lib/build-html.mk

   1 ########################################################################
   2 # Copyright (C) 2021, 2022  Alejandro Colomar <alx.manpages@gmail.com>
   3 # SPDX-License-Identifier:  GPL-2.0  OR  LGPL-2.0
   4 ########################################################################
   5
   6
   7 ifndef MAKEFILE_BUILD_HTML_INCLUDED
   8 MAKEFILE_BUILD_HTML_INCLUDED := 1
   9
  10
  11 include $(srcdir)/lib/build.mk
  12 include $(srcdir)/lib/cmd.mk
  13 include $(srcdir)/lib/src.mk
  14
  15
  16 htmlext  := .html
  17 _HTMLDIR := $(builddir)/html
  18
  19
  20 DEFAULT_MAN2HTMLFLAGS :=
  21 EXTRA_MAN2HTMLFLAGS   :=
  22 MAN2HTMLFLAGS         := $(DEFAULT_MAN2HTMLFLAGS) $(EXTRA_MAN2HTMLFLAGS)
  23 MAN2HTML              := man2html
  24
  25
  26 _HTMLPAGES := $(patsubst $(MANDIR)/%,$(_HTMLDIR)/%.html,$(MANPAGES))
  27 _HTMLDIRS  := $(patsubst $(MANDIR)/%,$(_HTMLDIR)/%/.,$(MANDIRS))
  28
  29
  30 # Use with
  31 #  make MAN2HTMLFLAGS=whatever html
  32 # The sed removes the lines "Content-type: text/html\n\n"
  33 $(_HTMLPAGES): $(_HTMLDIR)/%.html: $(MANDIR)/% | $$(@D)/.
  34         $(info MAN2HTML $@)
  35         $(MAN2HTML) $(MAN2HTMLFLAGS) $< \
  36         | $(SED) -e 1,2d >$@
  37
  38 $(_HTMLDIRS): %/.: | $$(dir %). $(_HTMLDIR)/.
  39
  40
  41 .PHONY: build-html html
  42 build-html html: $(_HTMLPAGES) | builddirs-html
  43         @:
  44
  45 .PHONY: builddirs-html
  46 builddirs-html: $(_HTMLDIRS)
  47         @:
  48
  49
  50 endif  # MAKEFILE_BUILD_HTML_INCLUDED