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# $Id: PKGBUILD 145917 2012-01-04 01:25:10Z allan $
# Maintainer: Allan McRae <allan@archlinux.org>

# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
# NOTE: valgrind requires rebuilt with each major glibc version

_pkgname=glibc
_target="mips64el-unknown-linux-gnu"
_sysroot="/usr/lib/${_target}"
_ARCH=mips

unset CFLAGS CXXFLAGS LDFLAGS

pkgname=cross-${_target}-glibc-headers
pkgver=2.15
pkgrel=3
_glibcdate=20111227
pkgdesc="GNU C Library"
arch=('i686' 'x86_64' 'mips64el')
url="http://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
groups=("${_target}-devel")
depends=("${_ARCH}-linux-api-headers>=3.1.6" 'tzdata')
makedepends=("cross-${_target}-binutils"
             "cross-${_target}-gcc-core")
options=('!strip')
install=glibc.install
source=(ftp://ftp.archlinux.org/other/glibc/${_pkgname}-${pkgver}_${_glibcdate}.tar.xz
        http://repo.parabolagnulinux.org/other/glibc-ports-${pkgver}_${_glibcdate}.tar.xz
        glibc-2.10-dont-build-timezone.patch
        glibc-2.10-bz4781.patch
        glibc-__i686.patch
        glibc-2.12.2-ignore-origin-of-privileged-program.patch
        glibc-2.14-libdl-crash.patch
        glibc-2.14-revert-4768ae77.patch
        glibc-2.14-reexport-rpc-interface.patch
        glibc-2.14-reinstall-nis-rpc-headers.patch
        glibc-2.15-lddebug-scopes.patch
        glibc-2.15-revert-c5a0802a.patch
        glibc-2.15-math64crash.patch
        nscd
        locale.gen.txt
        locale-gen)
md5sums=('6ffdf5832192b92f98bdd125317c0dfc'
         'a006504b83553d0b554cf8badff005b6'
         '4dadb9203b69a3210d53514bb46f41c3'
         '0c5540efc51c0b93996c51b57a8540ae'
         '40cd342e21f71f5e49e32622b25acc52'
         'b042647ea7d6f22ad319e12e796bd13e'
         '6970bcfeb3bf88913436d5112d16f588'
         '7da8c554a3b591c7401d7023b1928afc'
         'c5de2a946215d647c8af5432ec4b0da0'
         '55febbb72139ac7b65757df085024b83'
         '3c219ddfb619b6df903cac4cc42c611d'
         '7ae3e426251ae33e73dbad71f9c91378'
         'dc7550e659ddd685bd78a930d15a01f2'
         'b587ee3a70c9b3713099295609afde49'
         '07ac979b6ab5eeb778d55f041529d623'
         '476e9113489f93b348b21e144b6a8fcf')

mksource() {
  git clone http://sourceware.org/git/glibc.git
  pushd glibc
  #git checkout -b glibc-2.15-arch origin/release/2.15/master
  git checkout -b glibc-${pkgver}-arch origin/master
  popd
  tar -cvJf glibc-${pkgver}_${_glibcdate}.tar.xz glibc/*
  mksource-ports
}

mksource-ports() {
  git clone http://sourceware.org/git/glibc-ports.git
  pushd glibc-ports
  git checkout -b glibc-${pkgver}-arch origin/release/${pkgver}/master
  popd
  tar -cvJf glibc-ports-${pkgver}_${_glibcdate}.tar.xz glibc-ports/*
}

build() {
  cd ${srcdir}/glibc

  # timezone data is in separate package (tzdata)
  patch -Np1 -i ${srcdir}/glibc-2.10-dont-build-timezone.patch

  # http://sources.redhat.com/bugzilla/show_bug.cgi?id=4781
  patch -Np1 -i ${srcdir}/glibc-2.10-bz4781.patch

  # http://sources.redhat.com/bugzilla/show_bug.cgi?id=411
  # http://sourceware.org/ml/libc-alpha/2009-07/msg00072.html
  patch -Np1 -i ${srcdir}/glibc-__i686.patch

  # http://www.exploit-db.com/exploits/15274/
  # http://sourceware.org/git/?p=glibc.git;a=patch;h=d14e6b09 (only fedora branch...)
  patch -Np1 -i ${srcdir}/glibc-2.12.2-ignore-origin-of-privileged-program.patch

  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=675155e9 (only fedora branch...)
  # http://sourceware.org/ml/libc-alpha/2011-06/msg00006.html
  patch -Np1 -i ${srcdir}/glibc-2.14-libdl-crash.patch

  # Revert commit causing issues with crappy DNS servers...
  # Will be removed when workaround becomes annoying to maintain - USE A BETTER DNS SERVER!
  # Note that both these patches appear not to fix the issue completely:
  # http://sourceware.org/bugzilla/show_bug.cgi?id=13013
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=032c0ee3 (only fedora branch...)
  patch -Np1 -i ${srcdir}/glibc-2.14-revert-4768ae77.patch

  # re-export RPC interface until libtirpc is ready as a replacement
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=acee4873 (only fedora branch...)
  patch -Np1 -i ${srcdir}/glibc-2.14-reexport-rpc-interface.patch
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=bdd816a3 (only fedora branch...)
  patch -Np1 -i ${srcdir}/glibc-2.14-reinstall-nis-rpc-headers.patch

  # propriety nvidia crash - https://bugzilla.redhat.com/show_bug.cgi?id=737223 
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=0c95ab64  (only fedora branch...)
  patch -Np1 -i ${srcdir}/glibc-2.15-lddebug-scopes.patch

  # revert commit c5a0802a - causes various hangs
  # https://bugzilla.redhat.com/show_bug.cgi?id=769421
  patch -Np1 -i ${srcdir}/glibc-2.15-revert-c5a0802a.patch

  # revert optimized math routines that can cause crashes (FS#27736, FS#27743)
  # obviously not a real fix...
  patch -Np1 -i ${srcdir}/glibc-2.15-math64crash.patch

  ln -s ../glibc-ports ports

  cd ${srcdir}
  mkdir glibc-build
  cd glibc-build

  echo "slibdir=${_sysroot}/lib" >> configparms

# From crosstool-ng:
# glibc's prefix must be exactly /usr, else --with-sysroot'd gcc will get
# confused when $sysroot/usr/include is not present.
# Note: --prefix=/usr is magic!
# See http://www.gnu.org/software/libc/FAQ.html#s-2.2
 export PATH=${_sysroot}/bin:$PATH
 
 BUILD_CC="${CHOST}-gcc" \
 CC="${_target}-gcc -O2 -march=loongson2f -mabi=n32 -pipe -mplt -Wa,-mfix-loongson2f-nop" \
 AR="${_target}-ar" \
 RANLIB="${_target}-ranlib" \
 ${srcdir}/glibc/configure \
   	--prefix=/usr \
   	--build=$CHOST --host=$_target \
    --with-headers=/usr/lib/${_ARCH}/include \
    --libdir=${_sysroot}/usr/lib --libexecdir=${_sysroot}/usr/lib \
    --enable-add-ons=nptl,libidn,ports \
    --enable-kernel=2.6.27 \
    --with-tls --with-__thread \
    --without-gd \
    --without-cvs --disable-profile
}

package() {
  cd ${srcdir}/glibc-build
  make install_root=${pkgdir} install-bootstrap-headers=yes install-headers
}