Fix conda build on recent Mac OS X systems.

Recent OS X versions disallow DYLD_FALLBACK_LIBRARY_PATH.
Solution: add RPATH to the conda lib directory to the alltests program.

Author: pavoljuhas

.travis.yml

@@ -110,7 +110,6 @@ install:
     # Mac OS X must use the same deployment target as conda-build.
   - if $MYUSEMC && [[ "${TRAVIS_OS_NAME}" == osx ]]; then
         export MACOSX_DEPLOYMENT_TARGET=10.7;
-        export DYLD_FALLBACK_LIBRARY_PATH="${MYLIB}";
     fi
 
     # Linux ld linker requires that libraries can be resolved at link time.

conda-recipe/build.sh

@@ -7,10 +7,6 @@ if [[ `uname` == Linux ]]; then
     export LD_LIBRARY_PATH="${PREFIX}/lib"
 fi
 
-if [[ `uname` == Darwin ]]; then
-    export DYLD_FALLBACK_LIBRARY_PATH="${PREFIX}/lib"
-fi
-
 MYNCPU=$(( (CPU_COUNT > 8) ? 8 : CPU_COUNT ))
 
 # Apply sconscript.local customizations.

conda-recipe/meta.yaml

@@ -32,8 +32,6 @@ test:
     # Run unit-test program with the installed shared library.
     # Make sure tests cannot use library file from the source directory.
     - scons -C "$SRC_DIR" --clean lib
-    - export LD_LIBRARY_PATH="${PREFIX}/lib"                    # [linux]
-    - export DYLD_FALLBACK_LIBRARY_PATH="${PREFIX}/lib"         # [osx]
     - ALLTESTSFAST=$(ls -t ${SRC_DIR}/build/fast*/tests/alltests | head -1)
     - "${ALLTESTSFAST}"
 

src/tests/SConscript

@@ -9,6 +9,10 @@ env_test.Tool('cxxtest')
 lib_dir = libdiffpy[0].dir.abspath
 env_test.PrependUnique(LIBS='diffpy', LIBPATH=lib_dir, delete_existing=1)
 env_test.PrependUnique(LINKFLAGS="-Wl,-rpath,%r" % lib_dir)
+# Ensure shared libraries will be found for conda-build.
+if os.environ.get('CONDA_BUILD'):
+    conda_lib = os.environ['PREFIX'] + '/lib'
+    env_test.AppendUnique(LINKFLAGS="-Wl,-rpath,%r" % conda_lib)
 pat = 'diffpy|boost_serialization|ObjCryst'
 keeplibs = lambda s: re.search(pat, str(s))
 env_test.Replace(LIBS=filter(keeplibs, env_test['LIBS']))