Add a makefile.

Makefile

@@ -0,0 +1,36 @@
+PREFIX ?= /usr
+DESTDIR ?=
+BINDIR ?= $(DESTDIR)$(PREFIX)/bin
+LIBDIR ?= $(DESTDIR)$(PREFIX)/lib
+MANDIR ?= $(DESTDIR)$(PREFIX)/share/man/man1
+
+EGPG = $(BINDIR)/egpg
+LIB = $(LIBDIR)/egpg
+
+all: install
+
+install:
+	@install -v -d "$(BINDIR)/"
+	@install -v -m 0755 src/egpg.sh "$(EGPG)"
+	@sed -i $(EGPG) -e "s#^LIBDIR=.*#LIBDIR=\"$(LIB)\"#"
+
+	@install -v -d "$(LIB)/"
+	@cp -v -r src/platform src/ext "$(LIB)"
+
+	@install -v -d "$(MANDIR)/"
+	@install -v -m 0644 man/egpg.1 "$(MANDIR)/egpg.1"
+
+uninstall:
+	@rm -vrf "$(EGPG)" "$(LIB)" "$(MANDIR)/egpg.1"
+
+TESTS = $(sort $(wildcard tests/t*.t))
+
+test: $(TESTS)
+
+$(TESTS):
+	@$@ $(EGPG_TEST_OPTS)
+
+clean:
+	$(RM) -rf tests/test-results/ tests/trash\ directory.*/ tests/gnupg/random_seed
+
+.PHONY: install uninstall test clean $(TESTS)