Added various manifests,

added auto generation of includes and manifests from version and build
variables,
resurrected SLIC3R_LOGLEVEL env var.

src/libslic3r/CMakeLists.txt

@@ -1,6 +1,8 @@
 project(libslic3r)
 cmake_minimum_required(VERSION 2.6)
 
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libslic3r_version.h.in ${CMAKE_CURRENT_BINARY_DIR}/libslic3r_version.h @ONLY)
+
 add_library(libslic3r STATIC
     BoundingBox.cpp
     BoundingBox.hpp
@@ -96,6 +98,7 @@ add_library(libslic3r STATIC
     Layer.hpp
     LayerRegion.cpp
     libslic3r.h
+    "${CMAKE_CURRENT_BINARY_DIR}/libslic3r_version.h"
     Line.cpp
     Line.hpp
     Model.cpp
@@ -149,7 +152,7 @@ add_library(libslic3r STATIC
 )
 
 target_compile_definitions(libslic3r PUBLIC -DUSE_TBB ${PNG_DEFINITIONS})
-target_include_directories(libslic3r PUBLIC BEFORE ${LIBNEST2D_INCLUDES} ${PNG_INCLUDE_DIRS})
+target_include_directories(libslic3r PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${LIBNEST2D_INCLUDES} ${PNG_INCLUDE_DIRS})
 target_link_libraries(libslic3r
     ${LIBNEST2D_LIBRARIES}
     admesh

src/libslic3r/libslic3r.h

@@ -1,6 +1,8 @@
 #ifndef _libslic3r_h_
 #define _libslic3r_h_
 
+#include "libslic3r_version.h"
+
 // this needs to be included early for MSVC (listing it in Build.PL is not enough)
 #include <ostream>
 #include <iostream>
@@ -15,10 +17,6 @@
 
 #include "Technologies.hpp"
 
-#define SLIC3R_FORK_NAME "Slic3r Prusa Edition"
-#define SLIC3R_VERSION "1.41.0"
-#define SLIC3R_BUILD "UNKNOWN"
-
 typedef int32_t coord_t;
 typedef double  coordf_t;
 

src/libslic3r/libslic3r_version.h.in

@@ -0,0 +1,8 @@
+#ifndef __SLIC3R_VERSION_H
+#define __SLIC3R_VERSION_H
+
+#define SLIC3R_FORK_NAME "@SLIC3R_FORK_NAME@"
+#define SLIC3R_VERSION "@SLIC3R_VERSION@"
+#define SLIC3R_BUILD "@SLIC3R_BUILD@"
+
+#endif /* __SLIC3R_VERSION_H */