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         lttng-add-trigger \
  41         lttng-remove-trigger \
  42         lttng-list-triggers
  43 MAN3_NAMES =
  44 MAN7_NAMES = lttng-event-rule
  45 MAN8_NAMES = lttng-sessiond lttng-relayd
  46 MAN1_NO_ASCIIDOC_NAMES =
  47 MAN3_NO_ASCIIDOC_NAMES = lttng-health-check
  48 MAN7_NO_ASCIIDOC_NAMES =
  49 MAN8_NO_ASCIIDOC_NAMES =
  50
  51 # AsciiDoc sources and outputs
  52 MAN1_TXT = $(call manaddsuffix,.1.txt,$(MAN1_NAMES))
  53 MAN3_TXT = $(call manaddsuffix,.3.txt,$(MAN3_NAMES))
  54 MAN7_TXT = $(call manaddsuffix,.7.txt,$(MAN7_NAMES))
  55 MAN8_TXT = $(call manaddsuffix,.8.txt,$(MAN8_NAMES))
  56 MAN_TXT = $(MAN1_TXT) $(MAN3_TXT) $(MAN7_TXT) $(MAN8_TXT)
  57 MAN_XML = $(patsubst $(srcdir)/%.txt,%.xml,$(MAN_TXT))
  58
  59 # common AsciiDoc source files
  60 COMMON_TXT = \
  61         $(srcdir)/common-footer.txt \
  62         $(srcdir)/common-cmd-footer.txt \
  63         $(srcdir)/common-cmd-options-head.txt \
  64         $(srcdir)/common-cmd-help-options.txt \
  65         $(srcdir)/common-help-option.txt \
  66         $(srcdir)/common-intro.txt
  67
  68 # config
  69 ASCIIDOC_CONF = $(srcdir)/asciidoc.conf
  70 ASCIIDOC_ATTRS_CONF = $(builddir)/asciidoc-attrs.conf
  71 XSL_FILE = $(srcdir)/manpage.xsl
  72
  73 # common dependencies
  74 COMMON_DEPS = $(ASCIIDOC_CONF) $(COMMON_TXT)
  75
  76 # man pages destinations
  77 MAN1 = $(addsuffix .1,$(MAN1_NAMES))
  78 MAN3 = $(addsuffix .3,$(MAN3_NAMES))
  79 MAN7 = $(addsuffix .7,$(MAN7_NAMES))
  80 MAN8 = $(addsuffix .8,$(MAN8_NAMES))
  81 MAN1_NO_ASCIIDOC = $(addsuffix .1,$(MAN1_NO_ASCIIDOC_NAMES))
  82 MAN3_NO_ASCIIDOC = $(addsuffix .3,$(MAN3_NO_ASCIIDOC_NAMES))
  83 MAN7_NO_ASCIIDOC = $(addsuffix .7,$(MAN7_NO_ASCIIDOC_NAMES))
  84 MAN8_NO_ASCIIDOC = $(addsuffix .8,$(MAN8_NO_ASCIIDOC_NAMES))
  85 MAN = $(MAN1) $(MAN3) $(MAN7) $(MAN8)
  86
  87 # initially empty
  88 CLEANFILES =
  89
  90 if EMBED_HELP
  91 mantoh_verbose = $(mantoh_verbose_@AM_V@)
  92 mantoh_verbose_ = $(mantoh_verbose_@AM_DEFAULT_V@)
  93 mantoh_verbose_0 = @echo "  MANTOH    " $@;
  94
  95 MAN1_H = $(addsuffix .1.h,$(MAN1_NAMES))
  96 MAN3_H = $(addsuffix .3.h,$(MAN3_NAMES))
  97 MAN8_H = $(addsuffix .8.h,$(MAN8_NAMES))
  98 MAN_H = $(MAN1_H) $(MAN3_H) $(MAN8_H)
  99 MAN_H_RECIPE = \
 100         $(mantoh_verbose_0)\
 101         MANWIDTH=80 @MANPROG@ --encoding=UTF-8 --no-hyphenation --no-justification --local-file $< > $@ ; \
 102         $(SED) -i 's/\\/\\\\/g' $@ ; \
 103         $(SED) -i 's/"/\\"/g' $@ ; \
 104         $(SED) -i 's/^\(.*\)$$/"\1\\n"/' $@
 105
 106 %.1.h: %.1
 107         $(MAN_H_RECIPE)
 108
 109 %.3.h: %.3
 110         $(MAN_H_RECIPE)
 111
 112 %.8.h: %.8
 113         $(MAN_H_RECIPE)
 114
 115 all-local: $(MAN_H)
 116
 117 CLEANFILES += $(MAN_H)
 118 endif # EMBED_HELP
 119
 120 if MAN_PAGES_OPT
 121 # at this point, we know the user asked to build the man pages
 122 if HAVE_ASCIIDOC_XMLTO
 123
 124 asciidoc_verbose = $(asciidoc_verbose_@AM_V@)
 125 asciidoc_verbose_ = $(asciidoc_verbose_@AM_DEFAULT_V@)
 126 asciidoc_verbose_0 = @echo "  ASCIIDOC  " $@;
 127
 128 xmlto_verbose = $(xmlto_verbose_@AM_V@)
 129 xmlto_verbose_ = $(xmlto_verbose_@AM_DEFAULT_V@)
 130 xmlto_verbose_0 = @echo "  XMLTO     " $@;
 131
 132 # tools
 133 ADOC = $(asciidoc_verbose)$(ASCIIDOC) -f $(ASCIIDOC_CONF) -f $(ASCIIDOC_ATTRS_CONF) -d manpage
 134 ADOC_DOCBOOK = $(ADOC) -b docbook
 135 XTO = $(xmlto_verbose)$(XMLTO) -m $(XSL_FILE) man
 136
 137 # only add this dependency if we can build the man pages because it's
 138 # a file generated by the configure script, so it's more recent than
 139 # the pregenerated man pages in a tarball
 140 COMMON_DEPS += $(ASCIIDOC_ATTRS_CONF)
 141
 142 # recipes
 143 %.1.xml: $(srcdir)/%.1.txt $(COMMON_DEPS)
 144         $(ADOC_DOCBOOK) -o $@ $<
 145
 146 %.1: %.1.xml $(XSL_FILE)
 147         $(XTO) $< 2>/dev/null
 148
 149 %.3.xml: $(srcdir)/%.3.txt $(COMMON_DEPS)
 150         $(ADOC_DOCBOOK) -o $@ $<
 151
 152 %.3: %.3.xml $(XSL_FILE)
 153         $(XTO) $< 2>/dev/null
 154
 155 %.7.xml: $(srcdir)/%.7.txt $(COMMON_DEPS)
 156         $(ADOC_DOCBOOK) -o $@ $<
 157
 158 %.7: %.7.xml $(XSL_FILE)
 159         $(XTO) $< 2>/dev/null
 160
 161 %.8.xml: $(srcdir)/%.8.txt $(COMMON_DEPS)
 162         $(ADOC_DOCBOOK) -o $@ $<
 163
 164 %.8: %.8.xml $(XSL_FILE)
 165         $(XTO) $< 2>/dev/null
 166
 167 # only clean the generated files if we have the tools to generate them again
 168 CLEANFILES += $(MAN_XML) $(MAN)
 169 else # HAVE_ASCIIDOC_XMLTO
 170 # create man page targets used to stop the build if we want to
 171 # build the man pages, but we don't have the necessary tools to do so
 172 ERR_MSG = "Error: Cannot build target because asciidoc or xmlto tool is missing."
 173 ERR_MSG += "Make sure both tools are installed and run the configure script again."
 174
 175 %.1: $(srcdir)/%.1.txt $(COMMON_DEPS)
 176         @echo $(ERR_MSG)
 177         @false
 178
 179 %.3: $(srcdir)/%.3.txt $(COMMON_DEPS)
 180         @echo $(ERR_MSG)
 181         @false
 182
 183 %.7: $(srcdir)/%.7.txt $(COMMON_DEPS)
 184         @echo $(ERR_MSG)
 185         @false
 186
 187 %.8: $(srcdir)/%.8.txt $(COMMON_DEPS)
 188         @echo $(ERR_MSG)
 189         @false
 190 endif # HAVE_ASCIIDOC_XMLTO
 191 endif # MAN_PAGES_OPT
 192
 193 # those are always installed since they are directly written in troff
 194 dist_man1_MANS = $(MAN1_NO_ASCIIDOC)
 195 dist_man3_MANS = $(MAN3_NO_ASCIIDOC)
 196 dist_man7_MANS = $(MAN7_NO_ASCIIDOC)
 197 dist_man8_MANS = $(MAN8_NO_ASCIIDOC)
 198
 199 if MAN_PAGES_OPT
 200 # building man pages: we can install and distribute them
 201 dist_man1_MANS += $(MAN1)
 202 dist_man3_MANS += $(MAN3)
 203 dist_man7_MANS += $(MAN7)
 204 dist_man8_MANS += $(MAN8)
 205 endif # MAN_PAGES_OPT
 206
 207 if !MAN_PAGES_OPT
 208 dist-hook:
 209         @echo "Error: Please enable the man pages before creating a distribution tarball."
 210         @false
 211 endif # !MAN_PAGES_OPT
 212
 213 # always distribute the source files
 214 EXTRA_DIST = $(MAN_TXT) $(COMMON_TXT) $(XSL_FILE) \
 215         $(ASCIIDOC_CONF) $(ASCIIDOC_ATTRS_CONF).in
 216
 217 # keep generated man pages that can be considered intermediate files
 218 .PRECIOUS: %.1 %.3 %.7 %.8