libtiff: fix case-insensitive build

pkgs/development/libraries/libtiff/default.nix

@@ -27,7 +27,14 @@ stdenv.mkDerivation rec {
   };
 
   # FreeImage needs this patch
-  patches = [ ./headers.patch ];
+  patches = [
+    ./headers.patch
+    ./rename-version.patch
+  ];
+
+  postPatch = ''
+    mv VERSION VERSION.txt
+  '';
 
   outputs = [ "bin" "dev" "dev_private" "out" "man" "doc" ];
 

pkgs/development/libraries/libtiff/rename-version.patch

@@ -0,0 +1,20 @@
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -34,7 +34,7 @@ docfiles = \
+ 	README.md \
+ 	RELEASE-DATE \
+ 	TODO \
+-	VERSION
++	VERSION.txt
+ 
+ EXTRA_DIST = \
+ 	cmake \
+@@ -61,7 +61,7 @@ SUBDIRS = port libtiff tools build contrib test man html
+ 
+ release:
+ 	(rm -f $(top_srcdir)/RELEASE-DATE && echo $(LIBTIFF_RELEASE_DATE) > $(top_srcdir)/RELEASE-DATE)
+-	(rm -f $(top_srcdir)/VERSION && echo $(LIBTIFF_VERSION) > $(top_srcdir)/VERSION)
++	(rm -f $(top_srcdir)/VERSION.txt && echo $(LIBTIFF_VERSION) > $(top_srcdir)/VERSION.txt)
+ 	(rm -f $(top_srcdir)/libtiff/tiffvers.h && sed 's,LIBTIFF_VERSION,$(LIBTIFF_VERSION),;s,LIBTIFF_RELEASE_DATE,$(LIBTIFF_RELEASE_DATE),' $(top_srcdir)/libtiff/tiffvers.h.in > $(top_srcdir)/libtiff/tiffvers.h)
+ 
+ pkgconfigdir = $(libdir)/pkgconfig