_library(libc-headers INTERFACE)
729add_dependencies(libc-headers ${all_install_header_targets})
730target_include_directories(libc-headers SYSTEM INTERFACE ${LIBC_INCLUDE_DIR})
731
732foreach(target IN LISTS all_install_header_targets)
733  get_target_property(header_file ${target} HEADER_FILE_PATH)
734  if(NOT header_file)
735    message(FATAL_ERROR "Installable header file '${target}' does not have the "
736                        "HEADER_FILE_PATH property set.")
737  endif()
738  file(RELATIVE_PATH relative_path ${LIBC_INCLUDE_DIR} ${header_file})
739  get_filename_component(nested_dir ${relative_path} DIRECTORY)
740  install(FILES ${header_file}
741          DESTINATION ${LIBC_INSTALL_INCLUDE_DIR}/${nested_dir}
742          COMPONENT libc-headers)
743  # The GPU optionally provides the supported declarations externally so
744  # offloading languages like CUDA and OpenMP know what is supported by libc. We
745  # install these in the compiler's resource directory at a preset location.
746  if(LIBC_TARGET_OS_IS_GPU AND PACKAGE_VERSION)
747    get_target_property(decls_file ${target} DECLS_FILE_PATH)
748    if(NOT decls_file)
749      continue()
750    endif()
751    get_clang_resource_dir(resource_dir SUBDIR include)
752    file(RELATIVE_PATH relative_path ${LIBC_INCLUDE_DIR} ${decls_file})
753    get_filename_component(nested_dir ${relative_path} DIRECTORY)
754    set(install_dir
755        ${CMAKE_INSTALL_PREFIX}/${resource_dir}/llvm_libc_wrappers/${nested_dir})
756    install(FILES ${decls_file}
757            DESTINATION ${install_dir}
758            COMPONENT libc-headers)
759  endif()
760endforeach()
761
762if(LLVM_LIBC_FULL_BUILD)
763  add_custom_target(install-libc-headers
764                    DEPENDS libc-headers
765                    COMMAND "${CMAKE_COMMAND}"
766                            -DCMAKE_INSTALL_COMPONENT=libc-headers
767                            -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
768  # Stripping is a no-op for headers
769  add_custom_target(install-libc-headers-stripped DEPENDS install-libc-headers)
770endif()
771