%global pkgvers 0
%global scdate0 20230426
%global sctags0 releases/gcc-13.1.0
%global scfilt0 releases/gcc.*^{}
%global source0 https://github.com/gcc-mirror/gcc.git

%define target  avr

Name:           %{target}-gcc
Version:        %(curl -s "https://gcc.gnu.org/git/?p=gcc.git;a=blob_plain;f=gcc/BASE-VER;hb=refs/tags/%{sctags0}")
Release:        %{scdate0}.%{pkgvers}%{?dist}
Summary:        Cross Compiling GNU GCC targeted at %{target}
Epoch:          1
License:        GPLv2+

URL:            http://gcc.gnu.org

BuildRequires:  git gcc-c++ flex bison texinfo
BuildRequires:  zlib-devel libzstd-devel libunwind-devel
BuildRequires:  gmp-devel mpfr-devel libmpc-devel avr-binutils
Requires:       avr-binutils
%if ! (0%{?rhel} == 9)
BuildRequires:  autogen
%endif

%global __brp_strip_lto %{nil}
%global __os_install_post /usr/lib/rpm/brp-compress
%global __provides_exclude_from ^%{_prefix}/lib/gcc/%{target}/.*$
%global __requires_exclude_from ^%{_prefix}/lib/gcc/%{target}/.*$

%define maj_ver %(echo "%{version}" | cut -d'.' -f1)

%description
This is a Cross Compiling version of GNU GCC, which can be used to
compile for the %{target} platform, instead of for the native %{_arch} platform.


%package        c++
Summary:        Cross Compiling GNU GCC targeted at %{target}
Requires:       %{name} = %{epoch}:%{version}-%{release}

%description    c++
This package contains the Cross Compiling version of g++, which can be used to
compile c++ code for the %{target} platform, instead of for the native %{_arch}
platform.


%prep
%setup -T -c -n %{name}
git clone --depth 1 -n -b %{sctags0} %{source0} .
git fetch --depth 1 origin %{sctags0}
git reset --hard %{sctags0}
git --no-pager log --format=fuller
%autosetup -D -p 0 -T -c -n %{name}


%build
contrib/gcc_update --touch
mkdir -p build-%{target}
pushd build-%{target}
%global optflags $(echo %{optflags} | sed 's|-Werror=format-security||g')
../configure \
  --prefix=%{_prefix} \
  --mandir=%{_mandir} \
  --infodir=%{_infodir} \
  --with-gcc-major-version-only \
  --target=%{target} \
  --with-zstd \
  --with-system-zlib \
  --with-system-libunwind \
  --enable-lto \
  --enable-languages=c,c++,lto \
  --enable-version-specific-runtime-libs \
  --disable-nls \
  --disable-libssp
%make_build
popd


%install
pushd build-%{target}
make install DESTDIR=%{buildroot}
popd

# we don't want these as we are a cross version
rm -r %{buildroot}%{_infodir}
rm -r %{buildroot}%{_mandir}/man7
rm    %{buildroot}%{_libdir}/libiberty.a ||:
rm    %{buildroot}%{_libdir}/libcc1* ||:
rm -r %{buildroot}%{_bindir}/lto-dump ||:
# and these aren't usefull for embedded targets
rm -r %{buildroot}/usr/lib/gcc/%{target}/%{maj_ver}/install-tools ||:
rm -r %{buildroot}%{_libexecdir}/gcc/%{target}/%{maj_ver}/install-tools ||:


%files
%license COPYING*
%doc README
%{_bindir}/%{target}-*
%dir /usr/lib/gcc
%dir /usr/lib/gcc/%{target}
/usr/lib/gcc/%{target}/%{maj_ver}
%dir %{_libexecdir}/gcc
%dir %{_libexecdir}/gcc/%{target}
%{_libexecdir}/gcc/%{target}/%{maj_ver}
%{_mandir}/man1/%{target}-*.1.gz
%exclude %{_bindir}/%{target}-?++
%exclude %{_libexecdir}/gcc/%{target}/%{maj_ver}/cc1plus
%exclude %{_mandir}/man1/%{target}-g++.1.gz

%files c++
%{_bindir}/%{target}-?++
%{_libexecdir}/gcc/%{target}/%{maj_ver}/cc1plus
%{_mandir}/man1/%{target}-g++.1.gz


%changelog
* Sat Jun 18 2022 Cristian Balint <cristian.balint@gmail.com>
- git update releases