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1a0fcaccf574967ad3434edc0925b7b992e968fd
patches/toybox/toybox-0.8.13-posix-shell.patch
T
SFG545 aac5d72fe4 initial commit
2026-05-26 02:08:47 -05:00

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--- a/configure
+++ b/configure
@@ -1,10 +1,10 @@
-#!/bin/bash
+#!/bin/sh
# set environment variables used by scripts/make.sh
# People run ./configure out of habit, so do "defconfig" for them.
-if [ "$(basename "$0")" == configure ]
+if [ "$(basename "$0")" = configure ]
then
echo "Assuming you want 'make defconfig', but you should probably check the README."
make defconfig
@@ -12,8 +12,12 @@
fi
# Warn about stuff, disable stupid warnings, be 8-bit clean for utf8.
-[ "${CFLAGS/-funsigned-char//}" == "$CFLAGS" ] &&
- CFLAGS+=" -Wall -Wundef -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -funsigned-char"
+case " ${CFLAGS-} " in
+ *" -funsigned-char "*) ;;
+ *)
+ CFLAGS="${CFLAGS-} -Wall -Wundef -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -funsigned-char"
+ ;;
+esac
# Set default values if variable not already set
: ${CC:=cc} ${HOSTCC:=cc} ${GENDIR:=generated} ${KCONFIG_CONFIG:=.config}
--- a/scripts/portability.sh
+++ b/scripts/portability.sh
@@ -1,6 +1,6 @@
# sourced to find alternate names for things
-source ./configure
+. ./configure
if [ -z "$(command -v "$CROSS_COMPILE$CC")" ]
then
@@ -8,15 +8,20 @@
exit 1
fi
-if [ -z "$SED" ]
+if [ -z "${SED:-}" ]
then
- [ ! -z "$(command -v gsed 2>/dev/null)" ] && SED=gsed || SED=sed
+ if command -v gsed >/dev/null 2>&1
+ then
+ SED=gsed
+ else
+ SED=sed
+ fi
fi
# Tell linker to do dead code elimination at function level
-if [ "$(uname)" == "Darwin" ]
+if [ "$(uname)" = "Darwin" ]
then
- CFLAGS+=" -Wno-deprecated-declarations"
+ CFLAGS="${CFLAGS} -Wno-deprecated-declarations"
: ${LDOPTIMIZE:=-Wl,-dead_strip} ${STRIP:=strip}
else
: ${LDOPTIMIZE:=-Wl,--gc-sections -Wl,--as-needed} ${STRIP:=strip -s -R .note* -R .comment}
@@ -24,9 +29,9 @@
# Disable pointless warnings only clang produces
[ -n "$("$CROSS_COMPILE$CC" --version | grep -w clang)" ] &&
- CFLAGS+=" -Wno-string-plus-int -Wno-invalid-source-encoding" ||
+ CFLAGS="${CFLAGS} -Wno-string-plus-int -Wno-invalid-source-encoding" ||
# And ones only gcc produces
- CFLAGS+=" -Wno-restrict -Wno-format-overflow"
+ CFLAGS="${CFLAGS} -Wno-restrict -Wno-format-overflow"
# Address Sanitizer
if [ -n "$ASAN" ]; then
@@ -55,9 +60,10 @@
# Run a C file from scripts/*.c using $HOSTCC as necessary
brun() {
- [ ! -e "$UNSTRIPPED"/$1 -o "$UNSTRIPPED"/$1 -ot scripts/$1.c ] &&
+ tool=$1
+ shift
+ [ ! -e "$UNSTRIPPED"/$tool -o "$UNSTRIPPED"/$tool -ot scripts/$tool.c ] &&
{ mkdir -p "$UNSTRIPPED" &&
- do_loudly $HOSTCC scripts/$1.c -o "$UNSTRIPPED"/$1 || exit 1; }
- do_loudly "$UNSTRIPPED"/$1 "${@:2}"
+ do_loudly $HOSTCC scripts/$tool.c -o "$UNSTRIPPED"/$tool || exit 1; }
+ do_loudly "$UNSTRIPPED"/$tool "$@"
}
-
--- a/scripts/genconfig.sh
+++ b/scripts/genconfig.sh
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
# This has to be a separate file from scripts/make.sh so it can be called
# before menuconfig. (It's called again from scripts/make.sh just to be sure.)
-source scripts/portability.sh
+. scripts/portability.sh
mkdir -p "$GENDIR"
@@ -16,9 +16,11 @@
# Symbol name is first argument, flags second, feed C file to stdin
probesymbol()
{
- probecc "${@:2}" 2>/dev/null && DEFAULT=y || DEFAULT=n
+ symbol=$1
+ shift
+ probecc "$@" 2>/dev/null && DEFAULT=y || DEFAULT=n
rm a.out 2>/dev/null
- echo -e "config $1\n\tbool\n\tdefault $DEFAULT\n" || exit 1
+ printf 'config %s\n\tbool\n\tdefault %s\n\n' "$symbol" "$DEFAULT" || exit 1
}
probeconfig()
@@ -35,7 +37,7 @@
#include <unistd.h>
int main(int argc, char *argv[]) { return fork(); }
EOF
- echo -e '\tdepends on !TOYBOX_FORCE_NOMMU'
+ printf '\tdepends on !TOYBOX_FORCE_NOMMU\n'
}
genconfig()
@@ -77,20 +79,22 @@
toys toys/*/*.c | (
while IFS=":" read FILE NAME
do
- echo -e "test_$NAME:\n\tscripts/test.sh $NAME\n"
- [ "$NAME" == help ] && continue
- [ "$NAME" == install ] && continue
- [ "$NAME" == sh ] && FILE="toys/*/*.c"
- echo -e "$NAME: $FILE *.[ch] lib/*.[ch]\n\tscripts/single.sh $NAME\n"
- [ "${FILE/example//}" != "$FILE" ] && EXAMPLE="$EXAMPLE $NAME" ||
- [ "${FILE/pending//}" != "$FILE" ] && PENDING="$PENDING $NAME" ||
- WORKING="$WORKING $NAME"
+ printf 'test_%s:\n\tscripts/test.sh %s\n\n' "$NAME" "$NAME"
+ [ "$NAME" = help ] && continue
+ [ "$NAME" = install ] && continue
+ [ "$NAME" = sh ] && FILE="toys/*/*.c"
+ printf '%s: %s *.[ch] lib/*.[ch]\n\tscripts/single.sh %s\n\n' "$NAME" "$FILE" "$NAME"
+ case $FILE in
+ *example*) EXAMPLE="$EXAMPLE $NAME" ;;
+ *pending*) PENDING="$PENDING $NAME" ;;
+ *) WORKING="$WORKING $NAME" ;;
+ esac
done &&
-echo -e "clean::\n\t@rm -f $WORKING $PENDING" &&
-echo -e "list:\n\t@echo $(echo $WORKING | tr ' ' '\n' | sort | xargs)" &&
-echo -e "list_example:\n\t@echo $(echo $EXAMPLE | tr ' ' '\n' | sort | xargs)"&&
-echo -e "list_pending:\n\t@echo $(echo $PENDING | tr ' ' '\n' | sort | xargs)"&&
-echo -e ".PHONY: $WORKING $PENDING" | $SED 's/ \([^ ]\)/ test_\1/g'
+printf 'clean::\n\t@rm -f%s%s\n' "$WORKING" "$PENDING" &&
+printf 'list:\n\t@echo %s\n' "$(echo "$WORKING" | tr ' ' '\n' | sort | xargs)" &&
+printf 'list_example:\n\t@echo %s\n' "$(echo "$EXAMPLE" | tr ' ' '\n' | sort | xargs)" &&
+printf 'list_pending:\n\t@echo %s\n' "$(echo "$PENDING" | tr ' ' '\n' | sort | xargs)" &&
+printf '.PHONY:%s%s\n' "$WORKING" "$PENDING" | $SED 's/ \([^ ]\)/ test_\1/g'
) > .singlemake
brun kconfig -h > "$GENDIR"/help.h || exit 1
--- a/scripts/make.sh
+++ b/scripts/make.sh
@@ -1,50 +1,16 @@
-#!/bin/bash
+#!/bin/sh
# Grab default values for $CFLAGS and such.
-set -o pipefail
-source scripts/portability.sh
-
-# Shell functions called by the build
-
-DASHN=-n
-true & wait -n 2>/dev/null || { wait; unset DASHN; }
-ratelimit()
-{
- if [ "$#" -eq 0 ]
- then
- [ -z "$DASHN" ] && PIDS="$PIDS$! "
- [ $((++COUNT)) -lt $CPUS ] && return 0
- fi
- ((--COUNT))
- if [ -n "$DASHN" ]
- then
- wait -n
- DONE=$(($DONE+$?))
- else
- # MacOS uses an ancient version of bash which hasn't got "wait -n", and
- # wait without arguments always returns 0 instead of process exit code.
- # This keeps $CPUS less busy when jobs finish out of order.
- wait ${PIDS%% *}
- DONE=$(($DONE+$?))
- PIDS=${PIDS#* }
- fi
-
- return $DONE
-}
-
-# Respond to V= by echoing command lines as well as running them
-do_loudly()
-{
- { [ -n "$V" ] && echo "$@" || echo -n "$DOTPROG" ; } >&2
- "$@"
-}
+. scripts/portability.sh
# Is anything under directory $2 newer than generated/$1 (or does it not exist)?
isnewer()
{
- [ -e "$GENDIR/$1" ] && [ -z "$(find "${@:2}" -newer "$GENDIR/$1")" ] &&
+ target=$1
+ shift
+ [ -e "$GENDIR/$target" ] && [ -z "$(find "$@" -newer "$GENDIR/$target")" ] &&
return 1
- echo -n "${DIDNEWER:-$GENDIR/{}$1"
+ printf '%s' "${DIDNEWER:-$GENDIR/{}}$target"
DIDNEWER=,
}
@@ -64,16 +30,18 @@
[ -z "$V" ] && X=/dev/null || X=/dev/stderr
for i in util crypt m resolv selinux smack attr crypto z log iconv tls ssl
do
- do_loudly ${CROSS_COMPILE}${CC} $CFLAGS $LDFLAGS -xc - -l$i >>$X 2>&1 \
- -o /dev/null <<<"int main(int argc,char*argv[]){return 0;}" &&
- echo -l$i &
+ printf '%s\n' 'int main(int argc,char*argv[]){return 0;}' |
+ do_loudly ${CROSS_COMPILE}${CC} $CFLAGS $LDFLAGS -xc - -l$i >>$X 2>&1 \
+ -o /dev/null && echo -l$i &
done | sort | xargs
)
# Actually resolve dangling dependencies in extra libraries when static linking
-[ -n "$LIBRARIES" ] && [ "$LDFLAGS" != "${LDFLAGS/-static/}" ] &&
- LIBRARIES="-Wl,--start-group $LIBRARIES -Wl,--end-group"
+[ -n "$LIBRARIES" ] &&
+case $LDFLAGS in
+ *-static*) LIBRARIES="-Wl,--start-group $LIBRARIES -Wl,--end-group" ;;
+esac
-[ -z "$VERSION" ] && [ -d ".git" ] && [ -n "$(which git 2>/dev/null)" ] &&
+[ -z "$VERSION" ] && [ -d ".git" ] && command -v git >/dev/null 2>&1 &&
VERSION="$(git describe --tags --abbrev=12 2>/dev/null)"
# Set/record build environment information
@@ -93,33 +61,42 @@
# Make sure rm -rf isn't gonna go funny
B="$(readlink -f "$PWD")/" A="$(readlink -f "$GENDIR")" A="${A%/}"/
-[ "$A" == "${B::${#A}}" ] &&
- { echo "\$GENDIR=$GENDIR cannot include \$PWD=$PWD"; exit 1; }
+case $B in
+ "$A"*)
+ echo "\$GENDIR=$GENDIR cannot include \$PWD=$PWD"
+ exit 1
+ ;;
+esac
unset A B DOTPROG DIDNEWER
# Force full rebuild if our compiler/linker options changed
-cmp -s <(compflags | grep '#d') <(grep '%d' "$GENDIR"/build.sh 2>/dev/null) ||
- rm -rf "$GENDIR"/* # Keep symlink, delete contents
+new_build=$(mktemp)
+old_build=$(mktemp)
+compflags | grep '#d' > "$new_build"
+grep '#d' "$GENDIR"/build.sh 2>/dev/null > "$old_build" || :
+cmp -s "$new_build" "$old_build" || rm -rf "$GENDIR"/* # Keep symlink, delete contents
+rm -f "$new_build" "$old_build"
mkdir -p "$UNSTRIPPED" "$(dirname $OUTNAME)" || exit 1
# Extract a list of toys/*/*.c files to compile from the data in $KCONFIG_CONFIG
# (First command names, then filenames with relevant {NEW,OLD}TOY() macro.)
-[ -n "$V" ] && echo -e "\nWhich C files to build..."
+[ -n "$V" ] && printf '\nWhich C files to build...\n'
TOYFILES="$($SED -n 's/^CONFIG_\([^=]*\)=.*/\1/p' "$KCONFIG_CONFIG" | xargs | tr ' ' '|')"
TOYFILES="main.c $(egrep -l "^USE_($TOYFILES)[(]...TOY[(]" toys/*/*.c | xargs)"
-if [ "${TOYFILES/pending//}" != "$TOYFILES" ]
-then
- echo -e "\n\033[1;31mwarning: using unfinished code from toys/pending\033[0m"
-fi
+case $TOYFILES in
+ *pending*)
+ printf '\n\033[1;31mwarning: using unfinished code from toys/pending\033[0m\n'
+ ;;
+esac
# Write build variables (and set them locally), then append build invocation.
-compflags > "$GENDIR"/build.sh && source "$GENDIR/build.sh" &&
+compflags > "$GENDIR"/build.sh && . "$GENDIR"/build.sh &&
{
- echo FILES=$'"\n'"$(fold -s <<<"$TOYFILES")"$'\n"' &&
+ printf 'FILES="\n%s\n"\n' "$(printf '%s\n' "$TOYFILES" | fold -s)" &&
echo &&
- echo -e "\$BUILD lib/*.c \$FILES \$LINK -o $OUTNAME"
+ printf '%s\n' "\$BUILD lib/*.c \$FILES \$LINK -o $OUTNAME"
} >> "$GENDIR"/build.sh &&
chmod +x "$GENDIR"/build.sh || exit 1
@@ -133,7 +110,7 @@
B="$(egrep "^CONFIG_($(echo "$A" | sed 's/=[yn]//' | xargs | tr ' ' '|'))=" "$KCONFIG_CONFIG" | $SED 's/^CONFIG_//' | sort)"
A="$(echo "$A" | grep -v =n)"
[ "$A" != "$B" ] &&
- { echo -e "\nWarning: Config.probed changed, run 'make oldconfig'" >&2; }
+ { printf "\nWarning: Config.probed changed, run 'make oldconfig'\n" >&2; }
unset A B
# Create a list of all the commands toybox can provide.
@@ -171,7 +148,7 @@
echo "#define NEWTOY(aa,bb,cc) aa $I bb"
echo '#define OLDTOY(...)'
- if [ "$I" == A ]
+ if [ "$I" = A ]
then
cat "$GENDIR"/config.h
else
@@ -207,8 +184,8 @@
$TOYFILES)"
echo "$STRUX" &&
echo "extern union global_union {" &&
- $SED -n 's/^struct \(.*\)_data .*/\1/;T;s/.*/\tstruct &_data &;/p' \
- <<<"$STRUX" &&
+ printf '%s\n' "$STRUX" | \
+ $SED -n 's/^struct \(.*\)_data .*/\1/;T;s/.*/\tstruct &_data &;/p' &&
echo "} this;"
} > "$GENDIR"/globals.h || exit 1
@@ -220,8 +197,10 @@
for j in $i; do
[ $X -eq 31 ] && LL=LL
NAME="$HEAD$j"
+ VALUE="(1$LL<<$X)"
printf "#define $NAME %*s%s\n#define _$NAME %*s%s\n" \
- $((32-${#NAME})) "" "$X" $((31-${#NAME})) "" "(1$LL<<$((X++)))" || exit 1
+ $((32-${#NAME})) "" "$X" $((31-${#NAME})) "" "$VALUE" || exit 1
+ X=$((X+1))
done
done > "$GENDIR"/tags.h || exit 1
@@ -240,7 +219,7 @@
rm -f "$GENDIR"/zhelp.h
fi
-[ -z "$DIDNEWER" ] || echo }
+[ -z "$DIDNEWER" ] || echo '}'
[ -n "$NOBUILD" ] && exit 0
echo "Compile $OUTNAME"
@@ -260,12 +239,16 @@
# build each generated/obj/*.o file in parallel
-PENDING= LNKFILES= CLICK= DONE=0 COUNT=0
+LNKFILES=
+CLICK=
for i in lib/*.c click $TOYFILES
do
- [ "$i" == click ] && CLICK=1 && continue
+ [ "$i" = click ] && CLICK=1 && continue
- X=${i/lib\//lib_}
+ X=$i
+ case $X in
+ lib/*) X=lib_${X#lib/} ;;
+ esac
X=${X##*/}
OUT="$GENDIR/obj/${X%%.c}.o"
LNKFILES="$LNKFILES $OUT"
@@ -274,19 +257,10 @@
[ "$OUT" -nt "$i" ] && [ -z "$CLICK" -o "$OUT" -nt "$KCONFIG_CONFIG" ] &&
continue
- do_loudly $BUILD -c $i -o $OUT &
-
- ratelimit || break
-done
-
-# wait for all background jobs, detecting errors
-while [ "$COUNT" -gt 0 ]
-do
- ratelimit done
+ do_loudly $BUILD -c $i -o $OUT || exit 1
done
-[ $DONE -ne 0 ] && exit 1
-UNSTRIPPED="$UNSTRIPPED/${OUTNAME/*\//}"
+UNSTRIPPED="$UNSTRIPPED/${OUTNAME##*/}"
do_loudly $BUILD $LNKFILES $LINK -o "$UNSTRIPPED" || exit 1
if [ -n "$NOSTRIP" ] ||
! do_loudly ${CROSS_COMPILE}${STRIP} "$UNSTRIPPED" -o "$OUTNAME"
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
# usage: PREFIX=/target/path scripts/install.sh [--options]
@@ -12,29 +12,29 @@
# Grab default values for $CFLAGS and such (to build scripts/install.c)
-source scripts/portability.sh
+. scripts/portability.sh
[ -z "$PREFIX" ] && PREFIX="$PWD/install"
# Parse command line arguments.
LONG_PATH=""
-while [ ! -z "$1" ]
+while [ -n "${1:-}" ]
do
# Create symlinks instead of hardlinks?
- [ "$1" == "--symlink" ] && TYPE="-s"
+ [ "$1" = "--symlink" ] && TYPE="-s"
# Uninstall?
- [ "$1" == "--uninstall" ] && UNINSTALL=Uninstall
+ [ "$1" = "--uninstall" ] && UNINSTALL=Uninstall
# Delete destination command if it exists?
- [ "$1" == "--force" ] && FORCE="-f"
+ [ "$1" = "--force" ] && FORCE="-f"
# Use {,usr}/{bin,sbin} paths instead of all files in one directory?
- [ "$1" == "--long" ] && LONG_PATH="bin/"
+ [ "$1" = "--long" ] && LONG_PATH="bin/"
# Symlink host toolchain binaries to destination to create cross compile $PATH
- [ "$1" == "--airlock" ] && AIRLOCK=1
+ [ "$1" = "--airlock" ] && AIRLOCK=1
shift
done
@@ -52,7 +52,7 @@
then
mkdir -p "${PREFIX}/${LONG_PATH}" &&
rm -f "${PREFIX}/${LONG_PATH}/toybox" &&
- cp toybox"${TARGET:+-$TARGET}" ${PREFIX}/${LONG_PATH} || exit 1
+ cp toybox"${TARGET:+-$TARGET}" "${PREFIX}/${LONG_PATH}/" || exit 1
else
rm -f "${PREFIX}/${LONG_PATH}/toybox" 2>/dev/null
fi
@@ -107,7 +107,7 @@
# python and deciding to #include Python.h).
# mkroot has patches to remove the need for "bc" and "gcc"
-TOOLCHAIN="${TOOLCHAIN//,/ } as cc ld objdump bc gcc"
+TOOLCHAIN="$(printf '%s' "${TOOLCHAIN:-}" | tr ',' ' ') as cc ld objdump bc gcc"
# The following are commands toybox should provide, but doesn't yet.
# For now symlink the host version. This list must go away by 1.0.
@@ -134,7 +134,7 @@
ln -sf "$j" "$FALLBACK/$i" || exit 1
fi
- X=$[$X+1]
+ X=$((X+1))
FALLBACK="$PREFIX/fallback-$X"
done
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