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.DEFAULT_GOAL := all
CC ?= cc
CPPFLAGS += -D_GNU_SOURCE
CFLAGS ?= -O2
CFLAGS += -std=c17 -g -Wall -Wextra -Werror
LDFLAGS ?=
LDLIBS ?=
OBJDIR := $(CURDIR)/build
OUTDIR := $(CURDIR)/out
TARGET := $(OUTDIR)/hostname
OBJS := $(OBJDIR)/hostname.o
.PHONY: all clean dirs status test
all: $(TARGET)
dirs:
@mkdir -p "$(OBJDIR)" "$(OUTDIR)"
$(TARGET): $(OBJS) | dirs
$(CC) $(LDFLAGS) -o "$@" $(OBJS) $(LDLIBS)
$(OBJDIR)/hostname.o: $(CURDIR)/hostname.c | dirs
$(CC) $(CPPFLAGS) $(CFLAGS) -c "$(CURDIR)/hostname.c" -o "$@"
test: $(TARGET)
CC="$(CC)" HOSTNAME_BIN="$(TARGET)" sh "$(CURDIR)/tests/test.sh"
status:
@printf '%s\n' "$(TARGET)"
clean:
@rm -rf "$(OBJDIR)" "$(OUTDIR)"
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