[Bug libstdc++/119673] MinGW-w64 GCC with win32 thread model cannot compile 'std' module

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119673 --- Comment #1 from Cyano Hao --- Command to compile std module: ``` Z:\tmp\test\mingw64-win32-15\mingw64-win32-15\bin\x86_64-w64-mingw32-g++ -c -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++23 -fmodules-ts -D_GLIBCXX_USE_CXX

[Bug libstdc++/119673] New: MinGW-w64 GCC with win32 thread model cannot compile 'std' module

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119673 Bug ID: 119673 Summary: MinGW-w64 GCC with win32 thread model cannot compile 'std' module Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/119081] libstdc++.modules.json generated with incorrect relative path if configured with '--prefix=/' or '--prefix=' (empty)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119081 --- Comment #3 from Cyano Hao --- Empty prefix can be used to avoid hard-coded absolute paths so compilers can be copied/moved anywhere. I recently learned it from the musl-cross-make project [1]. I plan to build GCC 15 using this method and bu

[Bug libstdc++/119081] New: libstdc++.modules.json generated with incorrect relative path if configured with '--prefix=/' or '--prefix=' (empty)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119081 Bug ID: 119081 Summary: libstdc++.modules.json generated with incorrect relative path if configured with '--prefix=/' or '--prefix=' (empty) Product: gcc Version