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arduino
Adding support for sketch-specific build properties
Tests for existence of a build_props.txt file in the sketch directory. If present reads properties similar to those found in the hardware and board files, allowing the user to easily customise the build for a specific sketch. Most useful when containing lines similar to
compiler.c.extra_flags=-D NDEBUG
compiler.cpp.extra_flags=-D NDEBUG -D MYLIBRARY_BUFSIZE=100
which enables the user to have macros defined for all compilation units, including libraries.
Signed-off-by: Steve Marple [email protected]
One point of consideration: adding sketch-specific build properties allows the user to override build.path (which is removed when all compilation units must be rebuilt), commands such as compiler.cmd and paths such as compiler.path. Sketches and their build_props.txt file taken from untrusted sources could therefore be considered harmful. This could be mitigated by requiring a user-preference to be set before sketch-specific build properties are enabled. Alternatively the properties could be limited to a subset (eg by excluding *.path, *.cmd, and recipe.*).
Assigning to @cmaglie: he will explain why such external defines are considered harmful
Hey, @arduino, @ffissore, @cmaglie ... I think this pull request implements a very useful and missing feature - what do you think about merging it?
@max-weller sorry you missed the news. I no longer work for arduino https://groups.google.com/a/arduino.cc/forum/#!msg/developers/YJLX6AZHem4/kpsLef7XBAAJ
