elua: initial skeleton for the Elua library

Because of Bob and other things, it is required to separate the functionality currently
provided by the elua binary into a library. This library will then be used by the elua
binary as well as any other project.

src/Makefile_Elua.am

@@ -1,5 +1,23 @@
 if HAVE_ELUA
 
+lib_LTLIBRARIES += lib/elua/libelua.la
+
+installed_eluamainheadersdir = $(includedir)/elua-@VMAJ@
+dist_installed_eluamainheaders_DATA = \
+lib/elua/Elua.h
+
+lib_elua_libelua_la_SOURCES = \
+lib/elua/elua.c
+
+lib_elua_libelua_la_CPPFLAGS = -I$(top_builddir)/src/lib/efl @ELUA_CFLAGS@
+if HAVE_WIN32
+lib_elua_libelua_la_LIBADD = -L$(top_builddir)/src/lib/evil @ELUA_LIBS@
+else
+lib_elua_libelua_la_LIBADD = @ELUA_LIBS@
+endif
+lib_elua_libelua_la_DEPENDENCIES = @ELUA_INTERNAL_LIBS@
+lib_elua_libelua_la_LDFLAGS = @EFL_LTLIBRARY_FLAGS@
+
 bin_PROGRAMS += bin/elua/elua
 
 bin_elua_elua_SOURCES = \

src/lib/elua/Elua.h

@@ -0,0 +1,63 @@
+/**
+ * @file Elua.h
+ * @brief Elua Library
+ *
+ * @defgroup Elua Elua
+ */
+
+/**
+ *
+ * @section intro Elua library
+ *
+ * The Elua library was created to ease integration of EFL Lua into other EFL
+ * libraries or applications. Using the Elua library you can easily create a
+ * Lua state that is fully set up for running EFL Lua bindings.
+ *
+ * You can find the API documentation at @ref Elua
+*/
+#ifndef _ELUA_H
+#define _ELUA_H
+
+#ifdef EAPI
+# undef EAPI
+#endif
+
+#ifdef _WIN32
+# ifdef EFL_ELUA_BUILD
+#  ifdef DLL_EXPORT
+#   define EAPI __declspec(dllexport)
+#  else
+#   define EAPI
+#  endif /* ! DLL_EXPORT */
+# else
+#  define EAPI __declspec(dllimport)
+# endif /* ! EFL_ELUA_BUILD */
+#else
+# ifdef __GNUC__
+#  if __GNUC__ >= 4
+#   define EAPI __attribute__ ((visibility("default")))
+#  else
+#   define EAPI
+#  endif
+# else
+#  define EAPI
+# endif
+#endif /* ! _WIN32 */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef EFL_BETA_API_SUPPORT
+
+#endif
+
+#ifdef __cplusplus
+} // extern "C" {
+#endif
+
+#endif

src/lib/elua/elua.c

@@ -0,0 +1 @@
+#include "Elua.h"