%global lockver 1
%global pkgvers 0
%global scdate0 20210514
%global schash0 eafe83f2f20ef0c1e7703c361ba314b44574523c
%global branch0 releases/gcc-8
%global source0 https://github.com/gcc-mirror/gcc.git

%global sshort0 %{expand:%%{lua:print(('%{schash0}'):sub(1,8))}}

%define target  avr

Name:           %{target}-gcc-8
Version:        %(curl "https://gcc.gnu.org/git/?p=gcc.git;a=blob_plain;f=gcc/BASE-VER;hb=%{schash0}")
Release:        %{scdate0}.%{pkgvers}.git%{sshort0}%{?dist}
Summary:        Cross Compiling GNU GCC targeted at %{target}
Epoch:          1
License:        GPLv2+

URL:            http://gcc.gnu.org

Patch0:         avr-gcc8-4.5.3-mint8.patch

#git diff -R 62441f104eafe755f44e6e53edca9920ad91e6a0 c15ac92cfd92c9db3e609cd96aba74f7806bf4e3 gcc/lto-streamer-out.c
Patch100:       gcc8-PR87229-lto-streamer-out.c.diff
#git diff -R 4963af8c664eb9e59c151f5a8d04794669ee0e33 d3d6b2c5e440c27ab901a777e258bf7fac2b3d7c gcc/ipa-inline.c
Patch200:       gcc8-PR86020-ipa-inline.c.patch
#git diff -R fbbfed2085940bbd2822d7ae55d96e8351127c35 f5eb41ce2d72f465fe53a33461c635f66be04a0f gcc/passes.c
Patch300:       gcc8-SSA-gcc-cleanup.patch

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

%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}
Provides:       avr-gcc-c++

%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}
find %{_builddir} -name SPECPARTS -exec rm -rf {} +
git clone --depth 1 -n -b %{branch0} %{source0} .
git fetch --depth 1 origin %{schash0}
git reset --hard %{schash0}
git --no-pager log --format=fuller
%autosetup -D -p 1 -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