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| author | Raymond Lu <songyulu@hdfgroup.org> | 2012-02-07 21:42:32 (GMT) |
|---|---|---|
| committer | Raymond Lu <songyulu@hdfgroup.org> | 2012-02-07 21:42:32 (GMT) |
| commit | 594ee8d6403396e402a9fc405d7b19ee21cfa0f1 (patch) | |
| tree | e089ad1274726bff284d17ca07f75f4ed7de0971 /release_docs/RELEASE.txt | |
| parent | adb158fa78dedbdd631a3f6c3c0129b2802ce6af (diff) | |
| download | hdf5-594ee8d6403396e402a9fc405d7b19ee21cfa0f1.zip hdf5-594ee8d6403396e402a9fc405d7b19ee21cfa0f1.tar.gz hdf5-594ee8d6403396e402a9fc405d7b19ee21cfa0f1.tar.bz2 | |
[svn-r21913] Issue 7829 - data conversion from "long double" to integers failed on Ubuntu with optimization. I documented it as
a known solution and provided users a way to lower down the optimization.
No test.
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 536cdd7..ffa82be 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -1028,6 +1028,18 @@ SuSe Linux 2.6.5 Known Problems ============== +* The data conversion test dt_arith.c fails in "long double" to integer + conversion on Ubuntu 11.10 (3.0.0.13 kernal) with GCC 4.6.1 if the library + is built with optimization -O3 or -O2. The older GCC (4.5) or newer kernal + (3.2.2 on Fedora) doesn't have the problem. Users should lower down the + optimization level (-O1 or -O0) by defining CFLAGS in the command line of + "configure" like: + + CFLAGS=-O1 ./configure + + It will overwrite the library's default optimization level. (Issue 7829. + SLU - 2012/2/7) + * --with-mpe configure option does not work with Mpich2. AKC - 2011/03/10) * While working on the 1.8.6 release of HDF5, a bug was discovered that can |