diff --git a/pkgs/development/libraries/urt/default.nix b/pkgs/development/libraries/urt/default.nix
deleted file mode 100644
index 090ca28d7c4..00000000000
--- a/pkgs/development/libraries/urt/default.nix
+++ /dev/null
@@ -1,61 +0,0 @@
-{stdenv, fetchurl, ncompress}:
-
-stdenv.mkDerivation rec {
-  name = "urt-${version}";
-  version = "3.1b";
-  
-  src = fetchurl {
-    url = ftp://ftp.iastate.edu/pub/utah-raster/urt-3.1b.tar.Z;
-    sha256 = "0hbb3avgvkfb2cksqn6cmmgcr0278nb2qd1srayqx0876pq6g2vd";
-  };
-
-  buildInputs = [ ncompress ];
-
-  unpackPhase = ''
-      mkdir urt
-      tar xvf "$src" -C urt
-  '';
-  patchFlags = "-p0 -d urt";
-  patches = [ ./urt-3.1b-build-fixes.patch ./urt-3.1b-compile-updates.patch
-              ./urt-3.1b-make.patch ./urt-3.1b-rle-fixes.patch ./urt-3.1b-tempfile.patch ];
-  postPatch = ''
-      cd urt
-
-      rm bin/README
-      rm man/man1/template.1
-
-      # stupid OS X declares a stack_t type already 
-      sed -i -e 's:stack_t:_urt_stack:g' tools/clock/rleClock.c
-
-      sed -i -e '/^CFLAGS/s: -O : :' makefile.hdr
-
-      cp "${./gentoo-config}" config/gentoo
-  '';
-  configurePhase = ''
-      ./Configure config/gentoo
-  '';
-  postInstall = ''
-      mkdir -p $out/bin
-      cp bin/* $out/bin
-
-      mkdir -p $out/lib
-      cp lib/librle.a $out/lib
-
-      mkdir -p $out/include
-      cp include/rle*.h $out/include
-
-      mkdir -p $out/share/man/man1
-      cp man/man1/*.1 $out/share/man/man1
-
-      mkdir -p $out/share/man/man3
-      cp man/man3/*.3 $out/share/man/man3
-
-      mkdir -p $out/share/man/man5
-      cp man/man5/*.5 $out/share/man/man5
-  '';
-
-  meta = {
-    homepage = http://www.cs.utah.edu/gdc/projects/urt/;
-    description = "A library for dealing with raster images";
-  };
-}
\ No newline at end of file
diff --git a/pkgs/development/libraries/urt/gentoo-config b/pkgs/development/libraries/urt/gentoo-config
deleted file mode 100644
index a2d9ec3faf2..00000000000
--- a/pkgs/development/libraries/urt/gentoo-config
+++ /dev/null
@@ -1,52 +0,0 @@
-#define ABEKASA60
-#define ABEKASA62
-#define ALIAS
-##define CGM
-#define CUBICOMP
-##define DVIRLE
-#define GRAYFILES
-#define MACPAINT
-##define PBMPLUS
-##define SUNRASTER
-#define TARGA
-#define VICAR
-#define WASATCH
-#define WAVEFRONT
-
-#define GCC
-
-#define CONST_DECL
-#define NO_MAKE_MAKEFILE
-#define USE_TIME_H
-#define SYS_V_SETPGRP
-#define USE_PROTOTYPES
-#define USE_RANDOM
-#define USE_STDARG
-#define USE_STDLIB_H
-#define USE_UNISTD_H
-#define USE_STRING_H
-#define VOID_STAR
-#define USE_XLIBINT_H
-#define X_SHARED_MEMORY
-
-#defpath DEST bin
-#defpath RI include
-#defpath RL lib
-
-ROFF = nroff
-ROFFOPT = -man
-ROFFPIPE = | lpr
-
-INCTIFF = 
-LIBTIFF = -ltiff
-INCX11 =
-LIBX11 = -lX11
-
-# Most people have migrated X11 to /usr/lib, but just in case ...
-check_x11=$(shell \
-	echo 'int main(){}' > test.c ; \
-	if ! $(CC) test.c -lX11 -o .urt-x11-test 2>/dev/null ; then \
-		echo "-L/usr/X11R6/lib" ; \
-	fi ; \
-	rm -f .urt-x11-test test.c)
-LIBX11 += $(call check_x11)
diff --git a/pkgs/development/libraries/urt/urt-3.1b-build-fixes.patch b/pkgs/development/libraries/urt/urt-3.1b-build-fixes.patch
deleted file mode 100644
index fc2bacddb30..00000000000
--- a/pkgs/development/libraries/urt/urt-3.1b-build-fixes.patch
+++ /dev/null
@@ -1,151 +0,0 @@
-some hosts are more anal about ar usage than others
-http://bugs.gentoo.org/107428
-
-respect user LDFLAGS
-http://bugs.gentoo.org/126872
-
---- lib/makefile.src
-+++ lib/makefile.src
-@@ -181,8 +181,7 @@
- # Rebuild the library from all the .o files.
- buildlib: $(OBJS)
- 	-rm -f $(LIBNAME)
--	ar rc $(LIBNAME)
--	ar q $(LIBNAME) $(OBJS)
-+	ar rc $(LIBNAME) $(OBJS)
- #ifndef NO_RANLIB
- 	ranlib $(LIBNAME)
- #endif
---- tools/clock/makefile.src
-+++ tools/clock/makefile.src
-@@ -6,7 +6,7 @@ install: rleClock
- 	mv rleClock ../rleClock.out
- 
- rleClock:rleClock.o font.o
--	${CC} ${CFLAGS} rleClock.o font.o -lm ${LIBS} -o rleClock
-+	${CC} ${CFLAGS} ${LDFLAGS} rleClock.o font.o ${LIBS} -o rleClock -lm
- 
- font.c:font.src makeFont
- 	chmod +x makeFont
---- tools/makefile.src
-+++ tools/makefile.src
-@@ -62,21 +62,21 @@ applymap.out rlebg.out: $(RI)/rle_raw.h
- pyrlib.o: pyrlib.c $(RI)/pyramid.h $(RI)/rle.h $(RI)/rle_config.h
- 	$(CC) $(CFLAGS) pyrlib.c -c
- pyrmask.out: pyrlib.o pyrmask.c $(RI)/pyramid.h
--	$(CC) $(CFLAGS) -I$(RI) pyrmask.c pyrlib.o $(LIBS) -lm -o pyrmask.new
-+	$(CC) $(LDFLAGS) $(CFLAGS) -I$(RI) pyrmask.c pyrlib.o $(LIBS) -lm -o pyrmask.new
- 	mv pyrmask.new pyrmask.out
- 
- fant.out: fant.o mallocNd.o
--	$(CC) $(CFLAGS) -I$(RI) fant.o mallocNd.o $(LIBS) -lm -o fant.new
-+	$(CC) $(LDFLAGS) $(CFLAGS) -I$(RI) fant.o mallocNd.o $(LIBS) -lm -o fant.new
- 	mv fant.new fant.out
- 	
- # rlebox and crop use some common code.
- rle_box.o: $(RI)/rle.h $(RI)/rle_config.h $(RI)/rle_raw.h
- 
- crop.out: crop.c rle_box.o
--	${CC} ${CFLAGS} crop.c rle_box.o ${LIBS} -o crop.new
-+	${CC} ${LDFLAGS} ${CFLAGS} crop.c rle_box.o ${LIBS} -o crop.new
- 	mv crop.new crop.out
- rlebox.out: rlebox.c rle_box.o
--	${CC} ${CFLAGS} rlebox.c rle_box.o ${LIBS} -o rlebox.new
-+	${CC} ${LDFLAGS} ${CFLAGS} rlebox.c rle_box.o ${LIBS} -o rlebox.new
- 	mv rlebox.new rlebox.out
- 
- # rleClock has it's own directory, must be built special
-@@ -100,7 +100,7 @@ clean:	clean-pgm
- .SUFFIXES:
- .SUFFIXES: .out .c .o
- .c.out:
--	$(CC) $(CFLAGS) $< $(LIBS) -lm -o $*.new
-+	$(CC) $(LDFLAGS) $(CFLAGS) $< $(LIBS) -lm -o $*.new
- 	mv $*.new $@
- 
- .c.o:
---- cnv/makefile.src
-+++ cnv/makefile.src
-@@ -76,13 +76,13 @@ PBMDIR = 
- # ppmtorle - ppm format to RLE
- # rletoppm - RLE to ppm format
- pgmtorle.out: pgmtorle.c
--	$(CC) $(CFLAGS) $(INCPBMPLUS) $*.c $(LIBS) $(LIBPBMPLUS) -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $(INCPBMPLUS) $*.c $(LIBS) $(LIBPBMPLUS) -o $*.new
- 	mv $*.new $@
- ppmtorle.out: ppmtorle.c
--	$(CC) $(CFLAGS) $(INCPBMPLUS) $*.c $(LIBS) $(LIBPBMPLUS) -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $(INCPBMPLUS) $*.c $(LIBS) $(LIBPBMPLUS) -o $*.new
- 	mv $*.new $@
- rletoppm.out: rletoppm.c
--	$(CC) $(CFLAGS) $(INCPBMPLUS) $*.c $(LIBS) $(LIBPBMPLUS) -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $(INCPBMPLUS) $*.c $(LIBS) $(LIBPBMPLUS) -o $*.new
- 	mv $*.new $@
- #endif
- 
-@@ -95,10 +95,10 @@ rletoppm.out: rletoppm.c
- # iristorle/rletoiris - Convert between RLE and SGI image format.
- #
- iristorle.out: iristorle.c
--	$(CC) $(CFLAGS) -I/usr/include/gl $*.c $(LIBS) -limage -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) -I/usr/include/gl $*.c $(LIBS) -limage -o $*.new
- 	mv $*.new $@
- rletoiris.out: rletoiris.c
--	$(CC) $(CFLAGS) -I/usr/include/gl $*.c $(LIBS) -limage -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) -I/usr/include/gl $*.c $(LIBS) -limage -o $*.new
- 	mv $*.new $@
- #endif
- 
-@@ -108,10 +108,10 @@ TIFFDIR =
- # tifftorle - Convert TIFF images to RLE
- # rletotiff - Convert RLE images to TIFF
- rletotiff.out: rletotiff.c
--	$(CC) $(CFLAGS) $(INCTIFF) $*.c $(LIBS) $(LIBTIFF) -lm -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $(INCTIFF) $*.c $(LIBS) $(LIBTIFF) -lm -o $*.new
- 	mv $*.new $@
- tifftorle.out: tifftorle.c
--	$(CC) $(CFLAGS) $(INCTIFF) $*.c $(LIBS) $(LIBTIFF) -lm -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $(INCTIFF) $*.c $(LIBS) $(LIBTIFF) -lm -o $*.new
- 	mv $*.new $@
- #endif
- 
-@@ -125,7 +125,7 @@ tifftorle.out: tifftorle.c
- # Will build with the default rule.
- # rletorla - RLE to Wavefront RLA
- rletorla.out: rletorla.c
--	$(CC) $(CFLAGS) $*.c $(LIBS) $(LIBWAVEFRONT) -lm -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBS) $(LIBWAVEFRONT) -lm -o $*.new
- 	mv $*.new $@
- #endif WAVEFRONT
- 
-@@ -144,7 +144,7 @@ pristine: pristine-pgm
- .SUFFIXES:
- .SUFFIXES: .out .c
- .c.out:
--	$(CC) $(CFLAGS) $*.c $(LIBS) -lm -o $*.new
-+	$(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBS) -lm -o $*.new
- 	mv $*.new $@
- 
- # Dependency lines.  Make sure to #ifdef them.
---- cnv/rletoabA62/makefile.src
-+++ cnv/rletoabA62/makefile.src
-@@ -15,7 +15,7 @@ all		:	$(PGMS)
- # Executables.  The .out will be stripped off in the install action.
- 
- rletoabA62.out	:	rletoabA62.o rle.o
--			$(CC) $(CFLAGS) -o rletoabA62.new \
-+			$(CC) $(CFLAGS) $(LDFLAGS) -o rletoabA62.new \
- 			  rletoabA62.o rle.o $(LIBS)
- 			mv rletoabA62.new rletoabA62.out
- 
---- cnv/rletogif/makefile.src
-+++ cnv/rletogif/makefile.src
-@@ -15,7 +15,7 @@ all:	$(PGMS)
- # The executable.  The ".out" will be stripped off in the install action.
- 
- rletogif.out: ${OBJ}
--	${CC} ${CFLAGS} ${OBJ} ${LIBS} -o rletogif.new
-+	${CC} ${CFLAGS} ${LDFLAGS} ${OBJ} ${LIBS} -o rletogif.new
- 	mv rletogif.new rletogif.out
- 
- # Incremental install, copies executable to DEST dir.
diff --git a/pkgs/development/libraries/urt/urt-3.1b-compile-updates.patch b/pkgs/development/libraries/urt/urt-3.1b-compile-updates.patch
deleted file mode 100644
index 105f7c41f6a..00000000000
--- a/pkgs/development/libraries/urt/urt-3.1b-compile-updates.patch
+++ /dev/null
@@ -1,141 +0,0 @@
---- get/getx11/XGetHClrs.c
-+++ get/getx11/XGetHClrs.c
-@@ -1,5 +1,4 @@
- #ifndef XLIBINT_H_NOT_AVAILABLE
--#include <X11/copyright.h>
- 
- /* $XConsortium: XGetHClrs.c,v 11.10 88/09/06 16:07:50 martin Exp $ */
- /* Copyright    Massachusetts Institute of Technology    1986	*/
---- tools/mallocNd.c
-+++ tools/mallocNd.c
-@@ -67,7 +67,7 @@
- 
- /* Imports */
- #include <stdio.h>
--extern char *malloc();
-+#include <string.h>
- 
- /* Forward declarations */
- char *BuildIndirectionTable();
---- tools/into.c
-+++ tools/into.c
-@@ -40,8 +40,8 @@
- static char buf[MAXPATHLEN+1];
- short forceflg;				/* overwrite an unwritable file? */
- 
--extern int errno;
--extern char *sys_errlist[];
-+#include <errno.h>
-+#include <string.h>
- 
- void
- main(argc, argv)
-@@ -103,7 +103,7 @@
-     if (ferror(outf))
-     {
- 	fprintf(stderr, "into: %s, \"%s\" not modified\n",
--	    sys_errlist[errno], argv[1]);
-+	    strerror(errno), argv[1]);
- 	unlink(buf);
- 	exit(1);
-     }
---- cnv/tex/dvirle2.c
-+++ cnv/tex/dvirle2.c
-@@ -55,7 +55,6 @@
- void DumpTopOfBand(), MoveDown(), WriteBuf(), WriteBlanks();
- 
- char	*ProgName;
--extern int errno;
- extern char *optarg;
- extern int optind;
- 
---- cnv/wasatchrle.c
-+++ cnv/wasatchrle.c
-@@ -32,7 +32,6 @@
- #include <errno.h>
- #include "rle.h"
- 
--extern int errno;
- 
- /* "short" in our world is 16 bits.  Beware of swyte-bopping. */
- 
---- get/getx11/x11_stuff.c
-+++ get/getx11/x11_stuff.c
-@@ -155,7 +155,6 @@
- 			IPC_CREAT|0777 );
- 	    if ( img->shm_img.shmid < 0 )
- 	    {
--		extern int errno;
- 		if ( errno == ENOSPC )
- 		{
- 		    if ( !no_shared_space )
-@@ -361,7 +360,6 @@ Boolean reallocate;
- 	    XDestroyImage( image );
- 	    if ( img->shm_pix.shmid < 0 )
- 	    {
--		extern int errno;
- 		if ( errno == ENOSPC )
- 		{
- 		    if ( !no_shared_space )
---- get/qcr/qcr.h
-+++ get/qcr/qcr.h
-@@ -6,8 +6,6 @@
- #define GREEN 1
- #define BLUE 2
- 
--extern int errno;
--
- /* Command defs for QCR-Z Film Recorder */
- 
- /* These are for 8 bit Look Up Tables */
---- get/gettaac.c
-+++ get/gettaac.c
-@@ -24,6 +24,7 @@
-  * Send bug fixes and improvements to:  ksp@maxwell.nde.swri.edu
-  */
- 
-+#include <errno.h>
- #include <stdio.h>
- #include <strings.h>
- #include <signal.h>
-@@ -459,7 +460,6 @@ char    *template;
-      char    nonUnique;
-      char    twiddleUserCompletion;
- 
--     extern  int         errno;
-      struct  direct     *nameEntry;
-      DIR                *dirChan;
-      struct  passwd     *pwdEntry;
---- tools/clock/rleClock.c
-+++ tools/clock/rleClock.c
-@@ -598,7 +598,7 @@
-     { TRUE,  "-tf", STRING, "Text area format string", 	          (char *)&FormatString }, 
-     { FALSE, "-Xm", BOOL,   "Output the alpha channel on RGB",    (char *)&DebugAlpha },
-     { FALSE, "-D",  BOOL,   "Turn on debugging",	          (char *)&Debug },
--    NULL
-+    { FALSE, NULL }
- };
- 
- void
---- tools/to8.c
-+++ tools/to8.c
-@@ -175,7 +175,7 @@
- 	 * Give it a background color of black, since the real background
- 	 * will be dithered anyway.
- 	 */
--	if ( in_hdr.background != NULL )
-+	if ( in_hdr.background != 0 )
- 	{
- 	    out_hdr.bg_color = (int *)malloc( sizeof( int ) );
- 	    RLE_CHECK_ALLOC( cmd_name( argv ), out_hdr.bg_color, 0 );
---- cnv/rletoabA62/rletoabA62.c
-+++ cnv/rletoabA62/rletoabA62.c
-@@ -157,7 +157,7 @@
- 	exit(1);
-     }
-     if (optind < argc) {
--	if ((file = open(argv[optind], 0)) == NULL) {
-+	if ((file = open(argv[optind], 0)) == -1) {
- 	    perror(argv[optind]);
- 	    exit(1);
- 	}
diff --git a/pkgs/development/libraries/urt/urt-3.1b-make.patch b/pkgs/development/libraries/urt/urt-3.1b-make.patch
deleted file mode 100644
index 310675dd395..00000000000
--- a/pkgs/development/libraries/urt/urt-3.1b-make.patch
+++ /dev/null
@@ -1,75 +0,0 @@
-Index: makefile.src
-===================================================================
---- makefile.src
-+++ makefile.src
-@@ -17,7 +17,7 @@ all: default
- # clean deletes all but source, pristine (below) deletes installed stuff, too
- default clean: doit
- 	@for d in $(DIRS) ; do \
--		( cd $$d ; echo make $@ on $$d ; make $(MFLAGS) $@ ) ; \
-+		( cd $$d ; echo $(MAKE) $@ on $$d ; $(MAKE) $(MFLAGS) $@ ) ; \
- 	done
- 
- # install puts library, binaries and documentation into global location
-@@ -29,7 +29,7 @@ MAKE_TARGET =
- 
- install $(MAKE_TARGET) pristine depend:: doit
- 	@for d in $(ALLDIRS) ; do \
--		( cd $$d ; echo make $@ on $$d ; make $(MFLAGS) $@ ) ; \
-+		( cd $$d ; echo $(MAKE) $@ on $$d ; $(MAKE) $(MFLAGS) $@ ) ; \
- 	done
- 
- 
-Index: tools/makefile.src
-===================================================================
---- tools/makefile.src
-+++ tools/makefile.src
-@@ -82,7 +82,7 @@ rlebox.out: rlebox.c rle_box.o
- # rleClock has it's own directory, must be built special
- 
- rleClock.out: clock/font.c clock/font.h clock/font.src clock/rleClock.c
--	(cd clock ; make)
-+	(cd clock ; $(MAKE))
- 
- # Incremental install, copies everything ("$?") since last install to DEST dir.
- install: $(PGMS) install-pgm
-Index: makefile.tlr
-===================================================================
---- makefile.tlr
-+++ makefile.tlr
-@@ -7,7 +7,7 @@ subdirs:
- 	@sh -c "if test 'x$(DIRS)' != x ; then eval \
- 		'set -e ; for dir in $(DIRS) ; do \
- 			(cd \$$dir ; echo Make ${HERE}\$$dir ; \
--			 	make $(MFLAGS) $(DIRMFLAGS) ) ; \
-+			 	$(MAKE) $(MFLAGS) $(DIRMFLAGS) ) ; \
- 		done' ; \
- 	  else \
- 		true ; \
-@@ -46,7 +46,7 @@ install-subdirs: subdirs
- 	@sh -c "if test 'x$(DIRS)' != x  ; then eval \
- 		'for dir in $(DIRS) ; do \
- 			(cd \$$dir ; echo Install ${HERE}\$$dir ; \
--			 make $(MFLAGS) $(DIRMFLAGS) install) ; \
-+			 $(MAKE) $(MFLAGS) $(DIRMFLAGS) install) ; \
- 		done' ; \
- 	  else \
- 		true ; \
-@@ -105,7 +105,7 @@ pristine-pgm: clean-pgm
- 	    'for dir in $(ALLDIRS); do \
- 		if test -d $$dir ; then \
- 			(cd $$dir; echo Make ${HERE}$$dir pristine ; \
--			 make $(MFLAGS) pristine); \
-+			 $(MAKE) $(MFLAGS) pristine); \
- 		else \
- 			true; \
- 		fi; \
-@@ -124,7 +124,7 @@ clean-pgm:
- 	    'for dir in $(ALLDIRS); do \
- 		if test -d $$dir ; then \
- 			(cd $$dir; echo Clean ${HERE}$$dir ; \
--			 make $(MFLAGS) clean); \
-+			 $(MAKE) $(MFLAGS) clean); \
- 		else \
- 			true; \
- 		fi; \
diff --git a/pkgs/development/libraries/urt/urt-3.1b-rle-fixes.patch b/pkgs/development/libraries/urt/urt-3.1b-rle-fixes.patch
deleted file mode 100644
index 3720806960f..00000000000
--- a/pkgs/development/libraries/urt/urt-3.1b-rle-fixes.patch
+++ /dev/null
@@ -1,203 +0,0 @@
-Fixes taken from netpbm
-
---- lib/rle_global.c
-+++ lib/rle_global.c
-@@ -76,7 +76,7 @@ rle_hdr rle_dflt_hdr = {
-     8,				/* cmaplen (log2 of length of color map) */
-     NULL,			/* pointer to color map */
-     NULL,			/* pointer to comment strings */
--    stdout,			/* output file */
-+    NULL,			/* output file -- must be set dynamically */
-     { 7 },			/* RGB channels only */
-     0L,				/* Can't free name and file fields. */
-     "Urt",			/* Default "program name". */
---- lib/rle_hdr.c
-+++ lib/rle_hdr.c
-@@ -269,6 +273,9 @@
- {
-     rle_hdr *ret_hdr;
- 
-+    rle_dflt_hdr.rle_file = stdout;
-+    /* The rest of rle_dflt_hdr is set by the loader's data initialization */
-+
-     if ( the_hdr == &rle_dflt_hdr )
- 	return the_hdr;
- 
---- lib/dither.c
-+++ lib/dither.c
-@@ -38,10 +38,10 @@ void	make_square();
- #endif
- 
- static int magic4x4[4][4] =  {
-- 	 0, 14,  3, 13,
--	11,  5,  8,  6,
--	12,  2, 15,  1,
--	 7,  9,  4, 10
-+{	 0, 14,  3, 13},
-+{	11,  5,  8,  6},
-+{	12,  2, 15,  1},
-+{	 7,  9,  4, 10}
- };
- 
- /* basic dithering macro */
---- lib/rle_open_f.c
-+++ lib/rle_open_f.c
-@@ -9,7 +9,11 @@
-  */
- 
- #include "rle_config.h"
-+#define _XOPEN_SOURCE  /* Make sure fdopen() is in stdio.h */
-+
- #include <stdio.h>
-+#include <unistd.h>
-+#include <fcntl.h>
- 
- #ifndef NO_OPEN_PIPES
- /* Need to have a SIGCLD signal catcher. */
-@@ -260,7 +260,6 @@
-     int pipefd[2];
-     int i;
-     char *argv[4];
--    extern int errno;
- 
-     /* Check args. */
-     if ( *mode != 'r' && *mode != 'w' )
---- lib/rle_getcom.c
-+++ lib/rle_getcom.c
-@@ -53,11 +53,12 @@
- {
-     for ( ; *n != '\0' && *n != '=' && *n == *v; n++, v++ )
- 	;
--    if (*n == '\0' || *n == '=')
-+    if (*n == '\0' || *n == '=') {
- 	if ( *v == '\0' )
- 	    return v;
- 	else if ( *v == '=' )
- 	    return ++v;
-+    }
- 
-     return NULL;
- }
---- lib/scanargs.c
-+++ lib/scanargs.c
-@@ -128,10 +130,10 @@
- va_list argl;
- {
- 
--    register    check;			/* check counter to be sure all argvs
-+    int    check;			/* check counter to be sure all argvs
- 					   are processed */
-     register CONST_DECL char  *cp;
--    register    cnt;
-+    int    cnt;
-     int	    optarg = 0;			/* where optional args start */
-     int	    nopt = 0;
-     char    tmpflg,			/* temp flag */
-@@ -375,11 +377,12 @@
- 				if ( optarg > 0 ) /* end optional args? */
- 				{
- 				    /* Eat the arg, too, if necessary */
--				    if ( list_cnt == 0 )
-+				    if ( list_cnt == 0 ) {
- 					if ( typchr == 's' )
- 					    (void)va_arg( argl, char * );
- 					else
- 					    (void)va_arg( argl, ptr );
-+                    }
- 				    break;
- 				}
- 				else
-@@ -567,7 +570,7 @@
- 				     * Do conversion for n and N types
- 				     */
- 				    tmpflg = typchr;
--				    if (typchr == 'n' || typchr == 'N' )
-+				    if (typchr == 'n' || typchr == 'N' ) {
- 					if (*argp != '0')
- 					    tmpflg = 'd';
- 					else if (*(argp+1) == 'x' ||
-@@ -578,6 +581,7 @@
- 					}
- 					else
- 					    tmpflg = 'o';
-+                    }
- 				    if (typchr == 'N')
- 					tmpflg = toupper( tmpflg );
- 
---- lib/inv_cmap.c
-+++ lib/inv_cmap.c
-@@ -42,7 +42,7 @@
- static long cbinc, cginc, crinc;
- static unsigned long *gdp, *rdp, *cdp;
- static unsigned char *grgbp, *rrgbp, *crgbp;
--static gstride, rstride;
-+static long gstride, rstride;
- static long x, xsqr, colormax;
- static int cindex;
- #ifdef INSTRUMENT_IT
---- lib/rle_getrow.c
-+++ lib/rle_getrow.c
-@@ -351,7 +351,7 @@
- 	    bzero( (char *)scanline[-1] + the_hdr->xmin,
- 		   the_hdr->xmax - the_hdr->xmin + 1 );
- 	for ( nc = 0; nc < the_hdr->ncolors; nc++ )
--	    if ( RLE_BIT( *the_hdr, nc ) )
-+	    if ( RLE_BIT( *the_hdr, nc ) ) {
- 		/* Unless bg color given explicitly, use 0. */
- 		if ( the_hdr->background != 2 || the_hdr->bg_color[nc] == 0 )
- 		    bzero( (char *)scanline[nc] + the_hdr->xmin,
-@@ -360,6 +360,7 @@
- 		    bfill( (char *)scanline[nc] + the_hdr->xmin,
- 			   the_hdr->xmax - the_hdr->xmin + 1,
- 			   the_hdr->bg_color[nc] );
-+	    }
-     }
- 
-     /* If skipping, then just return */
-@@ -367,7 +368,7 @@
-     {
- 	the_hdr->priv.get.vert_skip--;
- 	the_hdr->priv.get.scan_y++;
--	if ( the_hdr->priv.get.vert_skip > 0 )
-+	if ( the_hdr->priv.get.vert_skip > 0 ) {
- 	    if ( the_hdr->priv.get.scan_y >= the_hdr->ymax )
- 	    {
- 		int y = the_hdr->priv.get.scan_y;
-@@ -377,6 +378,7 @@
- 	    }
- 	    else
- 		return the_hdr->priv.get.scan_y;
-+	}
-     }
- 
-     /* If EOF has been encountered, return also */
-@@ -457,11 +459,12 @@
- 	    else
- 		nc = DATUM(inst);
- 	    nc++;
--	    if ( debug_f )
-+	    if ( debug_f ) {
- 		if ( RLE_BIT( *the_hdr, channel ) )
- 		    fprintf( stderr, "Pixel data %d (to %d):", nc, scan_x+nc );
- 		else
- 		    fprintf( stderr, "Pixel data %d (to %d)\n", nc, scan_x+nc);
-+	    }
- 	    if ( RLE_BIT( *the_hdr, channel ) )
- 	    {
- 		/* Don't fill past end of scanline! */
---- lib/rle_putcom.c
-+++ lib/rle_putcom.c
-@@ -53,11 +53,12 @@
- {
-     for ( ; *n != '\0' && *n != '=' && *n == *v; n++, v++ )
- 	;
--    if (*n == '\0' || *n == '=')
-+    if (*n == '\0' || *n == '=') {
- 	if ( *v == '\0' )
- 	    return v;
- 	else if ( *v == '=' )
- 	    return ++v;
-+    }
- 
-     return NULL;
- }
diff --git a/pkgs/development/libraries/urt/urt-3.1b-tempfile.patch b/pkgs/development/libraries/urt/urt-3.1b-tempfile.patch
deleted file mode 100644
index 12acce151b5..00000000000
--- a/pkgs/development/libraries/urt/urt-3.1b-tempfile.patch
+++ /dev/null
@@ -1,19 +0,0 @@
---- tools/rlecat.c
-+++ tools/rlecat.c
-@@ -110,8 +110,14 @@
- 	    nflag = 0;		/* Not really repeating! */
- 	else
- 	{
--	    mktemp( temp );	/* Make a temporary file name */
--	    tmpfile = rle_open_f( cmd_name( argv ), temp, "w+" );
-+	    /* we dont have to use rle_open_f() because all it does in
-+	     * this case is run fopen() ... we're creating a file so all
-+	     * the checks for opening an existing file aren't needed */
-+	    int fd = mkstemp(temp);
-+	    if (fd == -1 || (tmpfile = fdopen(fd, "w+")) == NULL) {
-+		perror("Unable to open tempfile");
-+		exit(-1);
-+	    }
- 	}
-     }
- 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 182fcc617bb..09d3d3ecad3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9877,8 +9877,6 @@ with pkgs;
 
   unixODBCDrivers = recurseIntoAttrs (callPackages ../development/libraries/unixODBCDrivers {});
 
-  urt = callPackage ../development/libraries/urt { };
-
   ustr = callPackage ../development/libraries/ustr { };
 
   usbredir = callPackage ../development/libraries/usbredir {