| #=============================================================================== |
| # Define targets for linking against the selected C library |
| # |
| # After including this file, the following targets are defined: |
| # - libcxx-libc-headers: An interface target that allows getting access to the |
| # headers of the selected C library. |
| # - libcxx-libc-shared: A target representing the selected shared C library. |
| # - libcxx-libc-static: A target representing the selected static C library. |
| #=============================================================================== |
| |
| # Link against a system-provided libc |
| if (LIBCXX_LIBC STREQUAL "system") |
| add_library(libcxx-libc-headers INTERFACE) |
| |
| add_library(libcxx-libc-static INTERFACE) |
| add_library(libcxx-libc-shared INTERFACE) |
| |
| # Link against the in-tree LLVM libc |
| elseif (LIBCXX_LIBC STREQUAL "llvm-libc") |
| add_library(libcxx-libc-headers INTERFACE) |
| target_link_libraries(libcxx-libc-headers INTERFACE libc-headers) |
| if(CXX_SUPPORTS_NOSTDLIBINC_FLAG) |
| target_compile_options(libcxx-libc-headers INTERFACE "-nostdlibinc") |
| endif() |
| |
| add_library(libcxx-libc-static INTERFACE) |
| if (TARGET libc) |
| target_link_libraries(libcxx-libc-static INTERFACE libc) |
| endif() |
| if (TARGET libm) |
| target_link_libraries(libcxx-libc-static INTERFACE libm) |
| endif() |
| if (CXX_SUPPORTS_NOLIBC_FLAG) |
| target_link_options(libcxx-libc-static INTERFACE "-nolibc") |
| endif() |
| |
| # TODO: There's no support for building LLVM libc as a shared library yet. |
| add_library(libcxx-libc-shared INTERFACE) |
| endif() |
