Move mikktspace code to own library, so it is clear that it is also

intended as a standalone library for use in other applications that
want the same tangent space as Blender.

This also keeps blenkernel clean(er) from extra math functions.

intern/CMakeLists.txt

@@ -33,6 +33,7 @@ add_subdirectory(memutil)
 add_subdirectory(iksolver)
 add_subdirectory(opennl)
 add_subdirectory(smoke)
+add_subdirectory(mikktspace)
 
 if(WITH_MOD_FLUID)
 	add_subdirectory(elbeem)

intern/SConscript

@@ -13,6 +13,7 @@ SConscript(['audaspace/SConscript',
             'itasc/SConscript',
             'boolop/SConscript',
             'opennl/SConscript',
+            'mikktspace/SConscript',
             'smoke/SConscript'])
 
 # NEW_CSG was intended for intern/csg, but

intern/mikktspace/CMakeLists.txt

+# $Id$
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# The Original Code is Copyright (C) 2006, Blender Foundation
+# All rights reserved.
+#
+# The Original Code is: all of this file.
+#
+# Contributor(s): Daniel Genrich
+#
+# ***** END GPL LICENSE BLOCK *****
+
+set(INC
+	.
+)
+
+set(SRC
+	mikktspace.c
+)
+
+blender_add_lib(bf_intern_mikktspace "${SRC}" "${INC}")
+

intern/mikktspace/SConscript

+#!/usr/bin/python
+Import ('env')
+
+sources = ['mikktspace.c']
+
+incs = ''
+defs = ''
+
+env.BlenderLib ('bf_intern_mikktspace', sources, Split(incs), Split(defs), libtype=['intern'], priority=[100] )

source/blender/blenkernel/CMakeLists.txt

@@ -48,6 +48,7 @@ set(INC
 	../../../intern/memutil
 	../../../intern/opennl/extern
 	../../../intern/smoke/extern
+	../../../intern/mikktspace
     ../../../source/blender/windowmanager # XXX - BAD LEVEL CALL WM_api.h
 	${ZLIB_INCLUDE_DIRS}
 )
@@ -106,7 +107,6 @@ set(SRC
 	intern/mball.c
 	intern/mesh.c
 	intern/mesh_validate.c
-	intern/mikktspace.c
 	intern/modifier.c
 	intern/multires.c
 	intern/nla.c
@@ -223,7 +223,6 @@ set(SRC
 	BKE_writeffmpeg.h
 	BKE_writeframeserver.h
 	depsgraph_private.h
-	mikktspace.h
 	intern/CCGSubSurf.h
 	intern/bmesh_private.h
 	nla_private.h

source/blender/blenkernel/SConscript

@@ -12,6 +12,7 @@ incs += ' #/extern/bullet2/src'
 incs += ' #/intern/opennl/extern #/intern/bsp/extern'
 incs += ' ../gpu #/extern/glew/include'
 incs += ' #/intern/smoke/extern'
+incs += ' #/intern/mikktspace'
 incs += ' #/intern/audaspace/intern'
 
 incs += ' ' + env['BF_OPENGL_INC']

source/blender/render/CMakeLists.txt

@@ -38,6 +38,7 @@ set(INC
 	../imbuf
 	../../kernel/gen_messaging
 	../../../intern/smoke/extern
+	../../../intern/mikktspace
 	../../../intern/guardedalloc
 )
 

source/blender/render/SConscript

@@ -6,7 +6,7 @@ raysources = env.Glob('intern/raytrace/*.cpp')
 
 incs = 'intern/include #/intern/guardedalloc ../blenlib ../makesdna ../makesrna'
 incs += ' extern/include ../blenkernel ../radiosity/extern/include ../imbuf'
-incs += ' ../include ../blenloader ../../../intern/smoke/extern'
+incs += ' ../include ../blenloader ../../../intern/smoke/extern ../../../intern/mikktspace'
 
 cflags_raytrace = env['CCFLAGS']
 cxxflags_raytrace = env['CXXFLAGS']