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-rw-r--r--release_docs/RELEASE.txt20
1 files changed, 20 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 66355a0..8268cbe 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -47,6 +47,26 @@ New Features
Configuration:
-------------
+ - Added defaults to CMake for long double conversion checks
+
+ HDF5 performs a couple of checks at build time to see if long double
+ values can be converted correctly (IBM's Power architecture uses a
+ special format for long doubles). These checks were performed using
+ TRY_RUN, which is a problem when cross-compiling.
+
+ These checks now use default values appropriate for most non-Power
+ systems when cross-compiling. The cache values can be pre-set if
+ necessary, which will preempt both the TRY_RUN and the default.
+
+ Affected values:
+ H5_LDOUBLE_TO_LONG_SPECIAL (default no)
+ H5_LONG_TO_LDOUBLE_SPECIAL (default no)
+ H5_LDOUBLE_TO_LLONG_ACCURATE (default yes)
+ H5_LLONG_TO_LDOUBLE_CORRECT (default yes)
+ H5_DISABLE_SOME_LDOUBLE_CONV (default no)
+
+ Fixes GitHub #3585
+
- Improved support for Intel oneAPI
* Separates the old 'classic' Intel compiler settings and warnings