more eigen3 fixes.

1. finish converting 'using namespace boost::filsystem' to 'namespace fs = boost::filesystem'.

2. initial version of changes to CMakelists.txt for the regression test

4 files changed, 57 insertions, 11 deletions

diff --git a/src/dxfdim.cc b/src/dxfdim.cc
index 4af3526..dfe8c13 100644
--- a/src/dxfdim.cc
+++ b/src/dxfdim.cc
@@ -72,7 +72,6 @@ Value builtin_dxf_dim(const Context *ctx, const std::vector<std::string> &argnam
 		return dxf_dim_cache.find(key)->second;
 
 	DxfData dxf(36, 0, 0, filename, layername, xorigin, yorigin, scale);
-/*
 
 	for (size_t i = 0; i < dxf.dims.size(); i++)
 	{
@@ -124,13 +123,12 @@ Value builtin_dxf_dim(const Context *ctx, const std::vector<std::string> &argnam
 	PRINTB("WARNING: Can't find dimension '%s' in '%s', layer '%s'!",
 				 name % filename % layername);
 
-*/
 	return Value();
 }
 
 Value builtin_dxf_cross(const Context *ctx, const std::vector<std::string> &argnames, const std::vector<Value> &args)
 {
-/*	std::string filename;
+	std::string filename;
 	std::string layername;
 	double xorigin = 0;
 	double yorigin = 0;
@@ -149,8 +147,8 @@ Value builtin_dxf_cross(const Context *ctx, const std::vector<std::string> &argn
 
 	std::stringstream keystream;
 	keystream << filename << "|" << layername << "|" << xorigin << "|" << yorigin
-						<< "|" << scale << "|" << last_write_time(filename)
-						<< "|" << file_size(filename);
+						<< "|" << scale << "|" << fs::last_write_time(filename)
+						<< "|" << fs::file_size(filename);
 	std::string key = keystream.str();
 
 	if (dxf_cross_cache.find(key) != dxf_cross_cache.end())
@@ -188,7 +186,6 @@ Value builtin_dxf_cross(const Context *ctx, const std::vector<std::string> &argn
 	}
 
 	PRINTB("WARNING: Can't find cross in '%s', layer '%s'!", filename % layername);
-*/
 	return Value();
 }
 
diff --git a/src/handle_dep.cc b/src/handle_dep.cc
index cbf7157..2d6f3ff 100644
--- a/src/handle_dep.cc
+++ b/src/handle_dep.cc
@@ -6,7 +6,7 @@
 #include <boost/foreach.hpp>
 #include <boost/regex.hpp>
 #include <boost/filesystem.hpp>
-using namespace boost::filesystem;
+namespace fs = boost::filesystem;
 #include "boosty.h"
 
 boost::unordered_set<std::string> dependencies;
@@ -14,14 +14,14 @@ const char *make_command = NULL;
 
 void handle_dep(const std::string &filename)
 {
-	path filepath(filename);
+	fs::path filepath(filename);
 	if ( boosty::is_absolute( filepath )) {
 		dependencies.insert(filename);
 	}
 	else {
-		dependencies.insert((current_path() / filepath).string());
+		dependencies.insert((fs::current_path() / filepath).string());
 	}
-	if (!exists(filepath) && make_command) {
+	if (!fs::exists(filepath) && make_command) {
 		std::stringstream buf;
 		buf << make_command << " '" << boost::regex_replace(filename, boost::regex("'"), "'\\''") << "'";
 		system(buf.str().c_str()); // FIXME: Handle error
diff --git a/src/import.cc b/src/import.cc
index 2f08b11..1073459 100644
--- a/src/import.cc
+++ b/src/import.cc
@@ -80,7 +80,7 @@ AbstractNode *ImportModule::evaluate(const Context *ctx, const ModuleInstantiati
 	std::string filename = c.getAbsolutePath(v.isUndefined() ? "" : v.toString());
 	import_type_e actualtype = this->type;
 	if (actualtype == TYPE_UNKNOWN) {
-		std::string extraw = boosty::extension_str( path(filename) );
+		std::string extraw = boosty::extension_str( fs::path(filename) );
 		std::string ext = boost::algorithm::to_lower_copy( extraw );
 		if (ext == ".stl") actualtype = TYPE_STL;
 		else if (ext == ".off") actualtype = TYPE_OFF;
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 5ec8be7..db9433f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -157,8 +157,18 @@ endif()
 
 set(CMAKE_INCLUDE_DIRECTORIES_BEFORE OFF)
 
+
+# Eigen
+
+set( EIGEN_VERSION 3 )
+if( ${CMAKE_SYSTEM_NAME} MATCHES "Darwin" )
+  set( EIGEN_VERSION 3 )
+endif()
+
 # Eigen2
 
+if( ${EIGEN_VERSION} EQUAL 2)
+
 # Turn off Eigen SIMD optimization
 if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
@@ -195,6 +205,45 @@ if (NOT EIGEN2_INCLUDE_DIR)
 endif()
 inclusion(EIGEN2_DIR EIGEN2_INCLUDE_DIR)
 
+endif() # EIGEN_VERSION 2
+
+
+# Eigen3
+
+if( ${EIGEN_VERSION} EQUAL 3)
+
+if (NOT $ENV{EIGEN3DIR} STREQUAL "")
+  set(EIGEN3_DIR "$ENV{EIGEN3DIR}")
+elseif (NOT $ENV{OPENSCAD_LIBRARIES} STREQUAL "")
+  set(EIGEN3_DIR "$ENV{OPENSCAD_LIBRARIES}")
+endif()
+
+if (NOT EIGEN3_INCLUDE_DIR)
+  if (EIGEN3_DIR)
+    set(EIGEN3_FIND_HINTS "${EIGEN3_DIR}/include/eigen3")
+  endif()
+  if (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+    set(EIGEN3_FIND_PATHS /usr/local/include/eigen3)
+  elseif (${CMAKE_SYSTEM_NAME} MATCHES "NetBSD")
+    set(EIGEN3_FIND_PATHS /usr/pkg/include/eigen3)
+  else()
+    set(EIGEN3_FIND_PATHS /opt/local/include/eigen3 /usr/include/eigen3)
+  endif()
+  find_path(EIGEN3_INCLUDE_DIR
+            Eigen/Core 
+            HINTS ${EIGEN3_FIND_HINTS}
+            PATHS ${EIGEN3_FIND_PATHS})
+  if (NOT EIGEN3_INCLUDE_DIR)
+    message(FATAL_ERROR "Eigen3 not found")
+  else()
+    message(STATUS "Eigen3 found in " ${EIGEN3_INCLUDE_DIR})
+  endif()
+endif()
+inclusion(EIGEN3_DIR EIGEN3_INCLUDE_DIR)
+
+endif() # EIGEN_VERSION 3
+
+
 # OpenCSG
 if (NOT $ENV{OPENCSGDIR} STREQUAL "")
   set(OPENCSG_DIR "$ENV{OPENCSGDIR}")