ruki

Did you add msys2 package to your project now?

try this patch again, and remove `add_requires/add_packages("msys")`

please do not call `set_toolset()` to set it outside toolchain. These configurations are not part of the cosmocc toolchain and do not bind to the cosmocc toolchain environment. please just...

The cosmocc toolchain already use cosmoc++, so you don't need to change it. https://github.com/xmake-io/xmake/blob/f20c40bf589088ee7738740f73af3504fbfb3317/xmake/toolchains/cosmocc/xmake.lua#L31-L35

cosmoc++ is a symlink of cosmocc, but 7z cannot extract it as symlink on windows, so we cannot run it on windows. we should improve cosmocc package, and use `os.cp`...

https://github.com/xmake-io/xmake-repo/pull/5126

you need move `set_toolchains("@cosmocc")` to the root description scope, otherwise abseil still use platform toolchain.

try ```console xrepo remove --all -y cosmocc xrepo update-repo xmake f -cvD xmake ```

window platform will bind msvc toolchain, it does not support to switch toolchain. please use cross platform ```console xmake update -s dev xmake f -p cross -cvD xmake ``` BTW,...

> C:\Program Files\CMake\bin\cmake -DCMAKE_CXX_STANDARD=17 -DABSL_ENABLE_INSTALL=ON -DABSL_PROPAGATE_CXX_STD=ON -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=C:\Users\admin\AppData\Local\.xmake\packages\a\abseil\20240722.0\195caa6087854884a4361697842d5ea5 -DCMAKE_INSTALL_LIBDIR:PATH=lib -G "Unix Makefiles" -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=BOTH -DCMAKE_CXX_COMPILER=C:/Users/admin/AppData/Local/.xmake/packages/c/cosmocc/3.8.0/4344cbd8aaa646b9862980b024cbf2e5/bin/cosmoc++.exe -DCMAKE_AR=C:/Users/admin/AppData/Local/.xmake/packages/c/cosmocc/3.8.0/4344cbd8aaa646b9862980b024cbf2e5/bin/cosmoar.exe -DCMAKE_C_COMPILER=C:/Users/admin/AppData/Local/.xmake/packages/c/cosmocc/3.8.0/4344cbd8aaa646b9862980b024cbf2e5/bin/cosmocc.exe -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH -DCMAKE_FIND_USE_CMAKE_SYSTEM_PATH=0 -DCMAKE_ASM_COMPILER=C:/Users/admin/AppData/Local/.xmake/packages/c/cosmocc/3.8.0/4344cbd8aaa646b9862980b024cbf2e5/bin/cosmocc.exe -DHAVE_FLAG_SEARCH_PATHS_FIRST=0 -DCMAKE_FIND_USE_INSTALL_PREFIX=0 -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH -DCMAKE_OSX_SYSROOT= -DCMAKE_STATIC_LINKER_FLAGS= C:\Users\admin\AppData\Local\.xmake\cache\packages\2409\a\abseil\20240722.0\source CMake Error:...