From 2f97ef57d330df4047cf14f5d3f854df1b75e8e0 Mon Sep 17 00:00:00 2001
From: Peter Reijnders <Peter.Reijnders@verpeteren.nl>
Date: Tue, 27 Jan 2015 15:05:53 +0100
Subject: [PATCH] Change Makefile to differentiate between static and shared
 library

Previously, just the static libraries (libwren*.a) were created. In the Makefile documentation these were mentioned in the comments as shared.
Now both variants will be created.
---
 .gitignore |  4 +++-
 Makefile   | 22 +++++++++++++++-------
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/.gitignore b/.gitignore
index 02fbb5f0..8830ad32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,8 @@ wrend
 wren-cpp
 libwren.a
 libwrend.a
+libwren.so
+libwrend.so
 libwren-cpp.a
 
 # XCode user-specific stuff.
@@ -23,4 +25,4 @@ benchmark/baseline.txt
 
 # built docs get copied here, which is presumed to be a separate checkout of
 # the repo so they can be pushed to GitHub Pages.
-gh-pages/
\ No newline at end of file
+gh-pages/
diff --git a/Makefile b/Makefile
index 32d86a10..153ef4cc 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ SOURCES := $(wildcard src/*.c)
 HEADERS := $(wildcard src/*.h)
 OBJECTS := $(SOURCES:.c=.o)
 
-# Don't include main.c in the shared library.
+# Don't include main.c in the libraries.
 DEBUG_OBJECTS := $(addprefix build/debug/, $(notdir $(OBJECTS)))
 RELEASE_OBJECTS := $(addprefix build/release/, $(notdir $(OBJECTS)))
 RELEASE_CPP_OBJECTS := $(addprefix build/release-cpp/, $(notdir $(OBJECTS)))
@@ -38,18 +38,22 @@ RELEASE_CPP_LIB_OBJECTS := $(subst build/release-cpp/main.o,,$(RELEASE_CPP_OBJEC
 all: release
 
 clean:
-	@rm -rf build wren wrend libwren.a libwrend.a
+	@rm -rf build wren wrend libwren.a libwrend.a libwren.so libwrend.so
 
 prep:
 	@mkdir -p build/debug build/release build/release-cpp
 
 # Debug build.
-debug: prep wrend libwrend.a
+debug: prep wrend libwrend.a libwrend.so
 
-# Debug shared library.
+# Debug static library.
 libwrend.a: $(DEBUG_LIB_OBJECTS)
 	$(AR) $@ $^
 
+# Debug shared library.
+libwrend.so: $(DEBUG_LIB_OBJECTS)
+	$(CC) $(DEBUG_CFLAGS) -shared -Wl,-soname,$@ -o $@ $^
+
 # Debug command-line interpreter.
 wrend: $(DEBUG_OBJECTS)
 	$(CC) $(CFLAGS) $(DEBUG_CFLAGS) -Iinclude -o $@ $^ -lm
@@ -59,12 +63,16 @@ build/debug/%.o: src/%.c include/wren.h $(HEADERS)
 	$(CC) -c $(CFLAGS) $(DEBUG_CFLAGS) -Iinclude -o $@ $<
 
 # Release build.
-release: prep wren libwren.a
+release: prep wren libwren.a libwren.so
 
-# Release shared library.
+# Release static library.
 libwren.a: $(RELEASE_LIB_OBJECTS)
 	$(AR) $@ $^
 
+# Release shared library.
+libwren.so: $(RELEASE_LIB_OBJECTS)
+	$(CC) $(RELEASE_CFLAGS) -shared -Wl,-soname,$@ -o $@ $^
+
 # Release command-line interpreter.
 wren: $(RELEASE_OBJECTS)
 	$(CC) $(CFLAGS) $(RELEASE_CFLAGS) -Iinclude -o $@ $^ -lm
@@ -76,7 +84,7 @@ build/release/%.o: src/%.c include/wren.h $(HEADERS)
 # Release C++ build.
 release-cpp: prep wren-cpp libwren-cpp.a
 
-# Release C++ shared lib
+# Release C++ static lib
 libwren-cpp.a: $(RELEASE_CPP_LIB_OBJECTS)
 	$(AR) $@ $^