pkgname=bzip2
pkgver=1.0.8
pkgrel=4
pkgdesc="A high-quality data compression program"
arch=('x86_64')
license=('custom')
url="https://sourceware.org/bzip2/"
groups=('base')
depends=('glibc')
source=("https://sourceware.org/pub/bzip2/bzip2-${pkgver}.tar.gz")
md5sums=('67e051268d0c475ea773822f7500d0e5')

build() {
  cd ${pkgname}-${pkgver}

  # add large-file support
  sed -e 's/^CFLAGS=\(.*\)$/CFLAGS=\1 \$(BIGFILES)/' -i ./Makefile-libbz2_so

  # use optimization
  sed -i "s|-O2|${CFLAGS}|g" Makefile
  sed -i "s|-O2|${CFLAGS}|g" Makefile-libbz2_so

  make -f Makefile-libbz2_so
  make bzip2recover libbz2.a
}

check() {
  cd ${pkgname}-${pkgver}

  make test
}

package() {
  cd ${pkgname}-${pkgver}

  install -dm755 ${pkgdir}/usr/{bin,lib,include,share/man/man1}

  install -m755 bzip2-shared ${pkgdir}/usr/bin/bzip2
  install -m755 bzip2recover bzdiff bzgrep bzmore ${pkgdir}/usr/bin
  ln -sf bzip2 ${pkgdir}/usr/bin/bunzip2
  ln -sf bzip2 ${pkgdir}/usr/bin/bzcat

  install -m755 libbz2.so.1.0.8 ${pkgdir}/usr/lib
  ln -s libbz2.so.1.0.8 ${pkgdir}/usr/lib/libbz2.so
  ln -s libbz2.so.1.0.8 ${pkgdir}/usr/lib/libbz2.so.1
  ln -s libbz2.so.1.0.8 ${pkgdir}/usr/lib/libbz2.so.1.0
  install -m644 libbz2.a ${pkgdir}/usr/lib/libbz2.a

  install -m644 bzlib.h ${pkgdir}/usr/include/

  install -m644 bzip2.1 ${pkgdir}/usr/share/man/man1/
  ln -sf bzip2.1 ${pkgdir}/usr/share/man/man1/bunzip2.1
  ln -sf bzip2.1 ${pkgdir}/usr/share/man/man1/bzcat.1
  ln -sf bzip2.1 ${pkgdir}/usr/share/man/man1/bzip2recover.1

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