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account for CLANG_VENDOR when checking for llvm version #33860

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account for CLANG_VENDOR when checking for llvm version #33860

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2 changes: 1 addition & 1 deletion configure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -805,7 +805,7 @@ def get_nasm_version(asm):

def get_llvm_version(cc):
return get_version_helper(
cc, r"(^(?:FreeBSD )?clang version|based on LLVM) ([0-9]+\.[0-9]+)")
cc, r"(^(?:.+ )?clang version|based on LLVM) ([0-9]+\.[0-9]+)")
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For detecting the support of OpenSSL's functionality, configure.py checks xcode_version>=5.0 or llvm_version>=3.3 in https://github.com/nodejs/node/blob/master/configure.py#L1330
Thus, it changes the detection result for ex. Apple clang version 4.0.

If you need to check for Alpine, below one would be better.

- cc, r"(^(?:FreeBSD )?clang version|based on LLVM) ([0-9]+\.[0-9]+)")
+ cc, r"(^(?:(?:FreeBSD|Alpine) )?clang version|based on LLVM) ([0-9]+\.[0-9]+)")

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@nathanblair nathanblair Jun 13, 2020 •
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That's what this PR is intended to fix. It won't be feasible to hard code the regex string for specific CLANG_VENDORs. Because what if I want to compile clang myself and I set my CLANG_VENDOR to "MyClang". Now I have to recompile Nodejs for whatever distribution I'm using - and I haven't even changed anything specifically related to Nodejs's functionality or behavior. The check here only cares about returning a version string - it doesn't care about the vendor; so there should be no need to do anything other than match against a Word.

I also compiled nodejs using this branch on my Macbook Pro and it worked just fine. 😄

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Sorry for late response.
The problem I pointed out does not occur now, because Apple LLVM >= 10 is the supported version.


def get_xcode_version(cc):
return get_version_helper(
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