From 431f2ab50aff9908892db127187f1dbd8fbdb46d Mon Sep 17 00:00:00 2001
From: Thanos Makatos <thanos.makatos@onapp.com>
Date: Wed, 6 Apr 2016 14:15:07 +0300
Subject: [PATCH] allow tmakatos (a binary) emitter to be statically compiled

It is trivial to implement static compilation of the rest of the 3rd party
emitters.
---
 Makefile.in                                 | 14 ++++++++++++-
 thin-provisioning/static_library_emitter.cc | 22 +++++++++++++++++++++
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 thin-provisioning/static_library_emitter.cc

diff --git a/Makefile.in b/Makefile.in
index 4373086..fed1756 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -92,7 +92,6 @@ SOURCE=\
 	thin-provisioning/restore_emitter.cc \
 	thin-provisioning/rmap_visitor.cc \
 	thin-provisioning/superblock.cc \
-	thin-provisioning/shared_library_emitter.cc \
 	thin-provisioning/thin_check.cc \
 	thin-provisioning/thin_delta.cc \
 	thin-provisioning/thin_dump.cc \
@@ -119,10 +118,23 @@ ifeq ("@DEVTOOLS@", "yes")
 SOURCE+=$(DEVTOOLS_SOURCE)
 endif
 
+ifeq ("@STATIC@", "yes")
+SOURCE += thin-provisioning/static_library_emitter.cc
+else
+SOURCE += thin-provisioning/shared_library_emitter.cc
+endif
+
 CC:=@CC@
 CXX:=@CXX@
 STRIP:=@STRIP@
 OBJECTS:=$(subst .cc,.o,$(SOURCE))
+
+# FIXME OBJECTS += $(PLUGIN_LIBS) doesn't work, probably because it's empty at
+# the time of use?
+ifeq ("@STATIC@", "yes")
+OBJECTS += contrib/*.a
+endif
+
 TOP_DIR:=@top_srcdir@
 TOP_BUILDDIR:=@top_builddir@
 CFLAGS+=-g -Wall -O3 -fPIC
diff --git a/thin-provisioning/static_library_emitter.cc b/thin-provisioning/static_library_emitter.cc
new file mode 100644
index 0000000..8caa507
--- /dev/null
+++ b/thin-provisioning/static_library_emitter.cc
@@ -0,0 +1,22 @@
+#include "thin-provisioning/shared_library_emitter.h"
+#include <stdexcept>
+#include "contrib/tmakatos_emitter.h"
+
+using namespace std;
+using namespace thin_provisioning;
+
+//----------------------------------------------------------------
+
+emitter::ptr
+thin_provisioning::create_custom_emitter(string const &shared_lib, ostream &out)
+{
+	if (shared_lib != "tmakatos_emitter.so")
+		throw runtime_error(shared_lib + ": no such emitter");
+
+	cout << "XXX creating tmakatos_emitter" << endl;
+	cout << flush;
+
+	return emitter::ptr(new tmakatos_emitter::binary_emitter(out));
+}
+
+//----------------------------------------------------------------