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 2001-07-02 18:08:42 +00:00 committed by Rainer Orth
parent faf041ed6b
commit eea81d3e5d
2 changed files with 87 additions and 71 deletions

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@ -1,3 +1,16 @@
2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* 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.
Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.

View File

@ -105,13 +105,11 @@ as detailing some target specific installation instructions.
GCC includes several components that previously were separate distributions
with their own installation instructions. This document supersedes all
package specific installation instructions. We provide the component
specific installation information in the source distribution for historical
reference purposes only.
package specific installation instructions.
@emph{Before} starting the build/install procedure please check the
@ifnothtml
@xref{Specific, host/target specific installation notes}.
@ref{Specific, host/target specific installation notes}.
@end ifnothtml
@ifnotinfo
@uref{specific.html,,host/target specific installation notes}.
@ -149,7 +147,8 @@ Please note that GCC does not support @samp{make uninstall} and probably
won't do so in the near future as this would open a can of worms. Instead,
we suggest that you install GCC into a directory of its own and simply
remove that directory when you do not need that specific version of GCC
any longer.
any longer, and, if shared libraries are installed there as well, no
more binaries exist that use them.
@html
<hr>
@ -175,7 +174,8 @@ any longer.
@cindex Downloading GCC
@cindex Downloading the Source
GCC is distributed via CVS and FTP tarballs compressed with @command{gzip} or
GCC is distributed via @uref{http://gcc.gnu.org/cvs.html,,CVS} and FTP
tarballs compressed with @command{gzip} or
@command{bzip2}. It is possible to download a full distribution or specific
components.
@ -183,14 +183,13 @@ Please refer to our @uref{http://gcc.gnu.org/releases.html,,releases web page}
for information on how to obtain GCC@.
The full distribution includes the C, C++, Objective-C, Fortran, Java,
and Chill compilers. The full distribution also includes runtime libraries
for C++, Objective-C, Fortran, Java and Chill. (GCC 3.0 does not
include Chill. Releases before 3.0 do not include the Java runtime
library.) In GCC 3.0 and later versions, GNU compiler testsuites
and CHILL compilers. The full distribution also includes runtime libraries
for C++, Objective-C, Fortran, Java and CHILL. (GCC 3.0 does not
include CHILL.) In GCC 3.0 and later versions, GNU compiler testsuites
are also included in the full distribution.
If you choose to download specific components, you must download the core
gcc distribution plus any language specific distributions you wish to
GCC distribution plus any language specific distributions you wish to
use. The core distribution includes the C language front end as well as the
shared components. Each language has a tarball which includes the language
front end as well as the language runtime (when appropriate).
@ -248,7 +247,7 @@ where @var{srcdir} == @var{objdir} should still work, but doesn't
get extensive testing; building where @var{objdir} is a subdirectory
of @var{srcdir} is unsupported.
If you have built GCC previously in the same directory for a
If you have previously built GCC in the same directory for a
different target machine, do @samp{make distclean} to delete all files
that might be invalid. One of the files this deletes is
@file{Makefile}; if @samp{make distclean} complains that @file{Makefile}
@ -262,12 +261,18 @@ Second, when configuring a native system, either @command{cc} or
your environment before running configure. Otherwise the configuration
scripts may fail.
Note that the bootstrap compiler and the resulting GCC must be link
compatible, else the bootstrap will fail with linker errors about
incompatible object file formats. Several multilibed targets are
affected by this requirement, see @ref{Specific, host/target specific
installation notes} for details.
To configure GCC:
@example
% mkdir @var{objdir}
% cd @var{objdir}
% @var{srcdir}/configure [@var{target}] [@var{options}]
% @var{srcdir}/configure [@var{options}] [@var{target}]
@end example
@ -339,7 +344,7 @@ manual.)
@item --with-gxx-include-dir=@var{dirname}
Specify
the installation directory for g++ header files. The default is
the installation directory for G++ header files. The default is
@file{@var{prefix}/include/g++-v3}.
@end table
@ -382,7 +387,9 @@ installing GCC creates the directory.
@item --enable-shared[=@var{package}[,@dots{}]]
Build shared versions of libraries, if shared libraries are supported on
the target platform. Unlike GCC 2.95.x and earlier, shared libraries
are enabled by default on all platforms that support shared libraries.
are enabled by default on all platforms that support shared libraries,
except for @samp{libobjc} which is built as a static library only by
default.
If a list of packages is given as an argument, build shared libraries
only for the listed packages. For other packages, only static libraries
@ -391,7 +398,7 @@ will be built. Package names currently recognized in the GCC tree are
@samp{libstdc++-v3}), @samp{libffi}, @samp{zlib}, @samp{boehm-gc} and
@samp{libjava}. Note that @samp{libobjc} does not recognize itself by
any name, so, if you list package names in @option{--enable-shared},
you'll only get static Objective-C libraries. @samp{libf2c} and
you will only get static Objective-C libraries. @samp{libf2c} and
@samp{libiberty} do not support shared libraries at all.
Use @option{--disable-shared} to build only static libraries. Note that
@ -406,7 +413,7 @@ assembler is not actually the GNU assembler. (Confusion will also
result if the compiler finds the GNU assembler but has not been
configured with @option{--with-gnu-as}.) If you have more than one
assembler installed on your system, you may want to use this option in
connection with @option{--with-as=@file{/path/to/gas}}.
connection with @option{--with-as=@var{pathname}}.
The systems where it makes a difference whether you use the GNU assembler are
@samp{hppa1.0-@var{any}-@var{any}}, @samp{hppa1.1-@var{any}-@var{any}},
@ -422,7 +429,7 @@ On the systems listed above (except for the HP-PA, for ISC on the
386, and for @samp{mips-sgi-irix5.*}), if you use the GNU assembler,
you should also use the GNU linker (and specify @option{--with-gnu-ld}).
@item --with-as=@file{/path/to/as}
@item --with-as=@var{pathname}
Specify that the
compiler should use the assembler pointed to by @var{pathname}, rather
than the one found by the standard rules to find an assembler, which
@ -433,9 +440,9 @@ Check the
@file{@var{exec_prefix}/lib/gcc-lib/@var{target}/@var{version}}
directory, where @var{exec_prefix} defaults to @var{prefix} which
defaults to @file{/usr/local} unless overridden by the
@option{--prefix=/pathname} switch described above. @var{target} is the
@option{--prefix=@var{pathname}} switch described above. @var{target} is the
target system triple, such as @var{sparc-sun-solaris2.7}, and
@var{version} denotes the GCC version, such as 2.95.2.
@var{version} denotes the GCC version, such as 3.0.
@item
Check operating system specific directories (e.g.@: @file{/usr/ccs/bin} on
Sun Solaris).
@ -450,7 +457,7 @@ Same as @uref{#with-gnu-as,,@option{--with-gnu-as}}
but for linker.
@item --with-ld=@file{/path/to/ld}
@item --with-ld=@var{pathname}
Same as
@option{--with-as}, but for the linker.
@ -484,10 +491,11 @@ information normally used on 386 SVR4 platforms; stabs provide a
workable alternative. This requires gas and gdb, as the normal SVR4
tools can not generate or interpret stabs.
@item --enable-multilib
@item --disable-multilib
Specify that multiple target
libraries should be built to support different target variants, calling
conventions, etc. This is the default.
libraries to support different target variants, calling
conventions, etc should not be built. The default is to build a
predefined set of them.
@item --enable-threads
Specify that the target
@ -517,7 +525,7 @@ AIX thread support.
@item dce
DCE thread support.
@item mach
Generic MACH thread support, known to work on NEXTSTEP@. (Please note
Generic MACH thread support, known to work on NeXTSTEP@. (Please note
that the file needed to support this configuration, @file{gthr-mach.h}, is
missing and thus this setting will cause a known bootstrap failure.)
@item no
@ -533,7 +541,7 @@ RTEMS thread support.
@item single
Disable thread support, should work for all platforms.
@item solaris
SUN Solaris thread support.
Sun Solaris 2 thread support.
@item vxworks
VxWorks thread support.
@item win32
@ -573,24 +581,26 @@ to do so.
Specify
that runtime libraries should be installed in the compiler specific
subdirectory (@file{@var{libsubdir}}) rather than the usual places. In
addition, libstdc++'s include files will be installed in
addition, @samp{libstdc++}'s include files will be installed in
@file{@var{libsubdir}/include/g++} unless you overruled it by using
@option{--with-gxx-include-dir=@var{dirname}}. Using this option is
particularly useful if you intend to use several versions of GCC in
parallel. This is currently supported by @samp{libf2c} and
@samp{libstdc++}.
@samp{libstdc++}, and is the default for @samp{libobjc} which cannot be
changed in this case.
@item --enable-languages=@var{lang1},@var{lang2},@dots{}
Specify that only a particular subset of compilers and
their runtime libraries should be built. For a list of valid values for
@var{langN} you can issue the following command in the
@file{gcc} directory of your GCC source tree:@* @samp{grep language=
*/config-lang.in}@* Currently, you can use any of the following:
@file{gcc} directory of your GCC source tree:@*
@example
grep language= */config-lang.in
@end example
Currently, you can use any of the following:
@code{c}, @code{c++}, @code{f77}, @code{java} and @code{objc}.
@code{CHILL} is not currently maintained, and will almost
certainly fail to compile. Note that this switch does not work with
EGCS 1.1.2 or older versions of egcs. It is supported in GCC 2.95
and newer versions.@*
certainly fail to compile.@*
If you do not pass this flag, all languages available in the @file{gcc}
sub-tree will be configured. Re-defining @code{LANGUAGES} when calling
@samp{make bootstrap} @strong{does not} work anymore, as those
@ -603,9 +613,9 @@ to use GCJ with some other run-time, or you're going to install it
separately, or it just happens not to build on your particular
machine. In general, if the Java front end is enabled, the GCJ
libraries will be enabled too, unless they're known to not work on
the target platform. If GCJ is enabled but libgcj isn't built, you
the target platform. If GCJ is enabled but @samp{libgcj} isn't built, you
may need to port it; in this case, before modifying the top-level
@file{configure.in} so that libgcj is enabled by default on this platform,
@file{configure.in} so that @samp{libgcj} is enabled by default on this platform,
you may use @option{--enable-libgcj} to override the default.
@item --with-dwarf2
@ -613,17 +623,17 @@ Specify that the compiler should
use DWARF 2 debugging information as the default.
@item --enable-win32-registry
@itemx --enable-win32-registry=@var{KEY}
@itemx --enable-win32-registry=@var{key}
@itemx --disable-win32-registry
The @option{--enable-win32-registry} option enables Windows-hosted GCC
to look up installations paths in the registry using the following key:
@smallexample
@code{HKEY_LOCAL_MACHINE\SOFTWARE\Free Software Foundation\@var{KEY}}
@code{HKEY_LOCAL_MACHINE\SOFTWARE\Free Software Foundation\@var{key}}
@end smallexample
@var{KEY} defaults to GCC version number, and can be overridden by the
@option{--enable-win32-registry=@var{KEY}} option. Vendors and distributors
@var{key} defaults to GCC version number, and can be overridden by the
@option{--enable-win32-registry=@var{key}} option. Vendors and distributors
who use custom installers are encouraged to provide a different key,
perhaps one comprised of vendor name and GCC version number, to
avoid conflict with existing installations. This feature is enabled
@ -677,16 +687,16 @@ which has target include files.
compiler, if @file{@var{prefix}/@var{target}/sys-include} doesn't pre-exist.
These include files will be copied into the @file{gcc} install directory.
Fixincludes will be run on these files to make them compatible with
@command{gcc}.
GCC.
@item --with-libs=``@var{dir1} @var{dir2} @dots{} @var{dirN}''
Specifies a list of directories which contain the target runtime
libraries. These libraries will be copied into the @file{gcc} install
directory.
@item --with-newlib
Specifies that ``newlib'' is
Specifies that @samp{newlib} is
being used as the target C library. This causes @code{__eprintf} to be
omitted from libgcc.a on the assumption that it will be provided by
newlib.
omitted from @file{libgcc.a} on the assumption that it will be provided by
@samp{newlib}.
@end table
Note that each @option{--enable} option has a corresponding
@ -776,7 +786,7 @@ gperf.
@item
Build target tools for use by the compiler such as binutils (bfd,
binutils, gas, gprof, ld, and opcodes)@*
binutils, gas, gprof, ld, and opcodes)
if they have been individually linked
or moved into the top level GCC source tree before configuring.
@ -805,8 +815,8 @@ without debugging information with @samp{make CFLAGS='-O' LIBCFLAGS='-g
roughly 40% of disk space both for the bootstrap and the final installation.
(Libraries will still contain debugging information.)
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
@ -820,7 +830,7 @@ 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
@ -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