Move sources to src and add install and clean targets to Makefile.

Makefile

@@ -1,2 +1,45 @@
+LIB = objopenssl
+LIB_MAJOR = 0
+LIB_MINOR = 0
+
+CPPFLAGS += -Wall -g
+LIBS += -lssl -lcrypto -lz
+
+includedir = ObjGnuOpenSSL
+prefix ?= /usr/local
+INSTALL ?= install
+
+LIB_PREFIX = `objfw-config --lib-prefix`
+LIB_SUFFIX = `objfw-config --lib-suffix`
+LIB_FILE = ${LIB_PREFIX}${LIB}${LIB_SUFFIX}
+
+.SILENT:
+
 all:
-	objfw-compile --lib 0.0 -o objopenssl *.m -lssl -lcrypto -lz -g -Wall
+	objfw-compile --lib ${LIB_MAJOR}.${LIB_MINOR} ${CPPFLAGS} ${LIBS} \
+		-o ${LIB} src/*.m
+
+install: install-lib install-headers
+
+install-lib: all
+	mkdir -p ${destdir}${prefix}/lib
+	export LIB_MAJOR=${LIB_MAJOR}; \
+	export LIB_MINOR=${LIB_MINOR}; \
+	echo "Installing ${LIB_FILE}..."; \
+	${INSTALL} -m 755 ${LIB_FILE} ${destdir}${prefix}/lib/${LIB_FILE}
+
+install-headers:
+	mkdir -p ${destdir}${prefix}/include/${includedir}
+	cd src && for i in *.h; do \
+		echo "Installing $$i..."; \
+		install -m 644 $$i \
+			${destdir}${prefix}/include/${includedir}/$$i; \
+	done
+
+clean:
+	export LIB_MAJOR=${LIB_MAJOR}; \
+	export LIB_MINOR=${LIB_MINOR}; \
+	for i in src/*.o ${LIB_FILE}; do \
+		echo "Deleting $$i..."; \
+		rm -f $$i; \
+	done