How can I optimize my CMake build for faster compilation?
You can optimize your CMake build by using the CMAKE_BUILD_TYPE
variable to set it to Release
, enabling compiler optimizations.
Are there specific flags I should use for GCC?
Yes, for GCC, you can use flags like -O2
or -O3
for optimization, and -j
to enable parallel builds.
What about using precompiled headers?
Precompiled headers can significantly reduce compilation time. You can set them up in CMake using the target_precompile_headers
command.
Can I cache build results to speed up subsequent builds?
Absolutely! You can use CMake's CMAKE_CXX_COMPILER_LAUNCHER
to set up a caching mechanism like ccache.
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