Merge pull request #2682 from PX4/eigen_upgrade

Upgrade Eigen version

makefiles/posix/toolchain_native.mk

@@ -156,7 +156,7 @@ ARCHOPTIMIZATION	 = $(MAXOPTIMIZATION) \
 # Language-specific flags
 #
 ARCHCFLAGS		 = -std=gnu99 -g
-ARCHCXXFLAGS		 = -fno-exceptions -fno-rtti -std=c++0x -fno-threadsafe-statics -D__CUSTOM_FILE_IO__ -g
+ARCHCXXFLAGS		 = -fno-exceptions -fno-rtti -std=c++11 -fno-threadsafe-statics -D__CUSTOM_FILE_IO__ -g
 
 # Generic warnings
 #

src/lib/px4_eigen.h

@@ -46,6 +46,8 @@
 #pragma GCC diagnostic ignored "-Wfloat-equal"
 #define _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC 1
 
+#define EIGEN_MAX_STATIC_ALIGN_BYTES 16
+
 #include <eigen/Eigen/Core>
 #include <eigen/Eigen/Geometry>
 #pragma GCC diagnostic pop

src/systemcmds/tests/test_eigen.cpp

@@ -38,6 +38,7 @@
  * @author Johan Jansen <jnsn.johan@gmail.com>
  */
 
+#include <cmath>
 #include <px4_eigen.h>
 #include <float.h>
 #include <stdio.h>