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author | Sergey Poznyakoff <gray@gnu.org.ua> | 2011-08-11 20:46:59 +0000 |
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committer | Sergey Poznyakoff <gray@gnu.org.ua> | 2011-08-11 20:46:59 +0000 |
commit | df9486fa82cd13fd22ef2d2152afd0a690ed481b (patch) | |
tree | 8b51b94001a1f48703d852897be03a4aea33646f /NOTE-WARNING | |
parent | 580c5e7d1e0ced62182bd936c7c2698b6611e000 (diff) | |
download | gdbm-df9486fa82cd13fd22ef2d2152afd0a690ed481b.tar.gz gdbm-df9486fa82cd13fd22ef2d2152afd0a690ed481b.tar.bz2 |
Minor changes in the documentation.
Diffstat (limited to 'NOTE-WARNING')
-rw-r--r-- | NOTE-WARNING | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/NOTE-WARNING b/NOTE-WARNING index 9600df8..6b1c197 100644 --- a/NOTE-WARNING +++ b/NOTE-WARNING @@ -7,18 +7,28 @@ system architectures, or potentially even different compilers. Differences in byte order, the size of file offsets, and even structure packing make gdbm files non-portable. -Gdbm version 1.9.0 includes `large file' support, enabling it on operating +Gdbm version 1.9 includes `large file' support, enabling it on operating systems where it is not the default. `Large file' support is essentially when a system uses 64bit file offsets. Gdbm has, of course, supported `large files' on systems where it was the default for a very long time. On some systems, such as Solaris, this functionality is not enabled by -default. Gdbm will now enable it. THIS MEANS THAT GDBM 1.9.0 MAY NOT BE +default. Gdbm will now enable it. THIS MEANS THAT GDBM 1.9 MAY NOT BE ABLE TO ACCESS DATABASES CREATED BY PREVIOUS VERIONS ON THE SAME SYSTEM. Running the `configure' script with the `--disable-largefile' flag should produce a backwards-compatible build on such a system. However, for maximum compatibility, and increased functionality, you may want to have your application produce a portable copy of your database with the 1.8.3 version -of the library, and then load it back into version 1.9.0. +of the library, and then load it back into version 1.9. + +Gdbm 1.9 contains a utility designed to help you produce such a portable +copy: gdbmexport. To build it, configure the package with the +--enable-gdbm-export option. For the information on how to use this +utility, refer to the documentation, chapter 17 "Export a database into +a portable format." (run `info gdbm gdbmexport' to access it, once +gdbm 1.9 has been installed, or `info -f doc/gdbm.info gdbmexport' to +access the shipped info file). + + |