Add Travis script

.travis.yml

+language: cpp
+sudo: false
+
+addons:
+  apt:
+    packages:
+    - swig
+    - python-dev
+    - python-numpy
+    - guile-2.0-dev
+    - octave3.2-headers
+    - cmake
+
+script:
+  - ./autogen.sh --no-configure
+  - mkdir build && pushd build
+  - ../configure --prefix=$HOME/.local --enable-shared --enable-maintainer-mode --enable-cxx
+  - make -j2
+  - make install
+  - python ../test/test_std.py
+  - rm -rf * ~/.local
+  - cmake -DCMAKE_INSTALL_PREFIX=~/.local -DBUILD_SHARED_LIBS=ON ..
+  - make install -j2
+  - python ../test/test_std.py

CMakeLists.txt

@@ -145,10 +145,15 @@ SET ( NLOPT_SOURCES
 
 OPTION(BUILD_SHARED_LIBS "Build NLOPT as a shared library" OFF )
 
-IF(BUILD_SHARED_LIBS)
+if (BUILD_SHARED_LIBS)
   ADD_DEFINITIONS(-DNLOPT_DLL)
   ADD_DEFINITIONS(-DNLOPT_DLL_EXPORT )
-ENDIF(BUILD_SHARED_LIBS)
+  
+  if (NOT CMAKE_INSTALL_PREFIX MATCHES "^/usr")
+    set (CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX})
+    set (CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+  endif ()
+endif ()
 
 INSTALL ( FILES ${NLOPT_HEADERS} DESTINATION include )
 

README.md

+[![Build Status](https://travis-ci.org/stevengj/nlopt.svg?branch=master)](https://travis-ci.org/stevengj/nlopt)
+
 NLopt is a library for nonlinear local and global optimization, for
 functions with and without gradient information.  It is designed as
 as simple, unified interface and packaging of several free/open-source