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Without a libc the gcc-runtime provider of compilerlibs does not
compile. As such avoid the default dependence on the
virtual/${TARGET_PREFIX}compilerlibs provider.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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With GCCPIE being enabled by default with security_flags.inc the
compiler will by default attempt to compile and link programs as PIE.
The targets that use newlib and baremetal in general do not support PIE
or are otherwise unable to use it due to how embedded targets are
compiled and executed. As such it makes sense to disable PIE by default
for these libc's in order to prevent build failures.
For baremetal tclibc there are no libc features or implementation as
such there is no implementation for the strong stack protector by
default.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Fix long standing quirk, _forcevariable is documented as being the
highest priority over-ride.
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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When trying to build meta-toolchain using TCLIBC = "baremetal"
bitbake throws an error due to a mising dependency:
ERROR: Nothing PROVIDES 'virtual/crypt'
glibc PROVIDES virtual/crypt but was skipped:
PREFERRED_PROVIDER_virtual/libc set to musl, not glibc
musl PROVIDES virtual/crypt but was skipped:
PREFERRED_PROVIDER_virtual/i586-poky-elf-libc-for-gcc set to baremetal,
not musl
libxcrypt PROVIDES virtual/crypt but was skipped: Recipe only applies in
nativesdk case for now
This is caused by the changes on commit:
29f65bda6d2c9fea4adb125c4857ee64f9312b9f
nativesdk-glibc: Split glibc and libcrypt to use libxcrypt instead
This is where the concept of virtual/crypt was introduced.
This patch adds virtual/crypt to ASSUME_PROVIDED on tclibc-baremetal,
providing the missing wiring to build meta-toolchain on baremetal
correctly.
Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandr@xilinx.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Support for TCLIBC="baremetal".
Allows building "baremetal" toolchains.
(From OE-Core rev: f1972eea0145ca54f0c087c0f29fd2e54d6b95e8)
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Nathan Rossi
Andre McCurdy
Alejandro Enedino Hernandez Samaniego
Juro Bystricky