--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- config
+++ config
@@ -1,22 +1,17 @@ 
-# Installation directories
-# System's libraries directory (where binary libraries are installed)
-LUA_LIBDIR= /usr/lib/lua/5.1
-# Lua includes directory
-LUA_INC= /usr/include/lua5.1
-
-# OS dependent
-LIB_OPTION= -shared #for Linux
-#LIB_OPTION= -bundle -undefined dynamic_lookup #for MacOS X
-
 # Lua version number (first and second digits of target version)
 LUA_VERSION_NUM= 514
-LIBNAME= $T.so
+LIBNAME = liblua$T.so
+
+# Lua flags
+LUA_CPPFLAGS = $(shell pkg-config --cflags lua)
 
-OPENSSL_LIBS= -lcrypto -lssl
-OPENSSL_INCS= -I/usr/include/openssl
+# Openssl flags
+OPENSSL_LIBS = $(shell pkg-config --libs openssl)
+OPENSSL_CPPFLAGS = $(shell pkg-config --cflags openssl)
 
 # Compilation directives
-WARN= -O2 -Wall -fPIC -W -Waggregate-return -Wcast-align -Wmissing-prototypes -Wnested-externs -Wshadow -Wwrite-strings
-INCS= -I$(LUA_INC)
-CFLAGS= -shared $(WARN) $(OPENSSL_INCS) $(INCS)
-CC= gcc
+CC ?= gcc
+CFLAGS += -Wall -fPIC -W -Waggregate-return -Wcast-align -Wmissing-prototypes -Wnested-externs -Wshadow -Wwrite-strings
+CPPFLAGS += $(OPENSSL_CPPFLAGS) $(LUA_CPPFLAGS)
+LDFLAGS += -shared -Wl,-soname,${LIBNAME}
+LIBS += $(OPENSSL_LIBS)
--- Makefile
+++ Makefile
@@ -4,6 +4,10 @@ 
 
 include $(CONFIG)
 
+PREFIX ?= /usr/local
+LIBDIR ?= lib
+LUAINCDIR = $(shell pkg-config --variable=includedir lua)
+
 OBJS= src/l$T.o
 SRCS= src/l$T.h src/l$T.c
 TESTS=tests/*.lua
@@ -11,11 +15,13 @@ 
 lib: src/$(LIBNAME)
 
 src/$(LIBNAME): $(OBJS)
-	export MACOSX_DEPLOYMENT_TARGET="10.3"; $(CC) $(CFLAGS) $(LIB_OPTION) -o src/$(LIBNAME) $(OBJS) $(OPENSSL_LIBS)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o src/$(LIBNAME) $(OBJS) $(LIBS)
 
 install: src/$(LIBNAME)
-	mkdir -p $(LUA_LIBDIR)
-	cp src/$(LIBNAME) $(LUA_LIBDIR)
+	install -d ${DESTDIR}${LUAINCDIR}
+	install -m644 src/lcrypto.h ${DESTDIR}${LUAINCDIR}/lcrypto.h
+	install -d ${DESTDIR}${PREFIX}/${LIBDIR}
+	install -m755 src/$(LIBNAME) ${DESTDIR}${PREFIX}/${LIBDIR}/$(LIBNAME)
 
 clean:
 	rm -f src/$(LIBNAME) $(OBJS) $(COMPAT_O)