diff -Nurd ghostscript-10.02.0.orig/base/lcms2mt.mak ghostscript-10.02.0/base/lcms2mt.mak
--- ghostscript-10.02.0.orig/base/lcms2mt.mak	2023-09-13 02:45:01.000000000 -0400
+++ ghostscript-10.02.0/base/lcms2mt.mak	2023-09-17 13:35:30.000000000 -0400
@@ -89,7 +89,7 @@
 
 # dev file for shared (separately built) lcms library
 $(LCMS2GEN)lcms2mt_1.dev : $(LCMS2_MAK) $(ECHOGS_XE) $(MAKEDIRS)
-	$(SETMOD) $(LCMS2GEN)lcms2mt_1 -lib lcms2
+	$(SETMOD) $(LCMS2GEN)lcms2mt_1 -lib lcms2mt
 
 # dev file for compiling our own from source
 $(LCMS2GEN)lcms2mt_0.dev : $(LCMS2_MAK) $(ECHOGS_XE) $(lcms2_OBJS) $(LCMS2_DEPS)
diff -Nurd ghostscript-10.02.0.orig/base/sjpx_openjpeg.c ghostscript-10.02.0/base/sjpx_openjpeg.c
--- ghostscript-10.02.0.orig/base/sjpx_openjpeg.c	2023-09-13 02:45:01.000000000 -0400
+++ ghostscript-10.02.0/base/sjpx_openjpeg.c	2023-09-17 13:35:52.000000000 -0400
@@ -25,7 +25,6 @@
 #include "gxsync.h"
 #include "assert_.h"
 #if !defined(SHARE_JPX) || (SHARE_JPX == 0)
-#include "opj_malloc.h"
 #endif
 /* Some locking to get around the criminal lack of context
  * in the openjpeg library. */
diff -Nurd ghostscript-10.02.0.orig/base/unistd_.h ghostscript-10.02.0/base/unistd_.h
--- ghostscript-10.02.0.orig/base/unistd_.h	2023-09-13 02:45:01.000000000 -0400
+++ ghostscript-10.02.0/base/unistd_.h	2023-09-17 15:47:36.000000000 -0400
@@ -52,7 +52,9 @@
    /* _XOPEN_SOURCE 500 define is needed to get
     * access to pread and pwrite */
 #  define _XOPEN_SOURCE 500
+#  ifndef __USE_UNIX98
 #  define __USE_UNIX98
+#  endif
 #  include <unistd.h>
 #endif
 
diff -Nurd ghostscript-10.02.0.orig/configure.ac ghostscript-10.02.0/configure.ac
--- ghostscript-10.02.0.orig/configure.ac	2023-09-13 02:45:01.000000000 -0400
+++ ghostscript-10.02.0/configure.ac	2023-09-17 15:47:04.000000000 -0400
@@ -1461,7 +1461,7 @@
 dnl zlib is needed for language level 3, and libpng
 # we must define ZLIBDIR regardless because png.mak does a -I$(ZLIBDIR)
 # this seems a harmless default
-ZLIBDIR=src
+ZLIBDIR=$oldincludedir
 AUX_SHARED_ZLIB=
 ZLIBCFLAGS=""
 
@@ -1577,11 +1577,11 @@
       WHICHLCMS=lcms2
       LCMS2DIR=$LCMS2SRC
     else
-      # See if we have system library of lcms2
+      # See if we have system library of lcms2 (preferably Artifex)
       AC_MSG_RESULT([no])
       AC_MSG_CHECKING([for system lcms2 library])
-      AC_CHECK_LIB(lcms2, _cmsCreateMutex, [
-         AC_CHECK_HEADERS([lcms2.h], [SHARELCMS=1;WHICHLCMS=lcms2])
+      AC_CHECK_LIB(lcms2mt, cmsCloneTransformChangingFormats, [
+         AC_CHECK_HEADERS([lcms2mt.h], [SHARELCMS=1;WHICHLCMS=lcms2mt])
        ])
       if test x$WHICHLCMS = x; then
          AC_MSG_ERROR([lcms2 not found, or too old])
diff -Nurd ghostscript-10.02.0.orig/devices/gdevpng.c ghostscript-10.02.0/devices/gdevpng.c
--- ghostscript-10.02.0.orig/devices/gdevpng.c	2023-09-13 02:45:01.000000000 -0400
+++ ghostscript-10.02.0/devices/gdevpng.c	2023-09-17 13:54:15.000000000 -0400
@@ -808,6 +808,7 @@
 
 #if PNG_LIBPNG_VER_MINOR < 5
 
+#if 0 /* not required in 1.5 */
 /*
  * Patch around a static reference to a never-used procedure.
  * This could be avoided if we were willing to edit pngconf.h to
@@ -828,6 +829,7 @@
 }
 #endif
 #endif
+#endif
 
 static int
 pngalpha_open(gx_device * pdev)
Binary files ghostscript-10.02.0.orig/lcms2mt/Projects/mac/LittleCMS/._Info.plist and ghostscript-10.02.0/lcms2mt/Projects/mac/LittleCMS/._Info.plist differ
Binary files ghostscript-10.02.0.orig/lcms2mt/Projects/mac/LittleCMS/._LittleCMS.xcodeproj and ghostscript-10.02.0/lcms2mt/Projects/mac/LittleCMS/._LittleCMS.xcodeproj differ