-EXTRA_DIST = lttng.1 lttng-sessiond.8
-dist_man1_MANS = lttng.1
-dist_man8_MANS = lttng-sessiond.8
+# SPDX-License-Identifier: GPL-2.0-only
+
+# Man pages are only built if they are enabled at configure time.
+#
+# They should always be built before creating a distribution tarball.
+
+# function which adds the source directory prefix and adds a given suffix
+manaddsuffix = $(addsuffix $(1),$(addprefix $(srcdir)/,$(2)))
+
+# List only the names without the .*.txt extension here:
+MAN1_NAMES = \
+ lttng \
+ lttng-create \
+ lttng-destroy \
+ lttng-set-session \
+ lttng-save \
+ lttng-load \
+ lttng-start \
+ lttng-stop \
+ lttng-version \
+ lttng-view \
+ lttng-enable-channel \
+ lttng-disable-channel \
+ lttng-add-context \
+ lttng-list \
+ lttng-track \
+ lttng-untrack \
+ lttng-status \
+ lttng-help \
+ lttng-snapshot \
+ lttng-enable-event \
+ lttng-disable-event \
+ lttng-crash \
+ lttng-metadata \
+ lttng-regenerate \
+ lttng-rotate \
+ lttng-enable-rotation \
+ lttng-disable-rotation \
+ lttng-clear \
+ lttng-add-trigger \
+ lttng-list-triggers
+
+MAN3_NAMES =
+MAN8_NAMES = lttng-sessiond lttng-relayd
+MAN1_NO_ASCIIDOC_NAMES =
+MAN3_NO_ASCIIDOC_NAMES = lttng-health-check
+MAN8_NO_ASCIIDOC_NAMES =
+
+# AsciiDoc sources and outputs
+MAN1_TXT = $(call manaddsuffix,.1.txt,$(MAN1_NAMES))
+MAN3_TXT = $(call manaddsuffix,.3.txt,$(MAN3_NAMES))
+MAN8_TXT = $(call manaddsuffix,.8.txt,$(MAN8_NAMES))
+MAN_TXT = $(MAN1_TXT) $(MAN3_TXT) $(MAN8_TXT)
+MAN_XML = $(patsubst $(srcdir)/%.txt,%.xml,$(MAN_TXT))
+
+# common AsciiDoc source files
+COMMON_TXT = \
+ $(srcdir)/common-footer.txt \
+ $(srcdir)/common-cmd-footer.txt \
+ $(srcdir)/common-cmd-options-head.txt \
+ $(srcdir)/common-cmd-help-options.txt
+
+# config
+ASCIIDOC_CONF = $(srcdir)/asciidoc.conf
+ASCIIDOC_ATTRS_CONF = $(builddir)/asciidoc-attrs.conf
+XSL_FILE = $(srcdir)/manpage.xsl
+
+# common dependencies
+COMMON_DEPS = $(ASCIIDOC_CONF) $(COMMON_TXT)
+
+# man pages destinations
+MAN1 = $(addsuffix .1,$(MAN1_NAMES))
+MAN3 = $(addsuffix .3,$(MAN3_NAMES))
+MAN8 = $(addsuffix .8,$(MAN8_NAMES))
+MAN1_NO_ASCIIDOC = $(addsuffix .1,$(MAN1_NO_ASCIIDOC_NAMES))
+MAN3_NO_ASCIIDOC = $(addsuffix .3,$(MAN3_NO_ASCIIDOC_NAMES))
+MAN8_NO_ASCIIDOC = $(addsuffix .8,$(MAN8_NO_ASCIIDOC_NAMES))
+MAN = $(MAN1) $(MAN3) $(MAN8)
+
+# initially empty
+CLEANFILES =
+
+if EMBED_HELP
+mantoh_verbose = $(mantoh_verbose_@AM_V@)
+mantoh_verbose_ = $(mantoh_verbose_@AM_DEFAULT_V@)
+mantoh_verbose_0 = @echo " MANTOH " $@;
+
+MAN1_H = $(addsuffix .1.h,$(MAN1_NAMES))
+MAN3_H = $(addsuffix .3.h,$(MAN3_NAMES))
+MAN8_H = $(addsuffix .8.h,$(MAN8_NAMES))
+MAN_H = $(MAN1_H) $(MAN3_H) $(MAN8_H)
+MAN_H_RECIPE = \
+ $(mantoh_verbose_0)\
+ MANWIDTH=80 @MANPROG@ --encoding=UTF-8 --no-hyphenation --no-justification --local-file $< > $@ ; \
+ $(SED) -i 's/\\/\\\\/g' $@ ; \
+ $(SED) -i 's/"/\\"/g' $@ ; \
+ $(SED) -i 's/^\(.*\)$$/"\1\\n"/' $@
+
+%.1.h: %.1
+ $(MAN_H_RECIPE)
+
+%.3.h: %.3
+ $(MAN_H_RECIPE)
+
+%.8.h: %.8
+ $(MAN_H_RECIPE)
+
+all-local: $(MAN_H)
+
+CLEANFILES += $(MAN_H)
+endif # EMBED_HELP
+
+if MAN_PAGES_OPT
+# at this point, we know the user asked to build the man pages
+if HAVE_ASCIIDOC_XMLTO
+
+asciidoc_verbose = $(asciidoc_verbose_@AM_V@)
+asciidoc_verbose_ = $(asciidoc_verbose_@AM_DEFAULT_V@)
+asciidoc_verbose_0 = @echo " ASCIIDOC " $@;
+
+xmlto_verbose = $(xmlto_verbose_@AM_V@)
+xmlto_verbose_ = $(xmlto_verbose_@AM_DEFAULT_V@)
+xmlto_verbose_0 = @echo " XMLTO " $@;
+
+# tools
+ADOC = $(asciidoc_verbose)$(ASCIIDOC) -f $(ASCIIDOC_CONF) -f $(ASCIIDOC_ATTRS_CONF) -d manpage
+ADOC_DOCBOOK = $(ADOC) -b docbook
+XTO = $(xmlto_verbose)$(XMLTO) -m $(XSL_FILE) man
+
+# only add this dependency if we can build the man pages because it's
+# a file generated by the configure script, so it's more recent than
+# the pregenerated man pages in a tarball
+COMMON_DEPS += $(ASCIIDOC_ATTRS_CONF)
+
+# recipes
+%.1.xml: $(srcdir)/%.1.txt $(COMMON_DEPS)
+ $(ADOC_DOCBOOK) -o $@ $<
+
+%.1: %.1.xml $(XSL_FILE)
+ $(XTO) $< 2>/dev/null
+
+%.3.xml: $(srcdir)/%.3.txt $(COMMON_DEPS)
+ $(ADOC_DOCBOOK) -o $@ $<
+
+%.3: %.3.xml $(XSL_FILE)
+ $(XTO) $< 2>/dev/null
+
+%.8.xml: $(srcdir)/%.8.txt $(COMMON_DEPS)
+ $(ADOC_DOCBOOK) -o $@ $<
+
+%.8: %.8.xml $(XSL_FILE)
+ $(XTO) $< 2>/dev/null
+
+# only clean the generated files if we have the tools to generate them again
+CLEANFILES += $(MAN_XML) $(MAN)
+else # HAVE_ASCIIDOC_XMLTO
+# create man page targets used to stop the build if we want to
+# build the man pages, but we don't have the necessary tools to do so
+ERR_MSG = "Error: Cannot build target because asciidoc or xmlto tool is missing."
+ERR_MSG += "Make sure both tools are installed and run the configure script again."
+
+%.1: $(srcdir)/%.1.txt $(COMMON_DEPS)
+ @echo $(ERR_MSG)
+ @false
+
+%.3: $(srcdir)/%.3.txt $(COMMON_DEPS)
+ @echo $(ERR_MSG)
+ @false
+
+%.8: $(srcdir)/%.8.txt $(COMMON_DEPS)
+ @echo $(ERR_MSG)
+ @false
+endif # HAVE_ASCIIDOC_XMLTO
+endif # MAN_PAGES_OPT
+
+# those are always installed since they are directly written in troff
+dist_man1_MANS = $(MAN1_NO_ASCIIDOC)
+dist_man3_MANS = $(MAN3_NO_ASCIIDOC)
+dist_man8_MANS = $(MAN8_NO_ASCIIDOC)
+
+if MAN_PAGES_OPT
+# building man pages: we can install and distribute them
+dist_man1_MANS += $(MAN1)
+dist_man3_MANS += $(MAN3)
+dist_man8_MANS += $(MAN8)
+endif # MAN_PAGES_OPT
+
+if !MAN_PAGES_OPT
+dist-hook:
+ @echo "Error: Please enable the man pages before creating a distribution tarball."
+ @false
+endif # !MAN_PAGES_OPT
+
+# always distribute the source files
+EXTRA_DIST = $(MAN_TXT) $(COMMON_TXT) $(XSL_FILE) \
+ $(ASCIIDOC_CONF) $(ASCIIDOC_ATTRS_CONF).in
+
+# keep generated man pages that can be considered intermediate files
+.PRECIOUS: %.1 %.3 %.8
projects / lttng-tools.git / blobdiff