Date: Fri, 25 Apr 2025 10:26:03 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 286342] libc++: compiling with -fmodules broken when including <locale> Message-ID: <bug-286342-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286342 Bug ID: 286342 Summary: libc++: compiling with -fmodules broken when including <locale> Product: Base System Version: 15.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: jgopensource@proton.me The following two-line C++ program fails to compile with -fmodules on FreeBSD 15.0-CURRENT: #include <locale> int main() {} The command executed is: clang++ -fmodules demo.cpp The error message is: /usr/include/c++/v1/locale:730:68: error: use of undeclared identifier 'strtoll_l' Verified on FreeBSD/arm64 15.0-CURRENT, snapshot from 2025-04-22. Without -fmodules the program compiles successfully. On FreeBSD 14.2 with or without -fmodules the program compiles successfully, so this can be considered a regression. Other headers in libc++ (for example <vector> and <iostream>) include <locale> so the problem affects even programs that don't include <locale> directly. -- You are receiving this mail because: You are the assignee for the bug.home | help
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