GDAL: external LERC only available in 3.3+#31583
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adamjstewart wants to merge 1 commit intospack:developfrom
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GDAL: external LERC only available in 3.3+#31583adamjstewart wants to merge 1 commit intospack:developfrom
adamjstewart wants to merge 1 commit intospack:developfrom
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the story depends on versions. LERC can be used by the MRF driver too. I'm not sure if it is from 3.5.0 or master, but previously only the internal copy of libLERC could be used by the MRF driver. Now it can be the external copy too. |
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Looks like that may also be the case with zstd: #26809 (comment) I would love to know which dependencies are actually used in GDAL and from which versions those deps are supported externally. |
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User reported a build issue when linking to external LERC for older GDAL. According to https://gdal.org/drivers/raster/gtiff.html:
Actually, now that I look at this, I'm not sure if it even makes sense to have a
+lercvariant/dependency. @rouault is LERC actually used in GDAL or is it only used when building the internal copy of libtiff? Since we don't use internal copies of any dependencies, we may be able to remove the+lercvariant. Are there any other dependencies listed at https://gdal.org/build_hints.html that are secretly dependencies of dependencies?