--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/leptonica/src/psio1stub.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,137 @@
+/*====================================================================*
+ -  Copyright (C) 2001 Leptonica.  All rights reserved.
+ -
+ -  Redistribution and use in source and binary forms, with or without
+ -  modification, are permitted provided that the following conditions
+ -  are met:
+ -  1. Redistributions of source code must retain the above copyright
+ -     notice, this list of conditions and the following disclaimer.
+ -  2. Redistributions in binary form must reproduce the above
+ -     copyright notice, this list of conditions and the following
+ -     disclaimer in the documentation and/or other materials
+ -     provided with the distribution.
+ -
+ -  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ -  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ -  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ -  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ANY
+ -  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ -  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ -  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ -  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ -  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ -  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ -  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *====================================================================*/
+
+/*!
+ * \file psio1stub.c
+ * <pre>
+ *
+ *     Stubs for psio1.c functions
+ * </pre>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config_auto.h>
+#endif  /* HAVE_CONFIG_H */
+
+#include "allheaders.h"
+
+/* --------------------------------------------*/
+#if  !USE_PSIO   /* defined in environ.h */
+/* --------------------------------------------*/
+
+l_ok convertFilesToPS(const char *dirin, const char *substr,
+                      l_int32 res, const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok sarrayConvertFilesToPS(SARRAY *sa, l_int32 res, const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok convertFilesFittedToPS(const char *dirin, const char *substr,
+                            l_float32 xpts, l_float32 ypts,
+                            const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok sarrayConvertFilesFittedToPS(SARRAY *sa, l_float32 xpts,
+                                  l_float32 ypts, const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok writeImageCompressedToPSFile(const char *filein, const char *fileout,
+                                  l_int32 res, l_int32 *pindex)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok convertSegmentedPagesToPS(const char *pagedir, const char *pagestr,
+                               l_int32 page_numpre, const char *maskdir,
+                               const char *maskstr, l_int32 mask_numpre,
+                               l_int32 numpost, l_int32 maxnum,
+                               l_float32 textscale, l_float32 imagescale,
+                               l_int32 threshold, const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok pixWriteSegmentedPageToPS(PIX *pixs, PIX *pixm, l_float32 textscale,
+                               l_float32 imagescale, l_int32 threshold,
+                               l_int32 pageno, const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok pixWriteMixedToPS(PIX *pixb, PIX *pixc, l_float32 scale,
+                       l_int32 pageno, const char *fileout)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok convertToPSEmbed(const char *filein, const char *fileout, l_int32 level)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok pixaWriteCompressedToPS(PIXA *pixa, const char *fileout,
+                             l_int32 res, l_int32 level)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* ----------------------------------------------------------------------*/
+
+l_ok pixWriteCompressedToPS(PIX *pix, const char *fileout, l_int32 res,
+                            l_int32 level, l_int32 *pindex)
+{
+    return ERROR_INT("function not present", __func__, 1);
+}
+
+/* --------------------------------------------*/
+#endif  /* !USE_PSIO */
+/* --------------------------------------------*/