From 8cd045c924a0e3715f0bbffe81ef94b3b107efa4 Mon Sep 17 00:00:00 2001
From: "Benjamin A. Beasley" <code@musicinmybrain.net>
Date: Thu, 16 Dec 2021 09:37:39 -0500
Subject: [PATCH] Build PDF instead of HTML documentation

---
 freexl.spec | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/freexl.spec b/freexl.spec
index 6861745..64d6751 100644
--- a/freexl.spec
+++ b/freexl.spec
@@ -1,3 +1,10 @@
+# Doxygen HTML help is not suitable for packaging due to a minified JavaScript
+# bundle inserted by Doxygen itself. See discussion at
+# https://bugzilla.redhat.com/show_bug.cgi?id=2006555.
+#
+# We can enable the Doxygen PDF documentation as a substitute.
+%bcond_without doc_pdf
+
 %bcond_without autoreconf
 
 Name:           freexl
@@ -34,7 +41,10 @@ Summary:        Documentation and examples for FreeXL
 
 BuildArch:      noarch
 
+%if %{with doc_pdf}
 BuildRequires:  doxygen
+BuildRequires:  doxygen-latex
+%endif
 
 %description doc
 %{summary}.
@@ -60,6 +70,19 @@ cp -rp examples clean/
 # them.
 rm -vf clean/examples/Makefile.*
 
+%if %{with doc_pdf}
+# We enable the Doxygen PDF documentation as a substitute. We must enable
+# GENERATE_LATEX and LATEX_BATCHMODE; the rest are precautionary and should
+# already be set as we like them. We also disable GENERATE_HTML, since we will
+# not use it.
+sed -r -i \
+    -e "s/^([[:blank:]]*(GENERATE_LATEX|LATEX_BATCHMODE|USE_PDFLATEX|\
+PDF_HYPERLINKS)[[:blank:]]*=[[:blank:]]*)NO[[:blank:]]*/\1YES/" \
+    -e "s/^([[:blank:]]*(LATEX_TIMESTAMP|GENERATE_HTML)\
+[[:blank:]]*=[[:blank:]]*)YES[[:blank:]]*/\1NO/" \
+    Doxyfile.in
+%endif
+
 
 %build
 %if %{with autoreconf}
@@ -68,8 +91,11 @@ autoreconf --force --install --verbose
 %configure --disable-static
 %make_build
 
-# Generate HTML documentation
-doxygen
+%if %{with doc_pdf}
+doxygen Doxyfile
+%make_build -C latex
+mv latex/refman.pdf latex/FreeXL.pdf
+%endif
 
 
 %check
@@ -102,7 +128,9 @@ find '%{buildroot}' -type f -name '*.la' -print -delete
 %doc README
 
 %doc clean/examples
-%doc html
+%if %{with doc_pdf}
+%doc latex/FreeXL.pdf
+%endif
 
 
 %changelog
@@ -112,6 +140,7 @@ find '%{buildroot}' -type f -name '*.la' -print -delete
 - Properly install the license file
 - Remove an obsolete sed-patch
 - Move documentation and examples to a -doc subpackage
+- Build PDF instead of HTML documentation
 
 * Wed Jul 21 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.6-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild