# Maintainer: soh @ AUR
# Contributor: Angel Velasquez <angvp@archlinux.org>
# Contributor: Felix Yan <felixonmars@archlinux.org>
# Contributor: Stéphane Gaudreault <stephane@archlinux.org>
# Contributor: Allan McRae <allan@archlinux.org>
# Contributor: Jason Chu <jason@archlinux.org>

pkgname=python310
pkgver=3.10.14
pkgrel=2
_pymajver=3
_pybasever=${pkgver%.*}
pkgdesc="Next generation of the python high-level scripting language, version 3.10"
arch=('x86_64')
license=('custom')
url="https://www.python.org/"
depends=('bzip2' 'expat' 'gdbm' 'libffi' 'libnsl' 'libxcrypt' 'openssl' 'zlib')
makedepends=('tk' 'sqlite' 'bluez-libs' 'mpdecimal' 'llvm' 'gdb')
optdepends=('python-setuptools'
              'python-pip'
              'sqlite'
              'mpdecimal: for decimal'
              'xz: for lzma'
              'tk: for tkinter')
source=("https://www.python.org/ftp/python/${pkgver%rc*}/Python-${pkgver}.tar.xz")
sha256sums=('9c50481faa8c2832329ba0fc8868d0a606a680fc4f60ec48d26ce8e076751fda')
validpgpkeys=('A035C8C19219BA821ECEA86B64E628F8D684696D') # Pablo Galindo Salgado <pablogsal@gmail.com>
provides=("python=$pkgver")

prepare() {
  cd Python-${pkgver}

  # FS#23997
  sed -i -e "s|^#.* /usr/local/bin/python|#!/usr/bin/python|" Lib/cgi.py

  # Ensure that we are using the system copy of various libraries (expat, libffi, and libmpdec),
  # rather than copies shipped in the tarball
  rm -r Modules/expat
  rm -r Modules/_ctypes/{darwin,libffi}*
  rm -r Modules/_decimal/libmpdec
}

build() {
  cd Python-${pkgver}

  # PGO should be done with -O3
  CFLAGS="${CFLAGS/-O2/-O3} -ffat-lto-objects"

  # Disable bundled pip & setuptools
  ./configure \
              ax_cv_c_float_words_bigendian=no \
              --prefix=/usr \
              --enable-shared \
              --with-computed-gotos \
              --enable-optimizations \
              --with-lto \
              --enable-ipv6 \
              --with-system-expat \
              --with-dbmliborder=gdbm:ndbm \
              --with-system-ffi \
              --with-system-libmpdec \
              --enable-loadable-sqlite-extensions \
              --without-ensurepip \
              --with-tzpath=/usr/share/zoneinfo

  make EXTRA_CFLAGS="$CFLAGS"
}


package() {
  cd Python-${pkgver}

  # Hack to avoid building again
  sed -i 's/^all:.*$/all: build_all/' Makefile

  # PGO should be done with -O3
  CFLAGS="${CFLAGS/-O2/-O3}"

  make DESTDIR="${pkgdir}" EXTRA_CFLAGS="$CFLAGS"  altinstall maninstall

  # Split tests
  rm -r "$pkgdir"/usr/lib/python*/{test,ctypes/test,distutils/tests,idlelib/idle_test,lib2to3/tests,sqlite3/test,tkinter/test,unittest/test}

  # Avoid conflicts with the main 'python' package.
  rm -f "${pkgdir}/usr/lib/libpython${_pymajver}.so"
  rm -f "${pkgdir}/usr/share/man/man1/python${_pymajver}.1"

  # Clean-up reference to build directory
  sed -i "s|$srcdir/Python-${pkgver}:||" "$pkgdir/usr/lib/python${_pybasever}/config-${_pybasever}-${CARCH}-linux-gnu/Makefile"

  # some useful "stuff" FS#46146
  install -dm755 "${pkgdir}"/usr/lib/python${_pybasever}/Tools/{i18n,scripts}
  install -m755 Tools/i18n/{msgfmt,pygettext}.py "${pkgdir}"/usr/lib/python${_pybasever}/Tools/i18n/
  install -m755 Tools/scripts/{README,*py} "${pkgdir}"/usr/lib/python${_pybasever}/Tools/scripts/

  # License
  install -Dm644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
}