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So you're method might work at least in principle. The actual commands
presented here don't quite work for me, but I suspect this is due to a
minor issue with the grep options or I/O redirections. (I get the full
output from gcc -v, not just a directory line.)
Sorry, cut'n'pasto. There should be a 2>&1 before the other two redirections - here's the exact line from my command shell:
/artimi $ mkdir -p LOOK_HERE_FOR_SYSTEM_DIR && gcc -v -E - 2>&1 </dev/null
Yeah, that's a lot better ;-)/dev/null -isystem LOOK_HERE_FOR_SYSTEM_DIR | grep -A1LOOK_HERE_FOR_SYSTEM_DIR | tail -1 /usr/local/include
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