Set the environnemt variables earlier in the script

travis_custom/custom_before_install

@@ -36,6 +36,12 @@ export CMAKE_ADDITIONAL_OPTIONS=$CMAKE_ADDITIONAL_OPTIONS" -DLINEAR_ALGEBRA_LIB=
 export CMAKE_ADDITIONAL_OPTIONS=$CMAKE_ADDITIONAL_OPTIONS" -DBUILD_UNIT_TESTS=OFF"
 export CMAKE_ADDITIONAL_OPTIONS=$CMAKE_ADDITIONAL_OPTIONS" -DBUILD_PYTHON_INTERFACE=OFF"
 
+export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/opt/openrobots/lib/pkgconfig"
+export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/openrobots/lib"
+
+export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/opt/ros/hydro/lib/pkgconfig"
+export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/ros/hydro/lib"
+
 # When this script is called the current directory is ./custom_travis
 . ./.travis/run ../.travis/before_install
 

travis_custom/custom_build

@@ -8,12 +8,6 @@ set -v
 # Setup environment variables.
 export CMAKE_ADDITIONAL_OPTIONS=" ${CMAKE_ADDITIONAL_OPTIONS} -DBUILD_UNIT_TESTS=\"ON\""
 
-export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/opt/openrobots/lib/pkgconfig"
-export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/openrobots/lib"
-
-export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/opt/ros/hydro/lib/pkgconfig"
-export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/ros/hydro/lib"
-
 # Setup environment variables.
 . ./.travis/run ../.travis/build