[configure] Delete the --with-doc option.

This option was harmful, ill-designed, buggy, and essentially
unmaintained and untested.  For more details on the rationale,
see the NEWS file.

OK gbranden@ and no objection when shown on groff at gnu dot org.

6 files changed, 28 insertions, 21 deletions

diff --git a/contrib/chem/ChangeLog b/contrib/chem/ChangeLog
index 7f857757a..e40f5dfa7 100644
--- a/contrib/chem/ChangeLog
+++ b/contrib/chem/ChangeLog
@@ -1,3 +1,11 @@
+2022-04-12  Ingo Schwarze <schwarze@openbsd.org>
+
+	Delete the harmful, ill-designed, buggy, and essentially
+	unmaintained and untested --with-doc option of the configure
+	script.  See the NEWS file for more details on the rationale.
+
+	* chem.am: Delete three BUILD_EXAMPLES conditionals.
+
 2020-04-22  G. Branden Robinson <g.branden.robinson@gmail.com>
 
 	* chem.1.man:
diff --git a/contrib/chem/chem.am b/contrib/chem/chem.am
index 148ae171c..01d82db41 100644
--- a/contrib/chem/chem.am
+++ b/contrib/chem/chem.am
@@ -38,7 +38,6 @@ CHEM_EXAMPLES =  \
   contrib/chem/examples/penicillin.chem \
   contrib/chem/examples/reserpine.chem
 
-if BUILD_EXAMPLES
 # Files installed in $(exampledir)/chem
 chemexampledir = $(exampledir)/chem
 nodist_chemexample_DATA = $(CHEM_GENEXAMPLES)
@@ -48,7 +47,6 @@ dist_chemexample_DATA = $(CHEM_EXAMPLES)
 # lazily installed by the local install target
 chemexample122dir = $(chemexampledir)/122
 nodist_chemexample122_DATA = contrib/chem/examples/122/README
-endif
 EXTRA_DIST += \
   contrib/chem/ChangeLog \
   contrib/chem/chem.1.man \
@@ -92,23 +90,19 @@ chem: $(chem_srcdir)/chem.pl $(SH_DEPS_SED_SCRIPT)
 
 install-data-local: install_chem_extra
 install_chem_extra:
-if BUILD_EXAMPLES
 	-test -d $(DESTDIR)$(chemexample122dir) \
           || $(mkinstalldirs) $(DESTDIR)$(chemexample122dir);
 	for i in $(chem_srcdir)/examples/122/*.chem; do \
 	  n=`echo $$i | sed 's|$(chem_srcdir)/examples/122/||g'`; \
 	  $(INSTALL_DATA) $$i $(DESTDIR)$(chemexample122dir)/$$n; \
 	done
-endif
 
 uninstall-local: uninstall_chem_extra
 uninstall_chem_extra:
-if BUILD_EXAMPLES
 	$(RM) $(DESTDIR)$(exampledir)/chem/122/*
 	-rmdir $(DESTDIR)$(exampledir)/chem/122
 	$(RM) $(DESTDIR)$(exampledir)/chem/*
 	-rmdir $(DESTDIR)$(exampledir)/chem
-endif
 	-rmdir $(DESTDIR)$(datasubdir)/pic
 
 dist-hook: dist_chem
diff --git a/contrib/hdtbl/ChangeLog b/contrib/hdtbl/ChangeLog
index 12de4fecf..a66ef7617 100644
--- a/contrib/hdtbl/ChangeLog
+++ b/contrib/hdtbl/ChangeLog
@@ -1,3 +1,11 @@
+2022-04-12  Ingo Schwarze <schwarze@openbsd.org>
+
+	Delete the harmful, ill-designed, buggy, and essentially
+	unmaintained and untested --with-doc option of the configure
+	script.  See the NEWS file for more details on the rationale.
+
+	* hdtbl.am: Delete two BUILD_EXAMPLES conditionals.
+
 2022-03-30  G. Branden Robinson <g.branden.robinson@gmail.com>
 
 	* hdtbl.am: Eliminate `HDTBL_TFLAG` and `HDTBL_PFLAG` Make
diff --git a/contrib/hdtbl/hdtbl.am b/contrib/hdtbl/hdtbl.am
index 2c10dc6a6..19af0ea2b 100644
--- a/contrib/hdtbl/hdtbl.am
+++ b/contrib/hdtbl/hdtbl.am
@@ -75,16 +75,12 @@ HDTBLPROCESSEDEXAMPLEFILES = \
   contrib/hdtbl/examples/short_reference.ps
 
 hdtblexampledir = $(exampledir)/hdtbl
-
-if BUILD_EXAMPLES
 dist_hdtblexample_DATA = $(HDTBLEXAMPLEFILES)
 nodist_hdtblexample_DATA = \
   $(HDTBLGENFILES) \
   $(HDTBLPROCESSEDEXAMPLEFILES) \
   $(DOC_GNU_EPS)
-else
-EXTRA_DIST += $(HDTBLEXAMPLEFILES)
-endif
+
 $(hdtblexample_DATA): $(HDTBLTMACFILES)
 
 MOSTLYCLEANFILES += $(HDTBLGENFILES) $(HDTBLPROCESSEDEXAMPLEFILES)
@@ -94,7 +90,6 @@ EXTRA_DIST += \
   contrib/hdtbl/TODO \
   contrib/hdtbl/groff_hdtbl.7.man
 
-if BUILD_EXAMPLES
 hdtbl_TESTS = contrib/hdtbl/examples/test-hdtbl.sh
 TESTS += $(hdtbl_TESTS)
 contrib/hdtbl/examples/test-hdtbl.sh: \
@@ -107,7 +102,6 @@ contrib/hdtbl/examples/test-hdtbl.sh: \
 	  $(top_srcdir)/$(hdtbl_test_template) > $@ \
 	&& chmod +x $@
 MOSTLYCLEANFILES += $(hdtbl_TESTS)
-endif
 
 # Rule to generate ps and roff files
 SUFFIXES += .roff .in .ps
diff --git a/contrib/mom/ChangeLog b/contrib/mom/ChangeLog
index f50b60f4f..3750bf758 100644
--- a/contrib/mom/ChangeLog
+++ b/contrib/mom/ChangeLog
@@ -1,3 +1,12 @@
+2022-04-12  Ingo Schwarze <schwarze@openbsd.org>
+
+	Delete the harmful, ill-designed, buggy, and essentially
+	unmaintained and untested --with-doc option of the configure
+	script.  See the NEWS file for more details on the rationale.
+
+	* mom.am: Delete one INSTALL_SHIPPED_HTML and one BUILD_EXAMPLES
+	conditional and use BUILD_PDFDOC instead of BUILD_PDFEXAMPLES.
+
 2021-03-29  G. Branden Robinson <g.branden.robinson@gmail.com>
 
 	* mom.am: Eliminate `MOM_TFLAG` and `MOM_PFLAG` Make macros;
diff --git a/contrib/mom/mom.am b/contrib/mom/mom.am
index d566c1ce2..0689df8ca 100644
--- a/contrib/mom/mom.am
+++ b/contrib/mom/mom.am
@@ -38,7 +38,6 @@ momtmacdir = $(tmacdir)
 dist_momtmac_DATA = $(MOMNORMALFILES)
 
 # Files installed in htmldocdir/mom
-if INSTALL_SHIPPED_HTML
 MOMHTMLDOCFILES=\
   contrib/mom/momdoc/stylesheet.css \
   contrib/mom/momdoc/appendices.html \
@@ -65,7 +64,6 @@ MOMHTMLDOCFILES=\
   contrib/mom/momdoc/version-2.html
 momhtmldir = $(htmldocdir)/mom
 momhtml_DATA = $(MOMHTMLDOCFILES)
-endif
 
 # Files installed in $(examplesdir)/mom.  MOMEXAMPLEFILES are located
 # in the source tree, while MOMPROCESSEDEXAMPLEFILES are generated in
@@ -86,14 +84,10 @@ MOMEXAMPLEFILES=\
   contrib/mom/examples/slide-demo.mom \
   contrib/mom/examples/copyright-default.mom \
   contrib/mom/examples/copyright-chapter.mom
-if BUILD_EXAMPLES
 momexampledir = $(exampledir)/mom
 dist_momexample_DATA = $(MOMEXAMPLEFILES)
-else
-EXTRA_DIST += $(MOMEXAMPLEFILES)
-endif
 
-if BUILD_PDFEXAMPLES
+if BUILD_PDFDOC
 MOMPROCESSEDEXAMPLEFILES = \
   contrib/mom/examples/letter.pdf \
   contrib/mom/examples/mom-pdf.pdf \
@@ -159,7 +153,7 @@ penguin.pdf:
 
 install-data-hook: install_mom
 install_mom:
-if BUILD_PDFEXAMPLES
+if BUILD_PDFDOC
 	for f in $(PDFDOCFILE); do \
 	  $(RM) $(DESTDIR)$(pdfdocdir)/$$f; \
 	  ln -s $(exampledir)/mom/$$f $(DESTDIR)$(pdfdocdir)/$$f; \