I’m using the externalproject_add command to build a non-cmake project. To the build I am passing CXXFLAGS=value, but I cannot manage to get any spaces into the value no matter how I quote, use variables, use escapes, etc. Searching turns up other people with the same problem and no particularly good solutions. One example was to use cmake_command -E echo to create a wrapper script that contains the desired string, however this isn’t working for me either (its seems to behave as if the cmake_command variable is empty or undefined). This seems WAY harder than it should be...
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