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Accepting request 942155 from devel:gcc

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OBS-URL: https://build.opensuse.org/request/show/942155
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/newlib?expand=0&rev=12
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Dominique Leuenberger 2021-12-23 16:53:42 +00:00 committed by Git OBS Bridge
commit dd7b547a8d
2 changed files with 48 additions and 11 deletions
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8
newlib.changes
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@ -1,3 +1,11 @@
-------------------------------------------------------------------
Sun Dec 19 17:14:21 UTC 2021 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
- Build also nano variants of the libraries. The flags/features
are the same as used e.g. by ARM for their toolchain, or
fedora; most notably syscalls are not supplied, as this targets
bare metal.
-------------------------------------------------------------------
Wed Jun 9 20:13:14 UTC 2021 - Dirk Müller <dmueller@suse.com>

51
newlib.spec
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@ -1,5 +1,5 @@
#
# spec file
# spec file for package newlib
#
# Copyright (c) 2021 SUSE LLC
#
@ -73,22 +73,33 @@ that make them easily usable on embedded products.
%build
%if "%{flavor}" != ""
mkdir build-dir
cd build-dir
# On %%ix86 hosts newlib is documented to be buildable as shared library via --with-newlib,
# but it fails to build for us and we don't need a host library at the moment.
../configure \
for variant in nano regular; do
mkdir build-${variant}-dir
pushd build-${variant}-dir
# On %%ix86 hosts newlib is documented to be buildable as shared library via --with-newlib,
# but it fails to build for us and we don't need a host library at the moment.
export CFLAGS_FOR_TARGET="-O2 -g -ffunction-sections -fdata-sections"
FEATURES="--disable-nls"
if [[ "${variant}" == "nano" ]]; then
export CFLAGS_FOR_TARGET="-Os -g"
FEATURES="${FEATURES} --enable-newlib-nano-malloc --enable-lite-exit --enable-newlib-nano-formatted-io --disable-newlib-supplied-syscalls"
fi
../configure \
--prefix=%{_prefix} --libdir=%{_libdir} --mandir=%{_mandir} --infodir=%{_infodir} \
--target=%{target} \
--with-build-sysroot=%{sysroot}
--with-build-sysroot=%{sysroot} \
$FEATURES \
%ifarch %{ix86}
%if 0
--with-newlib \
%endif
%endif
CFLAGS="%{optflags}"
CFLAGS="%{optflags}" \
%{nil}
%make_build
%make_build
popd
done
%endif
%install
@ -101,8 +112,26 @@ export NO_DEBUGINFO_STRIP_DEBUG=true
: >debugsourcefiles.list
: >debugsources.list
cd build-dir
%make_install
for variant in nano regular; do
pushd build-${variant}-dir
if [[ "${variant}" == "regular" ]]; then
%make_install
else
%make_install DESTDIR=/tmp/newlib-nano
multilibs=$(%{target}-gcc --print-multi-lib)
for multilib in ${multilibs}; do
multilib="${multilib%%;*}"
for l in libc libg librdimon libstdc++ libsupc++; do
test -f /tmp/newlib-nano/%{_prefix}/%{target}/lib/${multilib}/${l}.a || continue
install -m 0644 -D /tmp/newlib-nano/%{_prefix}/%{target}/lib/${multilib}/${l}.a \
%{buildroot}%{_prefix}/%{target}/lib/${multilib}/${l}_nano.a
done
done
install -m 0644 -D -t %{buildroot}%{_prefix}/%{target}/include/newlib-nano/ /tmp/newlib-nano/%{_prefix}/%{target}/include/newlib.h
fi
popd
done
%fdupes %{buildroot}
%endif