[ci/arm/darwin/testsuite] Forwards ports from GHC-8.10

This is a set of forward ports (cherry-picks) from 8.10

- a7d22795ed [ci] Add support for building on aarch64-darwin
- 5109e87e13 [testlib/driver] denoise
- 307d34945b [ci] default value for CONFIGURE_ARGS
- 10a18cb4e0 [testsuite] mark ghci056 as fragile
- 16c13d5acf [ci] Default value for MAKE_ARGS
- ab571457b9 [ci/build] Copy config.sub around
- 251892b98f [ci/darwin] bump nixpkgs rev
- 5a6c36ecb4 [testsuite/darwin] fix conc059
- aae95ef0c9 [ci] add timing info
- 3592d1104c [Aarch64] No div-by-zero; disable test.
- 57671071ad [Darwin] mark stdc++ tests as broken
- 33c4d49754 [testsuite] filter out superfluous dylib warnings
- 4bea83afec [ci/nix-shell] Add Foundation and Security
- 6345530062 [testsuite/json2] Fix failure with LLVM backends
- c3944bc89d [ci/nix-shell] [Darwin] Stop the ld warnings about libiconv.
- b821fcc714 [testsuite] static001 is not broken anymore.
- f7062e1b0c [testsuite/arm64] fix section_alignment
- 820b076698 [darwin] stop the DYLD_LIBRARY_PATH madness
- 07b1af0362 [ci/nix-shell] uniquify NIX_LDFLAGS{_FOR_TARGET}

As well as a few additional fixups needed to make this block compile:
- Fixup all.T
- Set CROSS_TARGET, BROKEN_TESTS, XZ, RUNTEST_ARGS, default value.
- [ci] shell.nix bump happy

1 files changed, 11 insertions, 10 deletions

diff --git a/testsuite/tests/ghci/linking/all.T b/testsuite/tests/ghci/linking/all.T
index 29a314238c..82a7822ea4 100644
--- a/testsuite/tests/ghci/linking/all.T
+++ b/testsuite/tests/ghci/linking/all.T
@@ -11,11 +11,12 @@ test('ghcilink002', [extra_files(['TestLink.hs', 'f.c']),
      makefile_test, ['ghcilink002'])
 
 test('ghcilink003',
-     [unless(doing_ghci, skip),
-      # libstdc++ is named differently on FreeBSD
-      when(opsys('freebsd'), expect_broken(17739))],
-     makefile_test,
-     ['ghcilink003'])
+     [ unless(doing_ghci, skip),
+       # libstdc++ is named differently on FreeBSD
+       when(opsys('freebsd'), expect_broken(17739)),
+       when(opsys('darwin'), fragile(16083))
+     ], makefile_test, ['ghcilink003'])
+
 
 test('ghcilink004',
      [extra_files(['TestLink.hs', 'f.c']),
@@ -31,11 +32,11 @@ test('ghcilink005',
      makefile_test, ['ghcilink005'])
 
 test('ghcilink006',
-     [unless(doing_ghci, skip),
-      # libstdc++ is named differently on FreeBSD
-      when(opsys('freebsd'), expect_broken(17739))],
-     makefile_test,
-     ['ghcilink006'])
+     [ unless(doing_ghci, skip),
+       # libstdc++ is named differently on FreeBSD
+       when(opsys('freebsd'), expect_broken(17739)),
+       when(opsys('darwin'), fragile(16083))
+     ], makefile_test, ['ghcilink006'])
 
 test('T3333',
      [unless(doing_ghci, skip),