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3fe6b38cf2
Summary: There are a few LLVM projects that produce runtime libraries. Ideally runtime libraries should be built differently than other projects, specifically they should be built using the just-built toolchain. There is support for building compiler-rt in this way from the clang build. Moving this logic into the LLVM build is interesting because it provides a simpler way to extend the just-built toolchain to include LLD and the LLVM object file tools. Once this functionality is better fleshed out and tested we’ll want to encapsulate it in a module that can be used for clang standalone builds, and we’ll want to make it the default way to build compiler-rt. With this patch applied there is no immediate change in the build. Moving compiler-rt out from llvm/projects into llvm/runtimes enables the functionality. This code has a few improvements over the method provided by LLVM_BUILD_EXTERNAL_COMPILER_RT. Specifically the sub-ninja command is always invoked, so changes to compiler-rt source files will get built properly, so this patch can be used for iterative development with just-built tools. This first patch only works with compiler-rt. Support for other runtime projects will be coming in follow-up patches. Reviewers: chandlerc, bogner Subscribers: kubabrecka, llvm-commits Differential Revision: http://reviews.llvm.org/D20992 llvm-svn: 273620
69 lines
2.1 KiB
Plaintext
69 lines
2.1 KiB
Plaintext
#==============================================================================#
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# This file specifies intentionally untracked files that git should ignore.
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# See: http://www.kernel.org/pub/software/scm/git/docs/gitignore.html
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#
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# This file is intentionally different from the output of `git svn show-ignore`,
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# as most of those are useless.
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#==============================================================================#
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#==============================================================================#
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# File extensions to be ignored anywhere in the tree.
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#==============================================================================#
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# Temp files created by most text editors.
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*~
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# Merge files created by git.
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*.orig
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# Byte compiled python modules.
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*.pyc
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# vim swap files
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.*.sw?
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.sw?
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#OS X specific files.
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.DS_store
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#==============================================================================#
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# Explicit files to ignore (only matches one).
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#==============================================================================#
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# Various tag programs
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/tags
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/TAGS
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/GPATH
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/GRTAGS
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/GSYMS
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/GTAGS
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.gitusers
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autom4te.cache
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cscope.files
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cscope.out
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autoconf/aclocal.m4
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autoconf/autom4te.cache
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/compile_commands.json
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#==============================================================================#
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# Directories to ignore (do not add trailing '/'s, they skip symlinks).
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#==============================================================================#
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# External projects that are tracked independently.
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projects/*
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!projects/*.*
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!projects/Makefile
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runtimes/*
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!runtimes/*.*
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# Clang, which is tracked independently.
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tools/clang
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# LLDB, which is tracked independently.
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tools/lldb
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# lld, which is tracked independently.
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tools/lld
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# llgo, which is tracked independently.
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tools/llgo
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# Polly, which is tracked independently.
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tools/polly
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# Sphinx build tree, if building in-source dir.
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docs/_build
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#==============================================================================#
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# Files created in tree by the Go bindings.
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#==============================================================================#
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bindings/go/llvm/llvm_config.go
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bindings/go/llvm/workdir
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