add a lib for rendering text in sdl2 and rules to make in makefile

SDL2_ttf/external/harfbuzz/Makefile.am

@@ -0,0 +1,82 @@
+# Process this file with automake to produce Makefile.in
+
+NULL =
+
+ACLOCAL_AMFLAGS = -I m4
+
+SUBDIRS = src util perf docs
+
+EXTRA_DIST = \
+	autogen.sh \
+	harfbuzz.doap \
+	README.md \
+	README.python.md \
+	BUILD.md \
+	CONFIG.md \
+	RELEASING.md \
+	TESTING.md \
+	CMakeLists.txt \
+	replace-enum-strings.cmake \
+	meson.build \
+	meson_options.txt \
+	subprojects/cairo.wrap \
+	subprojects/freetype2.wrap \
+	subprojects/glib.wrap \
+	subprojects/google-benchmark.wrap \
+	subprojects/ragel.wrap \
+	subprojects/packagefiles/ragel/meson.build \
+	mingw-configure.sh \
+	$(NULL)
+
+MAINTAINERCLEANFILES = \
+	$(GITIGNORE_MAINTAINERCLEANFILES_TOPLEVEL) \
+	$(GITIGNORE_MAINTAINERCLEANFILES_M4_LIBTOOL) \
+	$(GITIGNORE_MAINTAINERCLEANFILES_MAKEFILE_IN) \
+	$(srcdir)/INSTALL \
+	$(srcdir)/ChangeLog \
+	$(srcdir)/gtk-doc.make \
+	$(srcdir)/m4/gtk-doc.m4 \
+	$(NULL)
+
+
+#
+# ChangeLog generation
+#
+CHANGELOG_RANGE =
+ChangeLog: $(srcdir)/ChangeLog
+$(srcdir)/ChangeLog:
+	$(AM_V_GEN) if test -d "$(top_srcdir)/.git"; then \
+	  (GIT_DIR=$(top_srcdir)/.git \
+	   $(GIT) log $(CHANGELOG_RANGE) --stat) > $@.tmp \
+	  && mv -f $@.tmp "$(srcdir)/ChangeLog" \
+	  || ($(RM) $@.tmp; \
+	      echo Failed to generate ChangeLog, your ChangeLog may be outdated >&2; \
+	      (test -f $@ || echo git-log is required to generate this file >> "$(srcdir)/$@")); \
+	else \
+	  test -f $@ || \
+	  (echo A git checkout and git-log is required to generate ChangeLog >&2 && \
+	  echo A git checkout and git-log is required to generate this file >> "$(srcdir)/$@"); \
+	fi
+.PHONY: ChangeLog $(srcdir)/ChangeLog
+
+
+#
+# Release engineering
+#
+
+DISTCHECK_CONFIGURE_FLAGS = \
+	--enable-gtk-doc \
+	--disable-doc-cross-references \
+	--with-gobject \
+	--enable-introspection \
+	$(NULL)
+
+# TAR_OPTIONS is not set as env var for 'make dist'.  How to fix that?
+TAR_OPTIONS = --owner=0 --group=0
+
+dist-hook: dist-clear-sticky-bits
+# Clean up any sticky bits we may inherit from parent dir
+dist-clear-sticky-bits:
+	chmod -R a-s $(distdir)
+
+-include $(top_srcdir)/git.mk