需要 openSUSE Factory zSystems ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory_zSystems/devel:tools:compiler.repo
zypper refresh
zypper install llvm15
需要 openSUSE Factory RISCV ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory_RISCV/devel:tools:compiler.repo
zypper refresh
zypper install llvm15
需要 openSUSE Factory PowerPC ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory_PowerPC/devel:tools:compiler.repo
zypper refresh
zypper install llvm15
需要 openSUSE Factory ARM ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory_ARM/devel:tools:compiler.repo
zypper refresh
zypper install llvm15
需要 openSUSE Factory ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory/devel:tools:compiler.repo
zypper refresh
zypper install llvm15
需要 16.0 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/16.0/devel:tools:compiler.repo
zypper refresh
zypper install llvm15
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/15.6/devel:tools:compiler.repo
zypper refresh
zypper install llvm15