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# Based on the LFS build script and Arch-ARM PKGBUILD for glibc

pkgbase=glibc
pkgname=(glibc glibc-locales)
#pkgver=2.39
pkgver=2.39+git240512
#_commit=
# is not this
#f8e462342189525e4605cf233b8f798d1c7f398d
pkgrel=2
arch=('armv7h' 'aarch64')
url='https://www.gnu.org/software/libc'
license=(GPL-2.0-or-later LGPL-2.1-or-later)
options=(staticlibs !lto !distcc)
depends=(linux-headers)
source=(
#"git+https://sourceware.org/git/glibc.git#commit=${_commit}"
#"$pkgname-$pkgver.tar.xz"
	"glibc-prepared.tar.gz"
#	"$pkgname-2.39-fhs-1.patch"
        locale.gen.txt
        locale-gen
        sdt.h sdt-config.h
)

prepare() {
  mkdir -p glibc-build

  [[ -d glibc-$pkgver ]] && ln -s glibc-$pkgver glibc
  cd glibc
#  patch -Np1 -i "$srcdir/$pkgname-2.39-fhs-1.patch"
}


build() {
  local _configure_flags=(
      --prefix=/usr
      --with-headers=/usr/include
      --with-bugurl=https://armlfs.urja.dev/
      --enable-bind-now
      --disable-multi-arch
      --enable-stack-protector=strong
      --enable-systemtap
      --disable-nscd
      --disable-profile
      --disable-werror
      --enable-kernel=4.10
      libc_cv_slibdir=/usr/lib
  )

  # Drop from neon-vfpv4 to neon (vfpv3)
  [[ $CARCH == "armv7h" ]] && CFLAGS=`echo $CFLAGS | sed -e 's/neon-vfpv4/neon/'` && CXXFLAGS="$CFLAGS"

  # _FORTIFY_SOURCE=3 causes testsuite build failure and is unnecessary during
  # actual builds (support is built-in via --enable-fortify-source).
  CFLAGS=${CFLAGS/-Wp,-D_FORTIFY_SOURCE=3/}

  # Specify build host types
  [[ $CARCH == "armv7h" ]] && _configure_flags+=(--host=armv7l-unknown-linux-gnueabihf --build=armv7l-unknown-linux-gnueabihf)
  [[ $CARCH == "aarch64" ]] && _configure_flags+=(--host=aarch64-unknown-linux-gnu --build=aarch64-unknown-linux-gnu --enable-memory-tagging)

  cd "${srcdir}"/glibc-build
  (
    echo "rootsbindir=/usr/sbin" >> configparms

    "${srcdir}"/glibc/configure \
        "${_configure_flags[@]}"

    make -O

    # build info pages manually for reproducibility
    make info
  )

  # pregenerate locales here instead of in package
  # functions because localedef does not like fakeroot
  make -C "${srcdir}"/glibc/localedata objdir="${srcdir}"/glibc-build \
    DESTDIR="${srcdir}"/locales install-locale-files

}

# Credits for _skip_test() and check() @allanmcrae
# https://github.com/allanmcrae/toolchain/blob/f18604d70c5933c31b51a320978711e4e6791cf1/glibc/PKGBUILD
_skip_test() {
  test=${1}
  file=${2}
  sed -i "/\b${test} /d" "${srcdir}"/glibc/${file}
}

check() (
  cd glibc-build

  # adjust/remove buildflags that cause false-positive testsuite failures
  sed -i '/FORTIFY/d' configparms                                     # failure to build testsuite
  sed -i 's/-Werror=format-security/-Wformat-security/' config.make   # failure to build testsuite
  sed -i '/CFLAGS/s/-fno-plt//' config.make                           # 16 failures
  sed -i '/CFLAGS/s/-fexceptions//' config.make                       # 1 failure
  LDFLAGS=${LDFLAGS/,-z,now/}                                         # 10 failures

  # The following tests fail due to restrictions in the Arch build system
  # The correct fix is to add the following to the systemd-nspawn call:
  # --system-call-filter="@clock @memlock @pkey"
  _skip_test test-errno-linux        sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-mlock2              sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-ntp_gettime         sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-ntp_gettimex        sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-ntp_gettime-time64  sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-ntp_gettimex-time64 sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-sync_file_range     sysdeps/unix/sysv/linux/Makefile

  _skip_test tst-pkey                sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-process_mrelease    sysdeps/unix/sysv/linux/Makefile
  _skip_test tst-shstk-legacy-1g     sysdeps/x86_64/Makefile
  _skip_test tst-adjtime             time/Makefile
  _skip_test tst-adjtime-time64      time/Makefile

  _skip_test tst-posix_fadvise       posix/Makefile
  _skip_test tst-posix_fadvise64     posix/Makefile
  
  make -O check
)




package_glibc() {
  pkgdesc='GNU C Library'
  install=glibc.install
  backup=(etc/gai.conf
          etc/locale.gen
	  etc/nsswitch.conf
	  etc/ld.so.conf)

  make -C glibc-build DESTDIR="${pkgdir}" install
  rm -f "${pkgdir}"/etc/ld.so.cache

  # Shipped in tzdata
  rm -f "${pkgdir}"/usr/bin/{tzselect,zdump}
  rm -f "$pkgdir"/usr/sbin/zic

  cd glibc

  install -dm755 "${pkgdir}"/usr/lib/{locale,systemd/system,tmpfiles.d}

  install -m644 posix/gai.conf "${pkgdir}"/etc/gai.conf

  install -m755 "${srcdir}"/locale-gen "${pkgdir}"/usr/bin

  # Create /etc/locale.gen
  install -m644 "${srcdir}"/locale.gen.txt "${pkgdir}"/etc/locale.gen
  sed -e '1,3d' -e 's|/| |g' -e 's|\\| |g' -e 's|^|#|g' \
    localedata/SUPPORTED >> "${pkgdir}"/etc/locale.gen

  # Add SUPPORTED file to pkg
  sed -e '1,3d' -e 's|/| |g' -e 's| \\||g' \
    localedata/SUPPORTED > "${pkgdir}"/usr/share/i18n/SUPPORTED

  # install C.UTF-8 so that it is always available
  # should be built into glibc eventually
  # https://sourceware.org/glibc/wiki/Proposals/C.UTF-8
  # https://bugs.archlinux.org/task/74864
  install -dm755 "${pkgdir}"/usr/lib/locale
  cp -r "${srcdir}"/locales/usr/lib/locale/C.utf8 -t "${pkgdir}"/usr/lib/locale
  sed -i '/#C\.UTF-8 /d' "${pkgdir}"/etc/locale.gen

  # Provide tracing probes to libstdc++ for exceptions, possibly for other
  # libraries too. Useful for gdb's catch command.
  install -Dm644 "${srcdir}"/sdt.h "${pkgdir}"/usr/include/sys/sdt.h
  install -Dm644 "${srcdir}"/sdt-config.h "${pkgdir}"/usr/include/sys/sdt-config.h

  cat > "${pkgdir}"/etc/nsswitch.conf << "EOF"
# Begin /etc/nsswitch.conf

passwd: files systemd
group: files systemd
shadow: files systemd

hosts: mymachines resolve [!UNAVAIL=return] files myhostname dns
networks: files

protocols: files
services: files
ethers: files
rpc: files

# End /etc/nsswitch.conf
EOF

cat > "${pkgdir}"/etc/ld.so.conf << "EOF"
/usr/local/lib
# Plus all include fragments
include /etc/ld.so.conf.d/*.conf
EOF
mkdir -pv "${pkgdir}"/etc/ld.so.conf.d

}

package_glibc-locales() {
  pkgdesc='Pregenerated locales for GNU C Library'
  depends=("glibc=$pkgver")

  cp -r locales/* -t "${pkgdir}"
  rm -r "${pkgdir}"/usr/lib/locale/C.utf8

  # deduplicate locale data
  hardlink -c "${pkgdir}"/usr/lib/locale
}


sha256sums=('SKIP'
#            '643552db030e2f2d7ffde4f558e0f5f83d3fabf34a2e0e56ebdb49750ac27b0d'
            '2a7dd6c906b6c54a68f48a21898664a32fdb136cbd9ff7bfd48f01d1aaa649ae'
            '8c5cc09018cbd65e8570430f872e118caa2644e311d6200b7d5f0cba837fbba4'
            '774061aff612a377714a509918a9e0e0aafce708b87d2d7e06b1bd1f6542fe70'
            'cdc234959c6fdb43f000d3bb7d1080b0103f4080f5e67bcfe8ae1aaf477812f0')
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