#
# spec file for building gcc for cygwin
# 

%define gcc_pkgvers @GCC_VERS@
%define gcc_version %{expand:%%(echo "@GCC_VERS@" | sed -e 's,-.*,,')}
%define gcc_rpmvers %{expand:%%(echo "@GCC_VERS@" | tr - _ )}

# RH's brp-strip* scripts are not able to handle foreign binaries
# Switch of all stripping
%define __os_install_post /usr/lib/rpm/redhat/brp-compress

Distribution: 	Linux
Name:         	i686-pc-cygwin-gcc
Summary:      	i686-pc-cygwin gcc.

Group:	      	Cygwin
Release:      	@GCC_RPMREL@
License:      	GPL
Version:        %gcc_rpmvers

Source0: 	ftp://cygwin.com/pub/cygwin/release/gcc/gcc-core/gcc-core-%{gcc_pkgvers}-src.tar.bz2
Source1: 	ftp://cygwin.com/pub/cygwin/release/gcc/gcc-g++/gcc-g++-%{gcc_pkgvers}-src.tar.bz2
Source2: 	ftp://cygwin.com/pub/cygwin/release/gcc/gcc-ada/gcc-ada-%{gcc_pkgvers}-src.tar.bz2
NoSource:	0
NoSource:	1
NoSource:	2

BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)

BuildRequires:	i686-pc-cygwin-binutils
BuildRequires:	i686-pc-cygwin-libs
BuildRequires:  i686-pc-cygwin-w32api-libs
BuildRequires:	zlib-devel

Requires:	i686-pc-cygwin-binutils
Requires:	i686-pc-cygwin-libs
Requires:  	i686-pc-cygwin-w32api-libs

Provides:	i686-pc-cygwin-c++

%description
Cross gcc for target cygwin

%prep
# untar the sources inside i686-pc-cygwin-gcc
%setup -c -n %{name} -a 0 -a 1 -a 2
# Cygwin's packaging sucks ;)
  tar xjvf gcc-core-%{gcc_version}.tar.bz2
  tar xjvf gcc-g++-%{gcc_version}.tar.bz2
  tar xjvf gcc-ada-%{gcc_version}.tar.bz2
  pushd gcc-%{gcc_version} > /dev/null
  patch -p1 -f < ../gcc-%{gcc_pkgvers}.patch || true
  popd > /dev/null
  test -d build || mkdir build

%build
#  touch gcc-%{gcc_version}/gcc/ada/treeprs.ads
#  touch gcc-%{gcc_version}/gcc/ada/[es]info.h
#  touch gcc-%{gcc_version}/gcc/ada/nmake.ad[bs]

  pushd build > /dev/null

  ../gcc-%{gcc_version}/configure --target=i686-pc-cygwin \
    --with-gnu-as --with-gnu-ld --verbose \
    --with-system-zlib \
    --disable-nls --without-included-gettext \
    --disable-win32-registry \
    --enable-version-specific-runtime-libs \
    --enable-languages=c,c++ \
    --prefix=%{_prefix} --mandir=%{_mandir} --infodir=%{_infodir} \
    --bindir=%{_bindir} --libdir=%{_libdir} --includedir=%{_includedir} \
    --datadir=%{_datadir}

# This would require write access to %{_prefix}/i686-pc-cygwin 
#    --with-headers=%{_prefix}/i686-pc-cygwin/sys-root/usr/include \
#    --with-libs=%{_prefix}/i686-pc-cygwin/sys-root/usr/lib

# Doesn't work with gcc-3.3.1-1
#    --with-sysroot=%{_prefix}/i686-pc-cygwin/sys-root

  make all

# Building with an external libc -> the nominal way to building gnat works!
#  make -C gcc cross-gnattools
#  make -C gcc ada.all.cross
#  make -C gcc gnatlib
  popd > /dev/null

%install
  rm -rf $RPM_BUILD_ROOT

  pushd build > /dev/null
  make DESTDIR=$RPM_BUILD_ROOT install
  # cd back to build/
  popd > /dev/null

  # We don't want info files
  rm -rf $RPM_BUILD_ROOT%{_infodir}

  # libiberty comes from cygwin-libs
  rm -f $RPM_BUILD_ROOT%{_prefix}/i686-pc-cygwin/lib/libiberty.a
  rm -f $RPM_BUILD_ROOT%{_prefix}/lib/libiberty.a

  # GCC ships broken *.la's
  find $RPM_BUILD_ROOT%{_prefix} -name '*.la' -exec rm -f {} \;

  # Not required for cygwin
  rm -rf $RPM_BUILD_ROOT%{_prefix}/lib/gcc-lib/i686-pc-cygwin/*/install-tools

  # These conflict with the native gcc's man pages
  rm -rf $RPM_BUILD_ROOT%{_mandir}/man7
  rm -f $RPM_BUILD_ROOT%{_mandir}/man1/cpp.*
  rm -f $RPM_BUILD_ROOT%{_mandir}/man1/gcov.*

%clean
  rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root,-)
%{_bindir}/*
%{_prefix}/lib/gcc-lib
%{_mandir}/man1/i686-pc-cygwin*.1*

# Conflicts with native gcc
# %{_datadir}/locale/*/LC_MESSAGES/*.mo