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install.texi: Various spelling and markup fixes.
* doc/install.texi: Various spelling and markup fixes. (Installing GCC): Component specific installation instructions are gone. Fix reference. Warn about removing old install dir in the presence of shared libs. (Configuration): Invoke with options target to match configure --help. Consistently refer to gas, gld pathnames. Invert --enable-multilib documentation. Remove references to old compiler versions. From-SVN: r43697
This commit is contained in:
Rainer Orth
Rainer Orth
parent
faf041ed6b
commit
eea81d3e5d
@ -1,3 +1,16 @@
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2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
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* doc/install.texi: Various spelling and markup fixes.
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(Installing GCC): Component specific installation instructions are
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gone.
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Fix reference.
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Warn about removing old install dir in the presence of shared libs.
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(Configuration): Invoke with options target to match configure
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--help.
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Consistently refer to gas, gld pathnames.
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Invert --enable-multilib documentation.
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Remove references to old compiler versions.
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Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
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* flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
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@ -105,13 +105,11 @@ as detailing some target specific installation instructions.
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GCC includes several components that previously were separate distributions
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with their own installation instructions. This document supersedes all
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package specific installation instructions. We provide the component
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specific installation information in the source distribution for historical
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reference purposes only.
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package specific installation instructions.
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@emph{Before} starting the build/install procedure please check the
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@ifnothtml
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@xref{Specific, host/target specific installation notes}.
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@ref{Specific, host/target specific installation notes}.
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@end ifnothtml
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@ifnotinfo
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@uref{specific.html,,host/target specific installation notes}.
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@ -149,7 +147,8 @@ Please note that GCC does not support @samp{make uninstall} and probably
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won't do so in the near future as this would open a can of worms. Instead,
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we suggest that you install GCC into a directory of its own and simply
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remove that directory when you do not need that specific version of GCC
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any longer.
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any longer, and, if shared libraries are installed there as well, no
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more binaries exist that use them.
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@html
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<hr>
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@ -175,7 +174,8 @@ any longer.
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@cindex Downloading GCC
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@cindex Downloading the Source
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GCC is distributed via CVS and FTP tarballs compressed with @command{gzip} or
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GCC is distributed via @uref{http://gcc.gnu.org/cvs.html,,CVS} and FTP
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tarballs compressed with @command{gzip} or
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@command{bzip2}. It is possible to download a full distribution or specific
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components.
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@ -183,14 +183,13 @@ Please refer to our @uref{http://gcc.gnu.org/releases.html,,releases web page}
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for information on how to obtain GCC@.
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The full distribution includes the C, C++, Objective-C, Fortran, Java,
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and Chill compilers. The full distribution also includes runtime libraries
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for C++, Objective-C, Fortran, Java and Chill. (GCC 3.0 does not
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include Chill. Releases before 3.0 do not include the Java runtime
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library.) In GCC 3.0 and later versions, GNU compiler testsuites
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and CHILL compilers. The full distribution also includes runtime libraries
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for C++, Objective-C, Fortran, Java and CHILL. (GCC 3.0 does not
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include CHILL.) In GCC 3.0 and later versions, GNU compiler testsuites
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are also included in the full distribution.
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If you choose to download specific components, you must download the core
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gcc distribution plus any language specific distributions you wish to
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GCC distribution plus any language specific distributions you wish to
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use. The core distribution includes the C language front end as well as the
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shared components. Each language has a tarball which includes the language
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front end as well as the language runtime (when appropriate).
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@ -248,7 +247,7 @@ where @var{srcdir} == @var{objdir} should still work, but doesn't
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get extensive testing; building where @var{objdir} is a subdirectory
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of @var{srcdir} is unsupported.
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If you have built GCC previously in the same directory for a
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If you have previously built GCC in the same directory for a
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different target machine, do @samp{make distclean} to delete all files
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that might be invalid. One of the files this deletes is
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@file{Makefile}; if @samp{make distclean} complains that @file{Makefile}
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@ -262,12 +261,18 @@ Second, when configuring a native system, either @command{cc} or
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your environment before running configure. Otherwise the configuration
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scripts may fail.
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Note that the bootstrap compiler and the resulting GCC must be link
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compatible, else the bootstrap will fail with linker errors about
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incompatible object file formats. Several multilibed targets are
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affected by this requirement, see @ref{Specific, host/target specific
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installation notes} for details.
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To configure GCC:
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@example
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% mkdir @var{objdir}
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% cd @var{objdir}
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% @var{srcdir}/configure [@var{target}] [@var{options}]
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% @var{srcdir}/configure [@var{options}] [@var{target}]
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@end example
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@ -339,7 +344,7 @@ manual.)
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@item --with-gxx-include-dir=@var{dirname}
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Specify
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the installation directory for g++ header files. The default is
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the installation directory for G++ header files. The default is
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@file{@var{prefix}/include/g++-v3}.
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@end table
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@ -382,7 +387,9 @@ installing GCC creates the directory.
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@item --enable-shared[=@var{package}[,@dots{}]]
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Build shared versions of libraries, if shared libraries are supported on
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the target platform. Unlike GCC 2.95.x and earlier, shared libraries
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are enabled by default on all platforms that support shared libraries.
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are enabled by default on all platforms that support shared libraries,
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except for @samp{libobjc} which is built as a static library only by
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default.
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If a list of packages is given as an argument, build shared libraries
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only for the listed packages. For other packages, only static libraries
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@ -391,7 +398,7 @@ will be built. Package names currently recognized in the GCC tree are
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@samp{libstdc++-v3}), @samp{libffi}, @samp{zlib}, @samp{boehm-gc} and
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@samp{libjava}. Note that @samp{libobjc} does not recognize itself by
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any name, so, if you list package names in @option{--enable-shared},
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you'll only get static Objective-C libraries. @samp{libf2c} and
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you will only get static Objective-C libraries. @samp{libf2c} and
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@samp{libiberty} do not support shared libraries at all.
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Use @option{--disable-shared} to build only static libraries. Note that
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@ -406,7 +413,7 @@ assembler is not actually the GNU assembler. (Confusion will also
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result if the compiler finds the GNU assembler but has not been
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configured with @option{--with-gnu-as}.) If you have more than one
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assembler installed on your system, you may want to use this option in
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connection with @option{--with-as=@file{/path/to/gas}}.
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connection with @option{--with-as=@var{pathname}}.
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The systems where it makes a difference whether you use the GNU assembler are
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@samp{hppa1.0-@var{any}-@var{any}}, @samp{hppa1.1-@var{any}-@var{any}},
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@ -422,7 +429,7 @@ On the systems listed above (except for the HP-PA, for ISC on the
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386, and for @samp{mips-sgi-irix5.*}), if you use the GNU assembler,
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you should also use the GNU linker (and specify @option{--with-gnu-ld}).
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@item --with-as=@file{/path/to/as}
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@item --with-as=@var{pathname}
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Specify that the
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compiler should use the assembler pointed to by @var{pathname}, rather
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than the one found by the standard rules to find an assembler, which
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@ -433,9 +440,9 @@ Check the
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@file{@var{exec_prefix}/lib/gcc-lib/@var{target}/@var{version}}
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directory, where @var{exec_prefix} defaults to @var{prefix} which
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defaults to @file{/usr/local} unless overridden by the
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@option{--prefix=/pathname} switch described above. @var{target} is the
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@option{--prefix=@var{pathname}} switch described above. @var{target} is the
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target system triple, such as @var{sparc-sun-solaris2.7}, and
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@var{version} denotes the GCC version, such as 2.95.2.
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@var{version} denotes the GCC version, such as 3.0.
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@item
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Check operating system specific directories (e.g.@: @file{/usr/ccs/bin} on
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Sun Solaris).
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@ -450,7 +457,7 @@ Same as @uref{#with-gnu-as,,@option{--with-gnu-as}}
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but for linker.
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@item --with-ld=@file{/path/to/ld}
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@item --with-ld=@var{pathname}
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Same as
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@option{--with-as}, but for the linker.
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@ -484,10 +491,11 @@ information normally used on 386 SVR4 platforms; stabs provide a
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workable alternative. This requires gas and gdb, as the normal SVR4
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tools can not generate or interpret stabs.
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@item --enable-multilib
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@item --disable-multilib
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Specify that multiple target
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libraries should be built to support different target variants, calling
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conventions, etc. This is the default.
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libraries to support different target variants, calling
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conventions, etc should not be built. The default is to build a
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predefined set of them.
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@item --enable-threads
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Specify that the target
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@ -517,7 +525,7 @@ AIX thread support.
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@item dce
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DCE thread support.
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@item mach
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Generic MACH thread support, known to work on NEXTSTEP@. (Please note
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Generic MACH thread support, known to work on NeXTSTEP@. (Please note
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that the file needed to support this configuration, @file{gthr-mach.h}, is
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missing and thus this setting will cause a known bootstrap failure.)
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@item no
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@ -533,7 +541,7 @@ RTEMS thread support.
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@item single
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Disable thread support, should work for all platforms.
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@item solaris
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SUN Solaris thread support.
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Sun Solaris 2 thread support.
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@item vxworks
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VxWorks thread support.
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@item win32
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@ -573,24 +581,26 @@ to do so.
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Specify
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that runtime libraries should be installed in the compiler specific
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subdirectory (@file{@var{libsubdir}}) rather than the usual places. In
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addition, libstdc++'s include files will be installed in
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addition, @samp{libstdc++}'s include files will be installed in
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@file{@var{libsubdir}/include/g++} unless you overruled it by using
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@option{--with-gxx-include-dir=@var{dirname}}. Using this option is
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particularly useful if you intend to use several versions of GCC in
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parallel. This is currently supported by @samp{libf2c} and
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@samp{libstdc++}.
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parallel. This is currently supported by @samp{libf2c} and
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@samp{libstdc++}, and is the default for @samp{libobjc} which cannot be
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changed in this case.
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@item --enable-languages=@var{lang1},@var{lang2},@dots{}
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Specify that only a particular subset of compilers and
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their runtime libraries should be built. For a list of valid values for
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@var{langN} you can issue the following command in the
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@file{gcc} directory of your GCC source tree:@* @samp{grep language=
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*/config-lang.in}@* Currently, you can use any of the following:
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@file{gcc} directory of your GCC source tree:@*
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@example
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grep language= */config-lang.in
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@end example
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Currently, you can use any of the following:
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@code{c}, @code{c++}, @code{f77}, @code{java} and @code{objc}.
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@code{CHILL} is not currently maintained, and will almost
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certainly fail to compile. Note that this switch does not work with
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EGCS 1.1.2 or older versions of egcs. It is supported in GCC 2.95
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and newer versions.@*
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certainly fail to compile.@*
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If you do not pass this flag, all languages available in the @file{gcc}
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sub-tree will be configured. Re-defining @code{LANGUAGES} when calling
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@samp{make bootstrap} @strong{does not} work anymore, as those
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@ -603,27 +613,27 @@ to use GCJ with some other run-time, or you're going to install it
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separately, or it just happens not to build on your particular
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machine. In general, if the Java front end is enabled, the GCJ
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libraries will be enabled too, unless they're known to not work on
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the target platform. If GCJ is enabled but libgcj isn't built, you
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the target platform. If GCJ is enabled but @samp{libgcj} isn't built, you
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may need to port it; in this case, before modifying the top-level
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@file{configure.in} so that libgcj is enabled by default on this platform,
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@file{configure.in} so that @samp{libgcj} is enabled by default on this platform,
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you may use @option{--enable-libgcj} to override the default.
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@item --with-dwarf2
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Specify that the compiler should
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use DWARF2 debugging information as the default.
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use DWARF 2 debugging information as the default.
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@item --enable-win32-registry
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@itemx --enable-win32-registry=@var{KEY}
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@itemx --enable-win32-registry=@var{key}
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@itemx --disable-win32-registry
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The @option{--enable-win32-registry} option enables Windows-hosted GCC
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to look up installations paths in the registry using the following key:
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@smallexample
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@code{HKEY_LOCAL_MACHINE\SOFTWARE\Free Software Foundation\@var{KEY}}
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@code{HKEY_LOCAL_MACHINE\SOFTWARE\Free Software Foundation\@var{key}}
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@end smallexample
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@var{KEY} defaults to GCC version number, and can be overridden by the
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@option{--enable-win32-registry=@var{KEY}} option. Vendors and distributors
|
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@var{key} defaults to GCC version number, and can be overridden by the
|
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@option{--enable-win32-registry=@var{key}} option. Vendors and distributors
|
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who use custom installers are encouraged to provide a different key,
|
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perhaps one comprised of vendor name and GCC version number, to
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avoid conflict with existing installations. This feature is enabled
|
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@ -677,16 +687,16 @@ which has target include files.
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compiler, if @file{@var{prefix}/@var{target}/sys-include} doesn't pre-exist.
|
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These include files will be copied into the @file{gcc} install directory.
|
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Fixincludes will be run on these files to make them compatible with
|
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@command{gcc}.
|
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GCC.
|
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@item --with-libs=``@var{dir1} @var{dir2} @dots{} @var{dirN}''
|
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Specifies a list of directories which contain the target runtime
|
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libraries. These libraries will be copied into the @file{gcc} install
|
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directory.
|
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@item --with-newlib
|
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Specifies that ``newlib'' is
|
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Specifies that @samp{newlib} is
|
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being used as the target C library. This causes @code{__eprintf} to be
|
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omitted from libgcc.a on the assumption that it will be provided by
|
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newlib.
|
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omitted from @file{libgcc.a} on the assumption that it will be provided by
|
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@samp{newlib}.
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@end table
|
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|
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Note that each @option{--enable} option has a corresponding
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@ -776,8 +786,8 @@ gperf.
|
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|
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@item
|
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Build target tools for use by the compiler such as binutils (bfd,
|
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binutils, gas, gprof, ld, and opcodes)@*
|
||||
if they have been individually linked
|
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binutils, gas, gprof, ld, and opcodes)
|
||||
if they have been individually linked
|
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or moved into the top level GCC source tree before configuring.
|
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|
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@item
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@ -805,8 +815,8 @@ without debugging information with @samp{make CFLAGS='-O' LIBCFLAGS='-g
|
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roughly 40% of disk space both for the bootstrap and the final installation.
|
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(Libraries will still contain debugging information.)
|
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|
||||
If you wish to use non-default flags when compiling the stage2 and
|
||||
stage3 compile, set @code{BOOT_CFLAGS} on the command line when doing
|
||||
If you wish to use non-default GCC flags when compiling the stage2 and
|
||||
stage3 compilers, set @code{BOOT_CFLAGS} on the command line when doing
|
||||
@samp{make bootstrap}. Non-default optimization flags are less well
|
||||
tested here than the default of @samp{-g -O2}, but should still work.
|
||||
In a few cases, you may find that you need to specify special flags such
|
||||
@ -820,11 +830,11 @@ If you used the flag @option{--enable-languages=@dots{}} to restrict
|
||||
the compilers to be built, only those you've actually enabled will be
|
||||
built. This will of course only build those runtime libraries, for
|
||||
which the particular compiler has been built. Please note,
|
||||
that re-defining LANGUAGES when calling @samp{make bootstrap}
|
||||
that re-defining @env{LANGUAGES} when calling @samp{make bootstrap}
|
||||
@strong{does not} work anymore!
|
||||
|
||||
If the comparison of stage2 and stage3 fails, this normally indicates
|
||||
that the stage 2 compiler has compiled GCC incorrectly, and is therefore
|
||||
that the stage2 compiler has compiled GCC incorrectly, and is therefore
|
||||
a potentially serious bug which you should investigate and report. (On
|
||||
a few systems, meaningful comparison of object files is impossible; they
|
||||
always appear ``different''. If you encounter this problem, you will
|
||||
@ -902,10 +912,6 @@ the number of processors in your machine.
|
||||
@cindex Installing GCC: Testing
|
||||
@cindex Testsuite
|
||||
|
||||
@strong{Please note that this is only applicable
|
||||
to current development versions of GCC and GCC 3.0 or later.
|
||||
GCC 2.95.x does not come with a testsuite.}
|
||||
|
||||
Before you install GCC, you might wish to run the testsuite. This
|
||||
step is optional and may require you to download additional software.
|
||||
|
||||
@ -919,11 +925,6 @@ dejagnu 1.3 is not sufficient.
|
||||
Now you may need specific preparations:
|
||||
|
||||
@itemize @bullet
|
||||
@item
|
||||
In order to run the libio tests in GCC 2.95 and earlier versions of GCC
|
||||
on targets which do not fully
|
||||
support Unix/POSIX commands (e.g.@: Cygwin), the references to the @file{dbz}
|
||||
directory have to be deleted from @file{libio/configure.in}.
|
||||
|
||||
@item
|
||||
The following environment variables may need to be set appropriately, as in
|
||||
@ -958,20 +959,20 @@ compilers as well as the C++ and Java runtime libraries.
|
||||
|
||||
As a first possibility to cut down the number of tests that are run it is
|
||||
possible to use @samp{make check-gcc} or @samp{make check-g++}
|
||||
in the gcc subdirectory of the object directory. To further cut down the
|
||||
in the @file{gcc} subdirectory of the object directory. To further cut down the
|
||||
tests the following is possible:
|
||||
|
||||
@example
|
||||
make check-gcc RUNTESTFLAGS="execute.exp @var{other-options}"
|
||||
@end example
|
||||
|
||||
This will run all gcc execute tests in the testsuite.
|
||||
This will run all @command{gcc} execute tests in the testsuite.
|
||||
|
||||
@example
|
||||
make check-g++ RUNTESTFLAGS="old-deja.exp=9805* @var{other-options}"
|
||||
@end example
|
||||
|
||||
This will run the g++ ``old-deja'' tests in the testsuite where the filename
|
||||
This will run the @command{g++} ``old-deja'' tests in the testsuite where the filename
|
||||
matches @samp{9805*}.
|
||||
|
||||
The @file{*.exp} files are located in the testsuite directories of the GCC
|
||||
@ -1049,8 +1050,10 @@ should look here first if you think your results are unreasonable.
|
||||
@chapter Installing GCC: Final installation
|
||||
@end ifnothtml
|
||||
|
||||
Now that GCC has been built and tested, you can install it with
|
||||
@samp{cd @var{objdir}; make install}.
|
||||
Now that GCC has been built (and optionally tested), you can install it with
|
||||
@example
|
||||
cd @var{objdir}; make install
|
||||
@end example
|
||||
|
||||
That step completes the installation of GCC; user level binaries can
|
||||
be found in @file{@var{prefix}/bin} where @var{prefix} is the value you
|
||||
@ -1066,11 +1069,11 @@ info format in @file{@var{infodir}} (normally @file{@var{prefix}/info}).
|
||||
If you don't mind, please quickly review the
|
||||
@uref{http://gcc.gnu.org/gcc-3.0/buildstat.html,,build status page}.
|
||||
If your system is not listed, send a note to
|
||||
@uref{mailto:gcc@@gcc.gnu.org,,gcc@@gcc.gnu.org} indicating
|
||||
that you successfully built and installed GCC@.
|
||||
@email{gcc@@gcc.gnu.org} indicating
|
||||
that you successfully built and installed GCC.
|
||||
|
||||
Include the output from running @file{@var{srcdir}/config.guess}. (Do
|
||||
not send us the config.guess file itself, just the one-line output from
|
||||
not send us the @file{config.guess} file itself, just the one-line output from
|
||||
running it!)
|
||||
|
||||
If you find a bug, please report it following our
|
||||
@ -1515,13 +1518,13 @@ we need to use the old assembler, invoked via the barely documented
|
||||
Compaq C Compiler:
|
||||
|
||||
@example
|
||||
% CC=cc @var{srcdir}/configure [@var{target}] [@var{options}]
|
||||
% CC=cc @var{srcdir}/configure [@var{options}] [@var{target}]
|
||||
@end example
|
||||
|
||||
or you can use a copy of GCC 2.95.3 or higher built on Tru64 UNIX V4.0:
|
||||
|
||||
@example
|
||||
% CC=gcc -Wa,-oldas @var{srcdir}/configure [@var{target}] [@var{options}]
|
||||
% CC=gcc -Wa,-oldas @var{srcdir}/configure [@var{options}] [@var{target}]
|
||||
@end example
|
||||
|
||||
GCC writes a @samp{.verstamp} directive to the assembler output file
|
||||
@ -2446,7 +2449,7 @@ does not happen on 3.1.
|
||||
You absolutely @strong{must} use GNU sed and GNU make on this platform.
|
||||
|
||||
|
||||
On NEXTSTEP 3.x where x < 3 the build of GCC will abort during
|
||||
On NeXTSTEP 3.x where x < 3 the build of GCC will abort during
|
||||
stage1 with an error message like this:
|
||||
|
||||
@example
|
||||
|
||||
Loading…
Reference in New Issue
Block a user