2026-09-14 05:44:08 +00:00
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# Makefile — PackFS
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#
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# Builds the static and shared library from src/, plus the test binaries
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# under tests/. See CLAUDE.md for the project's static-linking constraint
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# (Section 11.1 of concept.md): the core here has zero required
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# third-party dependencies; it links only against the platform C library,
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# pthread, and (on Linux) direct kernel syscalls for openat2/Landlock.
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CC ?= cc
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AR ?= ar
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PREFIX ?= /usr/local
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CFLAGS ?= -std=c11 -Wall -Wextra -Wpedantic -O2 -g -fPIC
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CFLAGS += -Iinclude -Isrc -D_GNU_SOURCE
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LDLIBS := -lpthread
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2026-09-14 10:58:35 +00:00
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# Single source of truth: PACKFS_VERSION_STRING in include/packfs.h.
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# packfs.pc is generated from it, never hand-maintained separately.
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VERSION := $(shell grep -m1 'define PACKFS_VERSION_STRING' include/packfs.h | sed -E 's/.*"([^"]+)".*/\1/')
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2026-09-14 05:44:08 +00:00
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SRC := $(wildcard src/*.c)
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OBJ := $(SRC:.c=.o)
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STATIC_LIB := libpackfs.a
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SONAME := libpackfs.so.0
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SHARED_LIB := libpackfs.so
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TEST_SRC := $(wildcard tests/test_*.c)
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TEST_BIN := $(TEST_SRC:tests/%.c=build/%)
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2026-09-14 07:40:42 +00:00
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.PHONY: all static shared test demo bench clean install uninstall
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2026-09-14 05:44:08 +00:00
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all: static shared
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static: $(STATIC_LIB)
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shared: $(SHARED_LIB)
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$(STATIC_LIB): $(OBJ)
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$(AR) rcs $@ $(OBJ)
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$(SHARED_LIB): $(OBJ)
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$(CC) -shared -Wl,-soname,$(SONAME) -o $(SONAME) $(OBJ) $(LDLIBS)
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ln -sf $(SONAME) $(SHARED_LIB)
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%.o: %.c src/internal.h include/packfs.h
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$(CC) $(CFLAGS) -c $< -o $@
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build:
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mkdir -p build
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build/%: tests/%.c $(STATIC_LIB) | build
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$(CC) $(CFLAGS) $< $(STATIC_LIB) $(LDLIBS) -o $@
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test: $(TEST_BIN)
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@set -e; for t in $(TEST_BIN); do echo "-- $$t --"; $$t; done
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build/packfs_demo: examples/demo.c $(STATIC_LIB) | build
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$(CC) $(CFLAGS) $< $(STATIC_LIB) $(LDLIBS) -o $@
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demo: build/packfs_demo
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./build/packfs_demo
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2026-09-14 07:40:42 +00:00
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build/packfs_bench: bench/bench.c $(STATIC_LIB) | build
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$(CC) $(CFLAGS) $< $(STATIC_LIB) $(LDLIBS) -o $@
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bench: build/packfs_bench
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./build/packfs_bench
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2026-09-14 05:44:08 +00:00
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clean:
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2026-09-14 10:58:35 +00:00
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rm -f src/*.o $(STATIC_LIB) $(SHARED_LIB) $(SONAME) packfs.pc
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2026-09-14 05:44:08 +00:00
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rm -rf build
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2026-09-14 10:58:35 +00:00
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packfs.pc: packfs.pc.in
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sed -e 's|@PREFIX@|$(PREFIX)|g' -e 's|@VERSION@|$(VERSION)|g' packfs.pc.in > packfs.pc
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install: static shared packfs.pc
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install -d $(DESTDIR)$(PREFIX)/lib $(DESTDIR)$(PREFIX)/include $(DESTDIR)$(PREFIX)/lib/pkgconfig
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install -m 644 $(STATIC_LIB) $(DESTDIR)$(PREFIX)/lib/
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install -m 755 $(SONAME) $(DESTDIR)$(PREFIX)/lib/
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ln -sf $(SONAME) $(DESTDIR)$(PREFIX)/lib/$(SHARED_LIB)
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install -m 644 include/packfs.h $(DESTDIR)$(PREFIX)/include/
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2026-09-14 10:58:35 +00:00
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install -m 644 packfs.pc $(DESTDIR)$(PREFIX)/lib/pkgconfig/
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2026-09-14 05:44:08 +00:00
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uninstall:
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rm -f $(DESTDIR)$(PREFIX)/lib/$(STATIC_LIB) $(DESTDIR)$(PREFIX)/lib/$(SONAME) $(DESTDIR)$(PREFIX)/lib/$(SHARED_LIB)
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rm -f $(DESTDIR)$(PREFIX)/include/packfs.h
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2026-09-14 10:58:35 +00:00
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rm -f $(DESTDIR)$(PREFIX)/lib/pkgconfig/packfs.pc
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