search for: build_alway

...possible (not preferable) to do so at config time.</da> > > Is that where the current complication comes from? What makes it so > horrible and ends up as a home brew version of ExternalProject? Recent CMakes have a few interesting things for us in ExternalProject. CMake 3.1 added BUILD_ALWAYS (2a93843) which allows the build target of a sub-project to always be called. This is really important because when you use external projects the top-level build file doesn’t have the dependency information for the sub-projects. So if you change sources in compiler-rt it won’t know to rebuild comp...

Most of the comments I have are actually very well captured by Chandler's email, so I'm not going to pile on. I do have a few things to add. Renato, in your most recent email you comment about differentiating *stable* vs random versions of CMake built from source. I believe as a community our recommendation should be that people download CMake sources from https://CMake.org/download/

Hi Brad, I have a few questions regarding ExternalProject_Add. For me it doesn't really work as expected. I add the following code to the tools/clang/runtime/CMakeLists.txt to configure compiler-rt as external project: ExternalProject_Add(compiler-rt #DEPENDS clang clang++ llvm-config PREFIX ${CMAKE_BINARY_DIR}/projects/compiler-rt SOURCE_DIR ${COMPILER_RT_SRC_ROOT}