all: switch to LLVM 11 for static builds #1520
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aykevl
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Note: still working on this. Windows appears to need some extra work. |
aykevl
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aykevl
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Let's just say that was an understatement. I still haven't figured it out. |
aykevl
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This commit switches to LLVM 11 for builds with LLVM linked statically (e.g. `make`). It does not yet switch the default for builds dynamically linked to LLVM, that should be done in a later change. This commit also changes to use the default host toolchain (probably GCC) instead of Clang as the default compiler in CI. There were some issues with Clang 3.8 in CI and hopefully this will fix it. Additionally it updates the way LLVM is built on Windows, with -DLLVM_ENABLE_PIC=OFF (which should have been used all along). This change makes it possible to revert a hack to build libclang manually and instead uses the libclang static library like on all other operating systems, simplifying the Makefile.
aykevl
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Finally, this is ready for review/merge. The secret code was |
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That was some pretty amazingly hard effort to figure that out, good one @aykevl now merging. |
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This commit switches to LLVM 11 for builds with LLVM linked statically (e.g.
make). It does not yet switch the default for builds dynamically linked to LLVM (like when you rungo install), that should be done in a later change.This commit also changes to use the default host toolchain (normally GCC) instead of Clang as the default compiler in CI. There were some issues with Clang 3.8 in CI and hopefully this will fix it.
This PR is now possible since the LLVM fork from Espressif was updated, see: espressif/llvm-project#40
Perhaps the most important improvement will be a number of changes to the AVR backend that make it much more usable. Another change is a bugfix in the Xtensa backend necessary for proper floating point functioning.