build: Enable -Wbidi-chars=any #31315

maflcko commented at 10:07 AM on November 18, 2024: member

I don't see a use-case for UTF-8 bidirectional control characters in this codebase. So disable them for now.

Ref: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wbidi-chars_003d

build: Enable -Wbidi-chars=any fa7857ccda

DrahtBot commented at 10:07 AM on November 18, 2024: contributor

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Code Coverage & Benchmarks

For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/31315.

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DrahtBot added the label Build system on Nov 18, 2024

maflcko commented at 10:07 AM on November 18, 2024: member

Can be tested with the patch in https://github.com/bitcoin/bitcoin/pull/31314

maflcko added the label DrahtBot Guix build requested on Nov 18, 2024

DrahtBot commented at 10:18 AM on November 19, 2024: contributor

Guix builds (on x86_64) [untrusted test-only build, possibly unsafe, not for production use]

File	commit ccc2d3abcd39c64a78e366f3e4794de729155e9e<br>(master)	commit 38eb54623ea2ac45521e3afcb4d2299d69a2c920<br>(master and this pull)
SHA256SUMS.part	`90e69a2116dbf9e4...`	`36759a3ecd316972...`
*-aarch64-linux-gnu-debug.tar.gz	`fde1af48d37a7e97...`	`da38242de4f529cc...`
*-aarch64-linux-gnu.tar.gz	`1c2eac1b42cc0b62...`	`c3ade7c60790c5fa...`
*-arm-linux-gnueabihf-debug.tar.gz	`0aa342647eea4fb5...`	`2506f8a8284eee26...`
*-arm-linux-gnueabihf.tar.gz	`76579326566230b7...`	`190d6ea4496bc9a8...`
*-arm64-apple-darwin-unsigned.tar.gz	`58c5a98ee0ec9797...`	`c665dd240531e77e...`
*-arm64-apple-darwin-unsigned.zip	`5e19ae710c461bb9...`	`ef2206ff316b3f98...`
*-arm64-apple-darwin.tar.gz	`3b5b4f0f4e9df258...`	`dd4c75df87fa82ee...`
*-powerpc64-linux-gnu-debug.tar.gz	`03ff4e3e74211df6...`	`d9fb643108017872...`
*-powerpc64-linux-gnu.tar.gz	`3d17abb62ce153d6...`	`234ddf95d88a6ff8...`
*-riscv64-linux-gnu-debug.tar.gz	`286828089dcfe4fa...`	`d1e0fecd44f2a5a0...`
*-riscv64-linux-gnu.tar.gz	`6e876fc93ca507da...`	`f9b0acb51e71d4ef...`
*-x86_64-apple-darwin-unsigned.tar.gz	`a0acfc231f9e5df5...`	`4f6f861277e59124...`
*-x86_64-apple-darwin-unsigned.zip	`cd2275751a11c7e0...`	`c2977620766af4df...`
*-x86_64-apple-darwin.tar.gz	`d5591dd5c0f3f8c6...`	`f1721e9d33dd8951...`
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*-x86_64-linux-gnu.tar.gz	`9c265daa1cf5e8e2...`	`8e0e34170b0b97b5...`
*.tar.gz	`0cadc668da7ea099...`	`6792ee66abffa01e...`
guix_build.log	`a1ce391ae2e3aa46...`	`27bfab3cfd88b974...`
guix_build.log.diff		`1839cfffe620f66f...`

DrahtBot removed the label DrahtBot Guix build requested on Nov 19, 2024

fanquake commented at 2:16 PM on November 19, 2024: member

Concept ACK - looks like GH also tries to warn about this. hidden

fanquake approved

fanquake commented at 10:54 AM on November 20, 2024: member

ACK fa7857ccda5d82739bba16eeb7244433978d28f3

/root/ci_scratch/src/kernel/cs_main.cpp:8:33: warning: found problematic Unicode character "U+202E (RIGHT-TO-LEFT OVERRIDE)" [-Wbidi-chars=]
    8 | RecursiveMutex cs_main; // 1234 <U+202E> 1234 <U+202C>
      |                                 ^~~~~~~~

fanquake merged this on Nov 20, 2024

fanquake closed this on Nov 20, 2024

maflcko deleted the branch on Nov 20, 2024

hebasto commented at 12:27 PM on November 21, 2024: member

Post-merge ACK fa7857ccda5d82739bba16eeb7244433978d28f3. This compiler option is recommended in the Compiler Options Hardening Guide for C and C++.

TheCharlatan referenced this in commit bd64a555d7 on Dec 3, 2024

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stickies-v referenced this in commit 6816a65596 on Dec 18, 2024

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