nix/substitute.mk

%: %.in Makefile
	sed \
	 -e "s^@prefix\@^$(prefix)^g" \
	 -e "s^@bindir\@^$(bindir)^g" \
	 -e "s^@sysconfdir\@^$(sysconfdir)^g" \
	 -e "s^@localstatedir\@^$(localstatedir)^g" \
	 -e "s^@datadir\@^$(datadir)^g" \
	 -e "s^@host\@^$(host)^g" \
	 -e "s^@wget\@^$(wget)^g" \
	 < $< > $@ || rm $@
	chmod +x $@
* Refactorings. 2003-07-20 15:29:38 -04:00			`%: %.in Makefile`
			`sed \`
* Maintain integrity of the substitute and successor mappings when deleting a path in the store. * Allow absolute paths in Nix expressions. * Get nix-prefetch-url to work again. * Various other fixes. 2003-11-22 13:45:56 -05:00			`-e "s^@prefix\@^$(prefix)^g" \`
			`-e "s^@bindir\@^$(bindir)^g" \`
			`-e "s^@sysconfdir\@^$(sysconfdir)^g" \`
			`-e "s^@localstatedir\@^$(localstatedir)^g" \`
			`-e "s^@datadir\@^$(datadir)^g" \`
			`-e "s^@host\@^$(host)^g" \`
			`-e "s^@wget\@^$(wget)^g" \`
* Refactorings. 2003-07-20 15:29:38 -04:00			`< $< > $@ \|\| rm $@`
			`chmod +x $@`