zlib-streams

CC=gcc CFLAGS=-I./src/zlib -I./src -I./test -I./src/zlib/contrib/infback9 -O2 -w -MMD -MP DEBUG_CFLAGS=-I./src/zlib -I./src -I./test -I./src/zlib/contrib/infback9 -O0 -g3 -ggdb3 -fno-inline -fno-omit-frame-pointer -w -MMD -MP ## By default we don't enable the INF9 tracing macros so debug binaries ## don't embed large diagnostic strings. To enable tracing for local ## debugging, uncomment and set DEBUG_DEFINES accordingly. # Enable zlib's Tracev/Tracevv debug output and inf9 trace hooks for debug builds # For traced wasm runs we enable INF9_TRACE via DEBUG_DEFINES_TRACED (used by the traced-wasm target) ## Debug defines are disabled by default for a clean commit-ready Makefile. DEBUG_DEFINES= DEBUG_DEFINES_TRACED= SRC=src/inflate9.c src/zlib/contrib/infback9/inftree9.c src/zlib/zutil.c src/zlib/inflate.c src/zlib/inftrees.c TESTSRC=zlib/crc32.c LIBS=-lz ## Build the payload decompressor test binary used for verification (deduplicated sources) PD_SRCS = test/payload_decompress.c \ src/inflate9.c src/zlib/inffast.c src/zlib/inftrees.c src/zlib/zutil.c src/zlib/inflate.c src/zlib/infback.c \ src/zlib/contrib/infback9/infback9.c src/zlib/contrib/infback9/inftree9.c src/zlib/crc32.c src/zlib/adler32.c src/zlib/trees.c PD_NOWINDOW_SRCS = test/payload_decompress_nowindow.c \ src/inflate9.c src/zlib/inffast.c src/zlib/inftrees.c src/zlib/zutil.c src/zlib/inflate.c src/zlib/infback.c \ src/zlib/contrib/infback9/infback9.c src/zlib/contrib/infback9/inftree9.c src/zlib/crc32.c src/zlib/adler32.c src/zlib/trees.c PD_NOWINDOW_DEBUG_OBJS = $(PD_NOWINDOW_SRCS:%.c=build/debug/%.o) # Dedicated reference test that uses inflateBack9 (infback9.c) directly PD_REF_SRCS = test/payload_decompress_ref.c \ src/zlib/contrib/infback9/infback9.c src/zlib/contrib/infback9/inftree9.c src/zlib/crc32.c src/zlib/adler32.c src/zlib/trees.c src/zlib/zutil.c PD_REF_OBJS = $(PD_REF_SRCS:%.c=build/debug/%.o) PD_REF_OBJS_RELEASE = $(PD_REF_SRCS:%.c=build/%.o) # object paths for release and debug builds PD_OBJS = $(PD_SRCS:%.c=build/%.o) PD_DEBUG_OBJS = $(PD_SRCS:%.c=build/debug/%.o) all: test_all clean: @echo "Cleaning build artifacts, dist, tmp, and generated files" rm -rf ./test/payload_decompress_test_debug ./test/payload_decompress_ref_debug ./test/payload_decompress_test_debug.* ./test/payload_decompress_ref_debug.* build tmp *.d dist/*.wasm tmp/all_runs tmp/run_all_verify.log # remove node generated artifacts if present rm -f src/wasm/tests/*.out || true test/payload_decompress_test: $(PD_OBJS) mkdir -p test $(CC) $(CFLAGS) $(PD_OBJS) -o $@ # Debug variant of the payload decompressor (with debug symbols) test_all: test/payload_decompress_test test/payload_decompress_test_debug test/payload_decompress_ref test/payload_decompress_ref_debug @echo "Built test binaries: test/payload_decompress_test test/payload_decompress_test_debug test/payload_decompress_ref test/payload_decompress_ref_debug" # Build-only debug target used by IDEs (compile only, do not run) test/payload_decompress_test_debug: $(PD_DEBUG_OBJS) mkdir -p test $(CC) $(DEBUG_DEFINES) $(DEBUG_CFLAGS) $(PD_DEBUG_OBJS) -o $@ @echo "Debug binary built: $@" # Build a true reference binary that uses inflateBack9 (infback9.c) test/payload_decompress_ref_debug: $(PD_REF_OBJS) mkdir -p test $(CC) $(DEBUG_DEFINES) $(DEBUG_CFLAGS) $(PD_REF_OBJS) -o $@ # Build nowindow debug variant test/payload_decompress_nowindow_debug: $(PD_NOWINDOW_DEBUG_OBJS) mkdir -p test $(CC) $(DEBUG_DEFINES) $(DEBUG_CFLAGS) $(PD_NOWINDOW_DEBUG_OBJS) -o $@ test/payload_decompress_ref: $(PD_REF_OBJS_RELEASE) mkdir -p test $(CC) $(CFLAGS) $(PD_REF_OBJS_RELEASE) -o $@ # pattern rules to compile sources into build object dirs build/%.o: %.c @echo "CC $< -> $@" @mkdir -p $(dir $@) $(CC) $(CFLAGS) -c $< -o $@ build/debug/%.o: %.c @echo "CC (debug) $< -> $@" @mkdir -p $(dir $@) $(CC) $(DEBUG_DEFINES) $(DEBUG_CFLAGS) -c $< -o $@ run_ref_test: @mkdir -p tmp @sh -c '\ ./test/payload_decompress_ref_debug ./test/ref-data/10k_lines.deflate64 tmp/out_ref.bin 2> tmp/trace_ref.log; \ rc=$$?; \ if [ $$rc -eq 0 ] && [ -s tmp/out_ref.bin ]; then \ echo OK >> tmp/trace_ref.log; \ else \ echo KO >> tmp/trace_ref.log; \ fi' .PHONY: test_all ref_test run_ref_test .PHONY: run_all_payloads_verify_ci run_all_payloads_verify_ci: @echo "Building quiet debug harnesses (no INF9_TRACE) and running full verification..." @$(MAKE) DEBUG_DEFINES= test/payload_decompress_test_debug test/payload_decompress_ref_debug test/payload_decompress_nowindow_debug >/dev/null 2>&1 || true @mkdir -p tmp/all_runs @./test/run_all_payloads_and_verify.sh | tee tmp/all_runs/run_all_verify.log @echo "wrote tmp/all_runs/run_all_verify.log" .PHONY: ci ci: @mkdir -p tmp @echo "CI START: $$(date)" > tmp/ci_run.log @echo "Running make test (build)" >> tmp/ci_run.log @$(MAKE) test_all >> tmp/ci_run.log 2>&1 || true @for target run_ref_test; do \ echo "=== $$target ===" >> tmp/ci_run.log; \ $(MAKE) $$target >> tmp/ci_run.log 2>&1 || true; \ done @echo "CI DONE: $$(date)" >> tmp/ci_run.log @echo "Summary generated at $$(date)" > tmp/ci_summary.txt @for out in tmp/out_*.bin; do [ -f "$$out" ] && stat -f"%N %z" "$$out" >> tmp/ci_summary.txt || true; done @echo "" >> tmp/ci_summary.txt @echo "-- last 10 lines of traces --" >> tmp/ci_summary.txt @for trace in tmp/trace_*.log; do echo "--- $$trace ---" >> tmp/ci_summary.txt; tail -n 10 "$$trace" >> tmp/ci_summary.txt 2>/dev/null || true; echo "" >> tmp/ci_summary.txt; done # Include generated dependency files (if present) -include $(PD_OBJS:.o=.d) $(PD_DEBUG_OBJS:.o=.d) # ----------------------------------------------------------------------------- # WASM build target (convenience target to produce dist/zlib-streams-dev.wasm) # ----------------------------------------------------------------------------- EMCC ?= emsdk/upstream/emscripten/emcc WASM_SRCS = src/wasm/inflate9_stream_wasm.c src/wasm/inflate_stream_wasm.c src/wasm/deflate_stream_wasm.c src/wasm/allocator.c src/inflate9.c \ src/zlib/contrib/infback9/inftree9.c \ src/zlib/inffast.c src/zlib/inflate.c src/zlib/inftrees.c src/zlib/zutil.c \ src/zlib/crc32.c src/zlib/adler32.c src/zlib/trees.c src/zlib/deflate.c WASM_CFLAGS = -Isrc -Isrc/zlib -Isrc/zlib/contrib/infback9 -O2 -flto -DDYNAMIC_CRC_TABLE -DBUILDFIXED -DZ_SOLO .PHONY: wasm wasm: dist/zlib-streams-dev.wasm .PHONY: wasm_traced wasm_traced: dist/zlib-streams_traced.wasm dist/zlib-streams_traced.wasm: $(WASM_SRCS) @echo "Building traced $@ using $(EMCC)" @mkdir -p dist $(EMCC) $(WASM_SRCS) $(WASM_CFLAGS) $(DEBUG_DEFINES_TRACED) -s WASM=1 -s STANDALONE_WASM=1 --no-entry \ -s EXPORTED_FUNCTIONS='["_inflate9_new","_inflate9_init","_inflate9_init_raw","_inflate9_process","_inflate9_end","_inflate9_last_consumed","_inflate_new","_inflate_init","_inflate_init_raw","_inflate_init_gzip","_inflate_process","_inflate_end","_inflate_last_consumed","_deflate_new","_deflate_init","_deflate_init_raw","_deflate_init_gzip","_deflate_process","_deflate_end","_deflate_last_consumed","_malloc","_free"]' \ -o $@ # Run reference C and WASM test suites over payloads in test/ref-data .PHONY: run_ref_c_tests run_ref_c_tests: test/payload_decompress_test_debug test/payload_decompress_ref_debug test/payload_decompress_nowindow_debug @echo "Running C reference harnesses over deflate64 payloads" @mkdir -p tmp/all_runs @./test/run_deflate64_suite.sh .PHONY: run_ref_wasm_tests run_ref_wasm_tests: dist/zlib-streams-dev.wasm @echo "Running WASM runner over deflate64 payloads (sequential by default)" @mkdir -p tmp/all_runs @$(MAKE) run_ref_wasm_seq @$(MAKE) run_wasm_roundtrip_mem .PHONY: run_ref_wasm_seq run_ref_wasm_seq: dist/zlib-streams-dev.wasm @echo "Running WASM runner sequentially per payload (safe, non-blocking)" @mkdir -p tmp/all_runs @sh -c '\ for p in test/ref-data/*deflate64*; do \ [ -f "$$p" ] || continue; \ f=$$(basename "$$p"); \ printf "\nPayload: %s\n" "$$f"; \ rm -f tmp/all_runs/wasm__$$f.out; \ node src/wasm/tests/test_inflate9_stream.js dist/zlib-streams-dev.wasm "$$p" tmp/all_runs/wasm__$$f.out || printf " NODE_RC:%s for %s\n" "$$?" "$$f"; \ if [ -f tmp/all_runs/wasm__$$f.out ]; then \ printf " wrote tmp/all_runs/wasm__%s.out (size=%s)\n" "$$f" "$(stat -f%z tmp/all_runs/wasm__$$f.out 2>/dev/null || echo unknown)"; \ ref=tmp/all_runs/payload_decompress_ref_debug__$$f.out; \ if [ -f "$$ref" ]; then \ h1=`shasum -a 256 tmp/all_runs/wasm__$$f.out | cut -d\ -f1`; \ h2=`shasum -a 256 "$$ref" | cut -d\ -f1`; \ if [ "$$h1" = "$$h2" ]; then \ printf " SHA256 MATCH: %s\n" "$$h1"; \ else \ printf " SHA256 MISMATCH: wasm=%s ref=%s\n" "$$h1" "$$h2"; \ fi; \ else \ printf " ref missing: %s\n" "$$ref"; \ fi; \ fi; \ done' .PHONY: run_ref_tests run_ref_tests: run_ref_c_tests run_ref_wasm_tests @echo "Completed C+WASM reference test suites" .PHONY: run_wasm_roundtrip run_wasm_roundtrip: dist/zlib-streams-dev.wasm @echo "Running wasm roundtrip tests over tmp/all_runs/roundtrip_input*" @mkdir -p tmp/all_runs # populate tmp/all_runs with canonical roundtrip inputs @cp -f test/ref-data/roundtrip_inputs/roundtrip_input.txt tmp/all_runs/roundtrip_input.txt @cp -f test/ref-data/roundtrip_inputs/roundtrip_input1.txt tmp/all_runs/roundtrip_input1.txt @cp -f test/ref-data/roundtrip_inputs/roundtrip_input3.bin tmp/all_runs/roundtrip_input3.bin @sh -c '\ for p in tmp/all_runs/roundtrip_input*; do \ [ -f "$$p" ] || continue; \ f=$$(basename "$$p"); \ printf "\nInput: %s\n" "$$f"; \ rm -f tmp/all_runs/roundtrip_out__$$f; \ node src/wasm/tests/test_round_trip_stream.js dist/zlib-streams-dev.wasm "$$p" tmp/all_runs/roundtrip_out__$$f 2>&1 | sed -n '1,200p'; \ rc=$$?; \ if [ $$rc -eq 0 ]; then \ printf " OK: %s\n" "$$f"; \ else \ printf " FAIL (rc=%s): %s\n" "$$rc" "$$f"; \ fi; \ done' .PHONY: run_wasm_roundtrip_mem run_wasm_roundtrip_mem: dist/zlib-streams-dev.wasm @echo "Running wasm roundtrip (in-memory) tests over tmp/all_runs/roundtrip_input*" @mkdir -p tmp/all_runs @sh -c '\ for p in tmp/all_runs/roundtrip_input*; do \ [ -f "$$p" ] || continue; \ f=$$(basename "$$p"); \ printf "\nInput: %s\n" "$$f"; \ node src/wasm/tests/test_round_trip_stream_mem.js dist/zlib-streams-dev.wasm "$$p" 2>&1 | sed -n "1,200p"; \ rc=$$?; \ if [ $$rc -eq 0 ]; then \ printf " OK: %s\n" "$$f"; \ else \ printf " FAIL (rc=%s): %s\n" "$$rc" "$$f"; \ fi; \ done' .PHONY: run_transform_roundtrip run_transform_roundtrip: dist/zlib-streams-dev.wasm @echo "Running TransformStream roundtrip test" @node src/wasm/tests/test_transform_roundtrip.js dist/zlib-streams-dev.wasm .PHONY: deno_run_tests deno_run_tests: @echo "Running Deno test suite (deno/run_all_tests.sh)" @chmod +x deno/run_all_tests.sh || true @./deno/run_all_tests.sh dist/zlib-streams.wasm .PHONY: run_inflate9_roundtrip_all run_inflate9_roundtrip_all: dist/zlib-streams-dev.wasm @echo "Running inflate9 roundtrip over deflate64 payloads" @node src/wasm/tests/test_inflate9_roundtrip_all.js dist/zlib-streams-dev.wasm .PHONY: test_decompressionstream_inflate9 test_decompressionstream_inflate9: dist/zlib-streams-dev.wasm @echo "Testing DecompressionStreamZlib against native inflate9 for deflate64 payloads" @node src/wasm/tests/test_decompressionstream_inflate9.js dist/zlib-streams-dev.wasm # Single target to run the main wasm/TransformStream tests used during development .PHONY: run_all_tests run_all_tests: dist/zlib-streams-dev.wasm @echo "Running all wasm TransformStream tests" @$(MAKE) run_ref_wasm_tests @$(MAKE) run_wasm_roundtrip # Additional roundtrip tests not covered by the generic runners @node src/wasm/tests/test_round_trip_stream_deflate.js dist/zlib-streams-dev.wasm @node src/wasm/tests/test_round_trip_stream_gzip.js dist/zlib-streams-dev.wasm @mkdir -p tmp/all_runs # Ensure a raw-deflate test input exists (create from a repeated pattern) @node -e "const fs=require('fs'), z=require('zlib'); fs.writeFileSync('tmp/all_runs/roundtrip_input3.bin', z.deflateRawSync(Buffer.alloc(24000, 'x')));" @node src/wasm/tests/test_inflate_stream.js dist/zlib-streams-dev.wasm tmp/all_runs/roundtrip_input3.bin tmp/all_runs/inflate_stream_out.bin # CLI helper run (small sample) for regressions/throughput checks @node src/wasm/tests/run_roundtrip_cli.js deflate 24000 dist/zlib-streams-dev.wasm @$(MAKE) run_transform_roundtrip @$(MAKE) test_decompressionstream_inflate9 @echo "Completed run_all_tests" dist/zlib-streams-dev.wasm: $(WASM_SRCS) @echo "Building $@ using $(EMCC)" @mkdir -p dist $(EMCC) $(WASM_SRCS) $(WASM_CFLAGS) -s WASM=1 -s STANDALONE_WASM=1 --no-entry \ -s EXPORTED_FUNCTIONS='["_inflate9_new","_inflate9_init","_inflate9_init_raw","_inflate9_process","_inflate9_end","_inflate9_last_consumed","_inflate_new","_inflate_init","_inflate_init_raw","_inflate_init_gzip","_inflate_process","_inflate_end","_inflate_last_consumed","_deflate_new","_deflate_init","_deflate_init_raw","_deflate_init_gzip","_deflate_process","_deflate_end","_deflate_last_consumed","_malloc","_free"]' \ -o $@ cp src/wasm/api/zlib-streams.js dist/zlib-streams.js # Production-optimized wasm: smaller build with -Oz and no extra runtime methods. .PHONY: wasm_prod wasm_prod: dist/zlib-streams.wasm dist/zlib-streams.wasm: $(WASM_SRCS) @echo "Building production wasm $@ using $(EMCC)" @mkdir -p dist $(EMCC) $(WASM_SRCS) $(WASM_CFLAGS) -Oz -flto -s WASM=1 -s STANDALONE_WASM=1 --no-entry \ -s FILESYSTEM=0 -s DISABLE_EXCEPTION_CATCHING=1 \ -s EXPORTED_FUNCTIONS='["_inflate9_new","_inflate9_init","_inflate9_init_raw","_inflate9_process","_inflate9_end","_inflate9_last_consumed","_inflate_new","_inflate_init","_inflate_init_raw","_inflate_init_gzip","_inflate_process","_inflate_end","_inflate_last_consumed","_deflate_new","_deflate_init","_deflate_init_raw","_deflate_init_gzip","_deflate_process","_deflate_end","_deflate_last_consumed","_malloc","_free"]' \ -o $@ cp src/wasm/api/zlib-streams.js dist/zlib-streams.js @which wasm-opt >/dev/null 2>&1 && { echo "Running wasm-opt -Oz --enable-bulk-memory-opt"; wasm-opt -Oz --enable-bulk-memory-opt -o $@ $@ || true; } || true # ----------------------------------------------------------------------------- # Optional generator: build a C++ tool that creates Deflate64 ZIPs using the # 7-Zip SDK. This target is guarded: it only compiles when the SDK is present # at src/7zip. The generator is not built by default. # ----------------------------------------------------------------------------- CXX ?= g++ CXXFLAGS = -std=c++17 -I./src -I./src/7zip -O2 SDK_ROOT = src/7zip/CPP/7zip # Guard building the SDK-backed generator. Set ENABLE_SDK_GENERATOR=1 to # attempt compilation. By default, we skip to avoid platform-specific SDK # build errors on non-Windows hosts. ENABLE_SDK_GENERATOR ?= 0 # Only require the heavy SDK archive when we actually plan to build the # SDK-backed generator. This avoids building the SDK object archive when # the generator is being built in CLI-only mode. SDK_PREREQS := $(if $(filter 1,$(ENABLE_SDK_GENERATOR)),build/lib7zip.a,) # Minimal curated list of SDK sources required to build a Zip creator that # uses compress/deflate/deflate64. This avoids compiling UI/Explorer/Windows # specific code which fails on non-Windows hosts. Add more files here if # the linker reports missing symbols. SDK_FAST_SRCS = \ $(SDK_ROOT)/Archive/Zip/ZipAddCommon.cpp \ $(SDK_ROOT)/Archive/Zip/ZipHandler.cpp \ $(SDK_ROOT)/Archive/Zip/ZipHandlerOut.cpp \ $(SDK_ROOT)/Archive/Zip/ZipIn.cpp \ $(SDK_ROOT)/Archive/Zip/ZipItem.cpp \ $(SDK_ROOT)/Archive/Zip/ZipOut.cpp \ $(SDK_ROOT)/Archive/Zip/ZipRegister.cpp \ $(SDK_ROOT)/Archive/Zip/ZipUpdate.cpp \ $(SDK_ROOT)/Common/CreateCoder.cpp \ $(SDK_ROOT)/../Common/MyString.cpp \ $(SDK_ROOT)/../Common/StringConvert.cpp \ $(SDK_ROOT)/../Common/UTFConvert.cpp \ $(SDK_ROOT)/../Common/IntToString.cpp \ $(SDK_ROOT)/../Common/MyWindows.cpp \ $(SDK_ROOT)/Common/StreamObjects.cpp \ $(SDK_ROOT)/Common/OutMemStream.cpp \ $(SDK_ROOT)/Common/OutBuffer.cpp \ $(SDK_ROOT)/Common/InBuffer.cpp \ $(SDK_ROOT)/Common/InOutTempBuffer.cpp \ $(SDK_ROOT)/Common/StreamUtils.cpp \ $(SDK_ROOT)/Common/OffsetStream.cpp \ $(SDK_ROOT)/Common/FileStreams.cpp \ $(SDK_ROOT)/Common/CWrappers.cpp \ $(SDK_ROOT)/Common/FilterCoder.cpp \ $(SDK_ROOT)/Compress/CopyCoder.cpp \ $(SDK_ROOT)/Compress/DeflateRegister.cpp \ $(SDK_ROOT)/Compress/DeflateEncoder.cpp \ $(SDK_ROOT)/Compress/DeflateDecoder.cpp \ $(SDK_ROOT)/Compress/LzOutWindow.cpp \ $(SDK_ROOT)/Compress/Deflate64Register.cpp \ $(SDK_ROOT)/../Windows/FileIO.cpp \ $(SDK_ROOT)/../Windows/FileFind.cpp \ $(SDK_ROOT)/../Windows/FileName.cpp \ $(SDK_ROOT)/../Windows/FileMapping.cpp \ $(SDK_ROOT)/../Windows/System.cpp \ $(SDK_ROOT)/../Windows/TimeUtils.cpp \ $(SDK_ROOT)/../Windows/PropVariant.cpp \ $(SDK_ROOT)/../Windows/PropVariantConv.cpp \ $(SDK_ROOT)/../Windows/MemoryGlobal.cpp \ $(SDK_ROOT)/../Windows/MemoryLock.cpp \ $(SDK_ROOT)/../Windows/SystemInfo.cpp SDK_C_SRCS := $(wildcard src/7zip/C/*.c) SDK_C_OBJS := $(patsubst src/7zip/C/%.c,build/7zip/C/%.o,$(SDK_C_SRCS)) SDK_CPP := $(shell [ -d src/7zip ] && [ "$(ENABLE_SDK_GENERATOR)" -eq "1" ] && echo $(SDK_FAST_SRCS) || echo) SDK_OBJS := $(patsubst $(SDK_ROOT)/%.cpp,build/7zip/%.o,$(SDK_CPP)) # Any extra non-SDK .cpp sources that should be compiled into the SDK archive SDK_EXTRA_SRCS := src/generator/sdk_deflate64.cpp \ src/generator/win_compat.cpp \ src/generator/com_shims.cpp \ src/generator/sdk_shims.cpp SDK_EXTRA_OBJS := $(patsubst src/%.cpp,build/7zip/%.o,$(SDK_EXTRA_SRCS)) build/lib7zip.a: $(SDK_OBJS) $(SDK_C_OBJS) $(SDK_EXTRA_OBJS) @echo "Archiving SDK objects -> $@" @mkdir -p $(dir $@) @ar rcs $@ $(SDK_OBJS) $(SDK_C_OBJS) $(SDK_EXTRA_OBJS) # Rule to build SDK sources (in-tree) build/7zip/%.o: $(SDK_ROOT)/%.cpp @echo "CXX sdk $< -> $@" @mkdir -p $(dir $@) $(CXX) $(CXXFLAGS) -I./src/7zip/CPP -I./src/7zip/CPP/7zip -I./src/generator -include src/generator/compat_prefix.h -c $< -o $@ # Rule to build extra local cpp sources into the SDK object tree build/7zip/%.o: %.cpp @echo "CXX local $< -> $@" @mkdir -p $(dir $@) $(CXX) $(CXXFLAGS) -I./src/7zip/CPP -I./src/7zip/CPP/7zip -c $< -o $@ # Rule to build C sources from src/7zip/C into the SDK object tree build/7zip/C/%.o: $(SDK_ROOT)/../../C/%.c @echo "CC sdk C $< -> $@" @mkdir -p $(dir $@) $(CC) $(CFLAGS) -I./src/7zip/C -I./src/7zip/CPP -I./src/7zip/CPP/7zip -c $< -o $@ # specific rule for sources under src/generator build/7zip/generator/%.o: src/generator/%.cpp @echo "CXX gen $< -> $@" @mkdir -p $(dir $@) $(CXX) $(CXXFLAGS) -I./src/7zip/CPP -I./src/7zip/CPP/7zip -c $< -o $@ generator: $(SDK_PREREQS) @if [ "$(ENABLE_SDK_GENERATOR)" -ne "1" ]; then \ mkdir -p bin; \ echo "Building CLI-only generator (requires '7z' in PATH)"; \ $(CXX) $(CXXFLAGS) -o bin/create_deflate64 src/generator/create_deflate64.cpp || (echo "generator build failed"; exit 1); \ echo "built bin/create_deflate64"; \ else \ if [ -d src/7zip ]; then \ mkdir -p bin; \ echo "Building SDK-backed generator and linking with SDK library"; \ $(CXX) $(CXXFLAGS) -DUSE_7ZIP_SDK -I./src/7zip/CPP -I./src/7zip/CPP/7zip -o bin/create_deflate64 src/generator/create_deflate64.cpp build/7zip/Compress/Deflate64Register.o build/lib7zip.a || (echo "generator build failed"; exit 1); \ echo "built bin/create_deflate64"; \ else \ echo "skipping generator build: src/7zip not present (run 'make src/7zip' to fetch)"; \ fi; \ fi # Helper: download and extract 7-Zip SDK into src/7zip .PHONY: src/7zip src/7zip: @echo "Downloading 7-Zip LZMA SDK and extracting into src/7zip"; @mkdir -p tmp @test -f tmp/lzma2501.7z || curl -sSL -o tmp/lzma2501.7z https://7-zip.org/a/lzma2501.7z @mkdir -p src @rm -rf src/7zip @echo "Extracting tmp/lzma2501.7z -> src/7zip"; @mkdir -p src/7zip @command -v 7z >/dev/null 2>&1 || (echo "7z not found: install p7zip to extract the SDK or extract tmp/lzma2501.7z manually"; exit 1) @7z x -y -otmp tmp/lzma2501.7z >/dev/null 2>&1 || (echo "failed to extract SDK with 7z"; exit 1) @# The archive contains a 7zip folder; move it to src/7zip/CPP @if [ -d tmp/CPP ]; then mv tmp/CPP src/7zip/CPP; elif [ -d tmp/7z ]; then mv tmp/7z src/7zip/CPP; else mv tmp/* src/7zip/CPP 2>/dev/null || true; fi @echo "SDK extracted to src/7zip/CPP"