bazel4.2 from devel:tools:building project

需要 openSUSE Factory PowerPC ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/devel:tools:building/openSUSE_Factory_PowerPC/devel:tools:building.repo
zypper refresh
zypper install bazel4.2

需要 openSUSE Factory ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/devel:tools:building/openSUSE_Factory/devel:tools:building.repo
zypper refresh
zypper install bazel4.2

需要 15.7 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/devel:tools:building/15.7/devel:tools:building.repo
zypper refresh
zypper install bazel4.2

需要 15.6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/devel:tools:building/15.6/devel:tools:building.repo
zypper refresh
zypper install bazel4.2

需要 SLE 12 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/devel:tools:building/SLE_12/devel:tools:building.repo
zypper refresh
zypper install bazel4.2