BUILD_BUG_ON_MSG(9)

💅 BUILD_BUG_ON_MSG(9) — bestie edition ✨

okay so welcome to BUILD_BUG_ON_MSG(9) from the Kernel API Manual 💖 this one is short and iconic: it's giving “break compile if a condition is true, and emit the supplied error message” energy. no cap.

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🌸 NAME 🌸

BUILD_BUG_ON_MSG — break compile if a condition is true & emit the supplied error message 💥

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🎀 SYNOPSIS 🎀

the whole call is literally:

BUILD_BUG_ON_MSG (cond , msg );

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🦋 ARGUMENTS 🦋

• cond — the condition which the compiler should know is false 🫶
• msg — build-time error message ✨

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💜 DESCRIPTION 💜

see BUILD_BUG_ON for the description, bestie — that's where the full tea is 🍵

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🔥 SEE ALSO 🔥

• Kernel file ./tools/include/linux/build_bug.h 👑
• BUILD_BUG_ON(9)
• BUILD_BUG(9)
• static_assert(9)

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okay bye, this page's source/version is ./tools/include/linux, its date is October 2026, and its title is BUILD_BUG_ON_MSG(9) — mwah 💋✨