1######################################################################## 2# This GNU makefile drives the build of the sqlite3 WASM 3# components. It is not part of the canonical build process. 4######################################################################## 5SHELL := $(shell which bash 2>/dev/null) 6MAKEFILE := $(lastword $(MAKEFILE_LIST)) 7all: 8release: all 9 10# Emscripten SDK home dir and related binaries... 11EMSDK_HOME ?= $(word 1,$(wildcard $(HOME)/src/emsdk $(HOME)/emsdk)) 12emcc.bin ?= $(word 1,$(wildcard $(shell which emcc) $(EMSDK_HOME)/upstream/emscripten/emcc)) 13ifeq (,$(emcc.bin)) 14 $(error Cannot find emcc.) 15endif 16 17wasm-strip ?= $(shell which wasm-strip 2>/dev/null) 18ifeq (,$(filter clean,$(MAKECMDGOALS))) 19ifeq (,$(wasm-strip)) 20 $(info WARNING: *******************************************************************) 21 $(info WARNING: builds using -O2/-O3/-Os/-Oz will minify WASM-exported names,) 22 $(info WARNING: breaking _All The Things_. The workaround for that is to build) 23 $(info WARNING: with -g3 (which explodes the file size) and then strip the debug) 24 $(info WARNING: info after compilation, using wasm-strip, to shrink the wasm file.) 25 $(info WARNING: wasm-strip was not found in the PATH so we cannot strip those.) 26 $(info WARNING: If this build uses any optimization level higher than -O1 then) 27 $(info WARNING: the ***resulting WASM binary WILL NOT BE USABLE***.) 28 $(info WARNING: wasm-strip is part of the wabt package:) 29 $(info WARNING: https://github.com/WebAssembly/wabt) 30 $(info WARNING: on Ubuntu-like systems it can be installed with:) 31 $(info WARNING: sudo apt install wabt) 32 $(info WARNING: *******************************************************************) 33endif 34endif # 'make clean' check 35 36ifeq (,$(wasm-strip)) 37 maybe-wasm-strip = echo "not wasm-stripping" 38else 39 maybe-wasm-strip = $(wasm-strip) 40endif 41 42dir.top := ../.. 43# Reminder: some Emscripten flags require absolute paths 44dir.wasm := $(patsubst %/,%,$(dir $(abspath $(MAKEFILE)))) 45dir.api := api 46dir.jacc := jaccwabyt 47dir.common := common 48dir.fiddle := fiddle 49CLEAN_FILES := *~ $(dir.jacc)/*~ $(dir.api)/*~ $(dir.common)/*~ 50emcc_enable_bigint ?= 1 51sqlite3.c := $(dir.top)/sqlite3.c 52SQLITE_OPT = \ 53 -DSQLITE_ENABLE_FTS4 \ 54 -DSQLITE_ENABLE_RTREE \ 55 -DSQLITE_ENABLE_EXPLAIN_COMMENTS \ 56 -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION \ 57 -DSQLITE_ENABLE_STMTVTAB \ 58 -DSQLITE_ENABLE_DBPAGE_VTAB \ 59 -DSQLITE_ENABLE_DBSTAT_VTAB \ 60 -DSQLITE_ENABLE_BYTECODE_VTAB \ 61 -DSQLITE_ENABLE_OFFSET_SQL_FUNC \ 62 -DSQLITE_OMIT_LOAD_EXTENSION \ 63 -DSQLITE_OMIT_DEPRECATED \ 64 -DSQLITE_OMIT_UTF16 \ 65 -DSQLITE_OMIT_SHARED_CACHE \ 66 -DSQLITE_THREADSAFE=0 \ 67 -DSQLITE_TEMP_STORE=3 \ 68 -DSQLITE_OS_KV_OPTIONAL=1 \ 69 '-DSQLITE_DEFAULT_UNIX_VFS="unix-none"' \ 70 -DSQLITE_USE_URI=1 71#SQLITE_OPT += -DSQLITE_ENABLE_MEMSYS5 72# ^^^ MEMSYS5 is hypothetically useful for non-Emscripten builds but 73# requires adding more infrastructure and fixing one spot in the 74# sqlite3 internals which calls malloc() early on. 75 76# SQLITE_OMIT_LOAD_EXTENSION: if this is true, sqlite3_vfs::xDlOpen 77# and friends may be NULL. 78 79ifneq (,$(filter release,$(MAKECMDGOALS))) 80emcc_opt ?= -Oz -flto 81else 82emcc_opt ?= -O0 83# ^^^^ build times for -O levels higher than 0 are painful at 84# dev-time. 85endif 86# When passing emcc_opt from the CLI, += and re-assignment have no 87# effect, so emcc_opt+=-g3 doesn't work. So... 88emcc_opt_full := $(emcc_opt) -g3 89# ^^^ ALWAYS use -g3. See below for why. 90# 91# ^^^ -flto improves runtime speed at -O0 considerably but doubles 92# build time. 93# 94# ^^^^ -O3, -Oz, -Os minify symbol names and there appears to be no 95# way around that except to use -g3, but -g3 causes the binary file 96# size to absolutely explode (approx. 5x larger). This minification 97# utterly breaks the resulting module, making it unsable except as 98# self-contained/self-referential-only code, as ALL of the exported 99# symbols get minified names. 100# 101# However, we have an option for using -Oz or -Os: 102# 103# Build with (-Os -g3) or (-Oz -g3) then use wasm-strip, from the wabt 104# tools package (https://github.com/WebAssembly/wabt), to strip the 105# debugging symbols. That results in a small build with unmangled 106# symbol names. -Oz gives ever-so-slightly better compression than 107# -Os: not quite 1% in some completely unscientific tests. Runtime 108# speed for the unit tests is all over the place either way so it's 109# difficult to say whether -Os gives any speed benefit over -Oz. 110# 111# (Much later: -O2 consistently gives the best speeds.) 112######################################################################## 113 114 115$(sqlite3.c): 116 $(MAKE) -C $(dir.top) sqlite3.c 117 118clean: 119 -rm -f $(CLEAN_FILES) 120 121ifeq (release,$(filter release,$(MAKECMDGOALS))) 122 ifeq (,$(wasm-strip)) 123 $(error Cannot make release-quality binary because wasm-strip is not available. \ 124 See notes in the warning above) 125 endif 126else 127 $(info Development build. Use '$(MAKE) release' for a smaller release build.) 128endif 129 130EXPORTED_FUNCTIONS.api.in := $(dir.api)/EXPORTED_FUNCTIONS.sqlite3-api \ 131 $(dir.jacc)/jaccwabyt_test.exports 132 133EXPORTED_FUNCTIONS.api: $(EXPORTED_FUNCTIONS.api.in) $(MAKEFILE) 134 cat $(EXPORTED_FUNCTIONS.api.in) > $@ 135CLEAN_FILES += EXPORTED_FUNCTIONS.api 136 137sqlite3-api.jses := $(dir.api)/sqlite3-api-prologue.js 138sqlite3-api.jses += $(dir.common)/whwasmutil.js 139sqlite3-api.jses += $(dir.jacc)/jaccwabyt.js 140sqlite3-api.jses += $(dir.api)/sqlite3-api-glue.js 141sqlite3-api.jses += $(dir.api)/sqlite3-api-oo1.js 142sqlite3-api.jses += $(dir.api)/sqlite3-api-worker1.js 143sqlite3-api.jses += $(dir.api)/sqlite3-api-opfs.js 144sqlite3-api.jses += $(dir.api)/sqlite3-api-cleanup.js 145 146sqlite3-api.js := sqlite3-api.js 147CLEAN_FILES += $(sqlite3-api.js) 148$(sqlite3-api.js): $(sqlite3-api.jses) $(MAKEFILE) 149 @echo "Making $@..." 150 @for i in $(sqlite3-api.jses); do \ 151 echo "/* BEGIN FILE: $$i */"; \ 152 cat $$i; \ 153 echo "/* END FILE: $$i */"; \ 154 done > $@ 155 156######################################################################## 157# --post-js and --pre-js are emcc flags we use to append/prepend JS to 158# the generated emscripten module file. 159pre-js.js := $(dir.api)/pre-js.js 160post-js.js := post-js.js 161CLEAN_FILES += $(post-js.js) 162post-jses := \ 163 $(dir.api)/post-js-header.js \ 164 $(sqlite3-api.js) \ 165 $(dir.api)/post-js-footer.js 166$(post-js.js): $(post-jses) $(MAKEFILE) 167 @echo "Making $@..." 168 @for i in $(post-jses); do \ 169 echo "/* BEGIN FILE: $$i */"; \ 170 cat $$i; \ 171 echo "/* END FILE: $$i */"; \ 172 done > $@ 173extern-post-js.js := $(dir.api)/extern-post-js.js 174extern-pre-js.js := $(dir.api)/extern-pre-js.js 175pre-post-common.flags := \ 176 --post-js=$(post-js.js) \ 177 --extern-post-js=$(extern-post-js.js) \ 178 --extern-pre-js=$(extern-pre-js.js) 179pre-post-jses.deps := $(post-js.js) \ 180 $(extern-post-js.js) $(extern-pre-js.js) 181######################################################################## 182# call-make-pre-js creates rules for pre-js-$(1).js. $1 = the base 183# name of the JS file on whose behalf this pre-js is for. 184define call-make-pre-js 185pre-post-$(1).flags ?= 186pre-js-$(1).js: $$(pre-js.js) $$(MAKEFILE) 187 cp $$(pre-js.js) $$@ 188 echo "Module[xInstantiateWasm].uri = '$(1).wasm';" >> $$@ 189CLEAN_FILES += pre-js-$(1).js 190pre-post-$(1).deps := $$(pre-post-jses.deps) pre-js-$(1).js 191pre-post-$(1).flags += --pre-js=pre-js-$(1).js 192endef 193#$(error $(call call-make-pre-js,sqlite3-wasmfs)) 194# /post-js and pre-js 195######################################################################## 196 197######################################################################## 198# emcc flags for .c/.o/.wasm/.js. 199emcc.flags = 200#emcc.flags += -v # _very_ loud but also informative about what it's doing 201# -g is needed to keep -O2 and higher from creating broken JS via 202# minification. 203 204######################################################################## 205# emcc flags for .c/.o. 206emcc.cflags := 207emcc.cflags += -std=c99 -fPIC 208# -------------^^^^^^^^ we currently need c99 for WASM-specific sqlite3 APIs. 209emcc.cflags += -I. -I$(dir.top) 210 211######################################################################## 212# emcc flags specific to building the final .js/.wasm file... 213emcc.jsflags := -fPIC 214emcc.jsflags += --minify 0 215emcc.jsflags += --no-entry 216emcc.jsflags += -sMODULARIZE 217emcc.jsflags += -sSTRICT_JS 218emcc.jsflags += -sDYNAMIC_EXECUTION=0 219emcc.jsflags += -sNO_POLYFILL 220emcc.jsflags += -sEXPORTED_FUNCTIONS=@$(dir.wasm)/EXPORTED_FUNCTIONS.api 221emcc.exportedRuntimeMethods := \ 222 -sEXPORTED_RUNTIME_METHODS=FS,wasmMemory,allocateUTF8OnStack 223 # FS ==> stdio/POSIX I/O proxies 224 # wasmMemory ==> required by our code for use with -sIMPORTED_MEMORY 225 # allocateUTF8OnStack => for kvvfs internals 226emcc.jsflags += $(emcc.exportedRuntimeMethods) 227emcc.jsflags += -sUSE_CLOSURE_COMPILER=0 228emcc.jsflags += -sIMPORTED_MEMORY 229emcc.environment := -sENVIRONMENT=web,worker 230emcc.jsflags += -sALLOW_MEMORY_GROWTH 231# emcc: warning: USE_PTHREADS + ALLOW_MEMORY_GROWTH may run non-wasm code 232# slowly, see https://github.com/WebAssembly/design/issues/1271 233# [-Wpthreads-mem-growth] 234emcc.jsflags += -sINITIAL_MEMORY=13107200 235#emcc.jsflags += -sINITIAL_MEMORY=64225280 236# ^^^^ 64MB is not enough for WASMFS/OPFS test runs using batch-runner.js 237emcc.jsflags += $(emcc.environment) 238#emcc.jsflags += -sTOTAL_STACK=4194304 239 240sqlite3.js.init-func := sqlite3InitModule 241# ^^^^ $(sqlite3.js.init-func) symbol name is hard-coded in $(extern-post-js.js) 242 243emcc.jsflags += -sEXPORT_NAME=$(sqlite3.js.init-func) 244emcc.jsflags += -sGLOBAL_BASE=4096 # HYPOTHETICALLY keep func table indexes from overlapping w/ heap addr. 245#emcc.jsflags += -sSTRICT # fails due to missing __syscall_...() 246#emcc.jsflags += -sALLOW_UNIMPLEMENTED_SYSCALLS 247#emcc.jsflags += -sFILESYSTEM=0 # only for experimentation. sqlite3 needs the FS API 248#emcc.jsflags += -sABORTING_MALLOC 249emcc.jsflags += -sALLOW_TABLE_GROWTH 250emcc.jsflags += -Wno-limited-postlink-optimizations 251# ^^^^^ it likes to warn when we have "limited optimizations" via the -g3 flag. 252#emcc.jsflags += -sSTANDALONE_WASM # causes OOM errors, not sure why 253# https://lld.llvm.org/WebAssembly.html 254emcc.jsflags += -sERROR_ON_UNDEFINED_SYMBOLS=0 255emcc.jsflags += -sLLD_REPORT_UNDEFINED 256#emcc.jsflags += --allow-undefined 257emcc.jsflags += --import-undefined 258#emcc.jsflags += --unresolved-symbols=import-dynamic --experimental-pic 259#emcc.jsflags += --experimental-pic --unresolved-symbols=ingore-all --import-undefined 260#emcc.jsflags += --unresolved-symbols=ignore-all 261emcc.jsflags += -sWASM_BIGINT=$(emcc_enable_bigint) 262# ^^^^ MEMORY64=1 fails to load, erroring with: 263# invalid memory limits flags 0x5 264# (enable via --experimental-wasm-memory64) 265# 266# ^^^^ MEMORY64=2 builds and loads but dies when we do things like: 267# 268# new Uint8Array(heapWrappers().HEAP8U.buffer, ptr, n) 269# 270# because ptr is now a BigInt, so is invalid for passing to arguments 271# which have strict must-be-a-Number requirements. 272######################################################################## 273 274 275######################################################################## 276# -sSINGLE_FILE: 277# https://github.com/emscripten-core/emscripten/blob/main/src/settings.js#L1704 278# -sSINGLE_FILE=1 would be really nice but we have to build with -g 279# for -O2 and higher to work (else minification breaks the code) and 280# cannot wasm-strip the binary before it gets encoded into the JS 281# file. The result is that the generated JS file is, because of the -g 282# debugging info, _huge_. 283######################################################################## 284 285######################################################################## 286# Maintenance reminder: the output .js and .wasm files of emcc must be 287# in _this_ dir, rather than a subdir, or else parts of the generated 288# code get confused and cannot load property (namely, the 289# sqlite3.worker.js generated in conjunction with -sWASMFS). 290sqlite3.js := sqlite3.js 291sqlite3.wasm := sqlite3.wasm 292sqlite3-wasm.o := $(dir.api)/sqlite3-wasm.o 293$(sqlite3-wasm.o): emcc.cflags += $(SQLITE_OPT) 294$(sqlite3-wasm.o): $(dir.top)/sqlite3.c 295sqlite3-wasm.c := $(dir.api)/sqlite3-wasm.c 296jaccwabyt_test.c := $(dir.jacc)/jaccwabyt_test.c 297# ^^^ FIXME (how?): jaccwabyt_test.c is only needed for the test apps, 298# so we don't really want to include it in release builds. However, we 299# want to test the release builds with those apps, so we cannot simply 300# elide that file in release builds. That component is critical to the 301# VFS bindings so needs to be tested along with the core APIs. 302######################################################################## 303# call-wasm-c-compile sets up build rules 304# for $1.o. $1 must be the name of a C file (with extension). 305define call-wasm-c-compile 306$(1).o := $$(subst .c,.o,$(1)) 307sqlite3.wasm.obj += $$($(1).o) 308$$($(1).o): $$(MAKEFILE) $(1) 309 $$(emcc.bin) $$(emcc_opt_full) $$(emcc.flags) $$(emcc.cflags) -c $(1) -o $$@ 310CLEAN_FILES += $$($(1).o) 311endef 312$(foreach c,$(sqlite3-wasm.c) $(jaccwabyt_test.c),$(eval $(call call-wasm-c-compile,$(c)))) 313$(eval $(call call-make-pre-js,sqlite3)) 314$(sqlite3.js): $(MAKEFILE) $(sqlite3.wasm.obj) \ 315 EXPORTED_FUNCTIONS.api \ 316 $(pre-post-sqlite3.deps) 317 @echo "Building $@ ..." 318 $(emcc.bin) -o $@ $(emcc_opt_full) $(emcc.flags) \ 319 $(emcc.jsflags) $(pre-post-common.flags) $(pre-post-sqlite3.flags) \ 320 $(sqlite3.wasm.obj) 321 chmod -x $(sqlite3.wasm) 322 $(maybe-wasm-strip) $(sqlite3.wasm) 323 @ls -la $@ $(sqlite3.wasm) 324 325CLEAN_FILES += $(sqlite3.js) $(sqlite3.wasm) 326all: $(sqlite3.js) 327wasm: $(sqlite3.js) 328# End main Emscripten-based module build 329######################################################################## 330 331######################################################################## 332# batch-runner.js... 333dir.sql := sql 334speedtest1 := ../../speedtest1 335speedtest1.c := ../../test/speedtest1.c 336speedtest1.sql := $(dir.sql)/speedtest1.sql 337speedtest1.cliflags := --size 25 --big-transactions 338$(speedtest1): 339 $(MAKE) -C ../.. speedtest1 340$(speedtest1.sql): $(speedtest1) $(MAKEFILE) 341 $(speedtest1) $(speedtest1.cliflags) --script $@ 342batch-runner.list: $(MAKEFILE) $(speedtest1.sql) $(dir.sql)/000-mandelbrot.sql 343 bash split-speedtest1-script.sh $(dir.sql)/speedtest1.sql 344 ls -1 $(dir.sql)/*.sql | grep -v speedtest1.sql | sort > $@ 345clean-batch: 346 rm -f batch-runner.list $(dir.sql)/speedtest1*.sql 347# ^^^ we don't do this along with 'clean' because we clean/rebuild on 348# a regular basis with different -Ox flags and rebuilding the batch 349# pieces each time is an unnecessary time sink. 350batch: batch-runner.list 351all: batch 352# end batch-runner.js 353######################################################################## 354# speedtest1.js... 355# speedtest1-common.eflags = emcc flags used by multiple builds of speedtest1 356# speedtest1.eflags = emcc flags used by main build of speedtest1 357speedtest1-common.eflags := $(emcc_opt_full) 358speedtest1.eflags := 359speedtest1.eflags += -sENVIRONMENT=web 360speedtest1-common.eflags += -sINVOKE_RUN=0 361speedtest1-common.eflags += --no-entry 362#speedtest1-common.eflags += -flto 363speedtest1-common.eflags += -sABORTING_MALLOC 364speedtest1-common.eflags += -sINITIAL_MEMORY=128450560 365speedtest1-common.eflags += -sSTRICT_JS 366speedtest1-common.eflags += -sMODULARIZE 367speedtest1-common.eflags += -Wno-limited-postlink-optimizations 368speedtest1-common.eflags += -sEXPORTED_FUNCTIONS=@$(dir.wasm)/EXPORTED_FUNCTIONS.speedtest1 369speedtest1-common.eflags += $(emcc.exportedRuntimeMethods) 370speedtest1-common.eflags += -sALLOW_TABLE_GROWTH 371speedtest1-common.eflags += -sDYNAMIC_EXECUTION=0 372speedtest1-common.eflags += --minify 0 373speedtest1-common.eflags += -sEXPORT_NAME=$(sqlite3.js.init-func) 374speedtest1-common.eflags += -sWASM_BIGINT=$(emcc_enable_bigint) 375speedtest1-common.eflags += $(pre-post-common.flags) 376speedtest1.exit-runtime0 := -sEXIT_RUNTIME=0 377speedtest1.exit-runtime1 := -sEXIT_RUNTIME=1 378# Re -sEXIT_RUNTIME=1 vs 0: if it's 1 and speedtest1 crashes, we get 379# this error from emscripten: 380# 381# > native function `free` called after runtime exit (use 382# NO_EXIT_RUNTIME to keep it alive after main() exits)) 383# 384# If it's 0 and it crashes, we get: 385# 386# > stdio streams had content in them that was not flushed. you should 387# set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline 388# when you printf etc. 389# 390# and pending output is not flushed because it didn't end with a 391# newline (by design). The lesser of the two evils seems to be 392# -sEXIT_RUNTIME=1 but we need EXIT_RUNTIME=0 for the worker-based app 393# which runs speedtest1 multiple times. 394 395EXPORTED_FUNCTIONS.speedtest1: EXPORTED_FUNCTIONS.api 396 { echo _wasm_main; cat EXPORTED_FUNCTIONS.api; } > $@ 397CLEAN_FILES += EXPORTED_FUNCTIONS.speedtest1 398speedtest1.js := speedtest1.js 399speedtest1.wasm := $(subst .js,.wasm,$(speedtest1.js)) 400speedtest1.cflags := \ 401 -I. -I.. -I$(dir.top) \ 402 -DSQLITE_SPEEDTEST1_WASM 403speedtest1.cs := $(speedtest1.c) $(sqlite3-wasm.c) $(jaccwabyt_test.c) 404$(speedtest1.js): emcc.cflags+= 405# speedtest1 notes re. sqlite3-wasm.o vs sqlite3-wasm.c: building against 406# the latter (predictably) results in a slightly faster binary, but we're 407# close enough to the target speed requirements that the 500ms makes a 408# difference. 409$(eval $(call call-make-pre-js,speedtest1)) 410$(speedtest1.js): $(MAKEFILE) $(speedtest1.cs) \ 411 $(pre-post-speedtest1.deps) \ 412 EXPORTED_FUNCTIONS.speedtest1 413 @echo "Building $@ ..." 414 $(emcc.bin) \ 415 $(speedtest1.eflags) $(speedtest1-common.eflags) $(speedtest1.cflags) \ 416 $(pre-post-speedtest1.flags) \ 417 $(SQLITE_OPT) \ 418 $(speedtest1.exit-runtime0) \ 419 -o $@ $(speedtest1.cs) -lm 420 $(maybe-wasm-strip) $(speedtest1.wasm) 421 ls -la $@ $(speedtest1.wasm) 422 423speedtest1: $(speedtest1.js) 424all: speedtest1 425CLEAN_FILES += $(speedtest1.js) $(speedtest1.wasm) 426# end speedtest1.js 427######################################################################## 428 429######################################################################## 430# fiddle_remote is the remote destination for the fiddle app. It 431# must be a [user@]HOST:/path for rsync. 432# Note that the target "should probably" contain a symlink of 433# index.html -> fiddle.html. 434fiddle_remote ?= 435ifeq (,$(fiddle_remote)) 436ifneq (,$(wildcard /home/stephan)) 437 fiddle_remote = wh:www/wh/sqlite3/. 438else ifneq (,$(wildcard /home/drh)) 439 #fiddle_remote = if appropriate, add that user@host:/path here 440endif 441endif 442$(fiddle_files): default 443push-fiddle: $(fiddle_files) 444 @if [ x = "x$(fiddle_remote)" ]; then \ 445 echo "fiddle_remote must be a [user@]HOST:/path for rsync"; \ 446 exit 1; \ 447 fi 448 rsync -va fiddle/ $(fiddle_remote) 449# end fiddle remote push 450######################################################################## 451 452######################################################################## 453# Convenience rules to rebuild with various -Ox levels. Much 454# experimentation shows -O2 to be the clear winner in terms of speed. 455# Note that build times with anything higher than -O0 are somewhat 456# painful. 457 458.PHONY: o0 o1 o2 o3 os oz 459o-xtra := -g3 460# ^^^ -g3 is important to keep higher -O levels from mangling (via 461# minification), or outright removing, otherwise working code. 462 463o-xtra += -flto 464# ^^^^ -flto can have a considerably performance boost at -O0 but 465# doubles the build time and seems to have negligible effect on 466# higher optimization levels. 467o0: clean 468 $(MAKE) -e "emcc_opt=-O0 $(o-xtra)" 469o1: clean 470 $(MAKE) -e "emcc_opt=-O1 $(o-xtra)" 471o2: clean 472 $(MAKE) -e "emcc_opt=-O2 $(o-xtra)" 473o3: clean 474 $(MAKE) -e "emcc_opt=-O3 $(o-xtra)" 475os: clean 476 @echo "WARNING: -Os can result in a build with mysteriously missing pieces!" 477 $(MAKE) -e "emcc_opt=-Os $(o-xtra)" 478oz: clean 479 $(MAKE) -e "emcc_opt=-Oz $(o-xtra)" 480 481######################################################################## 482# Sub-makes... 483 484include fiddle.make 485 486######################################################################## 487# Some platforms do not support the WASMFS build. Raspberry Pi OS is one 488# of them. As such platforms are discovered, add their (uname -m) name 489# to PLATFORMS_WITH_NO_WASMFS to exclude the wasmfs build parts. 490PLATFORMS_WITH_NO_WASMFS := aarch64 # add any others here 491THIS_ARCH := $(shell /usr/bin/uname -m) 492ifneq (,$(filter $(THIS_ARCH),$(PLATFORMS_WITH_NO_WASMFS))) 493$(info This platform does not support the WASMFS build.) 494else 495include wasmfs.make 496endif 497 498######################################################################## 499# Push files to public wasm-testing.sqlite.org server 500wasm-testing.include = *.wasm *.js *.html \ 501 batch-runner.list sql common fiddle jaccwabyt 502wasm-testing.exclude = sql/speedtest1.sql 503wasm-testing.dir = /jail/sites/wasm-testing 504wasm-testing.dest ?= wasm-testing:$(wasm-testing.dir) 505# ---------------------^^^^^^^^^^^^ ssh alias 506push: 507 rsync -z -e ssh --ignore-times --chown=stephan:www-data --group -r \ 508 $(patsubst %,--exclude=%,$(wasm-testing.exclude)) \ 509 $(wasm-testing.include) $(wasm-testing.dest) 510 ssh wasm-testing 'cd $(wasm-testing.dir) && bash .gzip' || \ 511 echo "SSH failed: it's likely that stale content will be served via old gzip files." 512 513