#
# GCC 4.6 Version 1.
#
# This configuration file configure's, make's and install's gcc. It uses
# newlib, MPFR, MPC, and GMP in a one-tree build configuration.
#

#
# Default to C++ on.
#
%ifn %{defined enable_cxx}
%define enable_cxx 1
%endif

%include %{_configdir}/checks.cfg

%ifn %{defined gcc_version_message}
%error No GCC Version message defined.
%endif

Name:      %{_target}-gcc-%{gcc_version}-newlib-%{newlib_version}-%{release}
Summary:   GCC v%{gcc_version} and Newlib v%{newlib_version} for target %{_target} on host %{_host}
Version:   %{gcc_version}
Release:   %{release}
URL: 	   http://gcc.gnu.org/
BuildRoot: %{_tmppath}/%{name}-root-%(%{__id_u} -n)

#
# Source
#
#
# GCC core and G++
#
Source0: ftp://ftp.gnu.org/gnu/gcc/gcc-%{gcc_version}/gcc-core-%{gcc_version}.tar.bz2
VersionContro0: git clone git://gcc.gnu.org/git/gcc.git

%if %{enable_cxx}
Source1: ftp://ftp.gnu.org/gnu/gcc/gcc-%{gcc_version}/gcc-g++-%{gcc_version}.tar.gz
%endif

#
# Newlib
#
Source10: ftp://sourceware.org/pub/newlib/newlib-%{newlib_version}.tar.gz
VersionControl10: cvs -z 9 -d :pserver:anoncvs@sources.redhat.com:/cvs/src co newlib

#
# Packages GCC requires
#
Source20: http://www.mpfr.org/mpfr-%{mpfr_version}/mpfr-%{mpfr_version}.tar.bz2
Source21: http://www.multiprecision.org/mpc/download/mpc-%{mpc_version}.tar.gz
Source22: ftp://ftp.gnu.org/gnu/gmp/gmp-%{gmp_version}.tar.bz2

#
# The GCC library directory
#
%global _gcclibdir %{_prefix}/lib

#
# Prepare the source code.
#
%prep
  # gcc core
  %setup -q -c -n %{name}-%{version} -a0
  cd gcc-%{gcc_version}
  %{?patch0:%patch0 -p1}
  cd ..

  # g++
  %{?source1:%setup -q -D -n %{name}-%{version} -a1}
  cd gcc-%{gcc_version}
  %{?patch1:%patch1 -p1}
  cd ..

  # newlib
  %setup -q -D -n %{name}-%{version} -a10
  cd newlib-%{newlib_version}
  %{?patch10:%patch10 -p1}
  cd ..
  # Link newlib into the gcc source tree
  ln -s ../newlib-%{newlib_version}/newlib gcc-%{gcc_version}

  # MPFR
  %setup -q -D -n %{name}-%{version} -a20
  cd mpfr-%{mpfr_version}
  %{?patch20:%patch20 -p1}
  cd ..
  # Build MPFR one-tree style
  ln -s ../mpfr-%{mpfr_version} gcc-%{gcc_version}/mpfr

  # MPC
  %setup -q -D -n %{name}-%{version} -a21
  cd mpc-%{mpc_version}
  %{?patch21:%patch21 -p1}
  cd ..
  # Build MPC one-tree style
  ln -s ../mpc-%{mpc_version} gcc-%{gcc_version}/mpc

  # GMP
  %setup -q -D -n %{name}-%{version} -a22
  cd gmp-%{gmp_version}
  %{?patch22:%patch22 -p1}
  cd ..
  # Build GMP one-tree style
  ln -s ../gmp-%{gmp_version} gcc-%{gcc_version}/gmp

  echo "%{gcc_version_message}" > gcc-%{gcc_version}/gcc/DEV-PHASE

  # Fix timestamps
  cd gcc-%{gcc_version}
  contrib/gcc_update --touch
  cd ..

%build
  export PATH="%{_bindir}:${PATH}"
  mkdir -p build
  cd build
  languages="c"
%if %{enable_cxx}
  languages="$languages,c++"
%endif
%if "%{_build}" != "%{_host}"
  CFLAGS_FOR_BUILD="-g -O2 -Wall" \
  CC="%{_host}-gcc ${SB_OPT_FLAGS}" \
%else
  # gcc is not ready to be compiled with -std=gnu99
  CC=$(echo "%{__cc} ${SB_OPT_FLAGS}" | sed -e 's,-std=gnu99 ,,') \
%endif
  ../gcc-%{gcc_version}/configure \
    --prefix=%{_prefix} \
    --bindir=%{_bindir} \
    --exec_prefix=%{_exec_prefix} \
    --includedir=%{_includedir} \
    --libdir=%{_gcclibdir} \
    --libexecdir=%{_libexecdir} \
    --mandir=%{_mandir} \
    --infodir=%{_infodir} \
    --datadir=%{_datadir} \
    --build=%_build --host=%_host \
    --target=%{_target} \
    --disable-libstdcxx-pch \
    --with-gnu-as --with-gnu-ld --verbose \
    --with-newlib \
    --with-system-zlib \
    --disable-nls --without-included-gettext \
    --disable-win32-registry \
    --enable-version-specific-runtime-libs \
    --disable-lto \
    %{?with_threads:--enable-threads}%{!?with_threads:--disable-threads} \
    %{?with_plugin:--enable-plugin}%{!?with_plugin:--disable-plugin} \
    --enable-newlib-io-c99-formats \
    %{?with_iconv:--enable-newlib-iconv} \
    --enable-languages="$languages"

%if "%_host" != "%_build"
  # Bug in gcc-3.2.1:
  # Somehow, gcc doesn't get syslimits.h right for Cdn-Xs
  mkdir -p gcc/include
  cp ../gcc-%{gcc_version}/gcc/gsyslimits.h gcc/include/syslimits.h
%endif

  %{__make} %{?_smp_mflags} all
  cd ..

%install
  export PATH="%{_bindir}:${PATH}"
  rm -rf $SB_BUILD_ROOT

  cd build
  %{__make} DESTDIR=$SB_BUILD_ROOT install
  cd ..

  # libiberty doesn't honor --libdir, but always installs to a
  # magically guessed _libdir
  rm -f ${SB_BUILD_ROOT}%{_libdir}/libiberty.a

  # We use the version from binutils
  rm -f $SB_BUILD_ROOT%{_bindir}/%{_target}-c++filt%{_exeext}

  # We don't ship info/dir
  rm -f $SB_BUILD_ROOT%{_infodir}/dir

  # Don't want libffi's man-pages
  rm -f $SB_BUILD_ROOT%{_mandir}/man3/*ffi*