Merge pull request laurentkneip#56 from jbriales/bash_MEX

Add bash script for automatic MEX compilation in Linux

matlab/make_mex.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# Generate MEX files by compiling from Matlab
+# This scripts intends to automate the compilation process
+# by following the instructions provided in
+# http://laurentkneip.github.io/opengv/page_installation.html#sec_installation_5
+# We assume the installation configuration is standard
+# so that every dependency can be found in an automated way
+
+# We assume a launcher command is available: matlab
+# Add OpenGV library directory to the path
+export LD_LIBRARY_PATH=../build/lib:$LD_LIBRARY_PATH
+
+# Find path to Eigen library (assumes CMake has cached EIGEN_INCLUDE_DIRS)
+# See https://stackoverflow.com/questions/8474753/how-to-get-a-cmake-variable-from-the-command-line
+EigenPath=$(cmake -L ../build | grep EIGEN_INCLUDE_DIRS | cut -d "=" -f2)
+
+# Call Matlab with the compilation command
+matlab -nodisplay -nosplash -nodesktop \
+-r "mex -I../include -I${EigenPath} -L../build/lib -lopengv opengv.cpp -cxx, mex -I../include -I${EigenPath} -L../build/lib -lopengv opengv_donotuse.cpp -cxx, exit"
+
+