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build: fix llvm version detection in freebsd-10 #11668

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@shigeki
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@shigeki shigeki commented Mar 3, 2017

In FreeBSD-10, the banner of clang version start with "FreeBSD clang version" but the current configure checks /^clang version/ so that llvm_version is 0 and openssl is built with asm_obsolete.

This can be seen in the CI output of https://ci.nodejs.org/job/node-test-commit-freebsd/7417/nodes=freebsd10-64/consoleFull that 'llvm_version': 0, in the current configure output.

With this fix, the clang version banner can be checked properly in FreeBSD-10. The result of https://ci.nodejs.org/job/node-test-commit-freebsd/7419/nodes=freebsd10-64/consoleFull shows that 'llvm_version': '3.4',.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines
Affected core subsystem(s)

build

CC: @nodejs/platform-freebsd or @nodejs/build

@shigeki
build: fix llvm version detection in freebsd-10
b01b834 
In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.
@nodejs-github-bot nodejs-github-bot added the build Issues and PRs related to build files or the CI. label Mar 3, 2017
@shigeki shigeki added the freebsd Issues and PRs related to the FreeBSD platform. label Mar 3, 2017
bnoordhuis
bnoordhuis reviewed Mar 3, 2017
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configure Outdated
return get_version_helper(
cc, r"(^clang version|based on LLVM) ([3-9]\.[0-9]+)")
cc, r"(^clang version|^FreeBSD clang version|based on LLVM) " +
"([3-9]\.[0-9]+)")
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@bnoordhuis bnoordhuis Mar 3, 2017

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You could simply remove the anchor, I think?

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@shigeki shigeki Mar 3, 2017

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I thought it could be fixed but have no full confirmation if it has no side effects. This is very conservative fix not to break existing checks.

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@bnoordhuis bnoordhuis Mar 3, 2017 •
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I suppose a little conservatism won't hurt. Can you line up the strings?

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@shigeki shigeki Mar 3, 2017

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I'm a little coward ;-).
get_xcode_version in 4 lines below had also 4 space indents. I fixed both. Thanks.

bnoordhuis
bnoordhuis approved these changes Mar 3, 2017
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LGTM with a style nit.

configure Outdated
return get_version_helper(
cc, r"(^clang version|based on LLVM) ([3-9]\.[0-9]+)")
cc, r"(^clang version|^FreeBSD clang version|based on LLVM) " +
"([3-9]\.[0-9]+)")
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@bnoordhuis bnoordhuis Mar 3, 2017 •
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I suppose a little conservatism won't hurt. Can you line up the strings?

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shigeki commented Mar 3, 2017

CI was done in https://ci.nodejs.org/job/node-test-pull-request/6682/ and all is green.

richardlau
richardlau reviewed Mar 3, 2017
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configure Outdated
def get_llvm_version(cc):
return get_version_helper(
cc, r"(^clang version|based on LLVM) ([3-9]\.[0-9]+)")
cc, r"(^clang version|^FreeBSD clang version|based on LLVM) " +
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@richardlau richardlau Mar 3, 2017 •
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An alternative would be a non-capturing group, e.g.

cc, r"(^(?:FreeBSD )?clang version|based on LLVM) " +

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@shigeki shigeki Mar 6, 2017

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I did not think of a non-capturing parentheses. It does not break existing check and looks better. Thanks.
@bnoordhuis I fixed in ed1d266. PTAL.

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@shigeki shigeki Mar 6, 2017

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Confirmed it works fine in both FreeBSD-10 of clang-3.4 with OS prefix in its banner, https://ci.nodejs.org/job/node-test-commit-freebsd/7474/nodes=freebsd10-64/consoleFull and FreeBSD-11 of clang-3.6 without no OS prefix ,https://ci.nodejs.org/job/node-test-commit-freebsd/7474/nodes=freebsd11-x64/consoleFull .

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jasnell commented Mar 6, 2017

New CI: https://ci.nodejs.org/job/node-test-pull-request/6733/

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shigeki commented Mar 7, 2017

@jasnell Thanks for running CI.

All is green. Landed in efaab8f. Thanks.

@shigeki shigeki closed this Mar 7, 2017
shigeki added a commit that referenced this pull request Mar 7, 2017
@shigeki
build: fix llvm version detection in freebsd-10
efaab8f 
In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.

PR-URL: #11668
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
evanlucas pushed a commit that referenced this pull request Mar 8, 2017
@shigeki @evanlucas
build: fix llvm version detection in freebsd-10
e5b530c 
In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.

PR-URL: #11668
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
@evanlucas evanlucas mentioned this pull request Mar 8, 2017
Merged
MylesBorins pushed a commit that referenced this pull request Apr 17, 2017
@shigeki @MylesBorins
build: fix llvm version detection in freebsd-10
a31d6e2 
In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.

PR-URL: #11668
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
MylesBorins pushed a commit that referenced this pull request Apr 19, 2017
@shigeki @MylesBorins
build: fix llvm version detection in freebsd-10
a899b0b 
In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.

PR-URL: #11668
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
@MylesBorins MylesBorins mentioned this pull request Apr 19, 2017
Merged
andrew749 pushed a commit to michielbaird/node that referenced this pull request Jul 19, 2017
@shigeki @andrew749
build: fix llvm version detection in freebsd-10
a94eb66 
In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.

PR-URL: nodejs/node#11668
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
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@bnoordhuis bnoordhuis bnoordhuis approved these changes

@jasnell jasnell jasnell approved these changes

@cjihrig cjihrig cjihrig approved these changes

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