awk.Makefile 1.47 KB
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# awk program that patches the Makefile generated by Coq.

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# Detect the name this project will be installed under.
/\$\(COQLIBINSTALL\)\/.*\/\$\$i/ {
# Wow, POSIX awk is really broken.  I mean, isn't it supposed to be a text processing language?
# And there is not even a way to access the matched groups of a regexp...?!? Lucky enough,
# we can just split the string at '/' here.
	split($0, PIECES, /\//);
	PROJECT=PIECES[2];
}

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# Patch the uninstall target to work properly, and to also uninstall stale files.
# Also see <https://coq.inria.fr/bugs/show_bug.cgi?id=4907>.
/^uninstall:/ {
	print "uninstall:";
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	print "\tif [ -d \"$(DSTROOT)\"$(COQLIBINSTALL)/"PROJECT"/ ]; then find \"$(DSTROOT)\"$(COQLIBINSTALL)/"PROJECT"/ \\( -name \"*.vo\" -o \\( -type d -empty \\) \\) -print -delete; fi";
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	getline;
	next
}

# Patch vio2vo to (a) run "make quick" with the same number of jobs, ensuring
# that the .vio files are up-to-date, and (b) only schedule vio2vo for those
# files where the .vo is *older* than the .vio.
/^vio2vo:/ {
	print "vio2vo:";
	print "\t@make -j $(J) quick"
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	print "\t@VIOFILES=$$(for file in $(VOFILES:%.vo=%.vio); do vofile=\"$$(echo \"$$file\" | sed \"s/\\.vio/.vo/\")\"; if [ \"$$vofile\" -ot \"$$file\" -o ! -e \"$$vofile\" ]; then echo -n \"$$file \"; fi; done); \\"
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	print "\t echo \"VIO2VO: $$VIOFILES\"; \\"
	print "\t if [ -n \"$$VIOFILES\" ]; then $(COQC) $(COQDEBUG) $(COQFLAGS) -schedule-vio2vo $(J) $$VIOFILES; fi"
	getline;
	next
}

# This forwards all unchanged lines
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