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Commit | Line | Data |
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dcf13b6f DG |
1 | # These variables are specifically meant to be overridable via |
2 | # the make command-line. | |
255e6f7c TS |
3 | WASM_CC ?= clang |
4 | WASM_NM ?= $(patsubst %clang,%llvm-nm,$(WASM_CC)) | |
5 | WASM_AR ?= $(patsubst %clang,%llvm-ar,$(WASM_CC)) | |
6 | WASM_CFLAGS ?= -O2 | |
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 DG |
11 | # single or posix |
12 | THREAD_MODEL = single | |
320054e8 DG |
13 | # yes or no |
14 | BUILD_DLMALLOC = yes | |
15 | BUILD_LIBC_BOTTOM_HALF = yes | |
16 | BUILD_LIBC_TOP_HALF = yes | |
17 | # The directory where we're store intermediate artifacts. | |
18 | OBJDIR = $(CURDIR)/build | |
19 | ||
20 | # Check dependencies. | |
21 | ifeq ($(BUILD_LIBC_TOP_HALF),yes) | |
22 | ifneq ($(BUILD_LIBC_BOTTOM_HALF),yes) | |
23 | $(error BUILD_LIBC_TOP_HALF=yes depends on BUILD_LIBC_BOTTOM_HALF=yes) | |
24 | endif | |
25 | endif | |
26 | ifeq ($(BUILD_LIBC_BOTTOM_HALF),yes) | |
27 | ifneq ($(BUILD_DLMALLOC),yes) | |
28 | $(error BUILD_LIBC_BOTTOM_HALF=yes depends on BUILD_DLMALLOC=yes) | |
29 | endif | |
30 | endif | |
dcf13b6f DG |
31 | |
32 | # These variables describe the locations of various files and | |
33 | # directories in the source tree. | |
320054e8 | 34 | BASICS_DIR = $(CURDIR)/basics |
dbfccac2 | 35 | BASICS_INC = $(BASICS_DIR)/include |
ad03c82d DG |
36 | BASICS_CRT_SOURCES = $(wildcard $(BASICS_DIR)/crt/*.c) |
37 | BASICS_SOURCES = $(wildcard $(BASICS_DIR)/sources/*.c) | |
320054e8 | 38 | DLMALLOC_DIR = $(CURDIR)/dlmalloc |
dbfccac2 | 39 | DLMALLOC_SRC_DIR = $(DLMALLOC_DIR)/src |
320054e8 | 40 | DLMALLOC_SOURCES = $(DLMALLOC_SRC_DIR)/dlmalloc.c |
dbfccac2 | 41 | DLMALLOC_INC = $(DLMALLOC_DIR)/include |
320054e8 DG |
42 | LIBC_BOTTOM_HALF_DIR = $(CURDIR)/libc-bottom-half |
43 | LIBC_BOTTOM_HALF_CLOUDLIBC_SRC = $(LIBC_BOTTOM_HALF_DIR)/cloudlibc/src | |
44 | LIBC_BOTTOM_HALF_CLOUDLIBC_SRC_INC = $(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC)/include | |
45 | LIBC_BOTTOM_HALF_HEADERS_PUBLIC = $(LIBC_BOTTOM_HALF_DIR)/headers/public | |
46 | LIBC_BOTTOM_HALF_HEADERS_PRIVATE = $(LIBC_BOTTOM_HALF_DIR)/headers/private | |
47 | LIBC_BOTTOM_HALF_LIBPREOPEN_DIR = $(LIBC_BOTTOM_HALF_DIR)/libpreopen | |
48 | LIBC_BOTTOM_HALF_LIBPREOPEN_LIB = $(LIBC_BOTTOM_HALF_LIBPREOPEN_DIR)/lib | |
49 | LIBC_BOTTOM_HALF_LIBPREOPEN_INC = $(LIBC_BOTTOM_HALF_LIBPREOPEN_DIR)/include | |
50 | LIBC_BOTTOM_HALF_SOURCES = $(LIBC_BOTTOM_HALF_DIR)/sources | |
51 | LIBC_BOTTOM_HALF_ALL_SOURCES = \ | |
52 | $(shell find $(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) -name \*.c) \ | |
53 | $(LIBC_BOTTOM_HALF_LIBPREOPEN_LIB)/po_libc_wrappers.c \ | |
54 | $(shell find $(LIBC_BOTTOM_HALF_SOURCES) -name \*.c) | |
55 | LIBWASI_EMULATED_MMAN_SOURCES = \ | |
56 | $(shell find $(LIBC_BOTTOM_HALF_DIR)/mman -name \*.c) | |
57 | LIBC_BOTTOM_HALF_CRT_SOURCES = $(wildcard $(LIBC_BOTTOM_HALF_DIR)/crt/*.c) | |
58 | LIBC_TOP_HALF_DIR = $(CURDIR)/libc-top-half | |
59 | LIBC_TOP_HALF_MUSL_DIR = $(LIBC_TOP_HALF_DIR)/musl | |
60 | LIBC_TOP_HALF_MUSL_SRC_DIR = $(LIBC_TOP_HALF_MUSL_DIR)/src | |
61 | LIBC_TOP_HALF_MUSL_INC = $(LIBC_TOP_HALF_MUSL_DIR)/include | |
62 | LIBC_TOP_HALF_MUSL_SOURCES = \ | |
63 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/a64l.c \ | |
64 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/basename.c \ | |
65 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/dirname.c \ | |
66 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/ffs.c \ | |
67 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/ffsl.c \ | |
68 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/ffsll.c \ | |
69 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/fmtmsg.c \ | |
70 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getdomainname.c \ | |
71 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/gethostid.c \ | |
72 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getopt.c \ | |
73 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getopt_long.c \ | |
74 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getsubopt.c \ | |
75 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/uname.c \ | |
76 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/nftw.c \ | |
77 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/errno/strerror.c \ | |
78 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/htonl.c \ | |
79 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/htons.c \ | |
80 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/ntohl.c \ | |
81 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/ntohs.c \ | |
1db93d11 DG |
82 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/inet_ntop.c \ |
83 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/inet_pton.c \ | |
84 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/inet_aton.c \ | |
5067fefb DG |
85 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/in6addr_any.c \ |
86 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/in6addr_loopback.c \ | |
320054e8 DG |
87 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fenv.c \ |
88 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fesetround.c \ | |
5067fefb DG |
89 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/feupdateenv.c \ |
90 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fesetexceptflag.c \ | |
91 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fegetexceptflag.c \ | |
92 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/feholdexcept.c \ | |
320054e8 DG |
93 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/exit.c \ |
94 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/atexit.c \ | |
95 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/assert.c \ | |
96 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/quick_exit.c \ | |
97 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/at_quick_exit.c \ | |
98 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/strftime.c \ | |
5ce487a7 | 99 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/asctime.c \ |
320054e8 | 100 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/asctime_r.c \ |
5067fefb | 101 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/ctime.c \ |
320054e8 DG |
102 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/ctime_r.c \ |
103 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/wcsftime.c \ | |
104 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/strptime.c \ | |
105 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/difftime.c \ | |
106 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/timegm.c \ | |
107 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/ftime.c \ | |
108 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/gmtime.c \ | |
109 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/gmtime_r.c \ | |
110 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/timespec_get.c \ | |
111 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/getdate.c \ | |
03a1adbf | 112 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/localtime.c \ |
320054e8 DG |
113 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/localtime_r.c \ |
114 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/mktime.c \ | |
115 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__tm_to_secs.c \ | |
116 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__month_to_secs.c \ | |
117 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__secs_to_tm.c \ | |
118 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__year_to_secs.c \ | |
119 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__tz.c \ | |
120 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fcntl/creat.c \ | |
121 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/dirent/alphasort.c \ | |
122 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/dirent/versionsort.c \ | |
123 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/__environ.c \ | |
124 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/clearenv.c \ | |
125 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/getenv.c \ | |
126 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/putenv.c \ | |
127 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/setenv.c \ | |
128 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/unsetenv.c \ | |
129 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/unistd/posix_close.c \ | |
130 | $(filter-out %/procfdname.c %/syscall.c %/syscall_ret.c %/vdso.c %/version.c, \ | |
131 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal/*.c)) \ | |
132 | $(filter-out %/flockfile.c %/funlockfile.c %/__lockfile.c %/ftrylockfile.c \ | |
133 | %/rename.c \ | |
134 | %/tmpnam.c %/tmpfile.c %/tempnam.c \ | |
135 | %/popen.c %/pclose.c \ | |
136 | %/remove.c \ | |
137 | %/gets.c, \ | |
138 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/*.c)) \ | |
139 | $(filter-out %/strsignal.c, \ | |
140 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/string/*.c)) \ | |
141 | $(filter-out %/dcngettext.c %/textdomain.c, \ | |
142 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/locale/*.c)) \ | |
143 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/*.c) \ | |
144 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/search/*.c) \ | |
145 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/multibyte/*.c) \ | |
146 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/regex/*.c) \ | |
320054e8 DG |
147 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/prng/*.c) \ |
148 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/conf/*.c) \ | |
149 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/ctype/*.c) \ | |
900b8032 | 150 | $(filter-out %/__signbit.c %/__signbitf.c %/__signbitl.c \ |
16450763 DG |
151 | %/__fpclassify.c %/__fpclassifyf.c %/__fpclassifyl.c \ |
152 | %/ceilf.c %/ceil.c \ | |
153 | %/floorf.c %/floor.c \ | |
154 | %/truncf.c %/trunc.c \ | |
155 | %/rintf.c %/rint.c \ | |
156 | %/nearbyintf.c %/nearbyint.c \ | |
157 | %/sqrtf.c %/sqrt.c \ | |
158 | %/fabsf.c %/fabs.c \ | |
159 | %/copysignf.c %/copysign.c, \ | |
900b8032 | 160 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/math/*.c)) \ |
7d5074ff DG |
161 | $(filter-out %/crealf.c %/creal.c \ |
162 | %/cimagf.c %/cimag.c, \ | |
163 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/complex/*.c)) \ | |
320054e8 DG |
164 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/crypt/*.c) |
165 | MUSL_PRINTSCAN_SOURCES = \ | |
166 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal/floatscan.c \ | |
167 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfprintf.c \ | |
2201343c | 168 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfwprintf.c \ |
320054e8 DG |
169 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfscanf.c \ |
170 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/strtod.c \ | |
171 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/wcstod.c | |
172 | LIBC_TOP_HALF_HEADERS_PRIVATE = $(LIBC_TOP_HALF_DIR)/headers/private | |
173 | LIBC_TOP_HALF_SOURCES = $(LIBC_TOP_HALF_DIR)/sources | |
174 | LIBC_TOP_HALF_ALL_SOURCES = \ | |
175 | $(LIBC_TOP_HALF_MUSL_SOURCES) \ | |
176 | $(shell find $(LIBC_TOP_HALF_SOURCES) -name \*.c) | |
177 | ||
9f103c28 DG |
178 | # Set the target variables. Multiarch triples notably omit the vendor |
179 | # field, which happens to be what we do for the main target triple too. | |
180 | TARGET_TRIPLE = wasm32-wasi | |
320054e8 DG |
181 | MULTIARCH_TRIPLE = wasm32-wasi |
182 | ||
183 | # These variables describe the locations of various files and | |
184 | # directories in the generated sysroot tree. | |
185 | SYSROOT_LIB = $(SYSROOT)/lib/$(MULTIARCH_TRIPLE) | |
186 | SYSROOT_INC = $(SYSROOT)/include | |
187 | SYSROOT_SHARE = $(SYSROOT)/share/$(MULTIARCH_TRIPLE) | |
188 | ||
189 | # Set the target. | |
190 | override WASM_CFLAGS += --target=$(TARGET_TRIPLE) | |
191 | # We're compiling libc. | |
192 | override WASM_CFLAGS += -fno-builtin | |
193 | # WebAssembly floating-point match doesn't trap. | |
194 | # TODO: Add -fno-signaling-nans when the compiler supports it. | |
195 | override WASM_CFLAGS += -fno-trapping-math | |
dbfccac2 DG |
196 | |
197 | # Configure support for threads. | |
320054e8 DG |
198 | ifeq ($(THREAD_MODEL), single) |
199 | override WASM_CFLAGS += -mthread-model single | |
dbfccac2 | 200 | endif |
320054e8 DG |
201 | ifeq ($(THREAD_MODEL), posix) |
202 | override WASM_CFLAGS += -mthread-model posix -pthread | |
203 | endif | |
204 | ||
205 | # Set the sysroot. | |
206 | override WASM_CFLAGS += --sysroot="$(SYSROOT)" | |
207 | ||
208 | objs = $(patsubst $(CURDIR)/%.c,$(OBJDIR)/%.o,$(1)) | |
ad03c82d | 209 | override BASICS_OBJS = $(call objs,$(BASICS_SOURCES)) |
320054e8 DG |
210 | override DLMALLOC_OBJS = $(call objs,$(DLMALLOC_SOURCES)) |
211 | override LIBC_BOTTOM_HALF_ALL_OBJS = $(call objs,$(LIBC_BOTTOM_HALF_ALL_SOURCES)) | |
212 | override LIBC_TOP_HALF_ALL_OBJS = $(call objs,$(LIBC_TOP_HALF_ALL_SOURCES)) | |
ad03c82d | 213 | override LIBC_OBJS := $(BASICS_OBJS) |
320054e8 DG |
214 | ifeq ($(BUILD_DLMALLOC),yes) |
215 | override LIBC_OBJS += $(DLMALLOC_OBJS) | |
dbfccac2 | 216 | endif |
320054e8 DG |
217 | ifeq ($(BUILD_LIBC_BOTTOM_HALF),yes) |
218 | # Override basics' string.o with libc-bottom-half's. | |
219 | override LIBC_OBJS := $(filter-out %/string.o,$(LIBC_OBJS)) | |
220 | # Add libc-bottom-half's objects. | |
221 | override LIBC_OBJS += $(LIBC_BOTTOM_HALF_ALL_OBJS) | |
222 | endif | |
223 | ifeq ($(BUILD_LIBC_TOP_HALF),yes) | |
224 | # Override libc-bottom-half's string.o with libc-top-half's. | |
225 | override LIBC_OBJS := $(filter-out %/string.o,$(LIBC_OBJS)) | |
226 | # Override libc-bottom-half's qsort.o with libc-top-half's. | |
227 | override LIBC_OBJS := $(filter-out %/qsort.o,$(LIBC_OBJS)) | |
228 | # libc-top-half is musl. | |
229 | override LIBC_OBJS += $(LIBC_TOP_HALF_ALL_OBJS) | |
230 | endif | |
231 | override MUSL_PRINTSCAN_OBJS = $(call objs,$(MUSL_PRINTSCAN_SOURCES)) | |
232 | override MUSL_PRINTSCAN_LONG_DOUBLE_OBJS = $(patsubst %.o,%.long-double.o,$(MUSL_PRINTSCAN_OBJS)) | |
233 | override MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS = $(patsubst %.o,%.no-floating-point.o,$(MUSL_PRINTSCAN_OBJS)) | |
234 | override LIBWASI_EMULATED_MMAN_OBJS = $(call objs,$(LIBWASI_EMULATED_MMAN_SOURCES)) | |
235 | ||
236 | default: check | |
237 | ||
238 | $(SYSROOT_LIB)/libc.a: $(LIBC_OBJS) | |
239 | ||
240 | $(SYSROOT_LIB)/libc-printscan-long-double.a: $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) | |
241 | ||
242 | $(SYSROOT_LIB)/libc-printscan-no-floating-point.a: $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS) | |
243 | ||
244 | $(SYSROOT_LIB)/libwasi-emulated-mman.a: $(LIBWASI_EMULATED_MMAN_OBJS) | |
245 | ||
246 | %.a: | |
247 | @mkdir -p "$(@D)" | |
255e6f7c TS |
248 | # On Windows, the commandline for the ar invocation got too long, so it needs to be split up. |
249 | $(WASM_AR) crs $@ $(wordlist 1, 199, $^) | |
250 | $(WASM_AR) crs $@ $(wordlist 200, 399, $^) | |
251 | $(WASM_AR) crs $@ $(wordlist 400, 599, $^) | |
252 | $(WASM_AR) crs $@ $(wordlist 600, 799, $^) | |
253 | # This might eventually overflow again, but at least it'll do so in a loud way instead of | |
254 | # silently dropping the tail. | |
255 | $(WASM_AR) crs $@ $(wordlist 800, 100000, $^) | |
320054e8 DG |
256 | |
257 | $(MUSL_PRINTSCAN_OBJS): override WASM_CFLAGS += \ | |
258 | -D__wasilibc_printscan_no_long_double \ | |
259 | -D__wasilibc_printscan_full_support_option="\"add -lc-printscan-long-double to the link command\"" | |
260 | ||
261 | $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS): override WASM_CFLAGS += \ | |
262 | -D__wasilibc_printscan_no_floating_point \ | |
263 | -D__wasilibc_printscan_floating_point_support_option="\"remove -lc-printscan-no-floating-point from the link command\"" | |
264 | ||
8e8cc34a | 265 | $(OBJDIR)/%.long-double.o: $(CURDIR)/%.c include_dirs |
320054e8 DG |
266 | @mkdir -p "$(@D)" |
267 | "$(WASM_CC)" $(WASM_CFLAGS) -MD -MP -o $@ -c $< | |
dcf13b6f | 268 | |
8e8cc34a | 269 | $(OBJDIR)/%.no-floating-point.o: $(CURDIR)/%.c include_dirs |
320054e8 DG |
270 | @mkdir -p "$(@D)" |
271 | "$(WASM_CC)" $(WASM_CFLAGS) -MD -MP -o $@ -c $< | |
272 | ||
8e8cc34a | 273 | $(OBJDIR)/%.o: $(CURDIR)/%.c include_dirs |
320054e8 DG |
274 | @mkdir -p "$(@D)" |
275 | "$(WASM_CC)" $(WASM_CFLAGS) -MD -MP -o $@ -c $< | |
276 | ||
255e6f7c | 277 | -include $(shell find $(OBJDIR) -name \*.d) |
320054e8 DG |
278 | |
279 | $(DLMALLOC_OBJS): override WASM_CFLAGS += \ | |
280 | -I$(DLMALLOC_INC) | |
281 | ||
282 | $(LIBC_BOTTOM_HALF_ALL_OBJS): override WASM_CFLAGS += \ | |
283 | -I$(LIBC_BOTTOM_HALF_HEADERS_PRIVATE) \ | |
284 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC_INC) \ | |
285 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) \ | |
286 | -I$(LIBC_BOTTOM_HALF_LIBPREOPEN_LIB) \ | |
287 | -I$(LIBC_BOTTOM_HALF_LIBPREOPEN_INC) | |
288 | ||
289 | $(LIBC_TOP_HALF_ALL_OBJS) $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS): override WASM_CFLAGS += \ | |
290 | -I$(LIBC_TOP_HALF_MUSL_SRC_DIR)/include \ | |
291 | -I$(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal \ | |
292 | -I$(LIBC_TOP_HALF_MUSL_DIR)/arch/wasm32 \ | |
293 | -I$(LIBC_TOP_HALF_MUSL_DIR)/arch/generic \ | |
294 | -I$(LIBC_TOP_HALF_HEADERS_PRIVATE) \ | |
295 | -Wno-parentheses \ | |
296 | -Wno-shift-op-parentheses \ | |
297 | -Wno-bitwise-op-parentheses \ | |
298 | -Wno-logical-op-parentheses \ | |
299 | -Wno-string-plus-int \ | |
300 | -Wno-dangling-else \ | |
301 | -Wno-unknown-pragmas | |
302 | ||
8e8cc34a | 303 | include_dirs: |
dcf13b6f | 304 | $(RM) -r "$(SYSROOT)" |
dcf13b6f DG |
305 | |
306 | # | |
307 | # Install the include files. | |
308 | # | |
320054e8 DG |
309 | mkdir -p "$(SYSROOT_INC)" |
310 | cp -r "$(BASICS_INC)" "$(SYSROOT)" | |
311 | cp -r "$(LIBC_BOTTOM_HALF_HEADERS_PUBLIC)"/* "$(SYSROOT_INC)" | |
312 | ||
313 | # Generate musl's bits/alltypes.h header. | |
314 | mkdir -p "$(SYSROOT_INC)/bits" | |
315 | sed -f $(LIBC_TOP_HALF_MUSL_DIR)/tools/mkalltypes.sed \ | |
316 | $(LIBC_TOP_HALF_MUSL_DIR)/arch/wasm32/bits/alltypes.h.in \ | |
317 | $(LIBC_TOP_HALF_MUSL_DIR)/include/alltypes.h.in \ | |
318 | > "$(SYSROOT_INC)/bits/alltypes.h" | |
319 | ||
320 | # Copy in the bulk of musl's public header files. | |
321 | cp -r "$(LIBC_TOP_HALF_MUSL_INC)"/* "$(SYSROOT_INC)" | |
322 | # Copy in the musl's "bits" header files. | |
323 | cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/generic/bits/* "$(SYSROOT_INC)/bits" | |
324 | cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/wasm32/bits/* "$(SYSROOT_INC)/bits" | |
325 | ||
326 | # Remove files that aren't headers or that aren't supported yet or that aren't relevant for wasm. | |
327 | $(RM) "$(SYSROOT_INC)/bits/syscall.h.in" \ | |
328 | "$(SYSROOT_INC)/bits/alltypes.h.in" \ | |
329 | "$(SYSROOT_INC)/alltypes.h.in" \ | |
330 | "$(SYSROOT_INC)/sys/procfs.h" \ | |
331 | "$(SYSROOT_INC)/sys/user.h" \ | |
332 | "$(SYSROOT_INC)/sys/kd.h" \ | |
333 | "$(SYSROOT_INC)/bits/kd.h" \ | |
334 | "$(SYSROOT_INC)/sys/vt.h" \ | |
335 | "$(SYSROOT_INC)/bits/vt.h" \ | |
336 | "$(SYSROOT_INC)/sys/soundcard.h" \ | |
337 | "$(SYSROOT_INC)/bits/soundcard.h" \ | |
338 | "$(SYSROOT_INC)/sys/sem.h" \ | |
339 | "$(SYSROOT_INC)/bits/sem.h" \ | |
340 | "$(SYSROOT_INC)/sys/statfs.h" \ | |
341 | "$(SYSROOT_INC)/sys/vfs.h" \ | |
342 | "$(SYSROOT_INC)/bits/statfs.h" \ | |
343 | "$(SYSROOT_INC)/sys/statvfs.h" \ | |
344 | "$(SYSROOT_INC)/sys/shm.h" \ | |
345 | "$(SYSROOT_INC)/bits/shm.h" \ | |
346 | "$(SYSROOT_INC)/sys/msg.h" \ | |
347 | "$(SYSROOT_INC)/bits/msg.h" \ | |
348 | "$(SYSROOT_INC)/sys/ipc.h" \ | |
349 | "$(SYSROOT_INC)/bits/ipc.h" \ | |
350 | "$(SYSROOT_INC)/syslog.h" \ | |
351 | "$(SYSROOT_INC)/sys/syslog.h" \ | |
352 | "$(SYSROOT_INC)/paths.h" \ | |
353 | "$(SYSROOT_INC)/utmp.h" \ | |
354 | "$(SYSROOT_INC)/utmpx.h" \ | |
355 | "$(SYSROOT_INC)/lastlog.h" \ | |
356 | "$(SYSROOT_INC)/sys/acct.h" \ | |
357 | "$(SYSROOT_INC)/sys/cachectl.h" \ | |
358 | "$(SYSROOT_INC)/sys/epoll.h" \ | |
359 | "$(SYSROOT_INC)/sys/ptrace.h" \ | |
360 | "$(SYSROOT_INC)/bits/ptrace.h" \ | |
361 | "$(SYSROOT_INC)/sys/reboot.h" \ | |
362 | "$(SYSROOT_INC)/sys/swap.h" \ | |
363 | "$(SYSROOT_INC)/sys/sendfile.h" \ | |
364 | "$(SYSROOT_INC)/sys/quota.h" \ | |
365 | "$(SYSROOT_INC)/sys/inotify.h" \ | |
366 | "$(SYSROOT_INC)/sys/klog.h" \ | |
367 | "$(SYSROOT_INC)/sys/fsuid.h" \ | |
368 | "$(SYSROOT_INC)/sys/io.h" \ | |
369 | "$(SYSROOT_INC)/sys/prctl.h" \ | |
370 | "$(SYSROOT_INC)/sys/mtio.h" \ | |
371 | "$(SYSROOT_INC)/sys/mount.h" \ | |
372 | "$(SYSROOT_INC)/sys/fanotify.h" \ | |
373 | "$(SYSROOT_INC)/sys/personality.h" \ | |
374 | "$(SYSROOT_INC)/sys/wait.h" \ | |
375 | "$(SYSROOT_INC)/wait.h" \ | |
376 | "$(SYSROOT_INC)/bits/errno.h" \ | |
377 | "$(SYSROOT_INC)/bits/link.h" \ | |
378 | "$(SYSROOT_INC)/link.h" \ | |
379 | "$(SYSROOT_INC)/elf.h" \ | |
380 | "$(SYSROOT_INC)/scsi/scsi.h" \ | |
381 | "$(SYSROOT_INC)/scsi/scsi_ioctl.h" \ | |
382 | "$(SYSROOT_INC)/scsi/sg.h" \ | |
383 | "$(SYSROOT_INC)/sys/auxv.h" \ | |
384 | "$(SYSROOT_INC)/setjmp.h" \ | |
385 | "$(SYSROOT_INC)/pwd.h" \ | |
386 | "$(SYSROOT_INC)/shadow.h" \ | |
387 | "$(SYSROOT_INC)/grp.h" \ | |
388 | "$(SYSROOT_INC)/mntent.h" \ | |
389 | "$(SYSROOT_INC)/netdb.h" \ | |
390 | "$(SYSROOT_INC)/resolv.h" \ | |
391 | "$(SYSROOT_INC)/pty.h" \ | |
392 | "$(SYSROOT_INC)/dlfcn.h" \ | |
393 | "$(SYSROOT_INC)/ulimit.h" \ | |
84a2343c | 394 | "$(SYSROOT_INC)/sys/xattr.h" \ |
320054e8 | 395 | "$(SYSROOT_INC)/wordexp.h" \ |
079d7bda DG |
396 | "$(SYSROOT_INC)/spawn.h" \ |
397 | "$(SYSROOT_INC)/ucontext.h" \ | |
f41256b6 | 398 | "$(SYSROOT_INC)/sys/ucontext.h" \ |
29d45024 | 399 | "$(SYSROOT_INC)/sys/membarrier.h" \ |
5067fefb DG |
400 | "$(SYSROOT_INC)/sys/signalfd.h" \ |
401 | "$(SYSROOT_INC)/termios.h" \ | |
402 | "$(SYSROOT_INC)/sys/termios.h" \ | |
403 | "$(SYSROOT_INC)/bits/termios.h" \ | |
404 | "$(SYSROOT_INC)/net/if.h" \ | |
405 | "$(SYSROOT_INC)/net/if_arp.h" \ | |
406 | "$(SYSROOT_INC)/net/ethernet.h" \ | |
407 | "$(SYSROOT_INC)/net/route.h" \ | |
408 | "$(SYSROOT_INC)/netinet/if_ether.h" \ | |
409 | "$(SYSROOT_INC)/netinet/ether.h" \ | |
410 | "$(SYSROOT_INC)/sys/timerfd.h" | |
9f0d8e85 DG |
411 | ifeq ($(THREAD_MODEL), single) |
412 | $(RM) "$(SYSROOT_INC)/aio.h" \ | |
413 | "$(SYSROOT_INC)/pthread.h" | |
414 | endif | |
320054e8 DG |
415 | |
416 | ifeq ($(BUILD_LIBC_BOTTOM_HALF),no) | |
417 | override CRT_SOURCES = $(BASICS_CRT_SOURCES) | |
418 | else | |
419 | override CRT_SOURCES = $(LIBC_BOTTOM_HALF_CRT_SOURCES) | |
420 | endif | |
dcf13b6f | 421 | |
8e8cc34a | 422 | startup_files: include_dirs |
dcf13b6f | 423 | # |
320054e8 | 424 | # Build the startup files. |
dcf13b6f | 425 | # |
320054e8 DG |
426 | @mkdir -p "$(OBJDIR)" |
427 | cd "$(OBJDIR)" && \ | |
428 | "$(WASM_CC)" $(WASM_CFLAGS) -c $(CRT_SOURCES) -MD -MP && \ | |
429 | mkdir -p "$(SYSROOT_LIB)" && \ | |
430 | mv *.o "$(SYSROOT_LIB)" | |
dcf13b6f | 431 | |
8e8cc34a | 432 | libc: include_dirs \ |
320054e8 DG |
433 | $(SYSROOT_LIB)/libc.a \ |
434 | $(SYSROOT_LIB)/libc-printscan-long-double.a \ | |
435 | $(SYSROOT_LIB)/libc-printscan-no-floating-point.a \ | |
436 | $(SYSROOT_LIB)/libwasi-emulated-mman.a | |
437 | ||
8e8cc34a | 438 | finish: startup_files libc |
dcf13b6f | 439 | # |
320054e8 | 440 | # Create empty placeholder libraries. |
dcf13b6f | 441 | # |
1f7d798a | 442 | for name in m rt pthread crypt util xnet resolv dl; do \ |
320054e8 DG |
443 | $(WASM_AR) crs "$(SYSROOT_LIB)/lib$${name}.a"; \ |
444 | done | |
dbfccac2 DG |
445 | |
446 | # | |
320054e8 | 447 | # Collect metadata on the sysroot and perform sanity checks. |
dbfccac2 | 448 | # |
320054e8 DG |
449 | mkdir -p "$(SYSROOT_SHARE)" |
450 | ||
451 | # Collect symbol information. | |
452 | # TODO: Use llvm-nm --extern-only instead of grep. This is blocked on | |
453 | # LLVM PR40497, which is fixed in 9.0, but not in 8.0. | |
255e6f7c | 454 | "$(WASM_NM)" --defined-only "$(SYSROOT_LIB)"/libc.a "$(SYSROOT_LIB)"/*.o \ |
fad009dc | 455 | |grep ' [[:upper:]] ' |sed 's/.* [[:upper:]] //' |LC_ALL=C sort > "$(SYSROOT_SHARE)/defined-symbols.txt" |
255e6f7c | 456 | for undef_sym in $$("$(WASM_NM)" --undefined-only "$(SYSROOT_LIB)"/*.a "$(SYSROOT_LIB)"/*.o \ |
fad009dc | 457 | |grep ' U ' |sed 's/.* U //' |LC_ALL=C sort |uniq); do \ |
320054e8 DG |
458 | grep -q '\<'$$undef_sym'\>' "$(SYSROOT_SHARE)/defined-symbols.txt" || echo $$undef_sym; \ |
459 | done > "$(SYSROOT_SHARE)/undefined-symbols.txt" | |
460 | grep '^_*wasi_' "$(SYSROOT_SHARE)/undefined-symbols.txt" \ | |
461 | > "$(SYSROOT_LIB)/libc.imports" | |
462 | ||
463 | # Generate a test file that includes all public header files. | |
464 | cd "$(SYSROOT)" && \ | |
465 | for header in $$(find include -type f -not -name mman.h |grep -v /bits/); do \ | |
466 | echo '#include <'$$header'>' | sed 's/include\///' ; \ | |
fad009dc | 467 | done |LC_ALL=C sort >share/$(MULTIARCH_TRIPLE)/include-all.c ; \ |
320054e8 DG |
468 | cd - >/dev/null |
469 | ||
470 | # Test that it compiles. | |
471 | "$(WASM_CC)" $(WASM_CFLAGS) -fsyntax-only "$(SYSROOT_SHARE)/include-all.c" -Wno-\#warnings | |
472 | ||
473 | # Collect all the predefined macros, except for compiler version macros | |
474 | # which we don't need to track here. For the __*_ATOMIC_*_LOCK_FREE | |
475 | # macros, squash individual compiler names to attempt, toward keeping | |
476 | # these files compiler-independent. | |
8df0d4cd SC |
477 | # |
478 | # We have to add `-isystem $(SYSROOT_INC)` because otherwise clang puts | |
479 | # its builtin include path first, which produces compiler-specific | |
480 | # output. | |
481 | # | |
320054e8 | 482 | # TODO: Undefine __FLOAT128__ for now since it's not in clang 8.0. |
f74124a6 | 483 | # TODO: Filter out __FLT16_* for now, as not all versions of clang have these. |
320054e8 | 484 | "$(WASM_CC)" $(WASM_CFLAGS) "$(SYSROOT_SHARE)/include-all.c" \ |
8df0d4cd | 485 | -isystem $(SYSROOT_INC) \ |
320054e8 | 486 | -E -dM -Wno-\#warnings \ |
9f0d8e85 | 487 | -D_ALL_SOURCE \ |
320054e8 DG |
488 | -U__llvm__ \ |
489 | -U__clang__ \ | |
490 | -U__clang_major__ \ | |
491 | -U__clang_minor__ \ | |
492 | -U__clang_patchlevel__ \ | |
493 | -U__clang_version__ \ | |
494 | -U__GNUC__ \ | |
495 | -U__GNUC_MINOR__ \ | |
496 | -U__GNUC_PATCHLEVEL__ \ | |
497 | -U__VERSION__ \ | |
498 | -U__FLOAT128__ \ | |
499 | | sed -e 's/__[[:upper:][:digit:]]*_ATOMIC_\([[:upper:][:digit:]_]*\)_LOCK_FREE/__compiler_ATOMIC_\1_LOCK_FREE/' \ | |
f74124a6 | 500 | | grep -v '^#define __FLT16_' \ |
320054e8 DG |
501 | > "$(SYSROOT_SHARE)/predefined-macros.txt" |
502 | ||
503 | # | |
504 | # The build succeeded! The generated sysroot is in $(SYSROOT). | |
505 | # | |
506 | ||
8e8cc34a | 507 | check: finish |
320054e8 | 508 | # Check that the computed metadata matches the expected metadata. |
255e6f7c TS |
509 | # This ignores whitespace because on Windows the output has CRLF line endings. |
510 | diff -wur "$(CURDIR)/expected/$(MULTIARCH_TRIPLE)" "$(SYSROOT_SHARE)" | |
320054e8 | 511 | |
8e8cc34a | 512 | install: finish |
320054e8 DG |
513 | mkdir -p "$(INSTALL_DIR)" |
514 | cp -r "$(SYSROOT)/lib" "$(SYSROOT)/share" "$(SYSROOT)/include" "$(INSTALL_DIR)" | |
515 | ||
8e8cc34a | 516 | .PHONY: default startup_files libc finish check install include_dirs |