labath added a comment. In D103127#2990249 <https://reviews.llvm.org/D103127#2990249>, @pcc wrote:
> In D103127#2985203 <https://reviews.llvm.org/D103127#2985203>, @labath wrote: > >> How exactly are you building this? CMAKE_SYSTEM_NAME is set in the official >> android cmake toolchain file >> (https://android.googlesource.com/platform/ndk/+/refs/heads/ndk-release-r23/build/cmake/android.toolchain.cmake#213) > > I configured cmake using a script that looks like this: > > #!/bin/sh > > target_flags='--target=aarch64-linux-android21 > --sysroot=/path/to/android-ndk-r21-beta1/toolchains/llvm/prebuilt/linux-x86_64/sysroot > > --gcc-toolchain=/path/to/android-ndk-r21-beta1/toolchains/llvm/prebuilt/linux-x86_64 > -mno-outline-atomics' > > cmake \ > -GNinja \ > -DCMAKE_BUILD_TYPE=Release \ > -DLLVM_ENABLE_ASSERTIONS=ON \ > -DCMAKE_C_COMPILER=`pwd`/../ra/bin/clang \ > -DCMAKE_CXX_COMPILER=`pwd`/../ra/bin/clang++ \ > -DLLVM_ENABLE_THREADS=OFF \ > -DLLVM_CONFIG_PATH=`pwd`/../ra/bin/llvm-config \ > "-DCMAKE_C_FLAGS=$target_flags" \ > "-DCMAKE_CXX_FLAGS=$target_flags" \ > "-DCMAKE_ASM_FLAGS=$target_flags" \ > -DSANITIZER_CXX_ABI=none \ > -DSANITIZER_CXX_ABI_LIBRARY=c++abi \ > -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld -Wl,-lstdc++ -static-libstdc++ > --rtlib=libgcc" \ > -DCMAKE_SHARED_LINKER_FLAGS=-Wl,-u__cxa_demangle \ > -DANDROID=1 \ > -DCOMPILER_RT_INCLUDE_TESTS=ON \ > "-DCOMPILER_RT_TEST_COMPILER_CFLAGS=$target_flags" \ > -DLLVM_TABLEGEN=`pwd`/../ra/bin/llvm-tblgen \ > -DLLDB_TABLEGEN=`pwd`/../ra/bin/lldb-tblgen \ > -DCLANG_TABLEGEN=`pwd`/../ra/bin/clang-tblgen \ > -DLLVM_ENABLE_PROJECTS='clang;lldb' \ > -DLLDB_ENABLE_LIBEDIT=0 \ > -DLLDB_ENABLE_LIBXML2=0 \ > -DLLVM_HOST_TRIPLE=aarch64-linux-android21 \ > -DCMAKE_SYSTEM_NAME=Android \ > -DLLVM_TARGETS_TO_BUILD='X86;AArch64' \ > ../../llvm > > But now I'm switching to gn to build LLDB, so I don't need to worry about > this any more. Yeah, that's not really the right way to use cmake. You're supposed to create a toolchain file (similar to the android one), and use appropriate cmake variables (like CMAKE_SYSROOT) instead of putting everything inside CXXFLAGS. From within the toolchain file, you could also set the right value of CMAKE_SYSTEM_NAME, and then everything would work. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D103127/new/ https://reviews.llvm.org/D103127 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits