* gnu/packages/dlang.scm (ldc-bootstrap): Rename to...
(ldc-bootstrap-0.17): ... this. Fix indentation. Disable tests.
[phases]: Remove test related patching.
{patch-phobos}: Rename to ...
{patch-paths}: ... this.
[inputs]: Remove llvm-6, which is propagated by clang-6.
(ldc-bootstrap-1.12): New variable, based on the previous ldc.
[source]: Use the official release tarball.
[build-type]: Set the build type to Release.
[configure-flags]: Pass the -GNinja configure flag.
[phases]{patch-paths}: Override to adjust for changed paths.
{build, install}: Override to use ninja.
[native-inputs]: Add ld-gold-wrapper. Update llvm to version 11 and use
ldc-bootstrap-0.17 as the bootstrapping D compiler. Add ninja. Remove the
phobos-src, druntime-src and dmd-testsuite-src source inputs, now included in
the official release.
(ldc-bootstrap-1.24): Other intermediate variant for bootstrapping purposes.
(ldc): Update to 1.27.1.
[make-flags]: New argument.
[configure-flags]: Adjust.
[phases]{fix-compiler-rt-library-discovery}: New phase.
{patch-paths-in-tests}: Likewise.
{disable-problematic-tests}: Likewise. Compared to before, many GDB tests are
reinstated.
{set-cc-and-cxx-to-use-clang}: New phase.
{tests}: Override.
[inputs]: Update clang to version 11. Bootstrap from a stage 1 version of
itself.
* gnu/packages/patches/ldc-bootstrap-disable-tests.patch: Delete file.
* gnu/packages/patches/ldc-disable-phobos-tests.patch: Likewise.
* gnu/local.mk: De-register them.
* gnu/packages/dlang.scm (ldc-bootstrap): Update to 0.17.6.
[arguments]: Remove 'patch-dmd2 phase. Enable one test from
'patch-phobos.
[native-inputs]: Replace llvm-3.8, clang-3.8 with llvm-6, clang-6.
* gnu/packages/patches/clang-7.0-libc-search-path.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/llvm.scm (llvm, clang-runtime, clang): Update to 7.0.1.
(llvm-7.0.1): Remove variable.
(clang-from-llvm)[arguments]: Adjust phase to match Clang 7.
(llvm-6, clang-runtime-6, clang-6): New public variables.
* gnu/packages/dlang.scm (ldc)[native-inputs]: Change LLVM and CLANG to
LLVM-6.0 and CLANG-6.0.
* gnu/packages/gl.scm (mesa)[inputs]: Change from LLVM to LLVM-6.
