From a68d8735e0a2804fa13e07738b0c63bd153179dd Mon Sep 17 00:00:00 2001
From: GreatEmerald <pastas4@gmail.com>
Date: Sun, 16 Nov 2014 15:51:24 +0200
Subject: [PATCH 1/2] Allow building LuaD as a shared library

Off by default, enable with LIB=shared
---
 Makefile | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 9266866..10c9503 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 MODEL ?= $(shell getconf LONG_BIT)
 BUILD ?= debug
 LUA ?= lua
+LIB ?= static
 
 ifneq ($(MODEL), 32)
 	ifneq ($(MODEL), 64)
@@ -20,6 +21,12 @@ ifeq ($(LUA), )
 	$(error No Lua library set)
 endif
 
+ifneq ($(LIB), static)
+	ifneq ($(LIB), shared)
+		$(error Unknown library type: $(LIB))
+	endif
+endif
+
 DFLAGS = -w -wi -ignore -m$(MODEL)
 
 ifeq ($(BUILD), release)
@@ -41,7 +48,11 @@ else
 	else
 		LUAD_NAME = libluad
 	endif
-	LUAD_OUTPUT = lib/$(LUAD_NAME).a
+	ifeq ($(LIB), static)
+		LUAD_OUTPUT = lib/$(LUAD_NAME).a
+	else
+		LUAD_OUTPUT = lib/$(LUAD_NAME).so
+	endif
 endif
 
 all: $(LUAD_OUTPUT)
@@ -49,8 +60,9 @@ all: $(LUAD_OUTPUT)
 clean:
 	-rm -f lib/$(LUAD_NAME).o
 	-rm -f lib/$(LUAD_NAME).a
-	-rm -f lib/$(LUAD_NAME).deps
-	-rm -f lib/$(LUAD_NAME).json
+	-rm -f lib/$(LUAD_NAME).so
+	-rm -f $(wildcard lib/libluad*.deps)
+	-rm -f $(wildcard lib/libluad*.json)
 	-rm -f $(wildcard lib/luad.*.lst)
 	-rm -f test/luad_unittest
 	-rm -f test/luad_unittest.o
@@ -59,7 +71,11 @@ clean:
 LUAD_DFLAGS = $(DFLAGS) -L-l$(LUA)
 
 ifneq ($(BUILD), test)
-	LUAD_DFLAGS += -lib -X -Xf"lib/libluad.json" -deps="lib/libluad.deps"
+	ifeq ($(LIB), static)
+		LUAD_DFLAGS += -lib -X -Xf"lib/libluad.json" -deps="lib/libluad.deps"
+	else
+		LUAD_DFLAGS += -shared -fPIC -defaultlib=libphobos2.so -X -Xf"lib/libluad.json" -deps="lib/libluad.deps"
+	endif
 else
 	LUAD_DFLAGS += -version=luad_unittest_main
 endif
@@ -72,6 +88,14 @@ lib/libluad-d.a: $(LUAD_SOURCES)
 	if ! test -d lib; then mkdir lib; fi
 	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);
 
+lib/libluad.so: $(LUAD_SOURCES)
+	if ! test -d lib; then mkdir lib; fi
+	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);
+
+lib/libluad-d.so: $(LUAD_SOURCES)
+	if ! test -d lib; then mkdir lib; fi
+	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);
+
 test/luad_unittest: $(LUAD_SOURCES)
 	if ! test -d test; then mkdir test; fi
 	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);

From 613e2224bab4ef9616bb50f20ca4a71e519b41be Mon Sep 17 00:00:00 2001
From: GreatEmerald <pastas4@gmail.com>
Date: Mon, 24 Nov 2014 22:47:50 +0200
Subject: [PATCH 2/2] Add support for SONAME in the shared library build

Set to .0, and the real name set to .0.0.0 due to the lack of actual
releases.
---
 Makefile | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 10c9503..168b9a9 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@ all: $(LUAD_OUTPUT)
 clean:
 	-rm -f lib/$(LUAD_NAME).o
 	-rm -f lib/$(LUAD_NAME).a
-	-rm -f lib/$(LUAD_NAME).so
+	-rm -f $(wildcard lib/$(LUAD_NAME).so*)
 	-rm -f $(wildcard lib/libluad*.deps)
 	-rm -f $(wildcard lib/libluad*.json)
 	-rm -f $(wildcard lib/luad.*.lst)
@@ -74,7 +74,7 @@ ifneq ($(BUILD), test)
 	ifeq ($(LIB), static)
 		LUAD_DFLAGS += -lib -X -Xf"lib/libluad.json" -deps="lib/libluad.deps"
 	else
-		LUAD_DFLAGS += -shared -fPIC -defaultlib=libphobos2.so -X -Xf"lib/libluad.json" -deps="lib/libluad.deps"
+		LUAD_DFLAGS += -shared -fPIC -defaultlib=libphobos2.so -L-soname=$(LUAD_NAME).so.0 -X -Xf"lib/libluad.json" -deps="lib/libluad.deps"
 	endif
 else
 	LUAD_DFLAGS += -version=luad_unittest_main
@@ -88,11 +88,13 @@ lib/libluad-d.a: $(LUAD_SOURCES)
 	if ! test -d lib; then mkdir lib; fi
 	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);
 
-lib/libluad.so: $(LUAD_SOURCES)
-	if ! test -d lib; then mkdir lib; fi
-	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);
+lib/libluad.so lib/libluad-d.so: lib/$(LUAD_NAME).so.0
+	ln -sf $(LUAD_NAME).so.0 $@
+
+lib/libluad.so.0 lib/libluad-d.so.0: lib/$(LUAD_NAME).so.0.0.0
+	ln -sf $(LUAD_NAME).so.0.0.0 $@
 
-lib/libluad-d.so: $(LUAD_SOURCES)
+lib/libluad.so.0.0.0 lib/libluad-d.so.0.0.0: $(LUAD_SOURCES)
 	if ! test -d lib; then mkdir lib; fi
 	dmd $(LUAD_DFLAGS) -of$@ $(LUAD_SOURCES);