diff options
Diffstat (limited to 'libstdc++-v3/docs/html/configopts.html')
| -rw-r--r-- | libstdc++-v3/docs/html/configopts.html | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/libstdc++-v3/docs/html/configopts.html b/libstdc++-v3/docs/html/configopts.html index eab9864f330..aec70a60271 100644 --- a/libstdc++-v3/docs/html/configopts.html +++ b/libstdc++-v3/docs/html/configopts.html @@ -76,23 +76,11 @@ options</a></h1> <dd><p>Adds support for named libstdc++ include directory. For instance, the following puts all the libstdc++ headers into a directory called "2.97-20001008" instead of the usual - "g++-v3". + "c++/(version)". </p> <pre> --with-gxx-include-dir=/foo/H-x86-gcc-3-c-gxx-inc/include/2.97-20001008</pre> </dd> - <dt><code>--enable-debug </code></dt> - <dd><p>The configure script will automatically detect the highest - level of optimization that the compiler in use can use. - This --enable flag will disable all optimizations and instruct - the compiler to emit as much extra debugging information as it - can, for use inside GDB. Note this make command, executed in - the build directory, will do much the same thing, without the - configuration difference: - <code>make CXXFLAGS='-g -O0' all</code> - </p> - </dd> - <dt><code>--enable-cstdio </code></dt> <dd><p>This is an abbreviated form of <code>'--enable-cstdio=stdio'</code> (described next). This option can change the library ABI. @@ -157,6 +145,34 @@ options</a></h1> </p> </dd> + <dt><code>--enable-debug </code></dt> + <dd><p>Build separate debug libraries in addition to what is normally built. + By default, the debug libraries are compiled with + <code> CXXFLAGS='-g3 -O0'</code> + , are installed in <code>${libdir}/debug</code>, and have the + same names and versioning information as the non-debug + libraries. This option is off by default. + <p> + Note this make command, executed in + the build directory, will do much the same thing, without the + configuration difference and without building everything twice: + <code>make CXXFLAGS='-g3 -O0' all</code> + </p> + </p> + </dd> + + <dt><code>--enable-debug-flags=FLAGS</code></dt> + + <dd><p>This option is only valid when <code> --enable-debug </code> + is also specified, and applies to the debug builds only. With + this option, you can pass a specific string of flags to the + compiler to use when building the debug versions of libstdc++. + FLAGS is a quoted string of options, like + </p> + <pre> + --enable-debug-flags='-g3 -O1 -gdwarf-2'</pre> + </dd> + <dt><code>--enable-cxx-flags=FLAGS</code></dt> <dd><p>With this option, you can pass a string of -f (functionality) flags to the compiler to use when building libstdc++. This @@ -238,12 +254,13 @@ options</a></h1> </dd> <dt><code>--enable-symvers[=style] </code></dt> - <dd><p>In 3.1, tries to turn on symbol versioning in the shared library (if a - shared library has been requested). The only 'style' currently - supported is 'gnu' which requires that a recent version of the GNU - linker be in use. With no style given, the configure script will - try to guess if the 'gnu' style can be used, and if so, will turn it - on. Hopefully people will volunteer to do other 'style' options. + <dd><p>In 3.1 and later, tries to turn on symbol versioning in the + shared library (if a shared library has been requested). The + only 'style' currently supported is 'gnu' which requires that + a recent version of the GNU linker be in use. With no style + given, the configure script will try to guess if the 'gnu' + style can be used, and if so, will turn it on. Hopefully + people will volunteer to do other 'style' options. </p> </dd> </dl> |