| # Makefile for piex-wasm |
| # |
| # An IIFE https://developer.mozilla.org/en-US/docs/Glossary/IIFE is used to |
| # wrap em++ compiler-generated JS code so it does not pollute |globalThis|. |
| # |
| # CFI sanitizer options are used to compile our WebAssembly, as recommended |
| # by https://webassembly.org/docs/security/#memory-safety (for more details |
| # about CFI see https://clang.llvm.org/docs/ControlFlowIntegrity.html). |
| # |
| PIEX = node_modules/piex |
| |
| PSRC = $(PIEX)/src/piex.cc \ |
| $(PIEX)/src/tiff_parser.cc \ |
| $(PIEX)/src/image_type_recognition/image_type_recognition_lite.cc \ |
| $(PIEX)/src/tiff_directory/tiff_directory.cc \ |
| $(PIEX)/src/binary_parse/range_checked_byte_ptr.cc \ |
| $(PIEX)/src/binary_parse/cached_paged_byte_array.cc |
| |
| INCS = -I $(PIEX) |
| WASM = -s WASM=1 -fno-exceptions -Wall -fsanitize=cfi -flto -fvisibility=hidden |
| WOPT = -Os --llvm-opts 3 \ |
| -s MODULARIZE=1 \ |
| -s EXPORT_NAME=createPiexModule \ |
| -s STRICT=1 \ |
| -s ALLOW_MEMORY_GROWTH=1 \ |
| -s ENVIRONMENT='web' \ |
| -s NO_DYNAMIC_EXECUTION=1 \ |
| -s TOTAL_STACK=$(shell echo $$((8*1024))) |
| |
| IIFE = --pre-js iife.beg --post-js iife.end |
| |
| .PHONY: all clean release |
| |
| all: piex.out.js release |
| |
| piex.out.js: piex.cpp.bc piex.src.bc iife.beg iife.end |
| em++ --bind --std=c++11 $(WASM) $(WOPT) $(IIFE) piex.cpp.bc piex.src.bc -o $@ |
| |
| piex.cpp.bc: piex.cpp Makefile |
| em++ --bind --std=c++11 $(WASM) $(WOPT) $(INCS) piex.cpp -o $@ |
| |
| piex.src.bc: $(PSRC) Makefile |
| em++ --bind --std=c++11 $(WASM) $(WOPT) $(INCS) $(PSRC) -o $@ |
| |
| release: |
| $(shell cp piex.out.js piex.js.wasm) |
| $(shell cp piex*wasm extension) |
| |
| clean: |
| $(shell rm -f tests.{result*,log} package-lock* *.bc piex.out.js) |
| $(shell rm -f piex*wasm extension/piex*wasm) |
