%global pkgvers 0
%global scdate0 20230321
%global schash0 fe2545e9faaf4bf9586f61a7b83d5cb5af501194
%global branch0 master
%global source0 https://github.com/mirror/newlib-cygwin.git

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

%define sysarch unknown-elf
%define targets lm32;or1k;riscv64;sh

Name:           cross-%{sysarch}-newlib
Version:        %(curl -s https://raw.githubusercontent.com/mirror/newlib-cygwin/%{schash0}/newlib/configure | grep PACKAGE_VERSION= | cut -d"'" -f2)
Release:        %{scdate0}.%{pkgvers}.git%{sshort0}%{?dist}
Summary:        C library intended for use on embedded systems
License:        BSD and MIT and LGPLv2+ and ISC
BuildArch:      noarch

URL:            https://sourceware.org/newlib

BuildRequires:  git gcc-c++ autoconf automake m4
BuildRequires:  texinfo texinfo-tex flex bison byacc
BuildRequires:  zlib-devel isl-devel libmpc-devel mpfr-devel

%define cpulist %(echo "%{targets}" | sed "s|%{_arch}||g")

%{lua:
for target in string.gmatch(rpm.expand("%{cpulist}"), "[%w_-]+")
do
  print("BuildRequires:  "..target.."-"..rpm.expand("%{sysarch}").."-gcc\n")
  print("BuildRequires:  "..target.."-"..rpm.expand("%{sysarch}").."-binutils\n")
end}

%undefine _auto_set_build_flags
%global __os_install_post /usr/lib/rpm/brp-compress
%global _binaries_in_noarch_packages_terminate_build 0
%global __provides_exclude_from ^(%{_prefix}/.*-%{sysarch}/.*$)
%global __requires_exclude_from ^(%{_prefix}/.*-%{sysarch}/.*$)

%description
Newlib is a C library intended for use on embedded systems.

%{lua:
for target in string.gmatch(rpm.expand("%{cpulist}"), "[%w_-]+")
do
  print("%package -n "..target.."-"..rpm.expand("%{sysarch}").."-newlib\n")
  print("Summary: C library intended for use on "..target.." embedded systems\n")
  print("Provides:  "..target.."-newlib\n")
  print("Provides:  "..target.."-libc\n")
  print("%description -n "..target.."-"..rpm.expand("%{sysarch}").."-newlib\n")
  print("Newlib is a C library intended for use on "..target.." embedded systems.\n")
  print("\n")
end}


%prep
%setup -T -c -n %{name}
git clone --depth 1 -n -b %{branch0} %{source0} .
git fetch --depth 1 origin %{schash0}
git reset --hard %{schash0}
git log --format=fuller


%build
sed -i 's|"${am_missing_run}|"true |g' libgloss/configure
for target in $(echo "%{cpulist}" | sed 's|;| |g');
do
  export CFLAGS_FOR_TARGET="-Os"
  case $target in riscv*)
      export CFLAGS_FOR_TARGET="-Os -mcmodel=medlow"
  ;;
  esac
  echo "Building for [$target]"
  mkdir -p build-$target-%{sysarch}
  pushd build-$target-%{sysarch}
  ../configure \
      --prefix=%{_prefix} \
      --libdir=%{_libdir} \
      --mandir=%{_mandir} \
      --htmldir=%{_docdir}/html \
      --pdfdir=%{_docdir}/pdf \
      --target=$target-%{sysarch} \
      --with-system-zlib \
      --enable-lto \
      --enable-multilib \
      --enable-newlib-multithread \
      --enable-newlib-io-long-double \
      --enable-newlib-io-long-long \
      --enable-newlib-io-c99-formats
  make %{?_smp_mflags}
  popd
done


%install
for target in $(echo "%{cpulist}" | sed 's|;| |g');
do
  echo "Installing for [$target-%{sysarch}]"
  pushd build-$target-%{sysarch}
    make install DESTDIR=%{buildroot}
    # we are a cross version
    rm -rf %{buildroot}%{_infodir}
  popd
done


%{lua:
for target in string.gmatch(rpm.expand("%{cpulist}"), "[%w_-]+")
do
  print("%files -n "..target.."-"..rpm.expand("%{sysarch}").."-newlib\n")
  print("%doc README\n")
  print("%license COPYING*\n")
  print("%dir /%{_prefix}/"..target.."-"..rpm.expand("%{sysarch}").."\n")
  print("%dir /%{_prefix}/"..target.."-"..rpm.expand("%{sysarch}").."/include\n")
  print("/%{_prefix}/"..target.."-"..rpm.expand("%{sysarch}").."/include/*\n")
  print("%dir /%{_prefix}/"..target.."-"..rpm.expand("%{sysarch}").."/lib\n")
  print("/%{_prefix}/"..target.."-"..rpm.expand("%{sysarch}").."/lib/*\n")
  print("\n")
end}


%changelog
* Mon Jul 02 2018 Cristian Balint <cristian.balint@gmail.com>
- github update releases