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69c4db9338
For some reason, the default setting in all Toolchain.cmake is: ``` set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH) ``` For cross-compilation, CMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER makes sense (we only want to find executables in host system root), but CMAKE_FIND_ROOT_PATH_MODE_LIBRARY/INCLUDE should be set to ONLY, otherwise cmake may find libraries in host system root, and try to link with incompatible libraries (instead of cross-compilation sysroot). Fixes #431.
21 lines
653 B
CMake
21 lines
653 B
CMake
set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_VERSION 1)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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set(cross_triple "aarch64-unknown-linux-gnu")
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set(cross_root /usr/xcc/${cross_triple})
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set(CMAKE_C_COMPILER $ENV{CC})
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set(CMAKE_CXX_COMPILER $ENV{CXX})
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set(CMAKE_Fortran_COMPILER $ENV{FC})
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set(CMAKE_CXX_FLAGS "-I ${cross_root}/include/")
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set(CMAKE_FIND_ROOT_PATH ${cross_root} ${cross_root}/${cross_triple})
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_SYSROOT ${cross_root}/${cross_triple}/sysroot)
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set(CMAKE_CROSSCOMPILING_EMULATOR /usr/bin/qemu-aarch64)
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