doc/man/Makefile.am

   1 # SPDX-License-Identifier: GPL-2.0-only
   2
   3 # Man pages are only built if they are enabled at configure time.
   4 #
   5 # They should always be built before creating a distribution tarball.
   6
   7 # function which adds the source directory prefix and adds a given suffix
   8 manaddsuffix = $(addsuffix $(1),$(addprefix $(srcdir)/,$(2)))
   9
  10 # List only the names without the .*.txt extension here:
  11 MAN1_NAMES = \
  12         lttng \
  13         lttng-create \
  14         lttng-destroy \
  15         lttng-set-session \
  16         lttng-save \
  17         lttng-load \
  18         lttng-start \
  19         lttng-stop \
  20         lttng-version \
  21         lttng-view \
  22         lttng-enable-channel \
  23         lttng-disable-channel \
  24         lttng-add-context \
  25         lttng-list \
  26         lttng-track \
  27         lttng-untrack \
  28         lttng-status \
  29         lttng-help \
  30         lttng-snapshot \
  31         lttng-enable-event \
  32         lttng-disable-event \
  33         lttng-crash \
  34         lttng-metadata \
  35         lttng-regenerate \
  36         lttng-rotate \
  37         lttng-enable-rotation \
  38         lttng-disable-rotation \
  39         lttng-clear
  40 MAN3_NAMES =
  41 MAN8_NAMES = lttng-sessiond lttng-relayd
  42 MAN1_NO_ASCIIDOC_NAMES =
  43 MAN3_NO_ASCIIDOC_NAMES = lttng-health-check
  44 MAN8_NO_ASCIIDOC_NAMES =
  45
  46 # AsciiDoc sources and outputs
  47 MAN1_TXT = $(call manaddsuffix,.1.txt,$(MAN1_NAMES))
  48 MAN3_TXT = $(call manaddsuffix,.3.txt,$(MAN3_NAMES))
  49 MAN8_TXT = $(call manaddsuffix,.8.txt,$(MAN8_NAMES))
  50 MAN_TXT = $(MAN1_TXT) $(MAN3_TXT) $(MAN8_TXT)
  51 MAN_XML = $(patsubst $(srcdir)/%.txt,%.xml,$(MAN_TXT))
  52
  53 # common AsciiDoc source files
  54 COMMON_TXT = \
  55         $(srcdir)/common-footer.txt \
  56         $(srcdir)/common-cmd-footer.txt \
  57         $(srcdir)/common-cmd-options-head.txt \
  58         $(srcdir)/common-cmd-help-options.txt
  59
  60 # config
  61 ASCIIDOC_CONF = $(srcdir)/asciidoc.conf
  62 ASCIIDOC_ATTRS_CONF = $(builddir)/asciidoc-attrs.conf
  63 XSL_FILE = $(srcdir)/manpage.xsl
  64
  65 # common dependencies
  66 COMMON_DEPS = $(ASCIIDOC_CONF) $(COMMON_TXT)
  67
  68 # man pages destinations
  69 MAN1 = $(addsuffix .1,$(MAN1_NAMES))
  70 MAN3 = $(addsuffix .3,$(MAN3_NAMES))
  71 MAN8 = $(addsuffix .8,$(MAN8_NAMES))
  72 MAN1_NO_ASCIIDOC = $(addsuffix .1,$(MAN1_NO_ASCIIDOC_NAMES))
  73 MAN3_NO_ASCIIDOC = $(addsuffix .3,$(MAN3_NO_ASCIIDOC_NAMES))
  74 MAN8_NO_ASCIIDOC = $(addsuffix .8,$(MAN8_NO_ASCIIDOC_NAMES))
  75 MAN = $(MAN1) $(MAN3) $(MAN8)
  76
  77 # initially empty
  78 CLEANFILES =
  79
  80 if EMBED_HELP
  81 mantoh_verbose = $(mantoh_verbose_@AM_V@)
  82 mantoh_verbose_ = $(mantoh_verbose_@AM_DEFAULT_V@)
  83 mantoh_verbose_0 = @echo "  MANTOH    " $@;
  84
  85 MAN1_H = $(addsuffix .1.h,$(MAN1_NAMES))
  86 MAN3_H = $(addsuffix .3.h,$(MAN3_NAMES))
  87 MAN8_H = $(addsuffix .8.h,$(MAN8_NAMES))
  88 MAN_H = $(MAN1_H) $(MAN3_H) $(MAN8_H)
  89 MAN_H_RECIPE = \
  90         $(mantoh_verbose_0)\
  91         MANWIDTH=80 @MANPROG@ --encoding=UTF-8 --no-hyphenation --no-justification --local-file $< > $@ ; \
  92         $(SED) -i 's/\\/\\\\/g' $@ ; \
  93         $(SED) -i 's/"/\\"/g' $@ ; \
  94         $(SED) -i 's/^\(.*\)$$/"\1\\n"/' $@
  95
  96 %.1.h: %.1
  97         $(MAN_H_RECIPE)
  98
  99 %.3.h: %.3
 100         $(MAN_H_RECIPE)
 101
 102 %.8.h: %.8
 103         $(MAN_H_RECIPE)
 104
 105 all-local: $(MAN_H)
 106
 107 CLEANFILES += $(MAN_H)
 108 endif # EMBED_HELP
 109
 110 if MAN_PAGES_OPT
 111 # at this point, we know the user asked to build the man pages
 112 if HAVE_ASCIIDOC_XMLTO
 113
 114 asciidoc_verbose = $(asciidoc_verbose_@AM_V@)
 115 asciidoc_verbose_ = $(asciidoc_verbose_@AM_DEFAULT_V@)
 116 asciidoc_verbose_0 = @echo "  ASCIIDOC  " $@;
 117
 118 xmlto_verbose = $(xmlto_verbose_@AM_V@)
 119 xmlto_verbose_ = $(xmlto_verbose_@AM_DEFAULT_V@)
 120 xmlto_verbose_0 = @echo "  XMLTO     " $@;
 121
 122 # tools
 123 ADOC = $(asciidoc_verbose)$(ASCIIDOC) -f $(ASCIIDOC_CONF) -f $(ASCIIDOC_ATTRS_CONF) -d manpage
 124 ADOC_DOCBOOK = $(ADOC) -b docbook
 125 XTO = $(xmlto_verbose)$(XMLTO) -m $(XSL_FILE) man
 126
 127 # only add this dependency if we can build the man pages because it's
 128 # a file generated by the configure script, so it's more recent than
 129 # the pregenerated man pages in a tarball
 130 COMMON_DEPS += $(ASCIIDOC_ATTRS_CONF)
 131
 132 # recipes
 133 %.1.xml: $(srcdir)/%.1.txt $(COMMON_DEPS)
 134         $(ADOC_DOCBOOK) -o $@ $<
 135
 136 %.1: %.1.xml $(XSL_FILE)
 137         $(XTO) $< 2>/dev/null
 138
 139 %.3.xml: $(srcdir)/%.3.txt $(COMMON_DEPS)
 140         $(ADOC_DOCBOOK) -o $@ $<
 141
 142 %.3: %.3.xml $(XSL_FILE)
 143         $(XTO) $< 2>/dev/null
 144
 145 %.8.xml: $(srcdir)/%.8.txt $(COMMON_DEPS)
 146         $(ADOC_DOCBOOK) -o $@ $<
 147
 148 %.8: %.8.xml $(XSL_FILE)
 149         $(XTO) $< 2>/dev/null
 150
 151 # only clean the generated files if we have the tools to generate them again
 152 CLEANFILES += $(MAN_XML) $(MAN)
 153 else # HAVE_ASCIIDOC_XMLTO
 154 # create man page targets used to stop the build if we want to
 155 # build the man pages, but we don't have the necessary tools to do so
 156 ERR_MSG = "Error: Cannot build target because asciidoc or xmlto tool is missing."
 157 ERR_MSG += "Make sure both tools are installed and run the configure script again."
 158
 159 %.1: $(srcdir)/%.1.txt $(COMMON_DEPS)
 160         @echo $(ERR_MSG)
 161         @false
 162
 163 %.3: $(srcdir)/%.3.txt $(COMMON_DEPS)
 164         @echo $(ERR_MSG)
 165         @false
 166
 167 %.8: $(srcdir)/%.8.txt $(COMMON_DEPS)
 168         @echo $(ERR_MSG)
 169         @false
 170 endif # HAVE_ASCIIDOC_XMLTO
 171 endif # MAN_PAGES_OPT
 172
 173 # those are always installed since they are directly written in troff
 174 dist_man1_MANS = $(MAN1_NO_ASCIIDOC)
 175 dist_man3_MANS = $(MAN3_NO_ASCIIDOC)
 176 dist_man8_MANS = $(MAN8_NO_ASCIIDOC)
 177
 178 if MAN_PAGES_OPT
 179 # building man pages: we can install and distribute them
 180 dist_man1_MANS += $(MAN1)
 181 dist_man3_MANS += $(MAN3)
 182 dist_man8_MANS += $(MAN8)
 183 endif # MAN_PAGES_OPT
 184
 185 if !MAN_PAGES_OPT
 186 dist-hook:
 187         @echo "Error: Please enable the man pages before creating a distribution tarball."
 188         @false
 189 endif # !MAN_PAGES_OPT
 190
 191 # always distribute the source files
 192 EXTRA_DIST = $(MAN_TXT) $(COMMON_TXT) $(XSL_FILE) \
 193         $(ASCIIDOC_CONF) $(ASCIIDOC_ATTRS_CONF).in
 194
 195 # keep generated man pages that can be considered intermediate files
 196 .PRECIOUS: %.1 %.3 %.8