From 1afca4888b2ee8e49c2e4d0bef478d0728d5ed41 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Thu, 13 Aug 2020 11:21:22 +0800
Subject: add make target to build .so file.

---
 README.md | 14 +++++++++++---
 makefile  | 24 ++++++++++++++++++++++--
 2 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index ab2f857..4275320 100644
--- a/README.md
+++ b/README.md
@@ -26,13 +26,21 @@ So MoonPlus is a new code base for pushing the language to go forward and being
 
 * **Lua Module**
 
-  Install [luarocks](https://luarocks.org), a package manager for Lua modules. Then install it as a Lua module.
+&emsp;&emsp;Build `moonp.so` file with
+
+```sh
+> make shared LUAI=/usr/local/include/lua LUAL=/usr/local/lib/lua
+```
+
+&emsp;&emsp;Then get the binary file from path `bin/shared/moonp.so`.
+
+&emsp;&emsp;Or you can install [luarocks](https://luarocks.org), a package manager for Lua modules. Then install it as a Lua module with
 
 ```sh
 > luarocks install moonplus
 ```
 
-&emsp;&emsp;Require the module in Lua:
+&emsp;&emsp;Then require the module in Lua:
 
 ```Lua
 require("moonp")("main") -- require `main.moon`
@@ -54,7 +62,7 @@ f!
 
 * **Binary Tool**
 
-  Clone this repo, then build and install executable with:
+&emsp;&emsp;Clone this repo, then build and install executable with:
 
 ```sh
 > make install
diff --git a/makefile b/makefile
index 0c29230..70d6c97 100644
--- a/makefile
+++ b/makefile
@@ -79,12 +79,15 @@ release: export CXXFLAGS := $(CXXFLAGS) $(COMPILE_FLAGS) $(RCOMPILE_FLAGS)
 release: export LDFLAGS := $(LDFLAGS) $(LINK_FLAGS) $(RLINK_FLAGS)
 debug: export CXXFLAGS := $(CXXFLAGS) $(COMPILE_FLAGS) $(DCOMPILE_FLAGS)
 debug: export LDFLAGS := $(LDFLAGS) $(LINK_FLAGS) $(DLINK_FLAGS)
+shared: export CXXFLAGS := $(CXXFLAGS) $(COMPILE_FLAGS) $(RCOMPILE_FLAGS)
 
 # Build and output paths
 release: export BUILD_PATH := build/release
 release: export BIN_PATH := bin/release
 debug: export BUILD_PATH := build/debug
 debug: export BIN_PATH := bin/debug
+shared: export BUILD_PATH := build/shared
+shared: export BIN_PATH := bin/shared
 install: export BIN_PATH := bin/release
 
 # Find all source files in the source directory, sorted by most
@@ -154,7 +157,7 @@ endif
 .PHONY: release
 release: dirs
 ifeq ($(USE_VERSION), true)
-	@echo "Beginning release build v$(VERSION_STRING)"
+	@echo "Beginning release build $(VERSION_STRING)"
 else
 	@echo "Beginning release build"
 endif
@@ -168,7 +171,7 @@ endif
 .PHONY: debug
 debug: dirs
 ifeq ($(USE_VERSION), true)
-	@echo "Beginning debug build v$(VERSION_STRING)"
+	@echo "Beginning debug build $(VERSION_STRING)"
 else
 	@echo "Beginning debug build"
 endif
@@ -178,6 +181,23 @@ endif
 	@echo -n "Total build time: "
 	@$(END_TIME)
 
+$(BUILD_PATH)/moonp.so: src/MoonP/ast.cpp src/MoonP/moon_compiler.cpp src/MoonP/moon_parser.cpp src/MoonP/moonplus.cpp src/MoonP/parser.cpp
+	$(CMD_PREFIX)$(CXX) $(CXXFLAGS) -I $(SRC_PATH) -I $(LUAI) -L $(LUAL) -llua -o $@ -fPIC -shared $?
+
+# Standard, non-optimized release build
+.PHONY: shared
+shared: dirs
+ifeq ($(USE_VERSION), true)
+	@echo "Beginning release build $(VERSION_STRING)"
+else
+	@echo "Beginning release build"
+endif
+	@$(START_TIME)
+	@$(MAKE) $(BUILD_PATH)/moonp.so --no-print-directory
+	@echo -n "Total build time: "
+	@$(END_TIME)
+	@mv $(BUILD_PATH)/moonp.so $(BIN_PATH)/moonp.so
+
 # Create the directories used in the build
 .PHONY: dirs
 dirs:
-- 
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