diff options
Diffstat (limited to 'libstdc++-v3/doc/xml/manual/configure.xml')
-rw-r--r-- | libstdc++-v3/doc/xml/manual/configure.xml | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libstdc++-v3/doc/xml/manual/configure.xml b/libstdc++-v3/doc/xml/manual/configure.xml index 7ff07aea886..1b8c37ce2a9 100644 --- a/libstdc++-v3/doc/xml/manual/configure.xml +++ b/libstdc++-v3/doc/xml/manual/configure.xml @@ -74,9 +74,14 @@ </listitem></varlistentry> <varlistentry><term><code>--enable-cstdio=OPTION</code></term> - <listitem><para>Select a target-specific I/O package. At the moment, the only - choice is to use 'stdio', a generic "C" abstraction. - The default is 'stdio'. This option can change the library ABI. + <listitem><para>Select a target-specific I/O package. The choices are 'stdio' + which is a generic abstraction using POSIX file I/O APIs + (<function>read</function>, <function>write</function>, + <function>lseek</function>, etc.), and 'stdio_pure' which is similar + but only uses standard C file I/O APIs (<function>fread</function>, + <function>fwrite</function>, <function>fseek</function>, etc.). + The 'stdio_posix' choice is a synonym for 'stdio'. + The default is 'stdio'. This option can change the library ABI. </para> </listitem></varlistentry> |