2019-05-14 20:05:50 +00:00
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#!/bin/sh -e
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2019-05-14 11:02:11 +00:00
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2021-06-30 10:19:00 +00:00
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for patch in patch/*.patch; do
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2020-02-20 19:15:54 +00:00
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patch -p1 < "$patch"
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done
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2020-02-20 18:11:13 +00:00
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2020-11-19 07:51:06 +00:00
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# Remove forced gcc/g++ usage so builds work on gcc-less systems.
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2021-07-03 20:17:40 +00:00
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sed -e "s#= g[c+][c+]#= ${CC:=cc}#g" \
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-e "s#\(\$(CROSS_COMPILE)\)gcc#\1${CC}#g" Makefile > _
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mv -f _ Makefile
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2020-11-19 07:51:06 +00:00
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2021-07-12 17:24:39 +00:00
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case $("$CC" --version) in *clang*)
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# Disable UB based optimizations which are optimized out by
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# clang and become null pointer dereferences(?).
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patch -p1 < patch-clang/fix-UB.patch
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# Ensure that busybox's build system is aware that 'cc' may point
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# to clang rather than GCC. This is the case in non-GCC systems.
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2021-07-03 20:17:40 +00:00
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sed "s&\(\$(CC),\)clang&\1${CC}&g" Makefile.flags > _
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mv -f _ Makefile.flags
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2020-11-19 09:27:12 +00:00
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esac
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2019-08-25 17:46:59 +00:00
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# Build and install regular busybox.
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# This excludes utilities which require 'suid' to function.
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2020-11-19 09:32:27 +00:00
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make CC="$CC" HOSTCC="$CC"
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2019-08-25 17:46:59 +00:00
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make CONFIG_PREFIX="$1/usr" install
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2019-06-30 15:47:11 +00:00
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2019-08-25 17:46:59 +00:00
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# Rename the binary temporarily.
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mv "$1/usr/bin/busybox" "$1/usr/bin/busybox-nosuid"
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2019-07-20 16:56:09 +00:00
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2019-08-25 17:46:59 +00:00
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# Build and install suid busybox.
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# This _only_ includes utlities which require 'suid' to function.
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cp -f .config-suid .config
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2020-11-19 09:32:27 +00:00
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make CC="$CC" HOSTCC="$CC"
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2019-08-25 17:46:59 +00:00
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make CONFIG_PREFIX="$1/usr" install
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# Aptly name the busybox binaries.
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2020-04-22 16:27:33 +00:00
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mv -f "$1/usr/bin/busybox" "$1/usr/bin/busybox-suid"
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mv -f "$1/usr/bin/busybox-nosuid" "$1/usr/bin/busybox"
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2019-08-25 17:46:59 +00:00
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# Install the non-suid symlinks.
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"$1/usr/bin/busybox" --list | while read -r bin; do
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ln -s busybox "$1/usr/bin/$bin"
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done
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2019-08-11 01:43:31 +00:00
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2019-08-25 17:46:59 +00:00
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# Install the suid symlinks.
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"$1/usr/bin/busybox-suid" --list | while read -r bin; do
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ln -s busybox-suid "$1/usr/bin/$bin"
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done
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# Set suid on busybox suid.
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2019-09-02 07:03:11 +00:00
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chmod u+s "$1/usr/bin/busybox-suid"
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2019-08-25 17:46:59 +00:00
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2020-05-17 06:13:58 +00:00
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# The acpid command requires that this directory exist
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# and does not automatically create it..
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mkdir -p "$1/etc/acpid"
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2019-08-25 17:46:59 +00:00
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# Install runit services.
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2021-07-01 16:03:35 +00:00
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for s in acpid crond syslogd mdev ntpd; do
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mkdir -p "$1/etc/sv/$s"
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cp -f "$s.run" "$1/etc/sv/$s/run"
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ln -sf "/run/runit/supervise.$s" "$1/etc/sv/$s/supervise"
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done
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2020-01-20 07:54:08 +00:00
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2021-07-01 16:03:35 +00:00
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cp -f mdev.conf "$1/etc/mdev.conf"
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