# $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/${_target}"
_ARCH=mips
_CFLAGS=" -EL -march=loongson2f -mabi=n32 -O2 -U_FORTIFY_SOURCE " \

unset CFLAGS CXXFLAGS LDFLAGS

pkgname=cross-${_target}-glibc-headers
pkgver=2.15
pkgrel=10
_glibcdate=20111227
_glibcportsver=2.15
_glibcportsdate=20120127
pkgdesc="GNU C Library"
arch=('i686' 'x86_64' 'mips64el')
url="http://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
groups=("${_target}-devel")
depends=("${_target}-linux-libre-api-headers>=3.3" 'tzdata')
makedepends=("${_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-${_glibcportsver}_${_glibcportsdate}.tar.xz
        glibc-2.15-do-not-install-timezone-files.patch
        glibc-2.15-do-not-install-timezone-files-2.patch
        glibc-__i686.patch
        glibc-2.12.2-ignore-origin-of-privileged-program.patch
        glibc-2.14-libdl-crash.patch
        glibc-2.14-reexport-rpc-interface.patch
        glibc-2.14-reinstall-nis-rpc-headers.patch
        glibc-2.15-fix-res_query-assert.patch
        glibc-2.15-regex.patch
        glibc-2.15-lddebug-scopes.patch
        glibc-2.15-revert-c5a0802a.patch
        glibc-2.15-scanf.patch
        glibc-2.15-ifunc.patch
        glibc-2.15-avx.patch
        glibc-2.15-strcasecmp-disable-avx.patch
        glibc-2.15-gb18030.patch
        glibc-2.15-revert-netlink-cache.patch
        glibc-2.15-arena.patch
        glibc-2.15-negative-result-cache.patch
        glibc-2.15-multiarch-x86-strcmp.patch
        glibc-2.15-vdso.patch
        glibc-2.15-feraiseexcept-plt.patch
        glibc-2.15-vfprintf-nargs.patch
        glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
        glibc-2.15-fmtmsg-locking.patch
        glibc-2.15-non-signalling-comparisons.patch
        glibc-2.15-rintf-rounding.patch
        glibc-2.15-nearbyintf-rounding.patch
        glibc-2.15-confstr-local-buffer-extent.patch
        nscd
        locale.gen.txt
        locale-gen)
md5sums=('6ffdf5832192b92f98bdd125317c0dfc'
         '935995663b89924a98d20a636045949a'
         '7ef69c530a15106de93e4de2df2d393e'
         'b6c619e5cf91829a15ce34dccef676d5'
         'addfddd648a4bf832eb126aba944ebae'
         'e60e33591c9ec1447e4cddadcbb9cf3a'
         '6970bcfeb3bf88913436d5112d16f588'
         'c5de2a946215d647c8af5432ec4b0da0'
         '55febbb72139ac7b65757df085024b83'
         '31f415b41197d85d3bbee3d1eecd06a3'
         'b3526cbd5e29773560dba725db99af5a'
         '3c219ddfb619b6df903cac4cc42c611d'
         '7ae3e426251ae33e73dbad71f9c91378'
         'f0782ddbf38e0b30ec6b85348816046f'
         '3d844b53b2dbb7c996e39c7ad932f55d'
         '41ae047ac88e8f6f547c70b0a0bc3b72'
         'fccb89f6628f59752278e125c35941f8'
         'c4cd34f20ccd37817f6c1374bd4ee68e'
         '94b61302a7ca6c5764d013dc7738fcfe'
         'a9ffadcfd2d357f91fee0b861fd4a7c6'
         '2c46b8e294de24c531f2253ff69aeef3'
         '7a2998a04ebfcf8bf820540f490ce714'
         '0d77d20fa7fe2f87ad945cb9edb4d91d'
         'bfdefac3d705f41fbf84b1de1dc945af'
         '3443e89c1e98089cd6c3e3c23f0c3d85'
         '340deaa582a95ddde86edb624c3bfea0'
         '6bbac50e6ff82187654e6a0a7bd849e7'
         'c483504cf404ed0b44480af627813a97'
         '1419d61fd1dbc6cdc48bb59da86fa66f'
         '7ff501435078b1a2622124fbeaafc921'
         '8d1023a51e0932681b46440d5f8551ee'
         '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-${_glibcportsver}-arch origin/release/${_glibcportsver}/master
  popd
  tar -cvJf glibc-ports-${_glibcportsver}_${_glibcportsdate}.tar.xz glibc-ports/*
}


build() {
  cd ${srcdir}/glibc

  # timezone data is in separate package (tzdata)
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=482ff4da
  patch -p1 -i ${srcdir}/glibc-2.15-do-not-install-timezone-files.patch
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=a458e7fe
  patch -p1 -i ${srcdir}/glibc-2.15-do-not-install-timezone-files-2.patch

  # undefine __i686
  # http://sourceware.org/glibc/wiki/Release/2.15#Build_Failures
  patch -p1 -i ${srcdir}/glibc-__i686.patch

  # http://www.exploit-db.com/exploits/15274/
  # http://sourceware.org/git/?p=glibc.git;a=patch;h=d14e6b09  (fedora branch)
  patch -p1 -i ${srcdir}/glibc-2.12.2-ignore-origin-of-privileged-program.patch

  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=675155e9  (fedora branch)
  # http://sourceware.org/ml/libc-alpha/2011-06/msg00006.html
  patch -p1 -i ${srcdir}/glibc-2.14-libdl-crash.patch

  # re-export RPC interface until libtirpc is ready as a replacement
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=acee4873  (fedora branch)
  patch -p1 -i ${srcdir}/glibc-2.14-reexport-rpc-interface.patch
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=bdd816a3  (fedora branch)
  patch -p1 -i ${srcdir}/glibc-2.14-reinstall-nis-rpc-headers.patch

  # fix res_query assertion
  # http://sourceware.org/bugzilla/show_bug.cgi?id=13013
  patch -p1 -i ${srcdir}/glibc-2.15-fix-res_query-assert.patch

  # fix up regcomp/regexec
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=2ba92745
  patch -p1 -i ${srcdir}/glibc-2.15-regex.patch

  # propriety nvidia crash - https://bugzilla.redhat.com/show_bug.cgi?id=737223 
  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=0c95ab64  (fedora branch)
  patch -p1 -i ${srcdir}/glibc-2.15-lddebug-scopes.patch

  # revert commit c5a0802a - causes various hangs
  # https://bugzilla.redhat.com/show_bug.cgi?id=769421
  # Note: fedora may have actual fix (not submitted upstream yet...)
  # http://pkgs.fedoraproject.org/gitweb/?p=glibc.git;a=blob_plain;f=glibc-rh552960-2.patch
  patch -p1 -i ${srcdir}/glibc-2.15-revert-c5a0802a.patch

  # fix realloc usage in vfscanf
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=20b38e03
  patch -p1 -i ${srcdir}/glibc-2.15-scanf.patch

  # fix ifunc relocations
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=6ee65ed6
  patch -p1 -i ${srcdir}/glibc-2.15-ifunc.patch
        
  # fix AVX detection
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=afc5ed09
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=08cf777f
  patch -p1 -i ${srcdir}/glibc-2.15-avx.patch
  # and "fix" strcasecmp
  patch -p1 -i ${srcdir}/glibc-2.15-strcasecmp-disable-avx.patch

  # fix GB18030 charmap
  # http://sourceware.org/bugzilla/show_bug.cgi?id=11837
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=2a57bd79  (fedora branch)
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=3d828a61  (fedora branch)
  patch -p1 -i ${srcdir}/glibc-2.15-gb18030.patch

  # fix crash in __nscd_get_mapping if nscd not running
  # http://sourceware.org/bugzilla/show_bug.cgi?id=13594 (potential "fix" in comment)
  # reverts commit 3a2c0242 and other necessary following changes...
  patch -p1 -i ${srcdir}/glibc-2.15-revert-netlink-cache.patch

  # handle ARENA_TEST correctly
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=41b81892
  patch -p1 -i ${srcdir}/glibc-2.15-arena.patch

  # Do not cache negative results in nscd if these are transient
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=3e1aa84e
  patch -p1 -i ${srcdir}/glibc-2.15-negative-result-cache.patch

  # strcasecmp_l, strncasecmp_l act as strcmp for multiarch x86
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=0bab47b6
  patch -p1 -i ${srcdir}/glibc-2.15-multiarch-x86-strcmp.patch
  
  # always set l_used for vDSO.
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=1f393a11
  patch -p1 -i ${srcdir}/glibc-2.15-vdso.patch

  # fix x86 PLT slot usage for feraiseexcept
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=7c35ffed
  patch -p1 -i ${srcdir}/glibc-2.15-feraiseexcept-plt.patch

  # vfprintf nargs overflow - CVE-2012-0864
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=7c1f4834
  patch -p1 -i ${srcdir}/glibc-2.15-vfprintf-nargs.patch

  # avoid out ouf bounds read in __libc_res_nquerydomain
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=8fdceb2e
  patch -p1 -i ${srcdir}/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch

  # make fmtmsg function thread-safe
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=7724defc
  patch -p1 -i ${srcdir}/glibc-2.15-fmtmsg-locking.patch

  # use non-signaling floating-point comparisons in math functions
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=92221550
  patch -p1 -i ${srcdir}/glibc-2.15-non-signalling-comparisons.patch

  # fix rintf rounding.
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=fe45ce09
  patch -p1 -i ${srcdir}/glibc-2.15-rintf-rounding.patch

  # fix nearbyintf rounding
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=6cbeae47
  patch -p1 -i ${srcdir}/glibc-2.15-nearbyintf-rounding.patch

  ln -s ../glibc-ports ports

  if [ "${_target}" = "mips64el-unknown-linux-gnu" ]; then
      # Fix typo making util-linux build fail.
      sed -i "s/_MIPS_SIM_ABIN32/_MIPS_SIM_NABI32/" ports/sysdeps/unix/sysv/linux/mips/Makefile
      # mips64el is only supported out of tree.
      extra_addons=",ports"
  fi 

  # fix varaible scope issue in confstr
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=ac4c54f0
  # http://sourceware.org/git/?p=glibc.git;a=commit;h=d6a403f9
  patch -p1 -i ${srcdir}/glibc-2.15-confstr-local-buffer-extent.patch

#  patch -Np0 -i ${srcdir}/configure.patch
  install -dm755 ${pkgdir}/etc
  touch ${pkgdir}/etc/ld.so.conf

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

#  echo "libc_cv_ctors_header=no" >> config.cache
#  echo "libc_cv_forced_unwind=yes" >> config.cache
#  echo "libc_cv_c_cleanup=yes" >> config.cache

#  BUILD_CC=${CHOST}-gcc \
#  CFLAGS=" -EL -march=loongson2f -mabi=n32 -O2 -U_FORTIFY_SOURCE " \
#  CC=${_target}-gcc \
#  AR=${_target}-ar \
#  RANLIB=${_target}-ranlib \
#  ${srcdir}/glibc/configure \
#      --prefix=/usr \
#      --build=${CHOST} \
#      --host=${_target} \
#      --without-cvs \
#      --disable-profile \
#      --without-gd \
#      --with-headers=/usr/${_target}/usr/include \
#      --cache-file=${srcdir}/glibc-build/config.cache \
#      --disable-debug \
#      --disable-sanity-checks \
#      --enable-kernel=2.6.27 \
#      --with-__thread \
#      --with-tls \
#      --enable-shared \
#      --with-fp \
#      --enable-add-ons=nptl,ports

  if [[ ${CARCH} = "i686" ]]; then
    # Hack to fix NPTL issues with Xen, only required on 32bit platforms
    # TODO: make separate glibc-xen package for i686
    export CFLAGS="${CFLAGS} -mno-tls-direct-seg-refs"
  fi

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

  # remove hardening options from CFLAGS for building libraries
  CFLAGS=${CFLAGS/-fstack-protector/}
  CFLAGS=${CFLAGS/-D_FORTIFY_SOURCE=2/}

  BUILD_CC=${CHOST}-gcc \
  CC=${_target}-gcc \
  AR=${_target}-ar \
  AS=${_target}-as \
  RANLIB=${_target}-ranlib \
  CFLAGS="${_CFLAGS}" \
  ${srcdir}/glibc/configure --prefix=/usr \
      --build=${CHOST} \
      --host=${_target} \
      --with-headers=${_sysroot}/usr/include \
      --enable-add-ons=nptl,libidn$extra_addons \
      --enable-kernel=2.6.32 \
      --with-tls --with-__thread \
      --enable-bind-now --without-gd \
      --without-cvs --disable-profile \
      --enable-multi-arch

# # build libraries with hardening disabled
# echo "build-programs=no" >> configparms
# make
# 
# # re-enable hardening for programs
# sed -i "s#=no#=yes#" configparms
# echo "CC += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
# echo "CXX += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
# make

# # remove harding in preparation to run test-suite
# sed -i '2,4d' configparms

}

check() {
  cd ${srcdir}/glibc-build

  # some errors are expected - manually check log files
  make -k check || true
}

package() {
  cd ${srcdir}/glibc-build
  headers_dir=${pkgdir}${_sysroot}/usr/include

  make ${MAKEFLAGS} install_root=${pkgdir}${_sysroot} all-bootstrap-headers=yes install-headers

  msg "Installing some headers manually"
  mkdir -p "${headers_dir}/gnu"
  touch "${headers_dir}/gnu/stubs.h"
  cp -v "${srcdir}/glibc/include/features.h" "${headers_dir}/features.h"
  cp -v bits/stdio_lim.h "${headers_dir}/bits/stdio_lim.h"

  mkdir -p ${pkgdir}${_sysroot}/usr/lib

  make csu/subdir_lib
  cp csu/crt1.o csu/crti.o csu/crtn.o ${pkgdir}${_sysroot}/usr/lib

  ${_target}-gcc -nostdlib \
                 -nostartfiles    \
                 -shared          \
                 -x c /dev/null   \
                 -o ${pkgdir}${_sysroot}/usr/lib/libc.so

# This will help gcc-shared to find headers for libgcc2
  msg2 "Symlinking headers"
#  rm -r ${pkgdir}${_sysroot}/include
  mkdir -p ${pkgdir}${_sysroot}/lib/
  ln -s ${_sysroot}/usr/include ${pkgdir}${_sysroot}/include
  ln -s ${_sysroot}/usr/lib/crt1.o ${pkgdir}${_sysroot}/lib/
  ln -s ${_sysroot}/usr/lib/crti.o ${pkgdir}${_sysroot}/lib/
  ln -s ${_sysroot}/usr/lib/crtn.o ${pkgdir}${_sysroot}/lib/
  ln -s ${_sysroot}/usr/lib/libc.so ${pkgdir}${_sysroot}/lib/

}
md5sums=('6ffdf5832192b92f98bdd125317c0dfc'
         '344e06a320fd53b3f267bd4bfb3f681f'
         '7ef69c530a15106de93e4de2df2d393e'
         'b6c619e5cf91829a15ce34dccef676d5'
         'bc4829f8e431bdb13e597633abdc626d'
         'e60e33591c9ec1447e4cddadcbb9cf3a'
         '6970bcfeb3bf88913436d5112d16f588'
         'c5de2a946215d647c8af5432ec4b0da0'
         '55febbb72139ac7b65757df085024b83'
         '31f415b41197d85d3bbee3d1eecd06a3'
         'b3526cbd5e29773560dba725db99af5a'
         '3c219ddfb619b6df903cac4cc42c611d'
         '7ae3e426251ae33e73dbad71f9c91378'
         'f0782ddbf38e0b30ec6b85348816046f'
         '3d844b53b2dbb7c996e39c7ad932f55d'
         '41ae047ac88e8f6f547c70b0a0bc3b72'
         'fccb89f6628f59752278e125c35941f8'
         'c4cd34f20ccd37817f6c1374bd4ee68e'
         '94b61302a7ca6c5764d013dc7738fcfe'
         'a9ffadcfd2d357f91fee0b861fd4a7c6'
         '2c46b8e294de24c531f2253ff69aeef3'
         '7a2998a04ebfcf8bf820540f490ce714'
         '0d77d20fa7fe2f87ad945cb9edb4d91d'
         'bfdefac3d705f41fbf84b1de1dc945af'
         '3443e89c1e98089cd6c3e3c23f0c3d85'
         '340deaa582a95ddde86edb624c3bfea0'
         '6bbac50e6ff82187654e6a0a7bd849e7'
         'c483504cf404ed0b44480af627813a97'
         '1419d61fd1dbc6cdc48bb59da86fa66f'
         '7ff501435078b1a2622124fbeaafc921'
         '8d1023a51e0932681b46440d5f8551ee'
         'b587ee3a70c9b3713099295609afde49'
         '07ac979b6ab5eeb778d55f041529d623'
         '476e9113489f93b348b21e144b6a8fcf')