diff options
Diffstat (limited to 'gnu/egcs/install/configure.html')
| -rw-r--r-- | gnu/egcs/install/configure.html | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/gnu/egcs/install/configure.html b/gnu/egcs/install/configure.html index f27ab3a6d67..5e133e9a52c 100644 --- a/gnu/egcs/install/configure.html +++ b/gnu/egcs/install/configure.html @@ -42,8 +42,12 @@ Otherwise the configuration scripts may fail. recommend you not provide a configure target when configuring a native compiler. - <li> <b>target</b> must be specified when configuring a cross compiler; + <li> <b>target</b> must be specified as <tt>--target=</tt><i>target</i> + when configuring a cross compiler; examples of valid targets would be i960-rtems, m68k-coff, sh-elf, etc. + + <li>Specifying just <i>target</i> instead of <tt>--target=</tt><i>target</i> + implies that the host defaults to <i>target</i>. </ul> @@ -97,11 +101,13 @@ GCC. A partial list of supported <tt>options</tt>: etc. This is the default. <li> <tt>--enable-threads</tt> -- Specify that the target supports threads. - This affects only the Objective-C compiler and runtime library. + This affects the Objective-C compiler and runtime library, and exception + handling for other languages like C++ and Java. <li> <tt>--enable-threads=</tt><i>lib</i> -- Specify that <i>lib</i> is the - thread support library. This affects only the Objective-C compiler and - runtime library. + thread support library. This affects the Objective-C compiler and + runtime library, and exception handling for other languages like C++ and + Java. <li> <tt>--with-cpu=</tt><i>cpu</i> -- Specify which cpu variant the compiler should generate code for by default. This is currently @@ -110,15 +116,18 @@ GCC. A partial list of supported <tt>options</tt>: 603e, or ultrasparc) you provide, please check the configure script for a complete list of supported models. - <li> <tt>--enable-target-optspace</tt> -- Specify that target libraries should be optimzied for code space instead of code speed. This is the default for - the m32r platform. + <li> <tt>--enable-target-optspace</tt> -- Specify that target libraries + should be optimized for code space instead of code speed. This is the + default for the m32r platform. <li> <tt>--enable-cpp</tt> -- Specify that a shell script which emulates traditional cpp functionality should be installed. - <li> <tt>--enable-cpplib</tt> -- Specify that the functionality of CPP should - be integrated into the compiler itself. This is still under development, but - may be useful in limited situations. This option is never enabled by default. + <li> <tt>--enable-cpplib</tt> -- Specify that the functionality of + CPP should be integrated into the compiler itself. This option is + not supported by snapshots since November 2000. In snapshots where + it is supported, it is not enabled by default, except for snapshots + very close to November 2000. <li> <tt>--without-fast-fixincludes</tt> -- Specify that the old, slower method of fixing the system header files should be used. @@ -132,7 +141,7 @@ GCC. A partial list of supported <tt>options</tt>: <tt>${libsubdir}/include/g++</tt> unless you overruled it by using <tt>--with-gxx-include-dir=</tt><i>dirname</i>. Using this option is particularly useful if you intend to use several - versions of egcs/gcc in parallel. This is currently supported by <tt>libf2c</tt> + versions of GCC in parallel. This is currently supported by <tt>libf2c</tt> and <tt>libstdc++</tt>. <li> <tt>--enable-languages=</tt><i>lang1</i><tt>,</tt><i>lang2</i><tt>,...</tt> @@ -144,8 +153,8 @@ GCC. A partial list of supported <tt>options</tt>: </tt><br> Currently, you can use any of the following: <tt>CHILL</tt>, <tt>c++</tt>, <tt>f77</tt>, <tt>java</tt> and <tt>objc</tt>. Please note, that this switch - does not work with EGCS 1.1.2 or older versions of egcs. It will be supported - in GCC 2.95 and newer version.<br> + does not work with EGCS 1.1.2 or older versions of egcs. It is supported + in GCC 2.95 and newer versions.<br> If you do not pass this flag, all languages available in the <tt>gcc</tt> sub-tree will be configured. Re-defining LANGUAGES when calling <tt>make bootstrap</tt> <b>*does not*</b> work anymore, as those language sub-directories might not have been @@ -158,9 +167,11 @@ GCC. A partial list of supported <tt>options</tt>: <p>Some options which only apply to building cross compilers: <ul> <li> <tt>--with-headers=</tt><i>dir</i> -- Specifies a directory which has - target include files. These include files will be copied into the gcc - install directory. Fixincludes will be run on these files to make them - compatible with gcc. + target include files. + <em>This options is required</em> when building a cross + compiler, if <tt>${prefix}/${target}/sys-include</tt> doesn't pre-exist. + These include files will be copied into the gcc install directory. + Fixincludes will be run on these files to make them compatible with gcc. <li> <tt>--with-libs=</tt><i>"dir1 dir2 ... dirN"</i> -- Specifies a list of directories which contain the target runtime libraries. These libraries will be copied into the gcc install directory. @@ -172,10 +183,8 @@ GCC. A partial list of supported <tt>options</tt>: <p>Note that each <tt>--enable</tt> option has a corresponding <tt>--disable</tt> option and that each <tt>--with</tt> option has a corresponding <tt>--without</tt> option. - -<p> <hr> -<i>Last modified on July 16, 1999.</i> +<p><a href="./index.html">Return to the GCC Installation page</a></p> </body> </html> |