From be90720d6cd7fbb1b170794445815f579b444a6f Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Fri, 19 Apr 2024 14:10:39 +0300
Subject: [PATCH] Build: Omit PDF man pages from the package

pdf-local rule was added to create the PDFs still with "make pdf".
The install rules are missing but that likely doesn't matter at all.

(cherry picked from commit dc684bf76ea23574ee9d88382057381e04e6089a)
---
 Makefile.am | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index e32eb4c3..6e4738a0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -71,7 +71,8 @@ EXTRA_DIST = \
 
 ACLOCAL_AMFLAGS = -I m4
 
-# List of man pages to convert to PDF and plain text in the dist-hook target.
+# List of man pages to convert to plain text in the dist-hook target
+# or to PDF in the pdf-local target.
 manfiles = \
 	src/xz/xz.1 \
 	src/xzdec/xzdec.1 \
@@ -82,24 +83,18 @@ manfiles = \
 	src/scripts/xzmore.1
 
 # Create ChangeLog from output of "git log --date=iso --stat".
-# Convert the man pages to PDF and plain text (ASCII only) formats.
+# Convert the man pages to plain text (ASCII only) format.
 dist-hook:
 	if test -d "$(srcdir)/.git" && type git > /dev/null 2>&1; then \
 		( cd "$(srcdir)" && git log --date=iso --stat \
 			b69da6d4bb6bb11fc0cf066920791990d2b22a06^..HEAD ) \
 			> "$(distdir)/ChangeLog"; \
 	fi
-	if type groff > /dev/null 2>&1 && type ps2pdf > /dev/null 2>&1; then \
+	if type groff > /dev/null 2>&1; then \
 		dest="$(distdir)/doc/man" && \
-		$(MKDIR_P) "$$dest/pdf-a4" "$$dest/pdf-letter" "$$dest/txt" && \
+		$(MKDIR_P) "$$dest/txt" && \
 		for FILE in $(manfiles); do \
 			BASE=`basename $$FILE .1` && \
-			sh "$(srcdir)/build-aux/manconv.sh" pdf a4 \
-				< "$(srcdir)/$$FILE" \
-				> "$$dest/pdf-a4/$$BASE-a4.pdf" && \
-			sh "$(srcdir)/build-aux/manconv.sh" pdf letter \
-				< "$(srcdir)/$$FILE" \
-				> "$$dest/pdf-letter/$$BASE-letter.pdf" && \
 			sh "$(srcdir)/build-aux/manconv.sh" ascii \
 				< "$(srcdir)/$$FILE" \
 				> "$$dest/txt/$$BASE.txt"; \
@@ -125,3 +120,17 @@ mydist:
 	fi; \
 	TAR_OPTIONS='--owner=0 --group=0 --numeric-owner --mode=u+rw,go+r-w' \
 		$(MAKE) VERSION="$$VERSION" dist-gzip
+
+# NOTE: This only creates the PDFs. The install rules are missing.
+pdf-local:
+	dest="doc/man" && \
+	$(MKDIR_P) "$$dest/pdf-a4" "$$dest/pdf-letter" && \
+	for FILE in $(manfiles); do \
+		BASE=`basename $$FILE .1` && \
+		sh "$(srcdir)/build-aux/manconv.sh" pdf a4 \
+			< "$(srcdir)/$$FILE" \
+			> "$$dest/pdf-a4/$$BASE-a4.pdf" && \
+		sh "$(srcdir)/build-aux/manconv.sh" pdf letter \
+			< "$(srcdir)/$$FILE" \
+			> "$$dest/pdf-letter/$$BASE-letter.pdf"; \
+	done