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  27 From: Jed Brown <jed@59A2.org>\r
  28 To: Tomi Ollila <tomi.ollila@iki.fi>, notmuch@notmuchmail.org\r
  29 Subject: Re: [PATCH 1/1] build: remove trailing '/.' when doing mkdir -p\r
  30         .deps/.\r
  31 In-Reply-To: <1383487535-21597-1-git-send-email-tomi.ollila@iki.fi>\r
  32 References: <1383487535-21597-1-git-send-email-tomi.ollila@iki.fi>\r
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  35 Date: Sun, 03 Nov 2013 08:35:03 -0700\r
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  40 Cc: tomi.ollila@iki.fi\r
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  54 \r
  55 --=-=-=\r
  56 Content-Type: text/plain\r
  57 \r
  58 Tomi Ollila <tomi.ollila@iki.fi> writes:\r
  59 \r
  60 >  %.o: %.cc $(global_deps)\r
  61 > -     @mkdir -p .deps/$(@D)\r
  62 > +     @mkdir -p $(patsubst %/.,%,.deps/$(@D))\r
  63 >       $(call quiet,CXX $(CPPFLAGS) $(CXXFLAGS)) -c $(FINAL_CXXFLAGS) $< -o $@ -MD -MP -MF .deps/$*.d\r
  64 \r
  65 An alternative approach is to use directory marker files [1] to clean up\r
  66 the recipes that need output directories and to satisfy Paul's second\r
  67 rule of makefiles [2].\r
  68 \r
  69 .SECONDEXPANSION:\r
  70 \r
  71 %.o: %.cc $(global_deps) | .deps/$$(@D)/.DIR\r
  72         $(call quiet,CXX $(CPPFLAGS) $(CXXFLAGS)) -c $(FINAL_CXXFLAGS) $< -o $@ -MD -MP -MF .deps/$*.d\r
  73 \r
  74 %/.DIR:\r
  75         @mkdir -p $(patsubst %/.,%,$(@D))\r
  76         @touch $@\r
  77 \r
  78 .PRECIOUS: %.DIR\r
  79 \r
  80 \r
  81 \r
  82 [1] http://www.cmcrossroads.com/article/making-directories-gnu-make\r
  83 [2] http://make.paulandlesley.org/rules.html\r
  84 \r
  85 --=-=-=\r
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 105 --=-=-=--\r