From d758f07b2a46c9cf7e8e63b837b28899bcc0e72c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20Chr=C3=A9tien?= <chretien.b@gmail.com>
Date: Sat, 27 Aug 2016 23:16:16 +0200
Subject: [PATCH] Fix for undefined symbols on OS X

---
 .travis            |  2 +-
 .travis.yml        |  5 +++--
 src/CMakeLists.txt | 12 ++++++++----
 3 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/.travis b/.travis
index 811fbd6..a0c7e47 160000
--- a/.travis
+++ b/.travis
@@ -1 +1 @@
-Subproject commit 811fbd60262f89af6e4edb06f497cd86db6d9666
+Subproject commit a0c7e47d492fb4c54cdaba905741149bd4fc4656
diff --git a/.travis.yml b/.travis.yml
index 2708f80..51d3ec1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,8 +27,9 @@ branches:
   - travis
   - coverity_scan
 script:
-- export LD_LIBRARY_PATH=`pkg-config --variable=plugindir roboptim-core`:$LD_LIBRARY_PATH;
-- if [ "${COVERITY_SCAN_BRANCH}" != "1" ]; then ./.travis/run build; fi
+  - if [ "${TRAVIS_OS_NAME}" == "linux" ]; then export LD_LIBRARY_PATH=`pkg-config --variable=plugindir roboptim-core`:$LD_LIBRARY_PATH; fi
+  - if [ "${TRAVIS_OS_NAME}" == "osx" ]; then export DYLD_LIBRARY_PATH=`pkg-config --variable=plugindir roboptim-core`:$DYLD_LIBRARY_PATH; fi
+  - if [ "${COVERITY_SCAN_BRANCH}" != "1" ]; then ./.travis/run build; fi
 after_success:
   - ./.travis/run after_success
   - codecov --gcov-root=/tmp/_ci/build
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0368616..decd64f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -21,6 +21,11 @@ MACRO(IPOPT_PLUGIN NAME)
   ADD_LIBRARY(roboptim-core-plugin-${NAME} MODULE
     ${NAME}.cc tnlp.cc tnlp.hh tnlp.hxx doc.hh ${HEADERS}
     )
+
+  IF(APPLE)
+    SET(CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS} -undefined dynamic_lookup")
+  ENDIF()
+
   SET_TARGET_PROPERTIES(roboptim-core-plugin-${NAME} PROPERTIES
     COMPILE_DEFINITIONS
       IPOPT_DEFAULT_LINEAR_SOLVER="${IPOPT_DEFAULT_LINEAR_SOLVER}"
@@ -36,12 +41,11 @@ MACRO(IPOPT_PLUGIN NAME)
   PKG_CONFIG_USE_COMPILE_DEPENDENCY(roboptim-core-plugin-${NAME} roboptim-core)
 
   # Make sure all symbols are defined.
-  # See:
-  # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=592752
+  # See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=592752
   IF(CMAKE_SYSTEM_NAME MATCHES "Linux"
     AND EXISTS "/etc/debian_version"
     AND IPOPT_PREFIX MATCHES "/usr")
-  TARGET_LINK_LIBRARIES(roboptim-core-plugin-${NAME} dmumps_seq)
+    TARGET_LINK_LIBRARIES(roboptim-core-plugin-${NAME} dmumps_seq)
   ENDIF()
 ENDMACRO()
 
@@ -49,5 +53,5 @@ ENDMACRO()
 IPOPT_PLUGIN(ipopt)
 # Ipopt plug-in (with only gradient computation and sparse matrices).
 IPOPT_PLUGIN(ipopt-sparse)
-# Ipopt twice differentiable (td) plug-in (require hessian computation).
+# Ipopt twice-differentiable (td) plug-in (requires hessian computation).
 IPOPT_PLUGIN(ipopt-td)