Issue #1535
GCC 10 changed the default to -fno-common, which leads to a linking error in GLibc older than 2.30.
This change adds -fcommon cflag for the target GLibc versions <=2.29 and GCC >=10.
This change also adds additional cflags for the target GLibc to disable
new GCC11 checks that lead to compilation errors.
Signed-off-by: Nik Konyuchenko <spaun2002mobile@gmail.com>
By setting glibc build system default_cflags to be empty before
building, we will enforce the build system to only use the crosstool-ng
CFLAGS when building glibc.
Properly solves the issue identified in #1396.
Signed-off-by: Hans-Christian Noren Egtvedt <hegtvedt@cisco.com>
The glibc will append the content of the CFLAGS variable,
overriding previous flags.
If unset, the CFLAGS variable is not empty, so explicitly set it.
Instead prepend the default CFLAGS flags.
Signed-off-by: Norbert Lange <nolange79@gmail.com>
Otherwise, glibc 2.29 tries to use it - but we haven't built libstdc++ yet.
We really need to implement #808... Until now, pass empty CXX to make.
Signed-off-by: Alexey Neyman <stilor@att.net>
... in uClibc and glibc.
Fixes#681.
While here, relocate additional "sources" for uClibc/binutils into packages/
directory.
Signed-off-by: Alexey Neyman <stilor@att.net>
This required some rework of the libc selection, as moxiebox is a layer on
top of another libc - newlib.
Also, moxiebox'es host VM (`sandbox`) needs a libcrypto on the host. We will
not have it if we're cross-compiling a canadian cross. Fortunately, all moxiebox
needs from libcrypto is SHA256, and it already includes a standalone implementation
of SHA256 in its runtime. Provide a little wrapper that allows moxiebox use
that implementation for the host binary, too.
Also, automate collecting/printing the list of all packages in a given category
(e.g. LIBC or COMP_TOOLS), generate a list of all Kconfig symbols for a given
category.
Signed-off-by: Alexey Neyman <stilor@att.net>
- Incompatible function type for ifunc alias
- Multiple statements macro expansion in strftime
- if_nametoindex size checking
Signed-off-by: Alexey Neyman <stilor@att.net>
- Glibc configure args and tuple need adjustment on SuperH
- Only allow "both endian" and "with CPU" for unspecified arch
variant. May reconsider endianness (was breaking things before
adjusting glibc tuple)
- Retire non-multilib sample, it should be a subset of the
multilib one now.
Signed-off-by: Alexey Neyman <stilor@att.net>
Some users (like myself) may want to omit the crosstool-NG version
from the binaries' versioning output, as it can be incredibly long
and not too helpful. Add a config option to disable it. The possible
combinations are as follows:
- crosstool-NG version (default)
- crosstool-NG version - custom toolchain ID
- Custom toolchain ID
- No crosstool-NG version OR custom toolchain ID
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
While here, also consider patched by anything other than "bundled patches"
as per-target sources. Add scary warnings in case of a failure.
Signed-off-by: Alexey Neyman <stilor@att.net>
- libpthread requires iteration over multilibs, unlike the core, it
does not detect and build multilibs by itself.
- Disable parallel builds for mingw-w64 components; until mingw-w64 core
builds clean, I am not trusting it.
- Make the list of tools to build configurable
- Turn on multilib in x86_64 sample.
- Make warnings about tuple less redundant. As in, "one WARN is enough,
no need to shout it three times".
- Messages about various steps/substeps are more aligned with the rest
of the components.
- Use 'make' instead of ${make} to invoke the companion make just built,
if applicable.
Signed-off-by: Alexey Neyman <stilor@att.net>
... and in addition to final toolchain aliasing, use it when configuring
multilibs for glibc/musl. Note that uClibc does not need it, it is
explicitly selecting the tools using CROSS_PREFIX.
Signed-off-by: Alexey Neyman <stilor@att.net>
--enable-hacker-mode is not sufficient, in 2.25 configure then
fails while checking for sysdeps fragments that apply to a given
configuration, and with that worked around, fails on binutils &
compiler version check.
In brief: if someone wants locales on cygwin/macos, you'd have to
implement cross-localedef (similar to cross-rpcgen) in glibc and
submit it upstream.
Signed-off-by: Alexey Neyman <stilor@att.net>
If glibc's configure finds the host c++ executable it assumes that
c++ should be enabled for the build. In case we don't have cross g++
built yet (ie, for headers), this causes the build to fail creating
C++ headers. So hide C++ from the build.
Signed-off-by: Dan McGregor <dan.mcgregor@usask.ca>
... and then use the right option. See the note in scripts/functions
on where we should use ${foo} and where just 'foo'; this boils down to
whether we can expect the build tools override to be in effect (e.g. in
the actual build scripts) or not (i.e. outside of scripts/build).
While running in scripts/functions, or in scripts/crosstool-NG.sh the
build tools override directory (.build/tools/bin) may have not been
set up (yet, or at all).
Also, modify the installed scripts (populate, xldd) accordingly.
Signed-off-by: Alexey Neyman <stilor@att.net>
... by passing BUILD_LDFLAGS twice (the 2nd argument overrides the first).
Also, no need to pass -I/-L for BUILD_CFLAGS/LDFLAGS, they are already included
by crosstool-NG.sh (but keep for BUILD_CPPFLAGS, as we set it up here).
Remove -Wl,-Bstatic/-Wl,-Bdynamic (we only build static complibs).
Signed-off-by: Alexey Neyman <stilor@att.net>
The referenced commit replaced 'make' with '${make}' everywhere. This is
wrong for at least the utilities that we may build as companion tools
(make, libtool): this will always invoke the version detected by configure
by supplying the absolute path. In other words, the wrappers in
.build/tools/bin are not fallbacks - they are either temporary (in case
a respective companion tool is built) or permanent redirectors.
This is the reason why the PATH= has .build/*/buildtools/bin at higher
precedence than .build/tools/bin; the latter has the versions detected by
configure and the former has the versions built as companion tools.
Revert the rest of the gang (grep/sed/...) for consistency. After all,
we may decide to supply some of them as well (awk, for instance).
Signed-off-by: Alexey Neyman <stilor@att.net>
Up until cset 4e2227e8a5 there was an 'if'
statement with a comment. The abovementioned changeset removed the
conditional statement but the comment survived.
Signed-off-by: Kirill K. Smirnov <kirill.k.smirnov@gmail.com>
'ld' does not search for dependency libraries in multi_os_directory, so
if there's both multi_os_directory and multi_root, and there is only one
configuration in each multi_root, forgo the multi_os_directory suffix.
Needed for sh4-multilib-linux-uclibc.
Signed-off-by: Alexey Neyman <stilor@att.net>
Rather than echo-ing the new value, set the value into the variable with
the name passed as an argument (similar to CT_SanitizeVarDir). This
allows to use CT_DoLog in these functions.
Signed-off-by: Alexey Neyman <stilor@att.net>
This step was only used in uClibc. However, with upcoming multilib, the
config management will have to be done for each variant differently,
anyway.
uClibc was the only user of libc_check_config step, as well as
CT_CONFIG_DIR directory. Retire these.
Two other clean-ups in uClibc.sh:
- KERNEL_HEADERS check seems to be bogus, this config option is not
present even in 0.9.30 - which is not supported already.
- SHARED_LIB_LOADER_PREFIX was renamed to MULTILIB_DIR in 0.9.31,
according to ChangeLog - and MULTILIB_DIR is passed from command line
instead.
Signed-off-by: Alexey Neyman <stilor@att.net>
- Dump CT_LIBC_EXTRA_CC_ARGS: instead, treat CT_LIBC_EXTRA_CFLAGS as
arguments to CC (or they are not applied to .S, for example).
Combine them with multi_flags and CT_TARGET_CFLAGS in proper order.
- Analyze thus combined flags to determine --with-fp/--without-fp.
Don't need to check CT_ARCH_FLOAT - it is reflected in
CT_TARGET_CFLAGS anyway. Check more soft/hard float options defined
on different architectures.
- Drop checking for endianness flags: they are not reflected in
configure arguments in any way, and they're already present in CFLAGS
(either via multi_flags or via CT_TARGET_CFLAGS). Besides,
CT_ARCH_ENDIAN_OPT was actually called CT_ARCH_ENDIAN_CFLAG, so this
was a no-op anyway.
Signed-off-by: Alexey Neyman <stilor@att.net>
Install startfiles for libc variants into the most specific combination
(suffixed sysroot, if applicable + suffixed multi-os dir, if
applicable). Install headers once in every suffixed sysroot (although it
seems that GCC picks up headers from top-level sysroot, GCC manual
claims that sysroot suffix affects headers search path).
In uClibc, this requires a better sanitization of the directory: it
creates symlinks from {sysroot}/usr/lib/{multi_os_dir} to
{sysroot}/lib/{multi_os_dir} and to do so, it counts the number of path
components in the libdir. This breaks if one of such components is `..'
- symlinks contain an extra `../..' then. Since such sanitization had to
be implemented anyway, use it in other places to print more sensible
directory names.
Also, fix the description of configure --host/--target per musl's
configure help message (and its actual code).
Signed-off-by: Alexey Neyman <stilor@att.net>
On some arches (e.g. MIPS) the options like -mabi do not work if
specified more than once (see the comment in 100-gcc.sh). Therefore,
we need to determine which of the options produced by <arch>.sh can
be passed to multilib builds and which must be removed (i.e., which
options vary among the multilibs).
This presents a chicken-and-egg problem. GCC developers, in their
infinite wisdom, do not allow arbitrary multilib specification to be
supplied to GCC's configure. Instead, the target (and sometimes some
extra options) determine the set of multilibs - which may include
different CPUs, different ABIs, different endianness, different FPUs,
different floating-point ABIs, ... That is, we don't know which parts
vary until we build GCC and ask it.
So, the solution implemented here is:
- For multilib builds, start with empty CT_ARCH_TARGET_CFLAGS/LDFLAGS.
- For multilib builds, require core pass 1. Pass 1 does not build any
target binaries, so at that point, our target options have not been
used yet.
- Provide an API to modify the environment variables for the steps that
follow the current one.
- As a part of multilib-related housekeeping, determine the variable
part of multilibs and filter out these options; pass the rest into
CT_TARGET_CFLAGS/LDFLAGS.
This still does not handle extra dependencies between GCC options (like
-ma implying -mcpu=X -mtune=Y, etc.) but I feel that would complicate
matters too much. Let's leave this until there's a compelling case for
it.
Also, query GCC's sysroot suffix for targets that use it (SuperH,
for example) - the default multilib may not work if the command line
specifies the default option explicitly (%sysroot_suffix_spec is not
aware of multilib defaults).
Signed-off-by: Alexey Neyman <stilor@att.net>
Rather then building the manuals and locales for each multilib target, only
build the manuals on the last multilib target.
If you are not building a multilib toolchain, then the first libc build will
be the last.
Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
GCC makes the distinction between:
multilib (-print-multi-lib) and
multilib-os (--print-multi-os-directory)
as the GCC library and GCC sysroot library paths, respecitively.
Use this to build libc into the correct locations, the same
applies to the dummy libc.so
Changed by Alexey Neyman: restore missing CT_EndStep.
Signed-off-by: Ray Donnelly <mingw.android@gmail.com>
Signed-off-by: Alexey Neyman <stilor@att.net>
