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-rw-r--r--www/INSTALL-unix.rst9
1 files changed, 7 insertions, 2 deletions
diff --git a/www/INSTALL-unix.rst b/www/INSTALL-unix.rst
index 9c10a23..9076c90 100644
--- a/www/INSTALL-unix.rst
+++ b/www/INSTALL-unix.rst
@@ -820,8 +820,10 @@ Several configure options require special note:
JPEG XL
-------
-JPEG XL seems to be a work in progress. For development testing with
-it we build it as described on its git page
+JPEG XL seems to be a work in progress, with previous APIs being
+deprecated, and replacement APIs introduced. We have taken an
+approach to use the latest recommended APIs. For development testing
+with it (0.7.0 or later) we build it as described on its git page
(https://github.com/libjxl/libjxl), but configure and build it like::
git clone https://github.com/libjxl/libjxl.git --recursive --shallow-submodules
@@ -835,6 +837,9 @@ it we build it as described on its git page
[ check for 100% tests passed ]
make install
+While the JPEG XL project recommends using Clang, it is observed to
+work without known issues when compiled using GCC 9.4.0.
+
Popular Distribution Packages
-----------------------------