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-rw-r--r--gis/gdal/README3
1 files changed, 2 insertions, 1 deletions
diff --git a/gis/gdal/README b/gis/gdal/README
index 33a4894063..5103301463 100644
--- a/gis/gdal/README
+++ b/gis/gdal/README
@@ -9,7 +9,8 @@ The related OGR library (which is part of the GDAL source tree)
provides a similar capability for simple features vector data.
The following optional requirements are detected automatically:
-cfitsio, freexl, hdf, hdf5, libwebp, netcdf, postgresql, xerces-c
+cfitsio, freexl, hdf, hdf5, json-c, libwebp, netcdf, postgresql,
+xerces-c
To enable OpenCL GPU-accelerated performance, specify the option
OPENCL=yes (requires opencl-headers to build, and either nvidia-driver