From 857c9212d31f4487b570c8adef15ca37a755a1b5 Mon Sep 17 00:00:00 2001
From: Mina Naguib <mina.git@naguib.ca>
Date: Thu, 3 Jun 2010 11:33:54 -0400
Subject: [PATCH] Build a shared library

---
 .gitignore |  6 +++++-
 Makefile   | 41 +++++++++++++++++++++++++----------------
 2 files changed, 30 insertions(+), 17 deletions(-)

diff --git a/.gitignore b/.gitignore
index 5761abc..ef62ee1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
-*.o
+/hiredis-test
+/hiredis-example
+/*.o
+/*.so
+/*.dylib
diff --git a/Makefile b/Makefile
index e852c03..c639c8f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,25 +2,31 @@
 # Copyright (C) 2010 Salvatore Sanfilippo <antirez at gmail dot com>
 # This file is released under the BSD license, see the COPYING file
 
+OBJ = anet.o hiredis.o sds.o
+BINS = hiredis-example hiredis-test
+
 uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
 OPTIMIZATION?=-O2
 ifeq ($(uname_S),SunOS)
-  CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -Wall -W -D__EXTENSIONS__ -D_XPG6
+  CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -fPIC -Wall -W -D__EXTENSIONS__ -D_XPG6
   CCLINK?= -ldl -lnsl -lsocket -lm -lpthread
-else
-  CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -Wall -W -Wwrite-strings $(ARCH) $(PROF)
+  DYLIBNAME?=libhiredis.so
+  DYLIB_MAKE_CMD?=gcc -shared -Wl,-soname,${DYLIBNAME} -o ${DYLIBNAME} ${OBJ}
+else ifeq ($(uname_S),Darwin)
+  CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -fPIC -Wall -W -Wwrite-strings $(ARCH) $(PROF)
   CCLINK?= -lm -pthread
+  DYLIBNAME?=libhiredis.dylib
+  DYLIB_MAKE_CMD?=libtool -dynamic -o ${DYLIBNAME} -lm ${DEBUG} - ${OBJ}
+else
+  CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -fPIC -Wall -W -Wwrite-strings $(ARCH) $(PROF)
+  CCLINK?= -lm -pthread
+  DYLIBNAME?=libhiredis.so
+  DYLIB_MAKE_CMD?=gcc -shared -Wl,-soname,${DYLIBNAME} -o ${DYLIBNAME} ${OBJ}
 endif
 CCOPT= $(CFLAGS) $(CCLINK) $(ARCH) $(PROF)
-DEBUG?= -g -rdynamic -ggdb 
+DEBUG?= -g -ggdb 
 
-OBJ = anet.o hiredis.o sds.o example.o
-TESTOBJ = anet.o hiredis.o sds.o test.o
-
-PRGNAME = hiredis-example
-TESTNAME = hiredis-test
-
-all: hiredis-example hiredis-test
+all: ${DYLIBNAME} ${BINS}
 
 # Deps (use make dep to generate this)
 anet.o: anet.c fmacros.h anet.h
@@ -30,18 +36,21 @@ hiredis.o: hiredis.c hiredis.h sds.h anet.h
 sds.o: sds.c sds.h
 hiredis.o: hiredis.c hiredis.h sds.h anet.h
 
-hiredis-example: $(OBJ)
-	$(CC) -o $(PRGNAME) $(CCOPT) $(DEBUG) $(OBJ)
+${DYLIBNAME}: ${OBJ}
+	${DYLIB_MAKE_CMD}
 
-hiredis-test: $(TESTOBJ)
-	$(CC) -o $(TESTNAME) $(CCOPT) $(DEBUG) $(TESTOBJ)
+# Binaries:
+hiredis-%: %.o ${DYLIBNAME}
+	$(CC) -o $@ $(CCOPT) $(DEBUG) -L. -l hiredis -Wl,-rpath,. $<
+
+test: hiredis-test
 	./hiredis-test
 
 .c.o:
 	$(CC) -c $(CFLAGS) $(DEBUG) $(COMPILE_TIME) $<
 
 clean:
-	rm -rf $(PRGNAME) $(TESTNAME) *.o *.gcda *.gcno *.gcov
+	rm -rf ${DYLIBNAME} $(BINS) *.o *.gcda *.gcno *.gcov
 
 dep:
 	$(CC) -MM *.c