1 files changed, 38 insertions, 0 deletions
diff --git a/corebinutils/date/GNUmakefile b/corebinutils/date/GNUmakefile
new file mode 100644
index 0000000000..1bc7285d14
--- /dev/null
+++ b/corebinutils/date/GNUmakefile
@@ -0,0 +1,38 @@
+.DEFAULT_GOAL := all
+
+CC ?= cc
+CPPFLAGS += -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700
+CFLAGS ?= -O2
+CFLAGS += -std=c17 -g -Wall -Wextra -Wno-unused-parameter
+LDFLAGS ?=
+LDLIBS ?=
+
+OBJDIR := $(CURDIR)/build
+OUTDIR := $(CURDIR)/out
+TARGET := $(OUTDIR)/date
+OBJS := $(OBJDIR)/date.o $(OBJDIR)/vary.o
+
+.PHONY: all clean dirs test status
+
+all: $(TARGET)
+
+dirs:
+	@mkdir -p "$(OBJDIR)" "$(OUTDIR)"
+
+$(TARGET): $(OBJS) | dirs
+	$(CC) $(LDFLAGS) -o "$@" $(OBJS) $(LDLIBS)
+
+$(OBJDIR)/date.o: $(CURDIR)/date.c $(CURDIR)/vary.h | dirs
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c "$(CURDIR)/date.c" -o "$@"
+
+$(OBJDIR)/vary.o: $(CURDIR)/vary.c $(CURDIR)/vary.h | dirs
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c "$(CURDIR)/vary.c" -o "$@"
+
+test: $(TARGET)
+	DATE_BIN="$(TARGET)" sh "$(CURDIR)/tests/test.sh"
+
+status:
+	@printf '%s\n' "$(TARGET)"
+
+clean:
+	@rm -rf "$(CURDIR)/build" "$(CURDIR)/out"