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For clang, this allows passing -target <triple> to the compiler, and
for qcc, -V<arch> using toolchain files containing something like
set(triple arm-linux-gnueabihf)
set(CMAKE_C_COMPILER "/usr/bin/clang")
set(CMAKE_C_COMPILER_TARGET ${triple})
set(CMAKE_CXX_COMPILER "/usr/bin/clang++")
set(CMAKE_CXX_COMPILER_TARGET ${triple})
or
set(arch gcc_ntoarmv7le)
set(CMAKE_C_COMPILER /opt/qnx650/host/linux/x86/usr/bin/qcc)
set(CMAKE_C_COMPILER_TARGET ${arch})
set(CMAKE_CXX_COMPILER /opt/qnx650/host/linux/x86/usr/bin/QCC)
set(CMAKE_CXX_COMPILER_TARGET ${arch})
Both clang and qcc are inherently cross compiler( driver)s.
When cross-compiling with clang, use the CMAKE_${lang}_COMPILER_TARGET
as the _CMAKE_TOOLCHAIN_PREFIX to find the appropriate binutils.
When cross-compiling with QNX qcc, use the CMAKE_${lang}_COMPILER_TARGET
to set the appropriate _CMAKE_TOOLCHAIN_PREFIX.
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| .. | ||
| ccmake.1.rst | ||
| cmake-commands.7.rst | ||
| cmake-developer.7.rst | ||
| cmake-generator-expressions.7.rst | ||
| cmake-generators.7.rst | ||
| cmake-gui.1.rst | ||
| cmake-language.7.rst | ||
| cmake-modules.7.rst | ||
| cmake-policies.7.rst | ||
| cmake-properties.7.rst | ||
| cmake-variables.7.rst | ||
| cmake.1.rst | ||
| cpack.1.rst | ||
| ctest.1.rst | ||
| LINKS.txt | ||
| OPTIONS_BUILD.txt | ||
| OPTIONS_HELP.txt | ||