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authorP. J. McDermott <pehjota>2012-07-09 23:03:00 (EDT)
committer P. J. McDermott <pjm@nac.net>2012-07-09 23:03:00 (EDT)
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Document core-linux-eglibc bootstrap plan.
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+[[!meta title="Bootstrap of the core-linux-eglibc Port"]]
+
+Following is the planned procedure to bootstrap the core-linux-eglibc port from
+a Debian GNU system. Debian's GNU toolchain for its amd64 architecture is used
+to build a fake generic port named amd64-linux-eglibc.
+
+This procedure assumes that Debian's build-essential package is installed, that
+opkhelper 1.0.0 is installed, that genopkg.sh from opkhelper 1.0.0 has been run,
+and that the following architecture table is present at
+`/usr/local/share/opkhelper/archtab`:
+
+ # Map between distro architecture strings and GNU system types.
+ #
+ # <Distribution arch> <GNU system type>
+ i686-linux-eglibc i686-pc-linux-gnu
+ core-linux-eglibc x86_64-pc-linux-gnu
+ k8-linux-eglibc x86_64-pc-linux-gnu
+ cortexa8-linux-eglibc arm-cortex_a8-linux-gnueabi
+
+Subsequent ports may simply be built from the core-linux-eglibc port.
+
+1. Build the following base system packages for amd64-linux-eglibc using
+ Debian's GNU toolchain:
+
+ * src:eglibc
+ * src:busybox
+ * src:linux-libre
+ * src:opkg
+
+2. Build the following build essential packages for amd64-linux-eglibc using
+ Debian's GNU toolchain:
+
+ * src:binutils
+ * src:gmp
+ * src:mpfr
+ * src:mpc
+ * src:gcc-4.7
+ * src:gcc-defaults
+ * src:opkhelper-1.0
+ * src:build-essential
+ * src:fakeroot
+
+ Build src:binutils and src:gcc-4.7 with a core-linux-eglibc target.
+
+3. Unpack the following essential binary packages into the target directory:
+
+ * libc.6
+ * libc-bin
+ * locales
+ * nscd
+ * zoneinfo
+ * busybox
+ * linux-libre
+ * libopkg.1
+ * opkg
+
+4. Unpack the following build essential binary packages into the target
+ directory:
+
+ * libc.6-dev
+ * libc-dev-bin
+ * linux-libre-headers
+ * libgmp.10
+ * libgmp-dev
+ * libmpfr.4
+ * libmpfr-dev
+ * libmpc.2
+ * libmpc-dev
+ * gcc-4.7-base-core-linux-eglibc
+ * cpp-4.7-core-linux-eglibc
+ * gcc-4.7-core-linux-eglibc
+ * g++-4.7-core-linux-eglibc
+ * libgcc.1
+ * libstdc++.6
+ * libstdc++.6-4.7-dev
+ * cpp-core-linux-eglibc
+ * gcc-core-linux-eglibc
+ * g++-core-linux-eglibc
+ * opkhelper-1.0
+ * fakeroot
+ * build-essential-core-linux-eglibc
+
+5. Unpack the following source binary packages into the target directory:
+
+ * eglibc-src
+ * busybox-src
+ * linux-libre-src
+ * opkg-src
+ * binutils-src
+ * gmp-src
+ * mpfr-src
+ * mpc-src
+ * gcc-4.7-src
+ * gcc-defaults-src
+ * opkhelper-1.0-src
+ * build-essential-src
+
+6. Mount the proc and sysfs filesystems.
+
+7. Run `/bin/sh` in an isolated environment with chroot.
+
+8. Run the following command to rebuild every source package for
+ core-linux-eglibc:
+
+ # for src in /usr/src/*; do \
+ > cd "${src}"; \
+ > opkbuild -a core-linux-eglibc; \
+ > done
+
+9. Exit ash and the isolated environment.
+
+10. Collect from `usr/src` in the target directory the binary packages built for
+ core-linux-eglibc.