Specify that the user visible @command{cpp} program should be installed
in @file{@var{prefix}/@var{dirname}/cpp}, in addition to @var{bindir}.
+@item --enable-comdat
+Enable COMDAT group support. This is primarily used to override the
+automatically detected value.
+
@item --enable-initfini-array
Force the use of sections @code{.init_array} and @code{.fini_array}
(instead of @code{.init} and @code{.fini}) for constructors and
default for a native toolchain with an assembler that accepts it and
GLIBC 2.11 or above, otherwise disabled.
+@item --enable-lto
+Enable support for link-time optimization (LTO). This is enabled by
+default if a working libelf implementation is found (see
+@option{--with-libelf}).
+
+@item --with-libelf=@var{pathname}
+@itemx --with-libelf-include=@var{pathname}
+@itemx --with-libelf-lib=@var{pathname}
+If you do not have libelf installed in a standard location and you
+want to enable support for link-time optimization (LTO), you can
+explicitly specify the directory where libelf is installed
+(@samp{--with-libelf=@var{libelfinstalldir}}). The
+@option{--with-libelf=@var{libelfinstalldir}} option is shorthand for
+@option{--with-libelf-include=@var{libelfinstalldir}/include}
+@option{--with-libelf-lib=@var{libelfinstalldir}/lib}.
+
+@item --enable-gold
+Enable support for using @command{gold} as the linker. If gold support is
+enabled together with @option{--enable-lto}, an additional directory
+@file{lto-plugin} will be built. The code in this directory is a
+plugin for gold that allows the link-time optimizer to extract object
+files with LTO information out of library archives. See
+@option{-flto} and @option{-fwhopr} for details.
@end table
@subheading Cross-Compiler-Specific Options
add @code{-lunicows} to @file{libgcj.spec}. The built executables will
only run on Microsoft Windows NT and above.
@end table
-
-@item --enable-lto
-Enable support for link-time optimization (LTO). This is enabled by
-default if a working libelf implementation is found (see
-@option{--with-libelf}).
-
-@item --with-libelf=@var{pathname}
-@itemx --with-libelf-include=@var{pathname}
-@itemx --with-libelf-lib=@var{pathname}
-If you do not have libelf installed in a standard location and you
-want to enable support for link-time optimization (LTO), you can
-explicitly specify the directory where libelf is installed
-(@samp{--with-libelf=@var{libelfinstalldir}}). The
-@option{--with-libelf=@var{libelfinstalldir}} option is shorthand for
-@option{--with-libelf-include=@var{libelfinstalldir}/include}
-@option{--with-libelf-lib=@var{libelfinstalldir}/lib}.
-
-@item --enable-gold
-Enable support for using @command{gold} as the linker. If gold support is
-enabled together with @option{--enable-lto}, an additional directory
-@file{lto-plugin} will be built. The code in this directory is a
-plugin for gold that allows the link-time optimizer to extract object
-files with LTO information out of library archives. See
-@option{-flto} and @option{-fwhopr} for details.
@end table
@subsubheading AWT-Specific Options
@item
@uref{#alpha-x-x,,alpha*-*-*}
@item
-@uref{#alpha-dec-osf,,alpha*-dec-osf*}
+@uref{#alpha-dec-osf51,,alpha*-dec-osf5.1}
@item
@uref{#arc-x-elf,,arc-*-elf}
@item
@item
@uref{#sparc-sun-solaris2,,sparc-sun-solaris2*}
@item
-@uref{#sparc-sun-solaris27,,sparc-sun-solaris2.7}
-@item
@uref{#sparc-sun-solaris210,,sparc-sun-solaris2.10}
@item
@uref{#sparc-x-linux,,sparc-*-linux*}
@html
<hr />
@end html
-@heading @anchor{alpha-dec-osf}alpha*-dec-osf*
+@heading @anchor{alpha-dec-osf51}alpha*-dec-osf5.1
Systems using processors that implement the DEC Alpha architecture and
are running the DEC/Compaq/HP Unix (DEC OSF/1, Digital UNIX, or Compaq/HP
Tru64 UNIX) operating system, for example the DEC Alpha AXP systems.
As of GCC 3.2, versions before @code{alpha*-dec-osf4} are no longer
supported. (These are the versions which identify themselves as DEC
-OSF/1.) As of GCC 4.5, support for Tru64 UNIX V4.0 and V5.0 has been
-obsoleted, but can still be enabled by configuring with
-@option{--enable-obsolete}. Support will be removed in GCC 4.6.
+OSF/1.) As of GCC 4.6, support for Tru64 UNIX V4.0 and V5.0 has been
+removed.
On Tru64 UNIX, virtual memory exhausted bootstrap failures
may be fixed by reconfiguring Kernel Virtual Memory and Swap parameters
It is recommended that you configure GCC to use the GNU assembler, in
@file{/usr/sfw/bin/gas}. The versions included in Solaris 10, from GNU
binutils 2.15, and Solaris 11, from GNU binutils 2.19, work fine,
-although the latest (as of 2010-04-01) version, from GNU binutils
+although the current version, from GNU binutils
2.20.1, is known to work, too. Recent versions of the Sun assembler in
@file{/usr/ccs/bin/as} work almost as well, though.
@c FIXME: as patch requirements?
@code{memcmp}. Either add @code{-U__INLINE_INTRINSICS} to the @env{CC}
environment variable as a workaround or upgrade to MIPSpro C 7.4.1m.
-GCC on IRIX 6 is usually built to support the N32, O32 and N64 ABIs. If
+GCC on IRIX 6.5 is usually built to support the N32 and N64 ABIs. If
you build GCC on a system that doesn't have the N64 libraries installed
or cannot run 64-bit binaries,
you need to configure with @option{--disable-multilib} so GCC doesn't
-try to use them. This will disable building the O32 libraries, too.
+try to use them.
Look for @file{/usr/lib64/libc.so.1} to see if you
have the 64-bit libraries installed.
have @file{/usr/xpg4/bin} in your @env{PATH}, we recommend that you place
@file{/usr/bin} before @file{/usr/xpg4/bin} for the duration of the build.
-We recommend the use of the vendor tools (Sun @command{as}, Sun
-@command{ld}), or eventually GNU @command{as}. The GNU @command{as}
+We recommend the use of the Sun assembler or the GNU assembler, in
+conjunction with the Sun linker. The GNU @command{as}
versions included in Solaris 10, from GNU binutils 2.15, and Solaris 11,
from GNU binutils 2.19, are known to work. They can be found in
-@file{/usr/sfw/bin/gas}. Current versions of GNU binutils (2.20.1 as of
-2010-04-01) are known work either. Note that your mileage may vary
+@file{/usr/sfw/bin/gas}. Current versions of GNU binutils (2.20.1)
+are known to work as well. Note that your mileage may vary
if you use a combination of the GNU tools and the Sun tools: while the
combination GNU @command{as} + Sun @command{ld} should reasonably work,
the reverse combination Sun @command{as} + GNU @command{ld} is known to
cause memory corruption at runtime in some cases for C++ programs.
@c FIXME: still?
-GNU @command{ld} usually works either, though the version included in
+GNU @command{ld} usually works as well, although the version included in
Solaris 10 cannot be used due to several bugs. Again, the current
version (2.20.1) is known to work, but generally lacks platform specific
features, so better stay with Sun @command{ld}.
@option{-fpermissive}; it will assume that any missing type is @code{int}
(as defined by C90).
-There are patches for Solaris 7 (108376-21 or newer for SPARC,
-108377-20 for Intel), and Solaris 8 (108652-24 or newer for SPARC,
+There are patches for Solaris 8 (108652-24 or newer for SPARC,
108653-22 for Intel) that fix this bug.
Sun bug 4927647 sometimes causes random spurious testsuite failures
must be specified as the @command{build} parameter on the configure
line. This triplet can be obtained by invoking @command{./config.guess} in
the toplevel source directory of GCC (and not that of GMP or MPFR).
-For example on a Solaris 7 system:
+For example on a Solaris 9 system:
@smallexample
- % ./configure --build=sparc-sun-solaris2.7 --prefix=xxx
+ % ./configure --build=sparc-sun-solaris2.9 --prefix=xxx
@end smallexample
@html
When configuring the GNU Multiple Precision Library (GMP) or the
MPFR library, the canonical target triplet must be specified as
the @command{build} parameter on the configure line. For example
-on a Solaris 7 system:
+on a Solaris 9 system:
@smallexample
- % ./configure --build=sparc64-sun-solaris2.7 --prefix=xxx
+ % ./configure --build=sparc64-sun-solaris2.9 --prefix=xxx
@end smallexample
The following compiler flags must be specified in the configure
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