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