Commit Graph

252 Commits

Author SHA1 Message Date
Thomas Petazzoni
c5c1064e49 external-toolchain: details on selecting the multilib variants
Each multilib variant need to be selected using a special combination
of flags, requiring specific choices of the Buildroot options. This
commit documents those configuration choices to make it easier to use
the various multilib variants.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:38 +01:00
Thomas Petazzoni
91d4336cbc external-toolchain: Blackfin.uclinux.org 2011R1-RC4
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:38 +01:00
Thomas Petazzoni
d00bd2a1f7 external-toolchain: add Sourcery CodeBench x86/x86_64 2011.09
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:38 +01:00
Thomas Petazzoni
22e0698eb8 external-toolchain: add Sourcery CodeBench PowerPC 2011.03
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:37 +01:00
Thomas Petazzoni
851508dedd external-toolchain: bump MIPS 2011.03 from -93 to -110
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:37 +01:00
Thomas Petazzoni
102c6b5fa1 external-toolchain: add Sourcery CodeBench ARM 2011.09
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:37 +01:00
Thomas Petazzoni
17b8cc930c external-toolchain: remove 2009q1 ARM Sourcery toolchain
We are going to add one more ARM Sourcery toolchain version, so it's
time to remove the oldest version.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:37 +01:00
Thomas Petazzoni
b95e436ee0 Expand external toolchain wrapper to custom flags
The BR2_TARGET_OPTIMIZATION flags were not used by the external
toolchain wrapper, which broke the multilib selection logic of
multilib external toolchains. It also simplifies the compilation of
external programs since all flags are properly passed automatically by
the toolchain wrapper.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:37 +01:00
Thomas Petazzoni
0729b544b3 Improve external toolchain logic to support IA32 Sourcery CodeBench toolchain
The IA32 Sourcery CodeBench toolchain has a relatively special
structure, with the following multilib variants:

 * Intel Pentium 4, 32 bits, the multilib variant is in ./ relative to
   the main sysroot, with the libraries in the lib/ directory.

 * Intel Xeon Nocona, 64 bits, the multilib variant is in ./ relative
   to the main sysroot, with the libraries in the lib64/ directory.

 * Intel Atom 32 bits, the multilib variant is in atom/ relative to
   the main sysroot, with the libraries in the lib/ directory.

 * Intel Core 2 64 bits, the multilib variant is in core2/ relative to
   the main sysroot, with the libraries in lib64/ directory.

So the first two variants are in the same sysroot, only the name of
the directory for the libraries is different.

Therefore, we introduce a new ARCH_LIB_DIR variable, which contains
either 'lib' or 'lib64'. This variable is defined according to the
location of the libc.a file for the selected multilib variant, and is
then used when copying the libraries to the target and to the staging
directory.

In addition to this, we no longer use the -print-multi-directory to
get the ARCH_SUBDIR, since in the case of the 64 bits variants of this
toolchain, it returns just '64' and not a real path. Instead, we
simply compute the difference between the arch-specific sysroot and
the main sysroot.

We also take that opportunity to expand the documentation on the
meaning of the different variables.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-03-01 20:26:36 +01:00
Peter Korsgaard
5931db0de9 gdb: fix kconfig dependency handling with !BR_TOOLCHAIN_BUILDROOT
Newer versions of GDB need pthread debugging support if threads are
enabled, which is always the case for glibc but is a configure option
for uClibc.

We have solved this for internal toolchains by selecting the
BR2_PTHREAD_DEBUG option from the GDB selection if needed, but as this
option isn't available when ctng/external toolchains are used, mconf
prints ugly warnings and the build may fail if an external uClibc
toolchain without pthread debugging support is used.

Fix it by introducing 2 more hidden config options:
 - BR2_TOOLCHAIN_HAS_THREADS_DEBUG
 - BR2_TOOLCHAIN_HAS_THREADS_DEBUG_IF_NEEDED

The first tells us if the toolchain HAS pthreads debugging support,
and is checked by check_uclibc_feature in helper.mk for external uClibc
based toolchains.

The second tells us if the toolchain is ABLE TO provide pthreads debugging
support if threads are enabled, either because it's an internal toolchain
where we can force enable it or an external glibc/eglibc toolchain or
uClibc with the option enabled.

Crosstool-ng forcibly enables this support, so those will always work.
The preconfigured uClibc-based toolchains we have also all enable it.

Finally, show a comment if this isn't the case so the (external toolchain)
user knows why. This is placed outside the choice option, as menuconfig
has a bug where it doesn't show choice selections which only contain
comments.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-11-24 14:26:52 +01:00
Peter Korsgaard
69f34bafa8 toolchain-external: fix x86 codesourcery config symbol typo
As noticed on irc.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-11-08 17:06:13 +01:00
Stany MARCEL
3fb6010dca toolchain: Add the possibility to have a mcpu option with wrapper
Permit to define the mcpu of the external toolchain wrapper, based on
BR2_GCC_TARGET_CPU.

Signed-off-by: Stany MARCEL <stanypub@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-11-02 11:48:05 +01:00
Stany MARCEL
d64c4ed3f7 toolchain: Correct test for external tools symlink creation
When the external tools chain is installed in a path that match one of
the first case test, all symlink are created to the external
wrapper. The proposed solution is to test only the base name not the
full path.

Signed-off-by: Stany MARCEL <stanypub@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-11-02 11:46:07 +01:00
Thomas Petazzoni
2e57043b4d external-toolchain: Slightly optimize toolchain extraction
Some CodeSourcery toolchains contain a huge number of locales that are
not useful, even though they account for 70-80% of the total toolchain
size. By skipping the extraction of those useless locales, we make the
toolchain extraction process slightly faster, and also make the output
directory size a lot smaller (host/opt/ is 213 MB instead of 1.5 GB
with a 2010.09 ARM CodeSourcery toolchain).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-10 09:46:36 +02:00
Thomas Petazzoni
3a7149347c ext-toolchain: Take into account Mentor Graphics acquisition of CodeSoucery
Now that CodeSourcery has been bought by Mentor Graphics, the
toolchains are named "Sourcery CodeBench". We rename the config short
description and adjust the help text, but we keep the option name in
order not to break existing configurations.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-09 21:36:22 +02:00
Thomas Petazzoni
1459fc24c5 ext-toolchain: Add CodeSoucery x86 GNU/Linux 2010.09
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-09 21:35:13 +02:00
Thomas Petazzoni
42c0fb4dc3 ext-toolchain: Add CodeSourcery SH GNU/Linux 2011.03
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-09 21:33:57 +02:00
Thomas Petazzoni
062288f173 ext-toolchain: Bump version of CodeSourcery MIPS 2011.03
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-09 21:32:53 +02:00
Thomas Petazzoni
ae2364676f ext-toolchain: Add CodeSourcery SH uClinux 2011.03
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-09 21:32:20 +02:00
Thomas De Schampheleire
c72f54bba4 toolchain-external: allow specifying extra external libraries
Custom toolchains may provide extra libraries that need to be copied to the
target. This patch adds a configuration option for this.

Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-10-09 21:30:44 +02:00
Subramaniam C.A
d1a9698bec ext-toolchain: fix download url
The website for downloading the toolchain has changed from
http://www.codesourcery.com to http://sourcery.mentor.com

Signed-off-by: Subramaniam C.A <subramaniam.ca@ti.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-12 23:58:22 +02:00
Maxime Ripard
68c344a372 Fix the CodeSourcery ARM 2009q3 toolchain use
The prefix is not set when selecting this toolchain, resulting in a
build failure.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-08-29 22:38:17 +02:00
Thomas De Schampheleire
54624512d8 toolchain-external: fix some typos CodeSoucery -> CodeSourcery
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-08-04 21:56:33 +02:00
Thomas Petazzoni
d63a817f55 external toolchains: fix SuperH toolchain configuration
The CodeSourcery toolchain for SH2-A platforms provide largefile
support, inet RPC, wide char and threads, so adjust the configuration
accordingly.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-08-04 21:00:50 +02:00
Peter Korsgaard
4ee9d569f9 uClibc: drop BR2_PROGRAM_INVOCATION option
Remove the BR option and enable the configuration setting in the
uClibc defconfigs.

The BR2_PROGRAM_INVOCATION option only adds very little overhead to
uClibc, and we have a number of packages needing it, so simply always
enable it - Simplifying the kconfig logic and the number of choices
users have to make.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-07-27 11:56:53 +02:00
Peter Korsgaard
04d0689cc4 toolchain-external: sync toolchain options with the internal toolchain
The internal toolchain defaults to thread support enabled (and
most external toolchains have thread support as well), so enable
BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS by default.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-07-26 15:28:19 +02:00
Phil Edworthy
d5247aa842 sh: Fix Buildroot sh targets to match gnuconfig targets
sh2eb and sh2a_nofpueb gnuconfig targets are no longer supported
in Buildroot. This patch replaces these Buildroot targets with sh2
and sh2a respectively, and adds sh4a targets as these are widely
used.

To build for devices without an fpu, the relevant toolchain flags
will have to be specified.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-07-18 23:26:12 +02:00
Peter Korsgaard
b51b664727 toolchain-external: download/show external toolchain with make source/external-deps
Based on patch by Hervé Fache <h-fache@ti.com>.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-07-13 08:50:46 +02:00
Phil Edworthy
951574555c sh: Add SH2A CodeSourcery external toolchain
Added the CodeSourcery uCLinux/uClibc toolchain for the SH2A big
endian devices.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-07-12 23:30:24 +02:00
Daniel Nyström
e8c46b118b ext-toolchain-wrapper.c: Handle an arbitrary amount of arguments
Even though MAXARGS 1000 seems large, it wasn't enough for at least
QtWebKit package. This new version does not have any predefined limits.

Closes #3907

Many thanks to Thomas for tracing the source of the build error.

[Peter: Return rather than abort()]
Signed-off-by: Daniel Nyström <daniel.nystrom@timeterminal.se>
Reported-by: Thomas Björk <thomas.bjork@home.se>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-06-22 00:20:41 +02:00
Thomas Petazzoni
b9882925a4 toolchain: introduce BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
Unfortunately, the official Blackfin toolchains are built without the
shadow password support, so our default Busybox configuration fails to
build.

Therefore, we introduce a new hidden knob
BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS, which is set to yes for Buildroot
internal toolchain, for toolchains generated by the Crosstool-NG
backend, for Glibc external toolchains and for Uclibc custom external
toolchains. It is left unset by the Blackfin toolchain profile.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-06-12 21:50:20 +02:00
Thomas Petazzoni
32a0dcea5c blackfin: support external toolchains provided by blackfin.uclibc.org
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-06-12 21:49:24 +02:00
Klaus Schwarzkopf
66e94f96f4 ext-toolchain: fix download url / add cs 2009q3
* fixed: external toolchain CODESOURCERY ARM2009Q1 downloaded version ARM2009Q3
* add CODESOURCERY ARM2009Q1 for ti dvsdk 3.10.

Signed-off-by: Klaus Schwarzkopf <schwarzkopf@sensortherm.de>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-05-23 20:54:37 +02:00
Thomas Petazzoni
e7e0d0771c external-toolchain: Add MIPS CodeSourcery 2011.03
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2011-05-13 11:51:43 +02:00
Thomas Petazzoni
e89b262679 external-toolchain: Add ARM CodeSourcery 2011.03
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2011-05-13 11:51:42 +02:00
Thomas Petazzoni
c59d024754 external-toolchain: fix support
The recent commit adding the external toolchain wrapper has broken the
support for external toolchain. The check_arm_eabi, check_cplusplus
and check_cross_compiler_exists functions were using TARGET_CC, which
points to the toolchain wrapper, but at the moment those functions are
called, the wrapper hasn't been generated yet.

We fix this by passing to these functions the path to the C or C++
compiler they should use for their tests.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-05-08 21:56:10 +02:00
Phil Edworthy
e46ba3c65b sh: Only use the CodeSourcery toolchain for SH4A devices
The CodeSourcery toolchain listed is only for SH4A devices.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-05-06 14:26:36 +02:00
Peter Korsgaard
125e2558b2 Get rid of unneeded CFLAGS
Now that we use a wrapper for external toolchains (and internal ones
default to the correct setting), we no longer need to explicitly pass
sysroot/march/mtune/mabi/floating point mode in TARGET_CFLAGS.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-05-05 23:39:03 +02:00
Peter Korsgaard
85dc57f6fd Add toolchain wrapper for external toolchains
Add a simple toolchain wrapper for external toolchains, which forces the
correct sysroot/march/mtune/floating point options needed to use it
with buildroot.

With this in place the external toolchain behaves similar to the internal
ones, and the special handling can be removed. This also means that the
toolchain is usable outside buildroot without having to pass any special
compiler flags.

Also adjust the downloadable external toolchain support to install under
HOST_DIR so it can be used after the temporary build files are removed.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-05-05 23:38:58 +02:00
Phil Edworthy
6721878972 sh: Fix CodeSourcery toolchain prefix
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-05-05 15:15:05 +02:00
Peter Korsgaard
8b370e6380 toolchain-external: remove extra space in RPC option string
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-04-29 13:25:37 +02:00
Phil Edworthy
ffa7b99723 sh: Fix displayed name of CodeSourcery toolchain
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-04-26 16:37:42 +02:00
Thomas Petazzoni
c853026226 toolchain: fix again stamp file touch
In e6633fd2e3 I did crap, and added a
quietization inside a shell command, which was already quietized. This
was stupid, and is fixed by this patch.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-23 11:47:39 +01:00
Thomas Petazzoni
e6633fd2e3 toolchain: add missing stamp file touch in external toolchain
In the support of custom external toolchains, we forgot to touch the
$(STAMP_DIR)/ext-toolchain-checked stamp file, which means that the
toolchain was re-checked and re-installed at everyt build.

At the same time, quietize a bit other stamp files touch.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-23 11:13:33 +01:00
Thomas Petazzoni
9eaad202f1 toolchain: rework thread options
The selection of linuxthreads, linuxthreads old or NPTL doesn't make a
lot of sense for external toolchains. So, instead, we :

 * Introduce an hidden BR2_TOOLCHAIN_HAS_THREADS option, which must be
   selected by toolchain specific options when thread support is
   available. Package needing to test thread support should use this
   option.

 * Move the none/linuxthreads/linuxthreads old/NPTL selection to
   Buildroot internal toolchain configuration.

 * Add an option in external toolchain to tell if thread support is
   available or not in the external toolchain. We assume that glibc
   without threads is not possible, as Ulrich Drepper said in
   http://sourceware.org/ml/libc-alpha/2005-08/msg00091.html

ffmpeg, dmalloc and openvpn are fixed to use the new
BR2_TOOLCHAIN_HAS_THREADS option. For openvpn, --enable-threads=posix
is no longer used, as the configure script doesn't even understand
this option.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-13 22:26:41 +01:00
Thomas Petazzoni
6b578c8d73 toolchain: rework C++ options
Instead of having BR2_GCC_CROSS_CXX and BR2_INSTALL_LIBSTDCPP, with
BR2_GCC_CROSS_CXX not being visible (and therefore being useless),
let's just keep BR2_INSTALL_LIBSTDCPP to enable C++ in the toolchain
and install C++ libraries on the target.

We also take that opportunity to make BR2_INSTALL_LIBSTDCPP an hidden
option, which is selected by an option in Buildroot toolchain support
or an option in External toolchain support, just as we did for other
toolchain features.

Some work definitely remains to be done :

 - The name BR2_INSTALL_LIBSTDCPP is ugly, but we keep it for the
   moment in order to avoid changing all packages.

 - We should clarify the other language-related options (Fortran,
   Java, Objective-C, etc.).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-13 22:04:35 +01:00
Thomas Petazzoni
01b434b27a toolchain: remove toolchain-specific stripping
We already handle the stripping of libraries in $(TARGET_DIR) at the
global level, so there's no need to have toolchain-specific option and
code for this.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-13 22:02:32 +01:00
Thomas Petazzoni
6c492d5e7b toolchain: add support for external toolchain profiles and download
Instead of letting the user define all the details of his external
toolchain, we define a set of profiles for well-known external
toolchains (CodeSourcery ones only at the moment, can easily be
extended with other toolchains).

Once a profile has been choosen, the user is offered the choice of
either letting Buildroot download and install the external toolchain,
or (as before) to tell Buildroot where the toolchain is installed on
the system.

We of course provide a "custom profile", through which the user can
configure Buildroot to use a custom external toolchain for which no
profile is available.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-13 21:56:49 +01:00
Thomas Petazzoni
fff711786a toolchain: Improve C library option selection
Turn BR2_LARGEFILE, BR2_INET_IPV6, BR2_INET_RPC, BR2_USE_WCHAR,
BR2_ENABLE_LOCALE and BR2_PROGRAM_INVOCATION into hidden options.

Then, for Buildroot toolchains, external toolchains and Crosstool-NG
toolchains, provide visible options that selects the hidden options.

This allows :

 * To show a different label and help text in the case of Buildroot
   toolchain (do you want to enable feature X ?) and in the case of
   external toolchain (is feature X available in your toolchain ?)

 * To not show any option when a glibc external toolchain is selected
   (since glibc is assumed to support all of largefile, IPv6, RPC,
   WCHAR, locale and program invocation) and have them all selected in
   that case.

There is some amount of duplication between Buildroot toolchain config
options and Crosstool-NG toolchain config options, because kconfig
doesn't allow to source the same Config.in file twice (even if under
mutually exclusive conditions). This duplication is more readable that
the hack that consists in splitting files in multiple pieces.

However, this commit changes the name of the options visible in the
configuration interface, so existing .config files will have to be
updated accordingly.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-13 21:54:28 +01:00
Thomas Petazzoni
17b66affdf ccache: rework ccache management
* ccache is now a normal package (both for the host and the target).

 * ccache option is now part of the "Build options" menu. It will
   automatically build ccache for the host before building anything,
   and will use it to cache builds for both host compilations and
   target compilations.

 * bump ccache to 3.1.3

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-08 17:51:49 +01:00
Mike Frysinger
50003798b3 toolchain-external: fix indentation in Kconfig
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-11-17 23:18:23 +01:00
Yann E. MORIN
f78ea9fcf0 toolchain: rename external toolchain dir
Rename the external toolchain directory.
When new backends are here, it will be easier to sort them out
if they are all prefixed the same way.

Signed-off-by: Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-07-28 16:20:03 +02:00