mirror of https://github.com/rusefi/rusefi.git
20 lines
988 B
Makefile
20 lines
988 B
Makefile
TGT_SENTINEL = $(PROJECT_DIR)/.target-sentinel
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# This sentinel's purpose is to trigger rebuilds when building for a different target.
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# SHORT_BOARD_NAME doesn't cover all possible changes.
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# For example, if I build Proteus F7, then build Proteus F7 Debug, it won't actually rebuild,
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# because SHORT_BOARD_NAME hasn't changed. BUNDLE_NAME would be a better specifier,
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# but it's currently only available from the build_firmware GHA workflow.
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# Another option would be to use BOARD_META_PATH, and export it in config.sh.
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$(TGT_SENTINEL): .FORCE
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if [ "$$(cat $@ 2>/dev/null)" != $(SHORT_BOARD_NAME) ]; then \
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echo $(SHORT_BOARD_NAME) >$@; fi
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.FORCE:
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# This is necessary because the ChibiOS makefile builds a .o file and generates
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# the deps for that .o file in the same GCC call, so if the .deps aren't already
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# in the correct state, things can fail to build because Make doesn't know it needs
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# to build the prerequisites for those files ahead of time.
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$(OBJS): $(TGT_SENTINEL)
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