#
# spec file for package linux-glibc-devel
#
# Copyright (c) 2011 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via http://bugs.opensuse.org/
#

# norootforbuild

BuildRequires:  fdupes

Name:           linux-glibc-devel
License:        GPLv2
Summary:        Linux headers for userspace development
Group:          Development/Libraries/C and C++
BuildArch:      noarch
# this confusing version number has no meaning
Version:        3.0
Release:        3
Url:            http://www.kernel.org/
BuildRoot:      %{_tmppath}/%{name}-%{version}-build
Provides:       kernel-headers 
Provides:       linux-kernel-headers = %{version}
Obsoletes:      linux-kernel-headers < %{version}
PreReq:         coreutils
Source:         %{name}-%{version}.tar.bz2
Source1:        install_all.sh
Patch1:         linux-glibc-devel.SuSE.SO_BSDCOMPAT.patch

%description
This package provides Linux kernel headers, the kernel API description
required for compilation of almost all programs. This is the userspace
interface; compiling external kernel modules requires
kernel-(flavor)-devel, or kernel-syms to pull in all kernel-*-devel,
packages, instead.



%prep
%setup -q
%patch1

%build
cat > version.h <<-BOGUS
#ifdef __KERNEL__
#error "======================================================="
#error "You should not include /usr/include/{linux,asm}/ header"
#error "files directly for the compilation of kernel modules."
#error ""
#error "glibc now uses kernel header files from a well-defined"
#error "working kernel version (as recommended by Linus Torvalds)"
#error "These files are glibc internal and may not match the"
#error "currently running kernel. They should only be"
#error "included via other system header files - user space"
#error "programs should not directly include <linux/*.h> or"
#error "<asm/*.h> as well."
#error ""
#error "To build kernel modules please do the following:"
#error ""
#error " o Have the kernel sources installed"
#error ""
#error " o Make sure that the symbolic link"
#error "   /lib/modules/\`uname -r\`/build exists and points to"
#error "   the matching kernel source directory"
#error ""
#error " o When compiling, make sure to use the following"
#error "   compiler option to use the correct include files:"
#error ""
#error "   -I/lib/modules/\`uname -r\`/build/include"
#error ""
#error "   instead of"
#error ""
#error "   -I/usr/include/linux"
#error ""
#error "   Please adjust the Makefile accordingly."
#error "======================================================="
#else
#define UTS_RELEASE "%{version}"
#define LINUX_VERSION_CODE `bash -c 'v="%{version}";c=0;read a b <<< "${v//./ }";echo "$(( (($a) << 16) + (($b) << 8) + ($c) ))"'`
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
#endif
BOGUS
cat version.h

%install
rm -rf    $RPM_BUILD_ROOT
mkdir     $RPM_BUILD_ROOT
cp -a usr $RPM_BUILD_ROOT
cp -a version.h $RPM_BUILD_ROOT/usr/include/linux/
# Temporarily exclude i2c header files, which are provided by i2c-tools instead
rm -fv   $RPM_BUILD_ROOT/usr/include/linux/i2c-dev.h
# resolve file conflict with glibc for now
rm -fv   $RPM_BUILD_ROOT//usr/include/scsi/scsi*
# Replace the directory /usr/include/asm with a symlink.
# libc contained a symlink /usr/include/asm into kernel-source up to 7.0 (2.1.3)
# glibc-devel contained a symlink /usr/include/asm into kernel-source in 7.1 (2.2)
# glibc-devel contained a directory /usr/include/asm from 7.2 (2.2.2) up to 10.1/SLES10 (2.4)
# The directory moved from glibc-devel to linux-kernel-headers in 10.2 (2.6.18.2)
# The directory turned into a symlink in 10.3 (2.6.22)
# rpm will remove obsolete files after the post install scripts
# A trigger will run after the /usr/include/asm was removed
# Create a dummy symlink now for rpmlint happiness, we %%ghost this and create
# a proper symlink during %%post:
ln -sfn asm-dummy $RPM_BUILD_ROOT/usr/include/asm
%fdupes $RPM_BUILD_ROOT/usr/include

%postun
if test "$1" = 0
then
	rm -f usr/include/asm
fi
exit 0

%post
asm_link=
case "$(uname -m)" in
	alpha*)  asm_link=alpha      ;;
	ppc*)    asm_link=powerpc    ;;
	s390*)   asm_link=s390       ;;
	ia64)    asm_link=ia64       ;;
	*arm*)   asm_link=arm        ;;
	parisc)  asm_link=parisc     ;;
	*mips*)  asm_link=mips       ;;
	sparc*)  asm_link=sparc      ;;
	*)       asm_link=x86  ;;
esac
if test -L usr/include/asm
then
	case "$(readlink usr/include/asm)" in
		*../src/linux/include*)
		echo "/usr/include/asm points to kernel-source, waiting for triggerpostun to symlink to asm-$asm_link"
		rm -fv usr/include/asm
		exit 0
		;;
	esac
	: symlink is ok, update it below in case of an arch change
elif test -d usr/include/asm
then
	echo "/usr/include/asm is a directory, waiting for triggerpostun to symlink to asm-$asm_link"
	exit 0
fi
ln -sfn asm-$asm_link usr/include/asm
exit 0

%triggerpostun -- linux-kernel-headers, glibc-devel < 2.5, libc < 2.2
asm_link=
case "$(uname -m)" in
	alpha*)  asm_link=alpha      ;;
	ppc*)    asm_link=powerpc    ;;
	s390*)   asm_link=s390       ;;
	ia64)    asm_link=ia64       ;;
	*arm*)   asm_link=arm        ;;
	parisc)  asm_link=parisc     ;;
	*mips*)  asm_link=mips       ;;
	sparc*)  asm_link=sparc      ;;
	*)       asm_link=x86  ;;
esac
ln -sfn asm-$asm_link usr/include/asm
exit 0

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root)
%{_prefix}/include/*
%ghost %{_prefix}/include/asm

%changelog