makefile: add .so file

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 19 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index b550696..2195289 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,32 @@
 # bus - simple message broadcasting IPC system
 # See LICENSE file for copyright and license details.
 
+FLAGS = -std=c99 -Wall -Wextra -pedantic -O2
+
+
 all: bus
 
-bus: bin/bus
+bus: bin/bus bin/libbus.so
 
-bin/bus: obj/cmdline.o obj/bus.o
+bin/bus: obj/cmdline-nofpic.o obj/bus-nofpic.o
 	@echo CC -o $@
 	@mkdir -p bin
-	@${CC} -o $@ $^ ${LDFLAGS}
+	@${CC} ${FLAGS} -o $@ $^ ${LDFLAGS}
+
+bin/libbus.so: obj/bus-fpic.o
+	@echo CC -o $@
+	@mkdir -p bin
+	@${CC} ${FLAGS} -shared -o $@ $^ ${LDFLAGS}
+
+obj/%-nofpic.o: src/%.c src/*.h
+	@echo CC -c $@
+	@mkdir -p obj
+	@${CC} ${FLAGS} -c -o $@ ${CPPFLAGS} ${CFLAGS} $<
 
-obj/%.o: src/%.c src/*.h
-	@echo CC -c $<
+obj/%-fpic.o: src/%.c src/*.h
+	@echo CC -c $@
 	@mkdir -p obj
-	@${CC} -Wall -Wextra -pedantic -std=c99 -c -o $@ ${CPPFLAGS} ${CFLAGS} $<
+	@${CC} ${FLAGS} -fPIC -c -o $@ ${CPPFLAGS} ${CFLAGS} $<
 
 clean:
 	@echo cleaning