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

pkgname=glibc
pkgver=2.40
_commit=3e2a15c666e40e5ee740e5079c56d83469280323
pkgrel=1
pkgdesc="GNU C Library"
arch=('x86_64')
url="https://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
groups=('base')
depends=('linux-api-headers' 'tzdata')
makedepends=('gcc' 'python3')
backup=(etc/gai.conf
        etc/locale.gen
        etc/nscd.conf)
options=('!strip')
install=glibc.install
source=("https://ftp.gnu.org/gnu/libc/${pkgname}-${pkgver}.tar.xz"
#source=("https://github.com/bminor/glibc/archive/${_commit}.zip"
        "https://github.com/bminor/glibc/commit/07b9521fc6369d000216b96562ff7c0ed32a16c4.diff"
        'locale.gen.txt'
        'locale-gen'
        'glibc.conf')
md5sums=('b390feef233022114950317f10c4fa97'
         '66c0a97180c00ade30fec1d0c219198b'
         '07ac979b6ab5eeb778d55f041529d623'
         '476e9113489f93b348b21e144b6a8fcf'
         '8b3298de2392a10905a64ceccf56d2c1')

prepare() {
  cd ${pkgname}-${pkgver}
  # CVE-2023-25139
  #patch -p1 -i ${srcdir}/07b9521fc6369d000216b96562ff7c0ed32a16c4.diff
}

build() {
  mkdir -p build
  cd build

  echo "slibdir=/lib" >> configparms
  echo "rtlddir=/lib" >> configparms

  # remove stack protector for libs
  #CFLAGS=${CFLAGS/-fstack-protector/}
  #CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}

  ../glibc-${pkgver}/configure --prefix=/usr \
      --libdir=/usr/lib \
      --libexecdir=/usr/lib \
      --with-headers=/usr/include \
      --with-bugurl=https://github.com/KaOSx/core/issues \
      --enable-add-ons \
      --enable-bind-now \
      --enable-fortify-source \
      --enable-kernel=4.4 \
      --disable-profile \
      --enable-stackguard-randomization \
      --enable-lock-elision \
      --disable-werror

  # build libs without stack protector
  #echo "build-programs=no" >> configparms
  #make

  # build bins with stack protector
  #sed -i "/build-programs=/s#no#yes#" configparms
  #echo "CC += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
  #echo "CXX += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
  make
}

check() {
  cd build

  # no stack protector for running tests
  sed -i '5,7d' configparms
  sed -i '/FORTIFY/d' configparms

  make check || true
}

package() {
  cd build

  install -dm755 ${pkgdir}/etc
  touch ${pkgdir}/etc/ld.so.conf

  make install_root=${pkgdir} install

  rm -f ${pkgdir}/etc/ld.so.{cache,conf}

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

  install -m644 ${srcdir}/glibc-${pkgver}/nscd/nscd.conf ${pkgdir}/etc/nscd.conf
  install -m644 ${srcdir}/glibc-${pkgver}/nscd/nscd.service ${pkgdir}/usr/lib/systemd/system
  install -m644 ${srcdir}/glibc-${pkgver}/nscd/nscd.tmpfiles ${pkgdir}/usr/lib/tmpfiles.d/nscd.conf

  install -m755 ${srcdir}/locale-gen ${pkgdir}/usr/sbin
  install -m644 ${srcdir}/glibc-${pkgver}/posix/gai.conf ${pkgdir}/etc/gai.conf

  # 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' \
    ${srcdir}/glibc-${pkgver}/localedata/SUPPORTED >> ${pkgdir}/etc/locale.gen

  # fix for the linker/should be possible to remove with glibc 2.35 toolchain
  sed -i '/RTLDLIST/s%lib64%lib%' ${pkgdir}/usr/bin/ldd
  # With glibc 2.35 ld-linux-x86-64.so moved to /lib, keep symlink until all that link to /lib64 version are rebuild
  mkdir ${pkgdir}/lib64
  cd ${pkgdir}/lib64
  ln -v -s ../lib/ld* .

  cd ${pkgdir}
  strip $STRIP_BINARIES sbin/{ldconfig,sln} \
                        usr/bin/{gencat,getconf,getent,iconv,locale} \
                        usr/bin/{localedef,pcprofiledump,sprof} \
                        usr/lib/getconf/* \
                        usr/sbin/{iconvconfig,nscd}

  #strip $STRIP_STATIC usr/lib/*.a 

  strip $STRIP_SHARED lib/{libanl,libBrokenLocale}.so.1 \
                      lib/libnss_{compat,dns,files,hesiod}.so.2 \
                      lib/{libdl,libresolv}.so.2 \
                      lib/{libnsl,librt,libutil}.so.1 \
                      lib/{libmemusage,libpcprofile}.so \
                      usr/lib/{audit,gconv}/*.so
                      #usr/lib/libm.so \
                      #lib/{libmemusage,libpcprofile,libSegFault}.so \
                      #usr/lib/{audit,gconv}/*.so \
                      #lib/libmvec-*.so

  # Still needed?  Add /usr/lib32 to the default library search path
  install -Dm644 ${srcdir}/glibc.conf ${pkgdir}/etc/ld.so.conf.d/glibc.conf
  
  # part of libxcrypt, keep static .a & /lib/libcrypt.so.1 
  # until all rebuild with libxcrypt & no longer needed
  #rm -f ${pkgdir}/usr/include/crypt.h
  #rm -f ${pkgdir}/usr/lib/libcrypt.so
}