1# This Source Code Form is subject to the terms of the Mozilla Public 2# License, v. 2.0. If a copy of the MPL was not distributed with this file, 3# You can obtain one at http://mozilla.org/MPL/2.0/. 4 5PYTHON2 ?= python2 6 7EMSCRIPTEN_ROOT := $(shell if which emcc >/dev/null 2>&1; \ 8 then dirname `which emcc`; \ 9 else echo /usr/lib/emscripten; \ 10 fi) 11 12EMCC ?= $(EMSCRIPTEN_ROOT)/emcc 13 14WEBIDL ?= $(PYTHON2) $(EMSCRIPTEN_ROOT)/tools/webidl_binder.py 15 16# A 2MB heap is to analyze most web pages. For the outliers, we need to either 17# allow for heap growth, or allocate an unreasonable amount of memory at the 18# outset. 19# Unfortunately, once the heap has been enlarged, there is no shrinking, so 20# analyzing one 20MB web page gives us a 30-40MB heap for the life of the 21# worker. 22FLAGS=-s -O3 -s INLINING_LIMIT=1 -s NO_FILESYSTEM=1 -s NO_EXIT_RUNTIME=1 -s INVOKE_RUN=0 \ 23 -s TOTAL_STACK=8192 -s TOTAL_MEMORY=2097152 -s ALLOW_MEMORY_GROWTH=1 \ 24 --llvm-lto 1 --memory-init-file 1 --closure 1 25 26export EMCC_CLOSURE_ARGS = --language_in ECMASCRIPT6 --language_out ES5_STRICT 27 28SOURCES= \ 29 internal/cldutil.cc \ 30 internal/cldutil_shared.cc \ 31 internal/compact_lang_det.cc \ 32 internal/compact_lang_det_hint_code.cc \ 33 internal/compact_lang_det_impl.cc \ 34 internal/debug_empty.cc \ 35 internal/fixunicodevalue.cc \ 36 internal/generated_entities.cc \ 37 internal/generated_language.cc \ 38 internal/generated_ulscript.cc \ 39 internal/getonescriptspan.cc \ 40 internal/lang_script.cc \ 41 internal/offsetmap.cc \ 42 internal/scoreonescriptspan.cc \ 43 internal/tote.cc \ 44 internal/utf8statetable.cc \ 45 internal/cld_generated_cjk_uni_prop_80.cc \ 46 internal/cld2_generated_cjk_compatible.cc \ 47 internal/cld_generated_cjk_delta_bi_4.cc \ 48 internal/generated_distinct_bi_0.cc \ 49 internal/cld2_generated_quadchrome0122_16.cc \ 50 internal/cld2_generated_deltaoctachrome0122.cc \ 51 internal/cld2_generated_distinctoctachrome0122.cc \ 52 internal/cld_generated_score_quad_octa_0122_2.cc \ 53 cldapp.cc \ 54 $(NULL) 55 56OBJECTS=$(SOURCES:.cc=.o) 57 58default: all 59 60%.o: %.cc Makefile 61 $(EMCC) -Os -I. -o $@ $< 62 63cldapp.o: cld.cpp 64 65%.cpp %.js: %.idl 66 $(WEBIDL) $< $* 67 68all: cld-worker.js 69 70cld-worker.js: $(OBJECTS) post.js cld.js 71 $(EMCC) $(FLAGS) -I. -o cld-worker.js $(OBJECTS) --post-js cld.js --post-js post.js 72 73clean: 74 rm -f $(OBJECTS) cld.cpp cld.js before.js 75