move documentation into a docs/ folder

Makefile.am

@@ -87,46 +87,52 @@ check-local: bzip2
 	cmp $(top_builddir)/tests/sample3.tst $(top_srcdir)/tests/sample3.ref
 	@cat $(top_srcdir)/tests/words3
 
-manual: $(srcdir)/manual.html $(srcdir)/manual.ps $(srcdir)/manual.pdf
+manual: $(top_builddir)/docs/manual.html $(top_builddir)/docs/manual.ps $(top_builddir)/docs/manual.pdf
 
-manual.ps: $(MANUAL_SRCS)
-	cd $(srcdir); ./xmlproc.sh -ps manual.xml
+docs/manual.ps: $(MANUAL_SRCS)
+	cd $(top_srcdir)/docs; ./xmlproc.sh -ps manual.xml
 
-manual.pdf: $(MANUAL_SRCS)
-	cd $(srcdir); ./xmlproc.sh -pdf manual.xml
+docs/manual.pdf: $(MANUAL_SRCS)
+	cd $(top_srcdir)/docs; ./xmlproc.sh -pdf manual.xml
 
-manual.html: $(MANUAL_SRCS)
-	cd $(srcdir); ./xmlproc.sh -html manual.xml
+docs/manual.html: $(MANUAL_SRCS)
+	cd $(top_srcdir)/docs; ./xmlproc.sh -html manual.xml
 
 EXTRA_DIST = \
 	$(bin_SCRIPTS) \
 	$(man_MANS) \
 	README.XML.STUFF \
 	README.autotools \
-	bz-common.xsl \
-	bz-fo.xsl \
-	bz-html.xsl \
-	bzip.css \
 	bzip2.pc.in \
 	bzip2.txt \
 	dlltest.c \
 	dlltest.dsp \
-	entities.xml \
-	format.pl \
+	docs/bz-common.xsl \
+	docs/bz-common.xsl \
+	docs/bz-fo.xsl \
+	docs/bz-fo.xsl \
+	docs/bz-html.xsl \
+	docs/bz-html.xsl \
+	docs/bzip.css \
+	docs/bzip.css \
+	docs/entities.xml \
+	docs/format.pl \
+	docs/manual.html \
+	docs/manual.pdf \
+	docs/manual.ps \
+	docs/manual.xml \
+	docs/meson.build \
+	docs/xmlproc.sh \
 	libbz2.def \
 	libbz2.dsp \
 	makefile.msc \
 	man/bzip2.1.preformatted \
-	manual.html \
-	manual.pdf \
-	manual.ps \
-	manual.xml \
 	man/meson.build \
 	meson.build \
 	meson_options.txt \
 	mk251.c \
 	spewG.c \
-	tests/meson.build
+	tests/meson.build \
 	tests/sample1.bz2 \
 	tests/sample1.ref \
 	tests/sample2.bz2 \
@@ -137,5 +143,4 @@ EXTRA_DIST = \
 	tests/words1 \
 	tests/words2 \
 	tests/words3 \
-	unzcrash.c \
-	xmlproc.sh
+	unzcrash.c

docs/meson.build

@@ -0,0 +1,17 @@
+build_docs = get_option('docs')
+docs = find_program('xsltproc', required : build_docs).found()
+docs = docs and find_program('perl', required : build_docs).found()
+docs = docs and find_program('xmllint', required : build_docs).found()
+docs = docs and find_program('egrep', required : build_docs).found()
+docs = docs and find_program('pdfxmltex', required : build_docs).found()
+docs = docs and find_program('pdftops', required : build_docs).found()
+prog_sh = find_program('sh', required : build_docs)
+if docs and prog_sh.found()
+  foreach t : ['pdf', 'ps', 'html']
+    custom_target(
+      'manual.' + t,
+      command : [prog_sh, 'xmlproc.sh', '-' + t, '@OUTPUT@'],
+      output : 'manual.' + t,
+    )
+  endforeach
+endif

meson.build

@@ -64,24 +64,6 @@ pkg.generate(
 ## install headers
 install_headers('bzlib.h')
 
-# Generate manual files with xmlproc
-build_docs = get_option('docs')
-docs = find_program('xsltproc', required : build_docs).found()
-docs = docs and find_program('perl', required : build_docs).found()
-docs = docs and find_program('xmllint', required : build_docs).found()
-docs = docs and find_program('egrep', required : build_docs).found()
-docs = docs and find_program('pdfxmltex', required : build_docs).found()
-docs = docs and find_program('pdftops', required : build_docs).found()
-prog_sh = find_program('sh', required : build_docs)
-if docs and prog_sh.found()
-  foreach t : ['pdf', 'ps', 'html']
-    custom_target(
-      'manual.' + t,
-      command : [prog_sh, 'xmlproc.sh', '-' + t, '@OUTPUT@'],
-      output : 'manual.' + t,
-    )
-  endforeach
-endif
-
 subdir('man')
+subdir('docs')
 subdir('tests')