+# Cross-compile bzip2.
+stage3-chroot/usr/bin/bzip2: bzip2-$(BZIP2_VERSION).tar.gz
+ rm -rf bzip2-$(BZIP2_VERSION)
+ tar -zxf $^
+ cd bzip2-$(BZIP2_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ make libbz2.a bzip2 bzip2recover \
+ PREFIX=/usr \
+ CC=riscv64-unknown-linux-gnu-gcc \
+ AR=riscv64-unknown-linux-gnu-ar \
+ RANLIB=riscv64-unknown-linux-gnu-ranlib \
+ CFLAGS="-Wall -Winline -O2 -g -D_FILE_OFFSET_BITS=64 -fPIC"
+ cd bzip2-$(BZIP2_VERSION) && \
+ make install PREFIX=$(ROOT)/stage3-chroot/usr
+
+bzip2-$(BZIP2_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t http://www.bzip.org/1.0.6/bzip2-$(BZIP2_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile GNU make.
+stage3-chroot/usr/bin/make: make-$(MAKE_VERSION).tar.gz
+ rm -rf make-$(MAKE_VERSION)
+ tar -zxf $^
+ cd make-$(MAKE_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64
+ cd make-$(MAKE_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make
+ cd make-$(MAKE_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
+
+make-$(MAKE_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t https://ftp.gnu.org/gnu/make/make-$(MAKE_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile GNU diffutils.
+stage3-chroot/usr/bin/diff: diffutils-$(DIFFUTILS_VERSION).tar.xz
+ rm -rf diffutils-$(DIFFUTILS_VERSION)
+ tar -Jxf $^
+ cd diffutils-$(DIFFUTILS_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64
+ cd diffutils-$(DIFFUTILS_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make
+ cd diffutils-$(DIFFUTILS_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
+
+diffutils-$(DIFFUTILS_VERSION).tar.xz:
+ rm -f $@ $@-t
+ wget -O $@-t https://ftp.gnu.org/gnu/diffutils/diffutils-$(DIFFUTILS_VERSION).tar.xz
+ mv $@-t $@
+
+# Cross-compile GNU findutils.
+stage3-chroot/usr/bin/find: findutils-$(FINDUTILS_VERSION).tar.gz
+ rm -rf findutils-$(FINDUTILS_VERSION)
+ tar -zxf $^
+ cd findutils-$(FINDUTILS_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64
+ cd findutils-$(FINDUTILS_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make
+ cd findutils-$(FINDUTILS_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
+
+findutils-$(FINDUTILS_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t https://ftp.gnu.org/gnu/findutils/findutils-$(FINDUTILS_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile GNU sed.
+stage3-chroot/usr/bin/sed: sed-$(SED_VERSION).tar.gz
+ rm -rf sed-$(SED_VERSION)
+ tar -zxf $^
+ cd sed-$(SED_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64
+ cd sed-$(SED_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make
+ cd sed-$(SED_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
+
+sed-$(SED_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t https://ftp.gnu.org/gnu/sed/sed-$(SED_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile patch.
+stage3-chroot/usr/bin/patch: patch-$(PATCH_VERSION).tar.gz
+ rm -rf patch-$(PATCH_VERSION)
+ tar -zxf $^
+ cd patch-$(PATCH_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64
+ cd patch-$(PATCH_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make
+ cd patch-$(PATCH_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
+
+patch-$(PATCH_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t https://ftp.gnu.org/gnu/patch/patch-$(PATCH_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile hostname.
+stage3-chroot/usr/bin/hostname: hostname-$(HOSTNAME_VERSION).tar.gz
+ rm -rf hostname-$(HOSTNAME_VERSION)
+ tar -zxf $^
+ cd hostname && patch -p1 < ../hostname-rh.patch
+ cd hostname && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ make \
+ CC=riscv64-unknown-linux-gnu-gcc \
+ CFLAGS="-O2 -g"
+ cd hostname && make install BASEDIR=$(ROOT)/stage3-chroot
+
+hostname-$(HOSTNAME_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t http://ftp.de.debian.org/debian/pool/main/h/hostname/hostname_$(HOSTNAME_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile GNU gettext.
+stage3-chroot/usr/bin/gettext: gettext-$(GETTEXT_VERSION).tar.gz
+ rm -rf gettext-$(GETTEXT_VERSION)
+ tar -zxf $^
+ cd gettext-$(GETTEXT_VERSION) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64
+ cd gettext-$(GETTEXT_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make
+ cd gettext-$(GETTEXT_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make install DESTDIR=$(ROOT)/stage3-chroot
+ rm -f stage3-chroot/usr/lib64/*.la
+
+gettext-$(GETTEXT_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t https://ftp.gnu.org/gnu/gettext/gettext-$(GETTEXT_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile lua.
+stage3-chroot/usr/bin/lua: lua-$(LUA_VERSION).tar.gz
+ rm -rf lua-$(LUA_VERSION)
+ tar -zxf $^
+ cd lua-$(LUA_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make PLAT=linux INSTALL_TOP=/usr CC=riscv64-unknown-linux-gnu-gcc AR="riscv64-unknown-linux-gnu-ar rcu" RANLIB="riscv64-unknown-linux-gnu-ranlib" MYLDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 MYLIBS=-ltinfo MYCFLAGS="-fPIC -DLUA_COMPAT_5_1"
+ cd lua-$(LUA_VERSION) && PATH=$(ROOT)/fixed-gcc:$$PATH make install INSTALL_TOP=$(ROOT)/stage3-chroot/usr INSTALL_LIB=$(ROOT)/stage3-chroot/usr/lib64
+
+lua-$(LUA_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t https://www.lua.org/ftp/lua-$(LUA_VERSION).tar.gz
+ mv $@-t $@
+
+# Cross-compile RPM / rpmbuild.
+# We build this from a git commit, with a few hacks to the configure
+# script.
+stage3-chroot/usr/bin/rpm: rpm-$(RPM_SHORT_COMMIT).tar.gz db-$(BDB_VERSION).tar.gz
+ rm -rf rpm-$(RPM_SHORT_COMMIT)
+ tar -zxf rpm-$(RPM_SHORT_COMMIT).tar.gz
+ tar -zxf db-$(BDB_VERSION).tar.gz -C rpm-$(RPM_SHORT_COMMIT)
+ cd rpm-$(RPM_SHORT_COMMIT) && ln -s db-$(BDB_VERSION) db
+ cd rpm-$(RPM_SHORT_COMMIT) && \
+ patch -p1 < ../0001-RISCV-64-bit-riscv64-support.patch && \
+ patch -p1 < ../0002-build-fgetc-returns-int-not-char.patch && \
+ patch -p1 < ../0003-HACKS-TO-GET-RPM-TO-CROSS-COMPILE.patch
+ cd rpm-$(RPM_SHORT_COMMIT) && autoreconf -i
+ cd rpm-$(RPM_SHORT_COMMIT) && \
+ PATH=$(ROOT)/fixed-gcc:$$PATH \
+ LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
+ ./configure \
+ --host=riscv64-unknown-linux-gnu \
+ --prefix=/usr --libdir=/usr/lib64 \
+ --disable-rpath \
+ --with-vendor=redhat \
+ --without-libarchive \
+ --with-lua \
+ --with-beecrypt \
+ --without-archive \
+ --without-external-db \
+ --enable-ndb \
+ --disable-plugins
+ cd rpm-$(RPM_SHORT_COMMIT) && PATH=$(ROOT)/fixed-gcc:$$PATH make V=1
+ cd rpm-$(RPM_SHORT_COMMIT) && PATH=$(ROOT)/fixed-gcc:$$PATH make install DESTDIR=$(ROOT)/stage3-chroot
+ rm -f stage3-chroot/usr/lib64/*.la
+
+rpm-$(RPM_SHORT_COMMIT).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t 'http://rpm.org/gitweb?p=rpm.git;a=snapshot;h=$(RPM_COMMIT);sf=tgz'
+ mv $@-t $@
+
+db-$(BDB_VERSION).tar.gz:
+ rm -f $@ $@-t
+ wget -O $@-t http://download.oracle.com/berkeley-db/db-$(BDB_VERSION).tar.gz
+ mv $@-t $@
+