From 34a41104af8ba31e32c7883c2049a91742ef23b0 Mon Sep 17 00:00:00 2001
From: Jan Palus <atler@pld-linux.org>
Date: Sun, 22 Nov 2020 12:36:59 +0100
Subject: [PATCH] even more fixes for even newer jasper

---
 jasper.patch | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/jasper.patch b/jasper.patch
index 9a2aae6..773c84f 100644
--- a/jasper.patch
+++ b/jasper.patch
@@ -67,3 +67,62 @@ index e780d2bcaed..10a4f96f0ee 100644
  {
      jas_stream_VSIFL_t *fileobj = JAS_CAST(jas_stream_VSIFL_t *, obj);
      return static_cast<int>(VSIFWriteL(buf, 1, cnt, fileobj->fp));
+From 1562e215c6f53a53efa66263113ecc6e761818d2 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Mon, 5 Oct 2020 12:11:52 +0200
+Subject: [PATCH] JPEG2000: make it build with Jasper 2.0.21 (fixes #3012)
+
+---
+ gdal/frmts/jpeg2000/jpeg2000_vsil_io.cpp | 16 +++++++++-------
+ gdal/frmts/jpeg2000/jpeg2000dataset.cpp  |  2 +-
+ 2 files changed, 10 insertions(+), 8 deletions(-)
+
+diff --git a/gdal/frmts/jpeg2000/jpeg2000_vsil_io.cpp b/gdal/frmts/jpeg2000/jpeg2000_vsil_io.cpp
+index 10a4f96f0ee..ebcac4010ce 100644
+--- a/gdal/frmts/jpeg2000/jpeg2000_vsil_io.cpp
++++ b/gdal/frmts/jpeg2000/jpeg2000_vsil_io.cpp
+@@ -94,22 +94,24 @@ typedef struct {
+ * File stream object.
+ \******************************************************************************/
+ 
++#if defined(PRIjas_seqent)
+ // PRIjas_seqent macro is defined since Jasper 2.0.17
+-
+-#ifndef PRIjas_seqent
+-static int JPEG2000_VSIL_read(jas_stream_obj_t *obj, char *buf, int cnt)
+-#else
+ static int JPEG2000_VSIL_read(jas_stream_obj_t *obj, char *buf, unsigned cnt)
++#else
++static int JPEG2000_VSIL_read(jas_stream_obj_t *obj, char *buf, int cnt)
+ #endif
+ {
+     jas_stream_VSIFL_t *fileobj = JAS_CAST(jas_stream_VSIFL_t *, obj);
+     return static_cast<int>(VSIFReadL(buf, 1, cnt, fileobj->fp));
+ }
+ 
+-#ifndef PRIjas_seqent
+-static int JPEG2000_VSIL_write(jas_stream_obj_t *obj, char *buf, int cnt)
+-#else
++#if defined(JAS_INCLUDE_JP2_CODEC)
++// Jasper 2.0.21
++static int JPEG2000_VSIL_write(jas_stream_obj_t *obj, const char *buf, unsigned int cnt)
++#elif defined(PRIjas_seqent)
+ static int JPEG2000_VSIL_write(jas_stream_obj_t *obj, char *buf, unsigned int cnt)
++#else
++static int JPEG2000_VSIL_write(jas_stream_obj_t *obj, char *buf, int cnt)
+ #endif
+ {
+     jas_stream_VSIFL_t *fileobj = JAS_CAST(jas_stream_VSIFL_t *, obj);
+diff --git a/gdal/frmts/jpeg2000/jpeg2000dataset.cpp b/gdal/frmts/jpeg2000/jpeg2000dataset.cpp
+index a5a6b258ed9..bd1e7763186 100644
+--- a/gdal/frmts/jpeg2000/jpeg2000dataset.cpp
++++ b/gdal/frmts/jpeg2000/jpeg2000dataset.cpp
+@@ -513,7 +513,7 @@ int JPEG2000Dataset::DecodeImage()
+         for ( iBand = 0; iBand < nBands; iBand++ )
+         {
+             JPEG2000RasterBand* poBand = (JPEG2000RasterBand*) GetRasterBand(iBand+1);
+-            if (poBand->iDepth != jas_image_cmptprec( psImage, iBand ) ||
++            if (poBand->iDepth != static_cast<int>(jas_image_cmptprec( psImage, iBand )) ||
+                 poBand->bSignedness != jas_image_cmptsgnd( psImage, iBand ))
+             {
+                 CPLError(CE_Failure, CPLE_AppDefined,
-- 
2.43.0