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Previously LIT would often fail while attempting to set up/configure the test compiler; normally when attempting to dump the builtin macros. This sort of failure provided no useful information about what went wrong with the compiler, making the actual issues hard --- if not impossible --- to debug easily. This patch changes the LIT configuration to report the failure explicitly, including the failed compile command and the stdout/stderr output. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@314735 91177308-0d34-0410-b5e6-96231b3b80d8
libc++ Documentation ==================== The libc++ documentation is written using the Sphinx documentation generator. It is currently tested with Sphinx 1.1.3. To build the documents into html configure libc++ with the following cmake options: * -DLLVM_ENABLE_SPHINX=ON * -DLIBCXX_INCLUDE_DOCS=ON After configuring libc++ with these options the make rule `docs-libcxx-html` should be available.