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+# Maintainer: Árni Dagur <arnidg@protonmail.ch>
+# Adapted from original package by: Ronald van Haren <ronald.archlinux.org>
+pkgname=bzip2-with-lbzip2-symlinks
+pkgver=1.0.6
+pkgrel=1
+pkgdesc="bzip2 with binaries symbolically linked to their lbzip2 equivalents"
+arch=('x86_64')
+license=('custom')
+url="http://sources.redhat.com/bzip2"
+depends=('lbzip2' 'glibc' 'sh')
+provides=("bzip2=$pkgver")
+conflicts=('bzip2')
+source=(https://sources.archlinux.org/other/packages/bzip2/bzip2-$pkgver.tar.gz
+        bzip2-1.0.4-bzip2recover.patch
+        fix-heap-use-after-free-bzip2recover.patch::https://gitweb.gentoo.org/repo/gentoo.git/plain/app-arch/bzip2/files/bzip2-1.0.6-CVE-2016-3189.patch)
+sha256sums=('a2848f34fcd5d6cf47def00461fcb528a0484d8edef8208d6d2e2909dc61d9cd'
+            '0585fb92a4b409404147a3f940ed2ca03b3eaed1ec4fb68ae6ad74db668bea83'
+            'e8792b2c7943486ab35893ffd9e638bbf2edbcab4f9f7b87544519bb3564af41')
+        
+build() {
+  cd "$srcdir/bzip2-$pkgver"
+
+  # add large-file support
+  sed -e 's/^CFLAGS=\(.*\)$/CFLAGS=\1 \$(BIGFILES)/' -i ./Makefile-libbz2_so
+
+  # use our optimization
+  sed -i "s|-O2|${CFLAGS}|g" Makefile
+  sed -i "s|-O2|${CFLAGS}|g" Makefile-libbz2_so
+
+  patch -Np1 < ../bzip2-1.0.4-bzip2recover.patch
+  # CVE-2016-3189
+  patch -Np1 -i "${srcdir}/fix-heap-use-after-free-bzip2recover.patch"
+
+  make -f Makefile-libbz2_so
+  make bzip2recover
+}
+
+check() {
+  cd "$srcdir/bzip2-$pkgver"
+  make test
+}
+
+package() {
+  cd "$srcdir/bzip2-$pkgver"
+
+  install -dm755 $pkgdir/usr/{bin,lib,include,share/man/man1}
+
+  # We symlink bzip2, bunzip2, and bzcat to lbzip2
+  ln -sf lbzip2 $pkgdir/usr/bin/bzip2
+  ln -sf lbzip2 $pkgdir/usr/bin/bunzip2
+  ln -sf lbzip2 $pkgdir/usr/bin/bzcat
+
+  # The rest is installed as normal
+  install -m755 bzip2recover bzdiff bzgrep bzmore $pkgdir/usr/bin
+
+  install -m755 libbz2.so.1.0.6 $pkgdir/usr/lib
+  ln -s libbz2.so.1.0.6 $pkgdir/usr/lib/libbz2.so
+  ln -s libbz2.so.1.0.6 $pkgdir/usr/lib/libbz2.so.1
+  ln -s libbz2.so.1.0.6 $pkgdir/usr/lib/libbz2.so.1.0
+
+  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 $srcdir/bzip2-${pkgver}/LICENSE \
+                 $pkgdir/usr/share/licenses/${pkgname}/LICENSE
+}