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Commit | Line | Data |
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41af0db3 DG |
1 | # These variables are specifically meant to be overridable via the make |
2 | # command-line. | |
9e09e02a | 3 | CC ?= clang |
90a62361 VL |
4 | WASM_NM ?= $(patsubst %clang,%llvm-nm,$(filter-out ccache sccache,$(WASM_CC))) |
5 | WASM_AR ?= $(patsubst %clang,%llvm-ar,$(filter-out ccache sccache,$(WASM_CC))) | |
7fcc4f29 | 6 | WASM_CFLAGS ?= -O2 -DNDEBUG |
320054e8 | 7 | # The directory where we build the sysroot. |
255e6f7c | 8 | SYSROOT ?= $(CURDIR)/sysroot |
320054e8 | 9 | # A directory to install to for "make install". |
255e6f7c | 10 | INSTALL_DIR ?= /usr/local |
dbfccac2 | 11 | # single or posix |
41af0db3 | 12 | THREAD_MODEL ?= single |
c7465d22 AL |
13 | # dlmalloc or none |
14 | MALLOC_IMPL ?= dlmalloc | |
320054e8 | 15 | # yes or no |
41af0db3 | 16 | BUILD_LIBC_TOP_HALF ?= yes |
320054e8 | 17 | # The directory where we're store intermediate artifacts. |
41af0db3 | 18 | OBJDIR ?= $(CURDIR)/build |
320054e8 | 19 | |
41af0db3 DG |
20 | # Variables from this point on are not meant to be overridable via the |
21 | # make command-line. | |
22 | ||
23 | # Set the target variables. Multiarch triples notably omit the vendor field, | |
24 | # which happens to be what we do for the main target triple too. | |
25 | TARGET_TRIPLE = wasm32-wasi | |
26 | MULTIARCH_TRIPLE = wasm32-wasi | |
27 | ||
28 | # These variables describe the locations of various files and directories in | |
29 | # the source tree. | |
320054e8 | 30 | DLMALLOC_DIR = $(CURDIR)/dlmalloc |
dbfccac2 | 31 | DLMALLOC_SRC_DIR = $(DLMALLOC_DIR)/src |
320054e8 | 32 | DLMALLOC_SOURCES = $(DLMALLOC_SRC_DIR)/dlmalloc.c |
dbfccac2 | 33 | DLMALLOC_INC = $(DLMALLOC_DIR)/include |
320054e8 DG |
34 | LIBC_BOTTOM_HALF_DIR = $(CURDIR)/libc-bottom-half |
35 | LIBC_BOTTOM_HALF_CLOUDLIBC_SRC = $(LIBC_BOTTOM_HALF_DIR)/cloudlibc/src | |
36 | LIBC_BOTTOM_HALF_CLOUDLIBC_SRC_INC = $(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC)/include | |
37 | LIBC_BOTTOM_HALF_HEADERS_PUBLIC = $(LIBC_BOTTOM_HALF_DIR)/headers/public | |
38 | LIBC_BOTTOM_HALF_HEADERS_PRIVATE = $(LIBC_BOTTOM_HALF_DIR)/headers/private | |
320054e8 DG |
39 | LIBC_BOTTOM_HALF_SOURCES = $(LIBC_BOTTOM_HALF_DIR)/sources |
40 | LIBC_BOTTOM_HALF_ALL_SOURCES = \ | |
41 | $(shell find $(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) -name \*.c) \ | |
320054e8 | 42 | $(shell find $(LIBC_BOTTOM_HALF_SOURCES) -name \*.c) |
5b148b61 AC |
43 | |
44 | # FIXME(https://reviews.llvm.org/D85567) - due to a bug in LLD the weak | |
45 | # references to a function defined in `chdir.c` only work if `chdir.c` is at the | |
46 | # end of the archive, but once that LLD review lands and propagates into LLVM | |
47 | # then we don't have to do this. | |
48 | LIBC_BOTTOM_HALF_ALL_SOURCES := $(filter-out $(LIBC_BOTTOM_HALF_SOURCES)/chdir.c,$(LIBC_BOTTOM_HALF_ALL_SOURCES)) | |
49 | LIBC_BOTTOM_HALF_ALL_SOURCES := $(LIBC_BOTTOM_HALF_ALL_SOURCES) $(LIBC_BOTTOM_HALF_SOURCES)/chdir.c | |
50 | ||
320054e8 DG |
51 | LIBWASI_EMULATED_MMAN_SOURCES = \ |
52 | $(shell find $(LIBC_BOTTOM_HALF_DIR)/mman -name \*.c) | |
b9b64a69 DG |
53 | LIBWASI_EMULATED_PROCESS_CLOCKS_SOURCES = \ |
54 | $(shell find $(LIBC_BOTTOM_HALF_DIR)/clocks -name \*.c) | |
659ff414 DG |
55 | LIBWASI_EMULATED_GETPID_SOURCES = \ |
56 | $(shell find $(LIBC_BOTTOM_HALF_DIR)/getpid -name \*.c) | |
d1cd4f48 DG |
57 | LIBWASI_EMULATED_SIGNAL_SOURCES = \ |
58 | $(shell find $(LIBC_BOTTOM_HALF_DIR)/signal -name \*.c) | |
59 | LIBWASI_EMULATED_SIGNAL_MUSL_SOURCES = \ | |
60 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/signal/psignal.c \ | |
61 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/string/strsignal.c | |
320054e8 DG |
62 | LIBC_BOTTOM_HALF_CRT_SOURCES = $(wildcard $(LIBC_BOTTOM_HALF_DIR)/crt/*.c) |
63 | LIBC_TOP_HALF_DIR = $(CURDIR)/libc-top-half | |
64 | LIBC_TOP_HALF_MUSL_DIR = $(LIBC_TOP_HALF_DIR)/musl | |
65 | LIBC_TOP_HALF_MUSL_SRC_DIR = $(LIBC_TOP_HALF_MUSL_DIR)/src | |
66 | LIBC_TOP_HALF_MUSL_INC = $(LIBC_TOP_HALF_MUSL_DIR)/include | |
67 | LIBC_TOP_HALF_MUSL_SOURCES = \ | |
41af0db3 DG |
68 | $(addprefix $(LIBC_TOP_HALF_MUSL_SRC_DIR)/, \ |
69 | misc/a64l.c \ | |
70 | misc/basename.c \ | |
71 | misc/dirname.c \ | |
72 | misc/ffs.c \ | |
73 | misc/ffsl.c \ | |
74 | misc/ffsll.c \ | |
75 | misc/fmtmsg.c \ | |
76 | misc/getdomainname.c \ | |
77 | misc/gethostid.c \ | |
78 | misc/getopt.c \ | |
79 | misc/getopt_long.c \ | |
80 | misc/getsubopt.c \ | |
81 | misc/uname.c \ | |
82 | misc/nftw.c \ | |
83 | errno/strerror.c \ | |
84 | network/htonl.c \ | |
85 | network/htons.c \ | |
86 | network/ntohl.c \ | |
87 | network/ntohs.c \ | |
88 | network/inet_ntop.c \ | |
89 | network/inet_pton.c \ | |
90 | network/inet_aton.c \ | |
91 | network/in6addr_any.c \ | |
92 | network/in6addr_loopback.c \ | |
93 | fenv/fenv.c \ | |
94 | fenv/fesetround.c \ | |
95 | fenv/feupdateenv.c \ | |
96 | fenv/fesetexceptflag.c \ | |
97 | fenv/fegetexceptflag.c \ | |
98 | fenv/feholdexcept.c \ | |
99 | exit/exit.c \ | |
100 | exit/atexit.c \ | |
101 | exit/assert.c \ | |
102 | exit/quick_exit.c \ | |
103 | exit/at_quick_exit.c \ | |
104 | time/strftime.c \ | |
105 | time/asctime.c \ | |
106 | time/asctime_r.c \ | |
107 | time/ctime.c \ | |
108 | time/ctime_r.c \ | |
109 | time/wcsftime.c \ | |
110 | time/strptime.c \ | |
111 | time/difftime.c \ | |
112 | time/timegm.c \ | |
113 | time/ftime.c \ | |
114 | time/gmtime.c \ | |
115 | time/gmtime_r.c \ | |
116 | time/timespec_get.c \ | |
117 | time/getdate.c \ | |
118 | time/localtime.c \ | |
119 | time/localtime_r.c \ | |
120 | time/mktime.c \ | |
121 | time/__tm_to_secs.c \ | |
122 | time/__month_to_secs.c \ | |
123 | time/__secs_to_tm.c \ | |
124 | time/__year_to_secs.c \ | |
125 | time/__tz.c \ | |
126 | fcntl/creat.c \ | |
127 | dirent/alphasort.c \ | |
128 | dirent/versionsort.c \ | |
129 | env/clearenv.c \ | |
130 | env/getenv.c \ | |
131 | env/putenv.c \ | |
132 | env/setenv.c \ | |
133 | env/unsetenv.c \ | |
134 | unistd/posix_close.c \ | |
079adff8 | 135 | stat/futimesat.c \ |
41af0db3 | 136 | ) \ |
320054e8 DG |
137 | $(filter-out %/procfdname.c %/syscall.c %/syscall_ret.c %/vdso.c %/version.c, \ |
138 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal/*.c)) \ | |
139 | $(filter-out %/flockfile.c %/funlockfile.c %/__lockfile.c %/ftrylockfile.c \ | |
140 | %/rename.c \ | |
141 | %/tmpnam.c %/tmpfile.c %/tempnam.c \ | |
142 | %/popen.c %/pclose.c \ | |
143 | %/remove.c \ | |
144 | %/gets.c, \ | |
145 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/*.c)) \ | |
146 | $(filter-out %/strsignal.c, \ | |
147 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/string/*.c)) \ | |
8048aeb5 | 148 | $(filter-out %/dcngettext.c %/textdomain.c %/bind_textdomain_codeset.c, \ |
320054e8 DG |
149 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/locale/*.c)) \ |
150 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/*.c) \ | |
151 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/search/*.c) \ | |
152 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/multibyte/*.c) \ | |
153 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/regex/*.c) \ | |
320054e8 DG |
154 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/prng/*.c) \ |
155 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/conf/*.c) \ | |
156 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/ctype/*.c) \ | |
900b8032 | 157 | $(filter-out %/__signbit.c %/__signbitf.c %/__signbitl.c \ |
16450763 DG |
158 | %/__fpclassify.c %/__fpclassifyf.c %/__fpclassifyl.c \ |
159 | %/ceilf.c %/ceil.c \ | |
160 | %/floorf.c %/floor.c \ | |
161 | %/truncf.c %/trunc.c \ | |
162 | %/rintf.c %/rint.c \ | |
163 | %/nearbyintf.c %/nearbyint.c \ | |
164 | %/sqrtf.c %/sqrt.c \ | |
165 | %/fabsf.c %/fabs.c \ | |
cf81683e DG |
166 | %/copysignf.c %/copysign.c \ |
167 | %/fminf.c %/fmaxf.c \ | |
168 | %/fmin.c %/fmax.c, \ | |
900b8032 | 169 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/math/*.c)) \ |
5ccebd31 DG |
170 | $(filter-out %/crealf.c %/creal.c %creall.c \ |
171 | %/cimagf.c %/cimag.c %cimagl.c, \ | |
7d5074ff | 172 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/complex/*.c)) \ |
320054e8 DG |
173 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/crypt/*.c) |
174 | MUSL_PRINTSCAN_SOURCES = \ | |
175 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal/floatscan.c \ | |
176 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfprintf.c \ | |
2201343c | 177 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfwprintf.c \ |
320054e8 DG |
178 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfscanf.c \ |
179 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/strtod.c \ | |
180 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/wcstod.c | |
181 | LIBC_TOP_HALF_HEADERS_PRIVATE = $(LIBC_TOP_HALF_DIR)/headers/private | |
182 | LIBC_TOP_HALF_SOURCES = $(LIBC_TOP_HALF_DIR)/sources | |
183 | LIBC_TOP_HALF_ALL_SOURCES = \ | |
184 | $(LIBC_TOP_HALF_MUSL_SOURCES) \ | |
185 | $(shell find $(LIBC_TOP_HALF_SOURCES) -name \*.c) | |
186 | ||
320054e8 | 187 | # Set the target. |
5ccfab77 | 188 | CFLAGS = $(WASM_CFLAGS) --target=$(TARGET_TRIPLE) |
320054e8 DG |
189 | # WebAssembly floating-point match doesn't trap. |
190 | # TODO: Add -fno-signaling-nans when the compiler supports it. | |
5ccfab77 | 191 | CFLAGS += -fno-trapping-math |
63f0f3c5 DG |
192 | # Add all warnings, but disable a few which occur in third-party code. |
193 | CFLAGS += -Wall -Wextra -Werror \ | |
194 | -Wno-null-pointer-arithmetic \ | |
9520010f | 195 | -Wno-unused-parameter \ |
e69430a9 | 196 | -Wno-sign-compare \ |
6273a5ff | 197 | -Wno-unused-variable \ |
ed6e0ba9 | 198 | -Wno-unused-function \ |
e8270d1b | 199 | -Wno-ignored-attributes \ |
b77dcff6 | 200 | -Wno-missing-braces \ |
9cbfeaaa | 201 | -Wno-ignored-pragmas \ |
a78cd329 DG |
202 | -Wno-unused-but-set-variable \ |
203 | -Wno-unknown-warning-option | |
dbfccac2 DG |
204 | |
205 | # Configure support for threads. | |
320054e8 | 206 | ifeq ($(THREAD_MODEL), single) |
5ccfab77 | 207 | CFLAGS += -mthread-model single |
dbfccac2 | 208 | endif |
320054e8 | 209 | ifeq ($(THREAD_MODEL), posix) |
5ccfab77 | 210 | CFLAGS += -mthread-model posix -pthread |
320054e8 DG |
211 | endif |
212 | ||
fc260f1a JE |
213 | # Expose the public headers to the implementation. We use `-isystem` for |
214 | # purpose for two reasons: | |
215 | # | |
216 | # 1. It only does `<...>` not `"...."` lookup. We are making a libc, | |
217 | # which is a system library, so all public headers should be | |
218 | # accessible via `<...>` and never also need `"..."`. `-isystem` main | |
219 | # purpose is to only effect `<...>` lookup. | |
220 | # | |
221 | # 2. The `-I` for private headers added for specific C files below | |
222 | # should come earlier in the search path, so they can "override" | |
223 | # and/or `#include_next` the public headers. `-isystem` (like | |
224 | # `-idirafter`) comes later in the search path than `-I`. | |
225 | CFLAGS += -isystem "$(SYSROOT_INC)" | |
320054e8 | 226 | |
41af0db3 DG |
227 | # These variables describe the locations of various files and directories in |
228 | # the build tree. | |
320054e8 | 229 | objs = $(patsubst $(CURDIR)/%.c,$(OBJDIR)/%.o,$(1)) |
41af0db3 DG |
230 | DLMALLOC_OBJS = $(call objs,$(DLMALLOC_SOURCES)) |
231 | LIBC_BOTTOM_HALF_ALL_OBJS = $(call objs,$(LIBC_BOTTOM_HALF_ALL_SOURCES)) | |
232 | LIBC_TOP_HALF_ALL_OBJS = $(call objs,$(LIBC_TOP_HALF_ALL_SOURCES)) | |
c7465d22 | 233 | ifeq ($(MALLOC_IMPL),dlmalloc) |
41af0db3 | 234 | LIBC_OBJS += $(DLMALLOC_OBJS) |
c7465d22 AL |
235 | else ifeq ($(MALLOC_IMPL),none) |
236 | # No object files to add. | |
237 | else | |
238 | $(error unknown malloc implementation $(MALLOC_IMPL)) | |
dbfccac2 | 239 | endif |
320054e8 | 240 | # Add libc-bottom-half's objects. |
41af0db3 | 241 | LIBC_OBJS += $(LIBC_BOTTOM_HALF_ALL_OBJS) |
320054e8 | 242 | ifeq ($(BUILD_LIBC_TOP_HALF),yes) |
320054e8 | 243 | # libc-top-half is musl. |
41af0db3 | 244 | LIBC_OBJS += $(LIBC_TOP_HALF_ALL_OBJS) |
320054e8 | 245 | endif |
41af0db3 DG |
246 | MUSL_PRINTSCAN_OBJS = $(call objs,$(MUSL_PRINTSCAN_SOURCES)) |
247 | MUSL_PRINTSCAN_LONG_DOUBLE_OBJS = $(patsubst %.o,%.long-double.o,$(MUSL_PRINTSCAN_OBJS)) | |
248 | MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS = $(patsubst %.o,%.no-floating-point.o,$(MUSL_PRINTSCAN_OBJS)) | |
249 | LIBWASI_EMULATED_MMAN_OBJS = $(call objs,$(LIBWASI_EMULATED_MMAN_SOURCES)) | |
b9b64a69 | 250 | LIBWASI_EMULATED_PROCESS_CLOCKS_OBJS = $(call objs,$(LIBWASI_EMULATED_PROCESS_CLOCKS_SOURCES)) |
659ff414 | 251 | LIBWASI_EMULATED_GETPID_OBJS = $(call objs,$(LIBWASI_EMULATED_GETPID_SOURCES)) |
d1cd4f48 DG |
252 | LIBWASI_EMULATED_SIGNAL_OBJS = $(call objs,$(LIBWASI_EMULATED_SIGNAL_SOURCES)) |
253 | LIBWASI_EMULATED_SIGNAL_MUSL_OBJS = $(call objs,$(LIBWASI_EMULATED_SIGNAL_MUSL_SOURCES)) | |
41af0db3 DG |
254 | |
255 | # These variables describe the locations of various files and | |
256 | # directories in the generated sysroot tree. | |
257 | SYSROOT_LIB := $(SYSROOT)/lib/$(MULTIARCH_TRIPLE) | |
258 | SYSROOT_INC = $(SYSROOT)/include | |
259 | SYSROOT_SHARE = $(SYSROOT)/share/$(MULTIARCH_TRIPLE) | |
320054e8 | 260 | |
1f409842 DG |
261 | # Files from musl's include directory that we don't want to install in the |
262 | # sysroot's include directory. | |
41af0db3 | 263 | MUSL_OMIT_HEADERS := |
1f409842 DG |
264 | |
265 | # Remove files which aren't headers (we generate alltypes.h below). | |
41af0db3 | 266 | MUSL_OMIT_HEADERS += \ |
1f409842 DG |
267 | "bits/syscall.h.in" \ |
268 | "bits/alltypes.h.in" \ | |
269 | "alltypes.h.in" | |
270 | ||
33e8b518 | 271 | # Use the compiler's version of these headers. |
41af0db3 | 272 | MUSL_OMIT_HEADERS += \ |
33e8b518 DG |
273 | "stdarg.h" \ |
274 | "stddef.h" | |
275 | ||
1f409842 | 276 | # Use the WASI errno definitions. |
41af0db3 | 277 | MUSL_OMIT_HEADERS += \ |
1f409842 DG |
278 | "bits/errno.h" |
279 | ||
280 | # Remove headers that aren't supported yet or that aren't relevant for WASI. | |
41af0db3 | 281 | MUSL_OMIT_HEADERS += \ |
1f409842 DG |
282 | "sys/procfs.h" \ |
283 | "sys/user.h" \ | |
284 | "sys/kd.h" "sys/vt.h" "sys/soundcard.h" "sys/sem.h" \ | |
285 | "sys/shm.h" "sys/msg.h" "sys/ipc.h" "sys/ptrace.h" \ | |
286 | "sys/statfs.h" \ | |
287 | "bits/kd.h" "bits/vt.h" "bits/soundcard.h" "bits/sem.h" \ | |
288 | "bits/shm.h" "bits/msg.h" "bits/ipc.h" "bits/ptrace.h" \ | |
289 | "bits/statfs.h" \ | |
290 | "sys/vfs.h" \ | |
291 | "sys/statvfs.h" \ | |
292 | "syslog.h" "sys/syslog.h" \ | |
293 | "wait.h" "sys/wait.h" \ | |
294 | "ucontext.h" "sys/ucontext.h" \ | |
295 | "paths.h" \ | |
296 | "utmp.h" "utmpx.h" \ | |
297 | "lastlog.h" \ | |
298 | "sys/acct.h" \ | |
299 | "sys/cachectl.h" \ | |
300 | "sys/epoll.h" "sys/reboot.h" "sys/swap.h" \ | |
301 | "sys/sendfile.h" "sys/inotify.h" \ | |
302 | "sys/quota.h" \ | |
303 | "sys/klog.h" \ | |
304 | "sys/fsuid.h" \ | |
305 | "sys/io.h" \ | |
306 | "sys/prctl.h" \ | |
307 | "sys/mtio.h" \ | |
308 | "sys/mount.h" \ | |
309 | "sys/fanotify.h" \ | |
310 | "sys/personality.h" \ | |
311 | "elf.h" "link.h" "bits/link.h" \ | |
312 | "scsi/scsi.h" "scsi/scsi_ioctl.h" "scsi/sg.h" \ | |
313 | "sys/auxv.h" \ | |
314 | "pwd.h" "shadow.h" "grp.h" \ | |
315 | "mntent.h" \ | |
316 | "netdb.h" \ | |
317 | "resolv.h" \ | |
318 | "pty.h" \ | |
319 | "dlfcn.h" \ | |
320 | "setjmp.h" \ | |
321 | "ulimit.h" \ | |
322 | "sys/xattr.h" \ | |
323 | "wordexp.h" \ | |
324 | "spawn.h" \ | |
325 | "sys/membarrier.h" \ | |
326 | "sys/signalfd.h" \ | |
327 | "termios.h" \ | |
328 | "sys/termios.h" \ | |
329 | "bits/termios.h" \ | |
330 | "net/if.h" \ | |
331 | "net/if_arp.h" \ | |
332 | "net/ethernet.h" \ | |
333 | "net/route.h" \ | |
334 | "netinet/if_ether.h" \ | |
335 | "netinet/ether.h" \ | |
eb7230cf DG |
336 | "sys/timerfd.h" \ |
337 | "libintl.h" \ | |
7b92f334 | 338 | "sys/sysmacros.h" |
1f409842 DG |
339 | |
340 | ifeq ($(THREAD_MODEL), single) | |
341 | # Remove headers not supported in single-threaded mode. | |
41af0db3 | 342 | MUSL_OMIT_HEADERS += "aio.h" "pthread.h" |
1f409842 DG |
343 | endif |
344 | ||
41af0db3 | 345 | default: finish |
320054e8 DG |
346 | |
347 | $(SYSROOT_LIB)/libc.a: $(LIBC_OBJS) | |
348 | ||
349 | $(SYSROOT_LIB)/libc-printscan-long-double.a: $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) | |
350 | ||
351 | $(SYSROOT_LIB)/libc-printscan-no-floating-point.a: $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS) | |
352 | ||
353 | $(SYSROOT_LIB)/libwasi-emulated-mman.a: $(LIBWASI_EMULATED_MMAN_OBJS) | |
354 | ||
b9b64a69 DG |
355 | $(SYSROOT_LIB)/libwasi-emulated-process-clocks.a: $(LIBWASI_EMULATED_PROCESS_CLOCKS_OBJS) |
356 | ||
659ff414 DG |
357 | $(SYSROOT_LIB)/libwasi-emulated-getpid.a: $(LIBWASI_EMULATED_GETPID_OBJS) |
358 | ||
d1cd4f48 DG |
359 | $(SYSROOT_LIB)/libwasi-emulated-signal.a: $(LIBWASI_EMULATED_SIGNAL_OBJS) $(LIBWASI_EMULATED_SIGNAL_MUSL_OBJS) |
360 | ||
320054e8 DG |
361 | %.a: |
362 | @mkdir -p "$(@D)" | |
255e6f7c TS |
363 | # On Windows, the commandline for the ar invocation got too long, so it needs to be split up. |
364 | $(WASM_AR) crs $@ $(wordlist 1, 199, $^) | |
365 | $(WASM_AR) crs $@ $(wordlist 200, 399, $^) | |
366 | $(WASM_AR) crs $@ $(wordlist 400, 599, $^) | |
367 | $(WASM_AR) crs $@ $(wordlist 600, 799, $^) | |
368 | # This might eventually overflow again, but at least it'll do so in a loud way instead of | |
369 | # silently dropping the tail. | |
370 | $(WASM_AR) crs $@ $(wordlist 800, 100000, $^) | |
320054e8 | 371 | |
5ccfab77 | 372 | $(MUSL_PRINTSCAN_OBJS): CFLAGS += \ |
320054e8 DG |
373 | -D__wasilibc_printscan_no_long_double \ |
374 | -D__wasilibc_printscan_full_support_option="\"add -lc-printscan-long-double to the link command\"" | |
375 | ||
5ccfab77 | 376 | $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS): CFLAGS += \ |
320054e8 DG |
377 | -D__wasilibc_printscan_no_floating_point \ |
378 | -D__wasilibc_printscan_floating_point_support_option="\"remove -lc-printscan-no-floating-point from the link command\"" | |
379 | ||
5ccfab77 | 380 | $(LIBWASI_EMULATED_SIGNAL_MUSL_OBJS): CFLAGS += \ |
d1cd4f48 DG |
381 | -D_WASI_EMULATED_SIGNAL |
382 | ||
8e8cc34a | 383 | $(OBJDIR)/%.long-double.o: $(CURDIR)/%.c include_dirs |
320054e8 | 384 | @mkdir -p "$(@D)" |
9e09e02a | 385 | $(CC) $(CFLAGS) -MD -MP -o $@ -c $< |
dcf13b6f | 386 | |
8e8cc34a | 387 | $(OBJDIR)/%.no-floating-point.o: $(CURDIR)/%.c include_dirs |
320054e8 | 388 | @mkdir -p "$(@D)" |
9e09e02a | 389 | $(CC) $(CFLAGS) -MD -MP -o $@ -c $< |
320054e8 | 390 | |
8e8cc34a | 391 | $(OBJDIR)/%.o: $(CURDIR)/%.c include_dirs |
320054e8 | 392 | @mkdir -p "$(@D)" |
9e09e02a | 393 | $(CC) $(CFLAGS) -MD -MP -o $@ -c $< |
320054e8 | 394 | |
255e6f7c | 395 | -include $(shell find $(OBJDIR) -name \*.d) |
320054e8 | 396 | |
5ccfab77 | 397 | $(DLMALLOC_OBJS): CFLAGS += \ |
320054e8 DG |
398 | -I$(DLMALLOC_INC) |
399 | ||
5ccfab77 | 400 | startup_files $(LIBC_BOTTOM_HALF_ALL_OBJS): CFLAGS += \ |
320054e8 DG |
401 | -I$(LIBC_BOTTOM_HALF_HEADERS_PRIVATE) \ |
402 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC_INC) \ | |
7fcc4f29 | 403 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) |
320054e8 | 404 | |
5ccfab77 | 405 | $(LIBC_TOP_HALF_ALL_OBJS) $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS) $(LIBWASI_EMULATED_SIGNAL_MUSL_OBJS): CFLAGS += \ |
320054e8 DG |
406 | -I$(LIBC_TOP_HALF_MUSL_SRC_DIR)/include \ |
407 | -I$(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal \ | |
408 | -I$(LIBC_TOP_HALF_MUSL_DIR)/arch/wasm32 \ | |
409 | -I$(LIBC_TOP_HALF_MUSL_DIR)/arch/generic \ | |
410 | -I$(LIBC_TOP_HALF_HEADERS_PRIVATE) \ | |
411 | -Wno-parentheses \ | |
412 | -Wno-shift-op-parentheses \ | |
413 | -Wno-bitwise-op-parentheses \ | |
414 | -Wno-logical-op-parentheses \ | |
415 | -Wno-string-plus-int \ | |
416 | -Wno-dangling-else \ | |
417 | -Wno-unknown-pragmas | |
418 | ||
b9b64a69 DG |
419 | $(LIBWASI_EMULATED_PROCESS_CLOCKS_OBJS): CFLAGS += \ |
420 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) | |
421 | ||
8e8cc34a | 422 | include_dirs: |
dcf13b6f DG |
423 | # |
424 | # Install the include files. | |
425 | # | |
320054e8 | 426 | mkdir -p "$(SYSROOT_INC)" |
320054e8 DG |
427 | cp -r "$(LIBC_BOTTOM_HALF_HEADERS_PUBLIC)"/* "$(SYSROOT_INC)" |
428 | ||
429 | # Generate musl's bits/alltypes.h header. | |
430 | mkdir -p "$(SYSROOT_INC)/bits" | |
431 | sed -f $(LIBC_TOP_HALF_MUSL_DIR)/tools/mkalltypes.sed \ | |
432 | $(LIBC_TOP_HALF_MUSL_DIR)/arch/wasm32/bits/alltypes.h.in \ | |
433 | $(LIBC_TOP_HALF_MUSL_DIR)/include/alltypes.h.in \ | |
434 | > "$(SYSROOT_INC)/bits/alltypes.h" | |
435 | ||
436 | # Copy in the bulk of musl's public header files. | |
437 | cp -r "$(LIBC_TOP_HALF_MUSL_INC)"/* "$(SYSROOT_INC)" | |
438 | # Copy in the musl's "bits" header files. | |
439 | cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/generic/bits/* "$(SYSROOT_INC)/bits" | |
440 | cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/wasm32/bits/* "$(SYSROOT_INC)/bits" | |
441 | ||
1f409842 DG |
442 | # Remove selected header files. |
443 | $(RM) $(patsubst %,$(SYSROOT_INC)/%,$(MUSL_OMIT_HEADERS)) | |
320054e8 | 444 | |
8e8cc34a | 445 | startup_files: include_dirs |
dcf13b6f | 446 | # |
320054e8 | 447 | # Build the startup files. |
dcf13b6f | 448 | # |
320054e8 DG |
449 | @mkdir -p "$(OBJDIR)" |
450 | cd "$(OBJDIR)" && \ | |
9e09e02a | 451 | $(CC) $(CFLAGS) -c $(LIBC_BOTTOM_HALF_CRT_SOURCES) -MD -MP && \ |
320054e8 DG |
452 | mkdir -p "$(SYSROOT_LIB)" && \ |
453 | mv *.o "$(SYSROOT_LIB)" | |
dcf13b6f | 454 | |
8e8cc34a | 455 | libc: include_dirs \ |
320054e8 DG |
456 | $(SYSROOT_LIB)/libc.a \ |
457 | $(SYSROOT_LIB)/libc-printscan-long-double.a \ | |
458 | $(SYSROOT_LIB)/libc-printscan-no-floating-point.a \ | |
d1cd4f48 | 459 | $(SYSROOT_LIB)/libwasi-emulated-mman.a \ |
b9b64a69 | 460 | $(SYSROOT_LIB)/libwasi-emulated-process-clocks.a \ |
659ff414 | 461 | $(SYSROOT_LIB)/libwasi-emulated-getpid.a \ |
d1cd4f48 | 462 | $(SYSROOT_LIB)/libwasi-emulated-signal.a |
320054e8 | 463 | |
8e8cc34a | 464 | finish: startup_files libc |
dcf13b6f | 465 | # |
320054e8 | 466 | # Create empty placeholder libraries. |
dcf13b6f | 467 | # |
1f7d798a | 468 | for name in m rt pthread crypt util xnet resolv dl; do \ |
320054e8 DG |
469 | $(WASM_AR) crs "$(SYSROOT_LIB)/lib$${name}.a"; \ |
470 | done | |
dbfccac2 | 471 | |
c7465d22 AL |
472 | # |
473 | # The build succeeded! The generated sysroot is in $(SYSROOT). | |
474 | # | |
475 | ||
476 | # The check for defined and undefined symbols expects there to be a heap | |
477 | # alloctor (providing malloc, calloc, free, etc). Skip this step if the build | |
478 | # is done without a malloc implementation. | |
479 | ifneq ($(MALLOC_IMPL),none) | |
480 | finish: check-symbols | |
481 | endif | |
482 | ||
18f9e0aa JE |
483 | DEFINED_SYMBOLS = $(SYSROOT_SHARE)/defined-symbols.txt |
484 | UNDEFINED_SYMBOLS = $(SYSROOT_SHARE)/undefined-symbols.txt | |
485 | ||
c7465d22 | 486 | check-symbols: startup_files libc |
dbfccac2 | 487 | # |
320054e8 | 488 | # Collect metadata on the sysroot and perform sanity checks. |
dbfccac2 | 489 | # |
320054e8 DG |
490 | mkdir -p "$(SYSROOT_SHARE)" |
491 | ||
41af0db3 | 492 | # |
320054e8 | 493 | # Collect symbol information. |
41af0db3 DG |
494 | # |
495 | @# TODO: Use llvm-nm --extern-only instead of grep. This is blocked on | |
496 | @# LLVM PR40497, which is fixed in 9.0, but not in 8.0. | |
497 | @# Ignore certain llvm builtin symbols such as those starting with __mul | |
498 | @# since these dependencies can vary between llvm versions. | |
549b32be | 499 | "$(WASM_NM)" --defined-only "$(SYSROOT_LIB)"/libc.a "$(SYSROOT_LIB)"/libwasi-emulated-*.a "$(SYSROOT_LIB)"/*.o \ |
18f9e0aa | 500 | |grep ' [[:upper:]] ' |sed 's/.* [[:upper:]] //' |LC_ALL=C sort > "$(DEFINED_SYMBOLS)" |
d1cd4f48 | 501 | for undef_sym in $$("$(WASM_NM)" --undefined-only "$(SYSROOT_LIB)"/libc.a "$(SYSROOT_LIB)"/libc-*.a "$(SYSROOT_LIB)"/*.o \ |
fad009dc | 502 | |grep ' U ' |sed 's/.* U //' |LC_ALL=C sort |uniq); do \ |
18f9e0aa JE |
503 | grep -q '\<'$$undef_sym'\>' "$(DEFINED_SYMBOLS)" || echo $$undef_sym; \ |
504 | done | grep -v "^__mul" > "$(UNDEFINED_SYMBOLS)" | |
505 | grep '^_*imported_wasi_' "$(UNDEFINED_SYMBOLS)" \ | |
320054e8 DG |
506 | > "$(SYSROOT_LIB)/libc.imports" |
507 | ||
41af0db3 | 508 | # |
320054e8 | 509 | # Generate a test file that includes all public header files. |
41af0db3 | 510 | # |
4cb4b26f JE |
511 | cd "$(SYSROOT_INC)" && \ |
512 | for header in $$(find . -type f -not -name mman.h -not -name signal.h -not -name times.h -not -name resource.h |grep -v /bits/); do \ | |
513 | echo '#include <'$$header'>' | sed 's/\.\///' ; \ | |
514 | done |LC_ALL=C sort >$(SYSROOT_SHARE)/include-all.c ; \ | |
320054e8 DG |
515 | cd - >/dev/null |
516 | ||
41af0db3 | 517 | # |
320054e8 | 518 | # Test that it compiles. |
41af0db3 | 519 | # |
9e09e02a | 520 | $(CC) $(CFLAGS) -fsyntax-only "$(SYSROOT_SHARE)/include-all.c" -Wno-\#warnings |
320054e8 | 521 | |
8df0d4cd | 522 | # |
41af0db3 DG |
523 | # Collect all the predefined macros, except for compiler version macros |
524 | # which we don't need to track here. | |
8df0d4cd | 525 | # |
41af0db3 DG |
526 | @# |
527 | @# For the __*_ATOMIC_*_LOCK_FREE macros, squash individual compiler names | |
528 | @# to attempt, toward keeping these files compiler-independent. | |
529 | @# | |
530 | @# We have to add `-isystem $(SYSROOT_INC)` because otherwise clang puts | |
531 | @# its builtin include path first, which produces compiler-specific | |
532 | @# output. | |
533 | @# | |
534 | @# TODO: Undefine __FLOAT128__ for now since it's not in clang 8.0. | |
535 | @# TODO: Filter out __FLT16_* for now, as not all versions of clang have these. | |
9e09e02a | 536 | $(CC) $(CFLAGS) "$(SYSROOT_SHARE)/include-all.c" \ |
8df0d4cd | 537 | -isystem $(SYSROOT_INC) \ |
38b930a2 | 538 | -std=gnu17 \ |
320054e8 | 539 | -E -dM -Wno-\#warnings \ |
9f0d8e85 | 540 | -D_ALL_SOURCE \ |
320054e8 DG |
541 | -U__llvm__ \ |
542 | -U__clang__ \ | |
543 | -U__clang_major__ \ | |
544 | -U__clang_minor__ \ | |
545 | -U__clang_patchlevel__ \ | |
546 | -U__clang_version__ \ | |
ad513341 MH |
547 | -U__clang_literal_encoding__ \ |
548 | -U__clang_wide_literal_encoding__ \ | |
320054e8 DG |
549 | -U__GNUC__ \ |
550 | -U__GNUC_MINOR__ \ | |
551 | -U__GNUC_PATCHLEVEL__ \ | |
552 | -U__VERSION__ \ | |
553 | -U__FLOAT128__ \ | |
554 | | sed -e 's/__[[:upper:][:digit:]]*_ATOMIC_\([[:upper:][:digit:]_]*\)_LOCK_FREE/__compiler_ATOMIC_\1_LOCK_FREE/' \ | |
f74124a6 | 555 | | grep -v '^#define __FLT16_' \ |
320054e8 DG |
556 | > "$(SYSROOT_SHARE)/predefined-macros.txt" |
557 | ||
320054e8 | 558 | # Check that the computed metadata matches the expected metadata. |
255e6f7c TS |
559 | # This ignores whitespace because on Windows the output has CRLF line endings. |
560 | diff -wur "$(CURDIR)/expected/$(MULTIARCH_TRIPLE)" "$(SYSROOT_SHARE)" | |
320054e8 | 561 | |
8e8cc34a | 562 | install: finish |
320054e8 DG |
563 | mkdir -p "$(INSTALL_DIR)" |
564 | cp -r "$(SYSROOT)/lib" "$(SYSROOT)/share" "$(SYSROOT)/include" "$(INSTALL_DIR)" | |
565 | ||
111c8729 JE |
566 | clean: |
567 | $(RM) -r "$(OBJDIR)" | |
568 | $(RM) -r "$(SYSROOT)" | |
569 | ||
570 | .PHONY: default startup_files libc finish install include_dirs clean |