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macOS ARM support for f3probe #279

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349df9a
f3probe: port the device backend to macOS (Apple Silicon) — UNVALIDATED
May 31, 2026
f23d825
spike: add --real-size to aim the aliasing write at the wrap boundary
May 31, 2026
21a1152
fix: F_FULLFSYNC is invalid on a raw disk node (ENOTTY) — use DKIOCSY…
May 31, 2026
4e0f2ce
PORT-LOG: record Phase 1 cache-defeat PASS on the limbo card
May 31, 2026
22280b0
libdevs(darwin): print offset/errno/alignment on raw I/O failure
May 31, 2026
93bccaf
libdevs(darwin): use sysconf(_SC_PAGESIZE), not getpagesize()
May 31, 2026
cfb9043
PORT-LOG: Phase 4 verdict MATCH on the limbo card (+ determinism caveat)
May 31, 2026
e11552c
docs: Phase 5 determinism PASS; state honest validation scope
May 31, 2026
a8d7e07
libdevs(darwin): handle write-protected cards; explain root EACCES
Jun 4, 2026
1e47a00
Drop development artifacts for macOS port
Jun 4, 2026
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23 changes: 20 additions & 3 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,30 @@ ifneq ($(OS), Linux)
ARGP = /usr/local
ifeq ($(OS), Darwin)
ifneq ($(shell command -v brew),)
ARGP = $(shell brew --prefix)
# Apple Silicon Homebrew lives under /opt/homebrew; Intel under
# /usr/local. `brew --prefix` resolves either. Prefer the
# argp-standalone keg path when present (it is more robust if the
# formula is keg-only), else fall back to the Homebrew prefix.
ARGP = $(shell brew --prefix argp-standalone 2>/dev/null || brew --prefix)
endif
endif
CFLAGS += -I$(ARGP)/include
LDFLAGS += -L$(ARGP)/lib -largp
endif

# libudev is Linux-only; f3probe's Darwin backend does not use it.
ifeq ($(OS), Linux)
UDEV_LIBS = -ludev
else
UDEV_LIBS =
endif

# Among the "extra" tools, only f3probe is ported to macOS: f3brew needs
# libudev and f3fix needs libparted, both out of scope on Darwin.
ifeq ($(OS), Darwin)
EXTRA_TARGETS = $(BUILD_DIR)/f3probe
endif

all: $(TARGETS)
extra: $(EXTRA_TARGETS)

Expand Down Expand Up @@ -64,10 +81,10 @@ $(BUILD_DIR)/f3read: $(BUILD_DIR)/libutils.o $(BUILD_DIR)/libfile.o $(BUILD_DIR)
$(CC) -o $@ $^ $(LDFLAGS) -lm

$(BUILD_DIR)/f3probe: $(BUILD_DIR)/libutils.o $(BUILD_DIR)/libflow.o $(BUILD_DIR)/libdevs.o $(BUILD_DIR)/libprobe.o $(BUILD_DIR)/f3probe.o
$(CC) -o $@ $^ $(LDFLAGS) -lm -ludev
$(CC) -o $@ $^ $(LDFLAGS) -lm $(UDEV_LIBS)

$(BUILD_DIR)/f3brew: $(BUILD_DIR)/libutils.o $(BUILD_DIR)/libflow.o $(BUILD_DIR)/libdevs.o $(BUILD_DIR)/f3brew.o
$(CC) -o $@ $^ $(LDFLAGS) -lm -ludev
$(CC) -o $@ $^ $(LDFLAGS) -lm $(UDEV_LIBS)

$(BUILD_DIR)/f3fix: $(BUILD_DIR)/libutils.o $(BUILD_DIR)/f3fix.o
$(CC) -o $@ $^ $(LDFLAGS) -lparted
Expand Down
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