Makefile.am

   1 # If you really want to, we support installing index.html
   2 # to (say) /usr/share/charm-bypass/index.html
   3 dist_pkgdata_DATA = index.html
   4
   5 # Based on e.g.
   6 #
   7 #   https://www.gnu.org/software/automake/manual/html_node/Scripts.html
   8 #
   9 # this looks like the best way to include "sources" for things that
  10 # aren't true programs/libraries.
  11 EXTRA_DIST =              \
  12   CharmBypass-Regular.sfd \
  13   CharmBypass-Bold.sfd    \
  14   favicon.svg             \
  15   index.html.in           \
  16   sfd2woff.ff             \
  17   svgclean.xsl            \
  18   tableau.svg
  19
  20 # List of element IDs that we use in the HTML document.
  21 PRECIOUS_IDS = \
  22   bus          \
  23   city         \
  24   citycopy     \
  25   codebg       \
  26   codetext     \
  27   clouds       \
  28   cloudscopy   \
  29   destination  \
  30   origin       \
  31   origindest   \
  32   train        \
  33   tram         \
  34   trees        \
  35   treescopy    \
  36   serviceid    \
  37   servicename  \
  38   sky          \
  39   ticket       \
  40   ticketbg     \
  41   ticketdate   \
  42   tickettime   \
  43   zone
  44
  45 # The base "scour" command used to optimize the tableau and favicon.
  46 SCOUR = @SCOUR@                 \
  47   --enable-id-stripping         \
  48   --enable-comment-stripping    \
  49   --remove-descriptive-elements \
  50   --no-renderer-workaround      \
  51   --no-line-breaks              \
  52   --error-on-flowtext
  53
  54 # Optimize the favicon using scour.
  55 favicon.min.svg: favicon.svg
  56         $(SCOUR) $< > $@
  57
  58 # Optimize the tableau once using XSL, to catch a few things that
  59 # "scour" will miss...
  60 tableau.min.svg: tableau.svg svgclean.xsl
  61         @XSLTPROC@ $(srcdir)/svgclean.xsl $< > $@
  62
  63 # Optimize the tableau (again) using scour, removing its XML prologue
  64 # so that it can be included directly into the HTML document.
  65 tableau.min.min.svg: tableau.min.svg
  66         $(SCOUR) --protect-ids-list=$$(echo $(PRECIOUS_IDS) | tr ' ' ',') \
  67                  --strip-xml-prolog \
  68                  $< > $@
  69
  70 # Use FontForge to convert the sfd source files to woff2.
  71 .sfd.woff2:
  72         @FONTFORGE@ -script $(srcdir)/sfd2woff.ff $< $@
  73
  74 # Base64-encode a woff2 (web open font format 2.0) file. We use this
  75 # to embed fonts directly into the CSS that requires them.
  76 .woff2.base64:
  77         @BASE64@ -w0 $< > $@
  78
  79 # Same with the favicon SVG.
  80 .svg.base64:
  81         @BASE64@ -w0 $< > $@
  82
  83 # List all of the dependencies of the final index.html that themselves
  84 # had to be built. We collect them here because they need to be listed
  85 # in two places, as dependencies of index.html, and in CLEANFILES.
  86 index_html_BUILTDEPS = \
  87   CharmBypass-Regular.base64 \
  88   CharmBypass-Bold.base64    \
  89   favicon.base64             \
  90   tableau.min.min.svg
  91
  92 # Build index.html by substituting the contents of a few (single
  93 # line!) files into @PLACEHOLDERS@ within index.html.in. If you put
  94 # tildes in tableau.svg this will break, so please don't do that.
  95 index.html: index.html.in $(index_html_BUILTDEPS)
  96         sed -e "s~@CBPREGULAR@~$$(cat CharmBypass-Regular.base64)~" \
  97             -e "s~@CBPBOLD@~$$(cat CharmBypass-Bold.base64)~" \
  98             -e "s~@FAVICON@~$$(cat favicon.base64)~" \
  99             -e "s~@SVGDATA@~$$(cat tableau.min.min.svg)~" \
 100             $< > $@
 101
 102 # Automake doesn't understand our wacky build process so we have to
 103 # tell it which files are produced by running "make".
 104 CLEANFILES =              \
 105   $(dist_pkgdata_DATA)    \
 106   $(index_html_BUILTDEPS) \
 107   favicon.min.svg         \
 108   tableau.min.svg