initial buildroot for linux 5.15

package/mupdf/0001-Makefile-add-an-install_libs-target.patch

@@ -0,0 +1,41 @@
+From 0989f13ecbc2155b05da0cb091801d32d750d2d4 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rapha=C3=ABl=20M=C3=A9lotte?=
+ <raphael.melotte@essensium.com>
+Date: Thu, 29 Aug 2019 09:51:02 +0200
+Subject: [PATCH] Makefile: add an install_libs target.
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This allows to install only the library files (if you need pymupdf but
+not mupdf binaries for example).
+
+Signed-off-by: Raphaël Mélotte <raphael.melotte@essensium.com>
+---
+ Makefile | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index c5bc541ac..e14f88526 100644
+--- a/Makefile
++++ b/Makefile
+@@ -322,7 +322,7 @@ libs: $(INSTALL_LIBS)
+ tools: $(TOOL_APPS)
+ apps: $(TOOL_APPS) $(VIEW_APPS)
+ 
+-install: libs apps
++install_libs:
+ 	install -d $(DESTDIR)$(incdir)/mupdf
+ 	install -d $(DESTDIR)$(incdir)/mupdf/fitz
+ 	install -d $(DESTDIR)$(incdir)/mupdf/pdf
+@@ -333,6 +333,7 @@ install: libs apps
+ 	install -d $(DESTDIR)$(libdir)
+ 	install -m 644 $(INSTALL_LIBS) $(DESTDIR)$(libdir)
+ 
++install: libs apps install_libs
+ 	install -d $(DESTDIR)$(bindir)
+ 	install -m 755 $(TOOL_APPS) $(VIEW_APPS) $(DESTDIR)$(bindir)
+ 
+-- 
+2.21.0
+