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This patch adds some checks on the external toolchains.
First, it checks that the C library selection is correct, by looking
if gcc is able to find the main C library file through the
-print-file-name option.
Then, it attempts to check if the Buildroot toolchain options match
the configuration of the toolchain :
* for glibc, it checks that IPv6, RPC, locales, wide-char, large file
support Buildroot options are enabled, since with glibc all these
features are always available (at least this is the assumption we
make) ;
* for uClibc, it checks the Buildroot options with the uClibc
configuration file in $SYSROOT_DIR/usr/include/bits/uClibc_config.h
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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The current Buildroot works just well with sysrootable glibc
toolchains, using the external toolchain feature. The only thing that
needs to be customized is the set of libraries that must be compiled
to the target.
The following patch takes a simple approach to making it easier for
users to use glibc toolchains. It just adds a uClibc/glibc choice in
the external toolchain menu. Then, depending on that selection, the
configuration system will choose a sane default value for the library
files list.
The other advantage of having a uClibc/glibc choice is that in the
future, we'll be able to add checks verifying that the external
toolchain configuration matches the features selected in Buildroot (in
terms of IPv6, RPC, locales or large file support).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37436 for details.
Reported-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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The build of gcc 3.4.6 fails when host libc is too new.
I pulled the fix from this bug report:
http://bugs.openembedded.net/show_bug.cgi?id=4626
Signed-off-by: Wade Berrier <wberrier@gmail.com>
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Conditionally apply the following patch by Bernhard Reutner-Fischer which
solves a link error on powerpc (with softfloat or multilib) when using
a shared libgcc_s.
See: http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00237.html
http://www.nabble.com/PPC-won't-build-with-soft-float-td22772110.html
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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Reported by Michael Roth <mroth@nessie.de>. Identical to the 0.9.30 patch.
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They shouldn't be used anymore, needs havily patching (6.3 has more than
200k patches) and no one tests them with current toolchains.
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Not runtime tested, but now it atleast builds.
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Fixes libstdc++ linking with gcc 4.4.x
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From uClibc r24336.
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Somehow the patch was a patch adding a patch instead of the patch itself.
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Using the support in uClibc.
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It's broken anyway as we don't install libssp* into TARGET_DIR, and we
should use the SSP support in uClibc if we want stack protection.
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It got added by Ulf back in 2007, but there's no references to it anywhere,
so remove it.
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Add BR2_ENABLE_LOCALE_PURGE / BR2_ENABLE_LOCALE_WHITELIST options to
remove unwanted locales from the target rootfs. Handy for stuff like
the gtk stack, which comes with ~25 MB locales.
Works similar to localepurge in Debian, E.G. you provide a white list
of wanted locales, and everything else is removed.
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From Bernhard's tree.
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Patch by Daniel Mack <daniel@caiaq.de>
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As discussed on the list. AVR32 is still stuck at 2.18, so don't mark it as
deprecated yet.
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From Bernhard.
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Fixes #111.
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Based on 0171c72 in Bernhards' tree.
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Get rid of BR2_KERNEL_HEADERS_PATCH_DIR config, and simply always apply
platform patches if available.
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