--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/gumbo-parser/Makefile.am	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,118 @@
+# Googletest magic.  Gumbo relies on Googletest for its unittests, and
+# Googletest (by design) does not provide a "make install" option.  Instead,
+# we'll assume you copy (or symlink) the Googletest distribution into a 'gtest'
+# directory inside the main library directory, and then provide rules to build
+# it automatically.  This approach (and these rules) are copied from the
+# protobuf distribution.
+
+ACLOCAL_AMFLAGS = -I m4
+
+if !HAVE_SHARED_LIBGTEST
+
+# Build gtest before we build protobuf tests.  We don't add gtest to SUBDIRS
+# because then "make check" would also build and run all of gtest's own tests,
+# which takes a lot of time and is generally not useful to us.  Also, we don't
+# want "make install" to recurse into gtest since we don't want to overwrite
+# the installed version of gtest if there is one.
+check-local: gtest/lib/libgtest.la gtest/lib/libgtest_main.la
+
+gtest/lib/libgtest.la gtest/lib/libgtest_main.la: gtest/Makefile
+	@echo "Making lib/libgtest.a lib/libgtest_main.a in gtest"
+	@cd gtest && $(MAKE) $(AM_MAKEFLAGS) lib/libgtest.la lib/libgtest_main.la
+
+gtest/Makefile: gtest/configure
+	@cd gtest && ./configure
+
+# We would like to clean gtest when "make clean" is invoked.  But we have to
+# be careful because clean-local is also invoked during "make distclean", but
+# "make distclean" already recurses into gtest because it's listed among the
+# DIST_SUBDIRS.  distclean will delete gtest/Makefile, so if we then try to
+# cd to the directory again and "make clean" it will fail.  So, check that the
+# Makefile exists before recursing.
+clean-local:
+	@if test -e gtest/Makefile; then \
+		echo "Making clean in gtest"; \
+		cd gtest && $(MAKE) $(AM_MAKEFLAGS) clean; \
+	fi
+
+endif !HAVE_SHARED_LIBGTEST
+
+gentags: src/tag.in
+	@python gentags.py $<
+	@gperf -LANSI-C --ignore-case -m200 $< |python genperf.py >src/tag_gperf.h
+
+lib_LTLIBRARIES = libgumbo.la
+libgumbo_la_CFLAGS = -Wall
+libgumbo_la_LDFLAGS = -version-info 1:0:0 -no-undefined
+libgumbo_la_SOURCES = \
+				src/attribute.c \
+				src/attribute.h \
+				src/char_ref.c \
+				src/char_ref.h \
+				src/error.c \
+				src/error.h \
+				src/insertion_mode.h \
+				src/parser.c \
+				src/parser.h \
+				src/string_buffer.c \
+				src/string_buffer.h \
+				src/string_piece.c \
+				src/string_piece.h \
+				src/tag.c \
+				src/tag_enum.h \
+				src/tag_gperf.h \
+				src/tag_strings.h \
+				src/tag_sizes.h \
+				src/token_type.h \
+				src/tokenizer.c \
+				src/tokenizer.h \
+				src/tokenizer_states.h \
+				src/utf8.c \
+				src/utf8.h \
+				src/util.c \
+				src/util.h \
+				src/vector.c \
+				src/vector.h
+include_HEADERS = src/gumbo.h src/tag_enum.h
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = gumbo.pc
+
+check_PROGRAMS = gumbo_test
+TESTS = gumbo_test
+gumbo_test_CPPFLAGS = \
+				-I"$(srcdir)/." \
+				-I"$(srcdir)/src" \
+				-I"$(srcdir)/gtest/include"
+gumbo_test_SOURCES = \
+				tests/attribute.cc \
+				tests/char_ref.cc \
+				tests/parser.cc \
+				tests/string_buffer.cc \
+				tests/string_piece.cc \
+				tests/tokenizer.cc \
+				tests/test_utils.cc \
+				tests/utf8.cc \
+				tests/vector.cc
+gumbo_test_DEPENDENCIES = libgumbo.la
+gumbo_test_LDADD = libgumbo.la
+
+if HAVE_SHARED_LIBGTEST
+# FIXME(bnoordhuis) Should be configurable by the user.
+gumbo_test_LDADD += -lgtest -lgtest_main
+else
+gumbo_test_DEPENDENCIES += check-local
+gumbo_test_LDADD += gtest/lib/libgtest.la gtest/lib/libgtest_main.la
+endif
+
+noinst_PROGRAMS = clean_text find_links get_title positions_of_class benchmark serialize prettyprint
+LDADD = libgumbo.la
+AM_CPPFLAGS = -I"$(srcdir)/src"
+
+clean_text_SOURCES = examples/clean_text.cc
+find_links_SOURCES = examples/find_links.cc
+get_title_SOURCES = examples/get_title.c
+positions_of_class_SOURCES = examples/positions_of_class.cc
+benchmark_SOURCES = benchmarks/benchmark.cc
+serialize_SOURCES = examples/serialize.cc
+prettyprint_SOURCES = examples/prettyprint.cc