--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# XXX: atm, libbz2.a is always PIC :(, so it is always built quickly
+# (since we're building shared libs) ...
+
+EAPI=7
+
+inherit toolchain-funcs multilib-minimal
+
+DESCRIPTION="A high-quality data compressor used extensively by Gentoo Linux"
+HOMEPAGE="https://sourceware.org/bzip2/"
+SRC_URI="https://sourceware.org/pub/${PN}/${P}.tar.gz"
+
+LICENSE="BZIP2"
+SLOT="0/1" # subslot = SONAME
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd"
+IUSE="static static-libs"
+
+PATCHES=(
+ "${FILESDIR}"/${PN}-1.0.4-makefile-CFLAGS.patch
+ "${FILESDIR}"/${PN}-1.0.8-saneso.patch
+ "${FILESDIR}"/${PN}-1.0.4-man-links.patch #172986
+ "${FILESDIR}"/${PN}-1.0.6-progress.patch
+ "${FILESDIR}"/${PN}-1.0.3-no-test.patch
+ "${FILESDIR}"/${PN}-1.0.8-mingw.patch #393573
+ "${FILESDIR}"/${PN}-1.0.8-out-of-tree-build.patch
+)
+
+DOCS=( CHANGES README{,.COMPILATION.PROBLEMS,.XML.STUFF} manual.pdf )
+HTML_DOCS=( manual.html )
+
+src_prepare() {
+ default
+
+ # - Use right man path
+ # - Generate symlinks instead of hardlinks
+ # - pass custom variables to control libdir
+ sed -i \
+ -e 's:\$(PREFIX)/man:\$(PREFIX)/share/man:g' \
+ -e 's:ln -s -f $(PREFIX)/bin/:ln -s -f :' \
+ -e 's:$(PREFIX)/lib:$(PREFIX)/$(LIBDIR):g' \
+ Makefile || die
+}
+
+bemake() {
+ emake \
+ VPATH="${S}" \
+ CC="$(tc-getCC)" \
+ AR="$(tc-getAR)" \
+ RANLIB="$(tc-getRANLIB)" \
+ "$@"
+}
+
+multilib_src_compile() {
+ bemake -f "${S}"/Makefile-libbz2_so all
+ # Make sure we link against the shared lib #504648
+ ln -s libbz2.so.${PV} libbz2.so || die
+ bemake -f "${S}"/Makefile all LDFLAGS="${LDFLAGS} $(usex static -static '')"
+}
+
+multilib_src_install() {
+ into /usr
+
+ # Install the shared lib manually. We install:
+ # .x.x.x - standard shared lib behavior
+ # .x.x - SONAME some distros use #338321
+ # .x - SONAME Gentoo uses
+ dolib.so libbz2.so.${PV}
+ local v
+ for v in libbz2.so{,.{${PV%%.*},${PV%.*}}} ; do
+ dosym libbz2.so.${PV} /usr/$(get_libdir)/${v}
+ done
+ use static-libs && dolib.a libbz2.a
+
+ if multilib_is_native_abi ; then
+ gen_usr_ldscript -a bz2
+
+ dobin bzip2recover
+ into /
+ dobin bzip2
+ fi
+}
+
+multilib_src_install_all() {
+ # `make install` doesn't cope with out-of-tree builds, nor with
+ # installing just non-binaries, so handle things ourselves.
+ insinto /usr/include
+ doins bzlib.h
+ into /usr
+ dobin bz{diff,grep,more}
+ doman *.1
+
+ dosym bzdiff /usr/bin/bzcmp
+ dosym bzdiff.1 /usr/share/man/man1/bzcmp.1
+
+ dosym bzmore /usr/bin/bzless
+ dosym bzmore.1 /usr/share/man/man1/bzless.1
+
+ local x
+ for x in bunzip2 bzcat bzip2recover ; do
+ dosym bzip2.1 /usr/share/man/man1/${x}.1
+ done
+ for x in bz{e,f}grep ; do
+ dosym bzgrep /usr/bin/${x}
+ dosym bzgrep.1 /usr/share/man/man1/${x}.1
+ done
+
+ einstalldocs
+
+ # move "important" bzip2 binaries to /bin and use the shared libbz2.so
+ dosym bzip2 /bin/bzcat
+ dosym bzip2 /bin/bunzip2
+}
--- /dev/null
+--- bzip2-1.0.8/Makefile
++++ bzip2-1.0.8/Makefile
+@@ -54,7 +54,6 @@
+
+ check: test
+ test: bzip2
+- @cat words1
+ ./bzip2 -1 < sample1.ref > sample1.rb2
+ ./bzip2 -2 < sample2.ref > sample2.rb2
+ ./bzip2 -3 < sample3.ref > sample3.rb2
+@@ -67,7 +66,6 @@
+ cmp sample1.tst sample1.ref
+ cmp sample2.tst sample2.ref
+ cmp sample3.tst sample3.ref
+- @cat words3
+
+ install: bzip2 bzip2recover
+ if ( test ! -d $(PREFIX)/bin ) ; then mkdir -p $(PREFIX)/bin ; fi
+@@ -113,25 +111,8 @@
+ sample1.rb2 sample2.rb2 sample3.rb2 \
+ sample1.tst sample2.tst sample3.tst
+
+-blocksort.o: blocksort.c
+- @cat words0
+- $(CC) $(CFLAGS) -c blocksort.c
+-huffman.o: huffman.c
+- $(CC) $(CFLAGS) -c huffman.c
+-crctable.o: crctable.c
+- $(CC) $(CFLAGS) -c crctable.c
+-randtable.o: randtable.c
+- $(CC) $(CFLAGS) -c randtable.c
+-compress.o: compress.c
+- $(CC) $(CFLAGS) -c compress.c
+-decompress.o: decompress.c
+- $(CC) $(CFLAGS) -c decompress.c
+-bzlib.o: bzlib.c
+- $(CC) $(CFLAGS) -c bzlib.c
+-bzip2.o: bzip2.c
+- $(CC) $(CFLAGS) -c bzip2.c
+-bzip2recover.o: bzip2recover.c
+- $(CC) $(CFLAGS) -c bzip2recover.c
++%.o: %.c
++ $(CC) $(CFLAGS) -c $<
+
+
+ distclean: clean
+--- bzip2-1.0.8/Makefile-libbz2_so
++++ bzip2-1.0.8/Makefile-libbz2_so
+@@ -36,24 +36,10 @@
+
+ all: $(OBJS)
+ $(CC) $(LDFLAGS) -shared -Wl,-soname -Wl,libbz2.so.1.0 -o libbz2.so.1.0.8 $(OBJS)
+- $(CC) $(LDFLAGS) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.so.1.0.8
+- rm -f libbz2.so.1.0
+- ln -s libbz2.so.1.0.8 libbz2.so.1.0
++ ln -sf libbz2.so.1.0.8 libbz2.so.1.0
+
+ clean:
+ rm -f $(OBJS) bzip2.o libbz2.so.1.0.8 libbz2.so.1.0 bzip2-shared
+
+-blocksort.o: blocksort.c
+- $(CC) $(CFLAGS) -c blocksort.c
+-huffman.o: huffman.c
+- $(CC) $(CFLAGS) -c huffman.c
+-crctable.o: crctable.c
+- $(CC) $(CFLAGS) -c crctable.c
+-randtable.o: randtable.c
+- $(CC) $(CFLAGS) -c randtable.c
+-compress.o: compress.c
+- $(CC) $(CFLAGS) -c compress.c
+-decompress.o: decompress.c
+- $(CC) $(CFLAGS) -c decompress.c
+-bzlib.o: bzlib.c
+- $(CC) $(CFLAGS) -c bzlib.c
++%.o: %.c
++ $(CC) $(CFLAGS) -c $<