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