projects / wasi-libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 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)) | |
| 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 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 | |
| 320054e8 DG |
48 | LIBC_BOTTOM_HALF_SOURCES = $(LIBC_BOTTOM_HALF_DIR)/sources |
| 49 | LIBC_BOTTOM_HALF_ALL_SOURCES = \ | |
| 50 | $(shell find $(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) -name \*.c) \ | |
| 7fcc4f29 | 51 | $(LIBC_BOTTOM_HALF_LIBPREOPEN_DIR)/libpreopen.c \ |
| 320054e8 DG |
52 | $(shell find $(LIBC_BOTTOM_HALF_SOURCES) -name \*.c) |
| 53 | LIBWASI_EMULATED_MMAN_SOURCES = \ | |
| 54 | $(shell find $(LIBC_BOTTOM_HALF_DIR)/mman -name \*.c) | |
| 55 | LIBC_BOTTOM_HALF_CRT_SOURCES = $(wildcard $(LIBC_BOTTOM_HALF_DIR)/crt/*.c) | |
| 56 | LIBC_TOP_HALF_DIR = $(CURDIR)/libc-top-half | |
| 57 | LIBC_TOP_HALF_MUSL_DIR = $(LIBC_TOP_HALF_DIR)/musl | |
| 58 | LIBC_TOP_HALF_MUSL_SRC_DIR = $(LIBC_TOP_HALF_MUSL_DIR)/src | |
| 59 | LIBC_TOP_HALF_MUSL_INC = $(LIBC_TOP_HALF_MUSL_DIR)/include | |
| 60 | LIBC_TOP_HALF_MUSL_SOURCES = \ | |
| 61 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/a64l.c \ | |
| 62 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/basename.c \ | |
| 63 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/dirname.c \ | |
| 64 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/ffs.c \ | |
| 65 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/ffsl.c \ | |
| 66 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/ffsll.c \ | |
| 67 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/fmtmsg.c \ | |
| 68 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getdomainname.c \ | |
| 69 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/gethostid.c \ | |
| 70 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getopt.c \ | |
| 71 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getopt_long.c \ | |
| 72 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/getsubopt.c \ | |
| 73 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/uname.c \ | |
| 74 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/misc/nftw.c \ | |
| 75 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/errno/strerror.c \ | |
| 76 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/htonl.c \ | |
| 77 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/htons.c \ | |
| 78 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/ntohl.c \ | |
| 79 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/ntohs.c \ | |
| 1db93d11 DG |
80 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/inet_ntop.c \ |
| 81 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/inet_pton.c \ | |
| 82 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/inet_aton.c \ | |
| 5067fefb DG |
83 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/in6addr_any.c \ |
| 84 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/network/in6addr_loopback.c \ | |
| 320054e8 DG |
85 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fenv.c \ |
| 86 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fesetround.c \ | |
| 5067fefb DG |
87 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/feupdateenv.c \ |
| 88 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fesetexceptflag.c \ | |
| 89 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/fegetexceptflag.c \ | |
| 90 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fenv/feholdexcept.c \ | |
| 320054e8 DG |
91 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/exit.c \ |
| 92 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/atexit.c \ | |
| 93 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/assert.c \ | |
| 94 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/quick_exit.c \ | |
| 95 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/exit/at_quick_exit.c \ | |
| 96 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/strftime.c \ | |
| 5ce487a7 | 97 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/asctime.c \ |
| 320054e8 | 98 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/asctime_r.c \ |
| 5067fefb | 99 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/ctime.c \ |
| 320054e8 DG |
100 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/ctime_r.c \ |
| 101 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/wcsftime.c \ | |
| 102 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/strptime.c \ | |
| 103 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/difftime.c \ | |
| 104 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/timegm.c \ | |
| 105 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/ftime.c \ | |
| 106 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/gmtime.c \ | |
| 107 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/gmtime_r.c \ | |
| 108 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/timespec_get.c \ | |
| 109 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/getdate.c \ | |
| 03a1adbf | 110 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/localtime.c \ |
| 320054e8 DG |
111 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/localtime_r.c \ |
| 112 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/mktime.c \ | |
| 113 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__tm_to_secs.c \ | |
| 114 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__month_to_secs.c \ | |
| 115 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__secs_to_tm.c \ | |
| 116 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__year_to_secs.c \ | |
| 117 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/time/__tz.c \ | |
| 118 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/fcntl/creat.c \ | |
| 119 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/dirent/alphasort.c \ | |
| 120 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/dirent/versionsort.c \ | |
| 320054e8 DG |
121 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/clearenv.c \ |
| 122 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/getenv.c \ | |
| 123 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/putenv.c \ | |
| 124 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/setenv.c \ | |
| 125 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/env/unsetenv.c \ | |
| 126 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/unistd/posix_close.c \ | |
| 127 | $(filter-out %/procfdname.c %/syscall.c %/syscall_ret.c %/vdso.c %/version.c, \ | |
| 128 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal/*.c)) \ | |
| 129 | $(filter-out %/flockfile.c %/funlockfile.c %/__lockfile.c %/ftrylockfile.c \ | |
| 130 | %/rename.c \ | |
| 131 | %/tmpnam.c %/tmpfile.c %/tempnam.c \ | |
| 132 | %/popen.c %/pclose.c \ | |
| 133 | %/remove.c \ | |
| 134 | %/gets.c, \ | |
| 135 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/*.c)) \ | |
| 136 | $(filter-out %/strsignal.c, \ | |
| 137 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/string/*.c)) \ | |
| 8048aeb5 | 138 | $(filter-out %/dcngettext.c %/textdomain.c %/bind_textdomain_codeset.c, \ |
| 320054e8 DG |
139 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/locale/*.c)) \ |
| 140 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/*.c) \ | |
| 141 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/search/*.c) \ | |
| 142 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/multibyte/*.c) \ | |
| 143 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/regex/*.c) \ | |
| 320054e8 DG |
144 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/prng/*.c) \ |
| 145 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/conf/*.c) \ | |
| 146 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/ctype/*.c) \ | |
| 900b8032 | 147 | $(filter-out %/__signbit.c %/__signbitf.c %/__signbitl.c \ |
| 16450763 DG |
148 | %/__fpclassify.c %/__fpclassifyf.c %/__fpclassifyl.c \ |
| 149 | %/ceilf.c %/ceil.c \ | |
| 150 | %/floorf.c %/floor.c \ | |
| 151 | %/truncf.c %/trunc.c \ | |
| 152 | %/rintf.c %/rint.c \ | |
| 153 | %/nearbyintf.c %/nearbyint.c \ | |
| 154 | %/sqrtf.c %/sqrt.c \ | |
| 155 | %/fabsf.c %/fabs.c \ | |
| cf81683e DG |
156 | %/copysignf.c %/copysign.c \ |
| 157 | %/fminf.c %/fmaxf.c \ | |
| 158 | %/fmin.c %/fmax.c, \ | |
| 900b8032 | 159 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/math/*.c)) \ |
| 7d5074ff DG |
160 | $(filter-out %/crealf.c %/creal.c \ |
| 161 | %/cimagf.c %/cimag.c, \ | |
| 162 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/complex/*.c)) \ | |
| 320054e8 DG |
163 | $(wildcard $(LIBC_TOP_HALF_MUSL_SRC_DIR)/crypt/*.c) |
| 164 | MUSL_PRINTSCAN_SOURCES = \ | |
| 165 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal/floatscan.c \ | |
| 166 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfprintf.c \ | |
| 2201343c | 167 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfwprintf.c \ |
| 320054e8 DG |
168 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdio/vfscanf.c \ |
| 169 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/strtod.c \ | |
| 170 | $(LIBC_TOP_HALF_MUSL_SRC_DIR)/stdlib/wcstod.c | |
| 171 | LIBC_TOP_HALF_HEADERS_PRIVATE = $(LIBC_TOP_HALF_DIR)/headers/private | |
| 172 | LIBC_TOP_HALF_SOURCES = $(LIBC_TOP_HALF_DIR)/sources | |
| 173 | LIBC_TOP_HALF_ALL_SOURCES = \ | |
| 174 | $(LIBC_TOP_HALF_MUSL_SOURCES) \ | |
| 175 | $(shell find $(LIBC_TOP_HALF_SOURCES) -name \*.c) | |
| 176 | ||
| 9f103c28 DG |
177 | # Set the target variables. Multiarch triples notably omit the vendor |
| 178 | # field, which happens to be what we do for the main target triple too. | |
| 179 | TARGET_TRIPLE = wasm32-wasi | |
| 320054e8 DG |
180 | MULTIARCH_TRIPLE = wasm32-wasi |
| 181 | ||
| 182 | # These variables describe the locations of various files and | |
| 183 | # directories in the generated sysroot tree. | |
| 184 | SYSROOT_LIB = $(SYSROOT)/lib/$(MULTIARCH_TRIPLE) | |
| 185 | SYSROOT_INC = $(SYSROOT)/include | |
| 186 | SYSROOT_SHARE = $(SYSROOT)/share/$(MULTIARCH_TRIPLE) | |
| 187 | ||
| 188 | # Set the target. | |
| 189 | override WASM_CFLAGS += --target=$(TARGET_TRIPLE) | |
| 320054e8 DG |
190 | # WebAssembly floating-point match doesn't trap. |
| 191 | # TODO: Add -fno-signaling-nans when the compiler supports it. | |
| 192 | override WASM_CFLAGS += -fno-trapping-math | |
| dbfccac2 DG |
193 | |
| 194 | # Configure support for threads. | |
| 320054e8 DG |
195 | ifeq ($(THREAD_MODEL), single) |
| 196 | override WASM_CFLAGS += -mthread-model single | |
| dbfccac2 | 197 | endif |
| 320054e8 DG |
198 | ifeq ($(THREAD_MODEL), posix) |
| 199 | override WASM_CFLAGS += -mthread-model posix -pthread | |
| 200 | endif | |
| 201 | ||
| 202 | # Set the sysroot. | |
| 203 | override WASM_CFLAGS += --sysroot="$(SYSROOT)" | |
| 204 | ||
| 205 | objs = $(patsubst $(CURDIR)/%.c,$(OBJDIR)/%.o,$(1)) | |
| ad03c82d | 206 | override BASICS_OBJS = $(call objs,$(BASICS_SOURCES)) |
| 320054e8 DG |
207 | override DLMALLOC_OBJS = $(call objs,$(DLMALLOC_SOURCES)) |
| 208 | override LIBC_BOTTOM_HALF_ALL_OBJS = $(call objs,$(LIBC_BOTTOM_HALF_ALL_SOURCES)) | |
| 209 | override LIBC_TOP_HALF_ALL_OBJS = $(call objs,$(LIBC_TOP_HALF_ALL_SOURCES)) | |
| ad03c82d | 210 | override LIBC_OBJS := $(BASICS_OBJS) |
| 320054e8 DG |
211 | ifeq ($(BUILD_DLMALLOC),yes) |
| 212 | override LIBC_OBJS += $(DLMALLOC_OBJS) | |
| dbfccac2 | 213 | endif |
| 320054e8 DG |
214 | ifeq ($(BUILD_LIBC_BOTTOM_HALF),yes) |
| 215 | # Override basics' string.o with libc-bottom-half's. | |
| 216 | override LIBC_OBJS := $(filter-out %/string.o,$(LIBC_OBJS)) | |
| 217 | # Add libc-bottom-half's objects. | |
| 218 | override LIBC_OBJS += $(LIBC_BOTTOM_HALF_ALL_OBJS) | |
| 219 | endif | |
| 220 | ifeq ($(BUILD_LIBC_TOP_HALF),yes) | |
| 221 | # Override libc-bottom-half's string.o with libc-top-half's. | |
| 222 | override LIBC_OBJS := $(filter-out %/string.o,$(LIBC_OBJS)) | |
| 223 | # Override libc-bottom-half's qsort.o with libc-top-half's. | |
| 224 | override LIBC_OBJS := $(filter-out %/qsort.o,$(LIBC_OBJS)) | |
| 225 | # libc-top-half is musl. | |
| 226 | override LIBC_OBJS += $(LIBC_TOP_HALF_ALL_OBJS) | |
| 227 | endif | |
| 228 | override MUSL_PRINTSCAN_OBJS = $(call objs,$(MUSL_PRINTSCAN_SOURCES)) | |
| 229 | override MUSL_PRINTSCAN_LONG_DOUBLE_OBJS = $(patsubst %.o,%.long-double.o,$(MUSL_PRINTSCAN_OBJS)) | |
| 230 | override MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS = $(patsubst %.o,%.no-floating-point.o,$(MUSL_PRINTSCAN_OBJS)) | |
| 231 | override LIBWASI_EMULATED_MMAN_OBJS = $(call objs,$(LIBWASI_EMULATED_MMAN_SOURCES)) | |
| 232 | ||
| 1f409842 DG |
233 | # Files from musl's include directory that we don't want to install in the |
| 234 | # sysroot's include directory. | |
| 235 | override MUSL_OMIT_HEADERS := | |
| 236 | ||
| 237 | # Remove files which aren't headers (we generate alltypes.h below). | |
| 238 | override MUSL_OMIT_HEADERS += \ | |
| 239 | "bits/syscall.h.in" \ | |
| 240 | "bits/alltypes.h.in" \ | |
| 241 | "alltypes.h.in" | |
| 242 | ||
| 33e8b518 DG |
243 | # Use the compiler's version of these headers. |
| 244 | override MUSL_OMIT_HEADERS += \ | |
| 245 | "stdarg.h" \ | |
| 246 | "stddef.h" | |
| 247 | ||
| 1f409842 DG |
248 | # Use the WASI errno definitions. |
| 249 | override MUSL_OMIT_HEADERS += \ | |
| 250 | "bits/errno.h" | |
| 251 | ||
| 252 | # Remove headers that aren't supported yet or that aren't relevant for WASI. | |
| 253 | override MUSL_OMIT_HEADERS += \ | |
| 254 | "sys/procfs.h" \ | |
| 255 | "sys/user.h" \ | |
| 256 | "sys/kd.h" "sys/vt.h" "sys/soundcard.h" "sys/sem.h" \ | |
| 257 | "sys/shm.h" "sys/msg.h" "sys/ipc.h" "sys/ptrace.h" \ | |
| 258 | "sys/statfs.h" \ | |
| 259 | "bits/kd.h" "bits/vt.h" "bits/soundcard.h" "bits/sem.h" \ | |
| 260 | "bits/shm.h" "bits/msg.h" "bits/ipc.h" "bits/ptrace.h" \ | |
| 261 | "bits/statfs.h" \ | |
| 262 | "sys/vfs.h" \ | |
| 263 | "sys/statvfs.h" \ | |
| 264 | "syslog.h" "sys/syslog.h" \ | |
| 265 | "wait.h" "sys/wait.h" \ | |
| 266 | "ucontext.h" "sys/ucontext.h" \ | |
| 267 | "paths.h" \ | |
| 268 | "utmp.h" "utmpx.h" \ | |
| 269 | "lastlog.h" \ | |
| 270 | "sys/acct.h" \ | |
| 271 | "sys/cachectl.h" \ | |
| 272 | "sys/epoll.h" "sys/reboot.h" "sys/swap.h" \ | |
| 273 | "sys/sendfile.h" "sys/inotify.h" \ | |
| 274 | "sys/quota.h" \ | |
| 275 | "sys/klog.h" \ | |
| 276 | "sys/fsuid.h" \ | |
| 277 | "sys/io.h" \ | |
| 278 | "sys/prctl.h" \ | |
| 279 | "sys/mtio.h" \ | |
| 280 | "sys/mount.h" \ | |
| 281 | "sys/fanotify.h" \ | |
| 282 | "sys/personality.h" \ | |
| 283 | "elf.h" "link.h" "bits/link.h" \ | |
| 284 | "scsi/scsi.h" "scsi/scsi_ioctl.h" "scsi/sg.h" \ | |
| 285 | "sys/auxv.h" \ | |
| 286 | "pwd.h" "shadow.h" "grp.h" \ | |
| 287 | "mntent.h" \ | |
| 288 | "netdb.h" \ | |
| 289 | "resolv.h" \ | |
| 290 | "pty.h" \ | |
| 291 | "dlfcn.h" \ | |
| 292 | "setjmp.h" \ | |
| 293 | "ulimit.h" \ | |
| 294 | "sys/xattr.h" \ | |
| 295 | "wordexp.h" \ | |
| 296 | "spawn.h" \ | |
| 297 | "sys/membarrier.h" \ | |
| 298 | "sys/signalfd.h" \ | |
| 299 | "termios.h" \ | |
| 300 | "sys/termios.h" \ | |
| 301 | "bits/termios.h" \ | |
| 302 | "net/if.h" \ | |
| 303 | "net/if_arp.h" \ | |
| 304 | "net/ethernet.h" \ | |
| 305 | "net/route.h" \ | |
| 306 | "netinet/if_ether.h" \ | |
| 307 | "netinet/ether.h" \ | |
| eb7230cf DG |
308 | "sys/timerfd.h" \ |
| 309 | "libintl.h" \ | |
| 310 | "sys/sysmacros.h" \ | |
| 311 | "utime.h" | |
| 1f409842 DG |
312 | |
| 313 | ifeq ($(THREAD_MODEL), single) | |
| 314 | # Remove headers not supported in single-threaded mode. | |
| 315 | override MUSL_OMIT_HEADERS += "aio.h" "pthread.h" | |
| 316 | endif | |
| 317 | ||
| 320054e8 DG |
318 | default: check |
| 319 | ||
| 320 | $(SYSROOT_LIB)/libc.a: $(LIBC_OBJS) | |
| 321 | ||
| 322 | $(SYSROOT_LIB)/libc-printscan-long-double.a: $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) | |
| 323 | ||
| 324 | $(SYSROOT_LIB)/libc-printscan-no-floating-point.a: $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS) | |
| 325 | ||
| 326 | $(SYSROOT_LIB)/libwasi-emulated-mman.a: $(LIBWASI_EMULATED_MMAN_OBJS) | |
| 327 | ||
| 328 | %.a: | |
| 329 | @mkdir -p "$(@D)" | |
| 255e6f7c TS |
330 | # On Windows, the commandline for the ar invocation got too long, so it needs to be split up. |
| 331 | $(WASM_AR) crs $@ $(wordlist 1, 199, $^) | |
| 332 | $(WASM_AR) crs $@ $(wordlist 200, 399, $^) | |
| 333 | $(WASM_AR) crs $@ $(wordlist 400, 599, $^) | |
| 334 | $(WASM_AR) crs $@ $(wordlist 600, 799, $^) | |
| 335 | # This might eventually overflow again, but at least it'll do so in a loud way instead of | |
| 336 | # silently dropping the tail. | |
| 337 | $(WASM_AR) crs $@ $(wordlist 800, 100000, $^) | |
| 320054e8 DG |
338 | |
| 339 | $(MUSL_PRINTSCAN_OBJS): override WASM_CFLAGS += \ | |
| 340 | -D__wasilibc_printscan_no_long_double \ | |
| 341 | -D__wasilibc_printscan_full_support_option="\"add -lc-printscan-long-double to the link command\"" | |
| 342 | ||
| 343 | $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS): override WASM_CFLAGS += \ | |
| 344 | -D__wasilibc_printscan_no_floating_point \ | |
| 345 | -D__wasilibc_printscan_floating_point_support_option="\"remove -lc-printscan-no-floating-point from the link command\"" | |
| 346 | ||
| 8e8cc34a | 347 | $(OBJDIR)/%.long-double.o: $(CURDIR)/%.c include_dirs |
| 320054e8 DG |
348 | @mkdir -p "$(@D)" |
| 349 | "$(WASM_CC)" $(WASM_CFLAGS) -MD -MP -o $@ -c $< | |
| dcf13b6f | 350 | |
| 8e8cc34a | 351 | $(OBJDIR)/%.no-floating-point.o: $(CURDIR)/%.c include_dirs |
| 320054e8 DG |
352 | @mkdir -p "$(@D)" |
| 353 | "$(WASM_CC)" $(WASM_CFLAGS) -MD -MP -o $@ -c $< | |
| 354 | ||
| 8e8cc34a | 355 | $(OBJDIR)/%.o: $(CURDIR)/%.c include_dirs |
| 320054e8 DG |
356 | @mkdir -p "$(@D)" |
| 357 | "$(WASM_CC)" $(WASM_CFLAGS) -MD -MP -o $@ -c $< | |
| 358 | ||
| 255e6f7c | 359 | -include $(shell find $(OBJDIR) -name \*.d) |
| 320054e8 DG |
360 | |
| 361 | $(DLMALLOC_OBJS): override WASM_CFLAGS += \ | |
| 362 | -I$(DLMALLOC_INC) | |
| 363 | ||
| bdfbb545 | 364 | startup_files $(LIBC_BOTTOM_HALF_ALL_OBJS): override WASM_CFLAGS += \ |
| 320054e8 DG |
365 | -I$(LIBC_BOTTOM_HALF_HEADERS_PRIVATE) \ |
| 366 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC_INC) \ | |
| 7fcc4f29 | 367 | -I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC) |
| 320054e8 DG |
368 | |
| 369 | $(LIBC_TOP_HALF_ALL_OBJS) $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) $(MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS): override WASM_CFLAGS += \ | |
| 370 | -I$(LIBC_TOP_HALF_MUSL_SRC_DIR)/include \ | |
| 371 | -I$(LIBC_TOP_HALF_MUSL_SRC_DIR)/internal \ | |
| 372 | -I$(LIBC_TOP_HALF_MUSL_DIR)/arch/wasm32 \ | |
| 373 | -I$(LIBC_TOP_HALF_MUSL_DIR)/arch/generic \ | |
| 374 | -I$(LIBC_TOP_HALF_HEADERS_PRIVATE) \ | |
| 375 | -Wno-parentheses \ | |
| 376 | -Wno-shift-op-parentheses \ | |
| 377 | -Wno-bitwise-op-parentheses \ | |
| 378 | -Wno-logical-op-parentheses \ | |
| 379 | -Wno-string-plus-int \ | |
| 380 | -Wno-dangling-else \ | |
| 381 | -Wno-unknown-pragmas | |
| 382 | ||
| 8e8cc34a | 383 | include_dirs: |
| dcf13b6f | 384 | $(RM) -r "$(SYSROOT)" |
| dcf13b6f DG |
385 | |
| 386 | # | |
| 387 | # Install the include files. | |
| 388 | # | |
| 320054e8 DG |
389 | mkdir -p "$(SYSROOT_INC)" |
| 390 | cp -r "$(BASICS_INC)" "$(SYSROOT)" | |
| 391 | cp -r "$(LIBC_BOTTOM_HALF_HEADERS_PUBLIC)"/* "$(SYSROOT_INC)" | |
| 392 | ||
| 393 | # Generate musl's bits/alltypes.h header. | |
| 394 | mkdir -p "$(SYSROOT_INC)/bits" | |
| 395 | sed -f $(LIBC_TOP_HALF_MUSL_DIR)/tools/mkalltypes.sed \ | |
| 396 | $(LIBC_TOP_HALF_MUSL_DIR)/arch/wasm32/bits/alltypes.h.in \ | |
| 397 | $(LIBC_TOP_HALF_MUSL_DIR)/include/alltypes.h.in \ | |
| 398 | > "$(SYSROOT_INC)/bits/alltypes.h" | |
| 399 | ||
| 400 | # Copy in the bulk of musl's public header files. | |
| 401 | cp -r "$(LIBC_TOP_HALF_MUSL_INC)"/* "$(SYSROOT_INC)" | |
| 402 | # Copy in the musl's "bits" header files. | |
| 403 | cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/generic/bits/* "$(SYSROOT_INC)/bits" | |
| 404 | cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/wasm32/bits/* "$(SYSROOT_INC)/bits" | |
| 405 | ||
| 1f409842 DG |
406 | # Remove selected header files. |
| 407 | $(RM) $(patsubst %,$(SYSROOT_INC)/%,$(MUSL_OMIT_HEADERS)) | |
| 320054e8 DG |
408 | |
| 409 | ifeq ($(BUILD_LIBC_BOTTOM_HALF),no) | |
| 410 | override CRT_SOURCES = $(BASICS_CRT_SOURCES) | |
| 411 | else | |
| 412 | override CRT_SOURCES = $(LIBC_BOTTOM_HALF_CRT_SOURCES) | |
| 413 | endif | |
| dcf13b6f | 414 | |
| 8e8cc34a | 415 | startup_files: include_dirs |
| dcf13b6f | 416 | # |
| 320054e8 | 417 | # Build the startup files. |
| dcf13b6f | 418 | # |
| 320054e8 DG |
419 | @mkdir -p "$(OBJDIR)" |
| 420 | cd "$(OBJDIR)" && \ | |
| 421 | "$(WASM_CC)" $(WASM_CFLAGS) -c $(CRT_SOURCES) -MD -MP && \ | |
| 422 | mkdir -p "$(SYSROOT_LIB)" && \ | |
| 423 | mv *.o "$(SYSROOT_LIB)" | |
| dcf13b6f | 424 | |
| 8e8cc34a | 425 | libc: include_dirs \ |
| 320054e8 DG |
426 | $(SYSROOT_LIB)/libc.a \ |
| 427 | $(SYSROOT_LIB)/libc-printscan-long-double.a \ | |
| 428 | $(SYSROOT_LIB)/libc-printscan-no-floating-point.a \ | |
| 429 | $(SYSROOT_LIB)/libwasi-emulated-mman.a | |
| 430 | ||
| 8e8cc34a | 431 | finish: startup_files libc |
| dcf13b6f | 432 | # |
| 320054e8 | 433 | # Create empty placeholder libraries. |
| dcf13b6f | 434 | # |
| 1f7d798a | 435 | for name in m rt pthread crypt util xnet resolv dl; do \ |
| 320054e8 DG |
436 | $(WASM_AR) crs "$(SYSROOT_LIB)/lib$${name}.a"; \ |
| 437 | done | |
| dbfccac2 DG |
438 | |
| 439 | # | |
| 320054e8 | 440 | # Collect metadata on the sysroot and perform sanity checks. |
| dbfccac2 | 441 | # |
| 320054e8 DG |
442 | mkdir -p "$(SYSROOT_SHARE)" |
| 443 | ||
| 444 | # Collect symbol information. | |
| 445 | # TODO: Use llvm-nm --extern-only instead of grep. This is blocked on | |
| 446 | # LLVM PR40497, which is fixed in 9.0, but not in 8.0. | |
| c35f0f5d SC |
447 | # Ignore certain llvm builtin symbols such as those starting with __mul |
| 448 | # since these dependencies can vary between llvm versions. | |
| 255e6f7c | 449 | "$(WASM_NM)" --defined-only "$(SYSROOT_LIB)"/libc.a "$(SYSROOT_LIB)"/*.o \ |
| fad009dc | 450 | |grep ' [[:upper:]] ' |sed 's/.* [[:upper:]] //' |LC_ALL=C sort > "$(SYSROOT_SHARE)/defined-symbols.txt" |
| 255e6f7c | 451 | for undef_sym in $$("$(WASM_NM)" --undefined-only "$(SYSROOT_LIB)"/*.a "$(SYSROOT_LIB)"/*.o \ |
| fad009dc | 452 | |grep ' U ' |sed 's/.* U //' |LC_ALL=C sort |uniq); do \ |
| 320054e8 | 453 | grep -q '\<'$$undef_sym'\>' "$(SYSROOT_SHARE)/defined-symbols.txt" || echo $$undef_sym; \ |
| c35f0f5d | 454 | done | grep -v "^__mul" > "$(SYSROOT_SHARE)/undefined-symbols.txt" |
| 320054e8 DG |
455 | grep '^_*wasi_' "$(SYSROOT_SHARE)/undefined-symbols.txt" \ |
| 456 | > "$(SYSROOT_LIB)/libc.imports" | |
| 457 | ||
| 458 | # Generate a test file that includes all public header files. | |
| 459 | cd "$(SYSROOT)" && \ | |
| 460 | for header in $$(find include -type f -not -name mman.h |grep -v /bits/); do \ | |
| 461 | echo '#include <'$$header'>' | sed 's/include\///' ; \ | |
| fad009dc | 462 | done |LC_ALL=C sort >share/$(MULTIARCH_TRIPLE)/include-all.c ; \ |
| 320054e8 DG |
463 | cd - >/dev/null |
| 464 | ||
| 465 | # Test that it compiles. | |
| 466 | "$(WASM_CC)" $(WASM_CFLAGS) -fsyntax-only "$(SYSROOT_SHARE)/include-all.c" -Wno-\#warnings | |
| 467 | ||
| 468 | # Collect all the predefined macros, except for compiler version macros | |
| 469 | # which we don't need to track here. For the __*_ATOMIC_*_LOCK_FREE | |
| 470 | # macros, squash individual compiler names to attempt, toward keeping | |
| 471 | # these files compiler-independent. | |
| 8df0d4cd SC |
472 | # |
| 473 | # We have to add `-isystem $(SYSROOT_INC)` because otherwise clang puts | |
| 474 | # its builtin include path first, which produces compiler-specific | |
| 475 | # output. | |
| 476 | # | |
| 320054e8 | 477 | # TODO: Undefine __FLOAT128__ for now since it's not in clang 8.0. |
| f74124a6 | 478 | # TODO: Filter out __FLT16_* for now, as not all versions of clang have these. |
| 320054e8 | 479 | "$(WASM_CC)" $(WASM_CFLAGS) "$(SYSROOT_SHARE)/include-all.c" \ |
| 8df0d4cd | 480 | -isystem $(SYSROOT_INC) \ |
| 320054e8 | 481 | -E -dM -Wno-\#warnings \ |
| 9f0d8e85 | 482 | -D_ALL_SOURCE \ |
| 320054e8 DG |
483 | -U__llvm__ \ |
| 484 | -U__clang__ \ | |
| 485 | -U__clang_major__ \ | |
| 486 | -U__clang_minor__ \ | |
| 487 | -U__clang_patchlevel__ \ | |
| 488 | -U__clang_version__ \ | |
| 489 | -U__GNUC__ \ | |
| 490 | -U__GNUC_MINOR__ \ | |
| 491 | -U__GNUC_PATCHLEVEL__ \ | |
| 492 | -U__VERSION__ \ | |
| 493 | -U__FLOAT128__ \ | |
| 494 | | sed -e 's/__[[:upper:][:digit:]]*_ATOMIC_\([[:upper:][:digit:]_]*\)_LOCK_FREE/__compiler_ATOMIC_\1_LOCK_FREE/' \ | |
| f74124a6 | 495 | | grep -v '^#define __FLT16_' \ |
| 320054e8 DG |
496 | > "$(SYSROOT_SHARE)/predefined-macros.txt" |
| 497 | ||
| 498 | # | |
| 499 | # The build succeeded! The generated sysroot is in $(SYSROOT). | |
| 500 | # | |
| 501 | ||
| 8e8cc34a | 502 | check: finish |
| 320054e8 | 503 | # Check that the computed metadata matches the expected metadata. |
| 255e6f7c TS |
504 | # This ignores whitespace because on Windows the output has CRLF line endings. |
| 505 | diff -wur "$(CURDIR)/expected/$(MULTIARCH_TRIPLE)" "$(SYSROOT_SHARE)" | |
| 320054e8 | 506 | |
| 8e8cc34a | 507 | install: finish |
| 320054e8 DG |
508 | mkdir -p "$(INSTALL_DIR)" |
| 509 | cp -r "$(SYSROOT)/lib" "$(SYSROOT)/share" "$(SYSROOT)/include" "$(INSTALL_DIR)" | |
| 510 | ||
| 8e8cc34a | 511 | .PHONY: default startup_files libc finish check install include_dirs |