search for: build_external

...t; This is an area that has had a lot of development over the last two years. > > There are two supported ways in the LLVM build system to build compiler-rt > with the just-built compiler. > > 1) The legacy way is for if compiler-rt is under LLVM/projects. You can > specify -DLLVM_BUILD_EXTERNAL_COMPILER_RT=On, which will configure > compiler-rt using the just-built clang after clang is built. > I thought the BUILD_EXTERNAL variables were for use when projects were not embedded within the llvm source tree (mostly in use by Takumi's flat buildbots that checout the top-level proje...

...t; This is an area that has had a lot of development over the last two years. > > There are two supported ways in the LLVM build system to build compiler-rt > with the just-built compiler. > > 1) The legacy way is for if compiler-rt is under LLVM/projects. You can > specify -DLLVM_BUILD_EXTERNAL_COMPILER_RT=On, which will configure > compiler-rt using the just-built clang after clang is built. > > > I thought the BUILD_EXTERNAL variables were for use when projects were not > embedded within the llvm source tree (mostly in use by Takumi's flat > buildbots that checout...

...t; This is an area that has had a lot of development over the last two years. > > There are two supported ways in the LLVM build system to build compiler-rt > with the just-built compiler. > > 1) The legacy way is for if compiler-rt is under LLVM/projects. You can > specify -DLLVM_BUILD_EXTERNAL_COMPILER_RT=On, which will configure > compiler-rt using the just-built clang after clang is built. > > > I thought the BUILD_EXTERNAL variables were for use when projects were not > embedded within the llvm source tree (mostly in use by Takumi's flat > buildbots that checout...

...t; This is an area that has had a lot of development over the last two years. > > There are two supported ways in the LLVM build system to build compiler-rt > with the just-built compiler. > > 1) The legacy way is for if compiler-rt is under LLVM/projects. You can > specify -DLLVM_BUILD_EXTERNAL_COMPILER_RT=On, which will configure > compiler-rt using the just-built clang after clang is built. > > > I thought the BUILD_EXTERNAL variables were for use when projects were not > embedded within the llvm source tree (mostly in use by Takumi's flat > buildbots that checout...

On Wed, Mar 8, 2017 at 2:03 PM Sterling Augustine <saugustine at google.com> wrote: > Yes, this is a aspect of the larger problem that clang bootstrap doesn't > work for a cross-compiler. The build (mostly?) assumes that host==target > during the build of clang itself, and then if you want another architecture > also, you run a second build of the target libraries, and