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| author | Raymond Lu <songyulu@hdfgroup.org> | 2012-02-07 21:43:38 (GMT) |
|---|---|---|
| committer | Raymond Lu <songyulu@hdfgroup.org> | 2012-02-07 21:43:38 (GMT) |
| commit | dda14b5a1cad55126ea74732d0b76f09ce06bc92 (patch) | |
| tree | 5f1249cc8e3f06d64f5bf12d1c5223d018ce2a5b /release_docs | |
| parent | a7c969372e8bdc0e66f0e15f204185360bb0e60b (diff) | |
| download | hdf5-dda14b5a1cad55126ea74732d0b76f09ce06bc92.zip hdf5-dda14b5a1cad55126ea74732d0b76f09ce06bc92.tar.gz hdf5-dda14b5a1cad55126ea74732d0b76f09ce06bc92.tar.bz2 | |
[svn-r21914] 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')
| -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 2928462..71fcf30 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -336,6 +336,18 @@ SGI Linux 2.6.32.19 y y y y 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) + * After the shared library support was fixed for some bugs, it was discovered that "make prefix=XXX install" no longer works for shared libraries. It still works correctly for static libraries. Therefore, if you want to |