LDC 1.7.0 on NixOS/OSX dynamiccompile tests fail

[Thomas Mader]

I had similar problems with the asan tests in 1.5.0 and just 
removed them for now.

My guess is that the problem is the missing MACOSX_RPATH because 
I get a warning when configuring the build:

CMake Warning (dev):
   Policy CMP0042 is not set: MACOSX_RPATH is enabled by default.  
Run "cmake
   --help-policy CMP0042" for policy details.  Use the 
cmake_policy command to
   set the policy and suppress this warning.

   MACOSX_RPATH is not specified for the following targets:

    ldc-jit-rt-so

Here is the error for array:

771: FAIL: LDC :: dynamiccompile/array.d (140 of 190)
771: ******************** TEST 'LDC :: dynamiccompile/array.d' 
FAILED ********************
771: Script:
771: --
771: 
/tmp/nix-build-ldcBuild-1.7.0.drv-0/ldc-1.7.0-src/build/bin/ldc2 
-enable-dynamic-compile -run 
/private/tmp/nix-build-ldcBuild-1.7.0.drv-0/ldc-1.7.0-src/tests/dynamiccompile/array.d
771: --
771: Exit Code: 2
771:
771: Command Output (stdout):
771: --
771: $ 
"/tmp/nix-build-ldcBuild-1.7.0.drv-0/ldc-1.7.0-src/build/bin/ldc2" "-enable-dynamic-compile" "-run" "/private/tmp/nix-build-ldcBuild-1.7.0.drv-0/ldc-1.7.0-src/tests/dynamiccompile/array.d"
771: # command stderr:
771: dyld: Library not loaded: libldc-jit.77.dylib
771:   Referenced from: 
/var/folders/rw/hkyl0vdn02jfvt1s8_2wxvkr000x9j/T/array-30ec308-4bc080
771:   Reason: image not found
771: Error: 
/var/folders/rw/hkyl0vdn02jfvt1s8_2wxvkr000x9j/T/array-30ec308-4bc080 failed with status: -2
771: Error: message: Abort trap: 6
771: Error: program received signal 2 (Interrupt: 2)
771:
771: error: command failed with exit status: 2

...

771: Testing Time: 29.06s
771: ********************
771: Failing Tests (15):
771:     LDC :: dynamiccompile/array.d
771:     LDC :: dynamiccompile/calls.d
771:     LDC :: dynamiccompile/classes.d
771:     LDC :: dynamiccompile/dump_handler.d
771:     LDC :: dynamiccompile/empty_jit_modules.d
771:     LDC :: dynamiccompile/globals.d
771:     LDC :: dynamiccompile/globals_types.d
771:     LDC :: dynamiccompile/lambdas.d
771:     LDC :: dynamiccompile/params_ctors.d
771:     LDC :: dynamiccompile/recursive_call.d
771:     LDC :: dynamiccompile/simple.d
771:     LDC :: dynamiccompile/struct_init.d
771:     LDC :: dynamiccompile/thread_local.d
771:     LDC :: dynamiccompile/throw.d
771:     LDC :: dynamiccompile/tls_workaround_opt.d
771:
771:   Expected Passes    : 145
771:   Unsupported Tests  : 30
771:   Unexpected Failures: 15
1/1 Test #771: lit-tests ........................***Failed   
30.71 sec