configure

#!/bin/sh

set -e

[ -z "$CC" ] && CC=cc
[ -z "$HOSTCC" ] && HOSTCC="$CC"

CFLAGS="$CFLAGS -std=c99 -Wall -D_FORTIFY_SOURCE=2 -D_XOPEN_SOURCE=700"
CFLAGS="$CFLAGS -Wextra -Wno-unused-parameter -Wno-sign-compare -Wno-builtin-declaration-mismatch -Wno-clobbered"
LDFLAGS="$LDFLAGS -static -Wl,--gc-sections"

if [ -z "$DEBUG" ]; then
    CFLAGS="$CFLAGS -Os -s -DNDEBUG"
    LDFLAGS="$LDFLAGS -s"
else
    CFLAGS="$CFLAGS -O0 -g"
    LDFLAGS="$LDFLAGS -g"
fi

tmpc=/tmp/tmp$$.c
cat > $tmpc <<EOF
#include <netdb.h>
int main () { gethostbyname("localhost"); return 0; }
EOF
if ! $HOSTCC -Wl,--fatal-warnings -static $tmpc -o $tmpc.out 2>&1; then
    rm -f $tmpc
    echo "warning: your libc does not properly support static linking, trying musl instead..." >&2
    CFLAGS="$CFLAGS -nostdinc"
    HOSTCC="$PWD/sysroot/bin/musl-gcc"
    if [ ! -x "$HOSTCC" ]; then
        echo "Run scripts/make-sysroot.sh to install a local copy of musl, or set HOSTCC to the path of musl-gcc"
        exit 1
    fi
fi
rm -f $tmpc $tmpc.out

cd lib/tcc
./configure --prefix=/ --config-ldl=no --config-bcheck=no --config-backtrace=no \
    --ar=ar --cc="$HOSTCC" --extra-cflags="$CFLAGS -DCONFIG_TCC_STATIC" --extra-ldflags="$LDFLAGS"
cd ../..

cat > config.mak <<EOF
CC = $HOSTCC
CFLAGS = $CFLAGS
LDFLAGS = $LDFLAGS
EOF

cat config.mak

export HOSTCC CC=$HOSTCC CFLAGS LDFLAGS

cd lib/toybox
cp -f ../../config.mak .config.mak
cat > .config <<EOF
# CONFIG_TOYBOX_ON_ANDROID is not set
CONFIG_TOYBOX_FORK=y

#
# Posix commands
#
CONFIG_BASENAME=y
# CONFIG_CAL is not set
CONFIG_CAT=y
CONFIG_CHGRP=y
CONFIG_CHOWN=y
CONFIG_CHMOD=y
CONFIG_CKSUM=y
CONFIG_CRC32=y
CONFIG_CMP=y
CONFIG_COMM=y
CONFIG_CP=y
CONFIG_MV=y
CONFIG_INSTALL=y
# CONFIG_CPIO is not set
CONFIG_CUT=y
CONFIG_DATE=y
CONFIG_DD=y
# CONFIG_DF is not set
CONFIG_DIRNAME=y
CONFIG_DU=y
# CONFIG_ECHO is not set
CONFIG_ENV=y
CONFIG_EXPAND=y
# CONFIG_FALSE is not set
CONFIG_FILE=y
CONFIG_FIND=y
CONFIG_FOLD=y
CONFIG_GETCONF=y
CONFIG_GREP=y
CONFIG_EGREP=y
CONFIG_FGREP=y
CONFIG_HEAD=y
# CONFIG_ICONV is not set
CONFIG_ID=y
# CONFIG_ID_Z is not set
CONFIG_GROUPS=y
CONFIG_LOGNAME=y
CONFIG_WHOAMI=y
# CONFIG_KILL is not set
# CONFIG_KILLALL5 is not set
CONFIG_LINK=y
CONFIG_LN=y
# CONFIG_LOGGER is not set
CONFIG_LS=y
CONFIG_MKDIR=y
# CONFIG_MKDIR_Z is not set
CONFIG_MKFIFO=y
# CONFIG_MKFIFO_Z is not set
CONFIG_NICE=y
CONFIG_NL=y
CONFIG_NOHUP=y
CONFIG_OD=y
CONFIG_PASTE=y
CONFIG_PATCH=y
# CONFIG_PRINTF is not set
# CONFIG_PS is not set
# CONFIG_TOP is not set
# CONFIG_IOTOP is not set
# CONFIG_PGREP is not set
# CONFIG_PKILL is not set
# CONFIG_PWD is not set
CONFIG_RENICE=y
CONFIG_RM=y
CONFIG_RMDIR=y
CONFIG_SED=y
CONFIG_SLEEP=y
CONFIG_SORT=y
CONFIG_SORT_FLOAT=y
# CONFIG_SPLIT is not set
CONFIG_STRINGS=y
CONFIG_TAIL=y
CONFIG_TAR=y
CONFIG_TEE=y
# CONFIG_TEST is not set
# CONFIG_TEST_GLUE is not set
CONFIG_TIME=y
CONFIG_TOUCH=y
# CONFIG_TRUE is not set
# CONFIG_TSORT is not set
CONFIG_TTY=y
# CONFIG_ULIMIT is not set
CONFIG_ARCH=y
CONFIG_UNAME=y
CONFIG_UNIQ=y
CONFIG_UNLINK=y
CONFIG_UUDECODE=y
CONFIG_UUENCODE=y
CONFIG_WC=y
CONFIG_WHO=y
CONFIG_XARGS=y

#
# Pending (unfinished) commands
#
# CONFIG_ARP is not set
# CONFIG_ARPING is not set
# CONFIG_AWK is not set
# CONFIG_BC is not set
# CONFIG_BOOTCHARTD is not set
# CONFIG_BRCTL is not set
# CONFIG_CHSH is not set
# CONFIG_CROND is not set
# CONFIG_CRONTAB is not set
# CONFIG_CSPLIT is not set
# CONFIG_DHCP is not set
# CONFIG_DHCP6 is not set
# CONFIG_DHCPD is not set
# CONFIG_DEBUG_DHCP is not set
CONFIG_DIFF=y
# CONFIG_DUMPLEASES is not set
CONFIG_EXPR=y
# CONFIG_FDISK is not set
# CONFIG_FSCK is not set
# CONFIG_GETFATTR is not set
# CONFIG_GETTY is not set
# CONFIG_GITCOMPAT is not set
# CONFIG_GITCLONE is not set
# CONFIG_GITINIT is not set
# CONFIG_GITREMOTE is not set
# CONFIG_GITFETCH is not set
# CONFIG_GITCHECKOUT is not set
# CONFIG_GROUPADD is not set
# CONFIG_GROUPDEL is not set
# CONFIG_HEXDUMP is not set
# CONFIG_HD is not set
# CONFIG_INIT is not set
# CONFIG_IP is not set
# CONFIG_IPCRM is not set
# CONFIG_IPCS is not set
# CONFIG_KLOGD is not set
# CONFIG_KLOGD_SOURCE_RING_BUFFER is not set
# CONFIG_LAST is not set
# CONFIG_LSOF is not set
# CONFIG_MAN is not set
# CONFIG_MDEV is not set
# CONFIG_MDEV_CONF is not set
# CONFIG_MKE2FS is not set
# CONFIG_MKE2FS_JOURNAL is not set
# CONFIG_MKE2FS_GEN is not set
# CONFIG_MKE2FS_LABEL is not set
# CONFIG_MKE2FS_EXTENDED is not set
# CONFIG_MODPROBE is not set
# CONFIG_MORE is not set
# CONFIG_ROUTE is not set
# CONFIG_SH is not set
# CONFIG_CD is not set
# CONFIG_DECLARE is not set
# CONFIG_EXIT is not set
# CONFIG_SET is not set
# CONFIG_UNSET is not set
# CONFIG_EVAL is not set
# CONFIG_EXEC is not set
# CONFIG_EXPORT is not set
# CONFIG_JOBS is not set
# CONFIG_LOCAL is not set
# CONFIG_SHIFT is not set
# CONFIG_SOURCE is not set
# CONFIG_WAIT is not set
# CONFIG_STRACE is not set
# CONFIG_STTY is not set
# CONFIG_SULOGIN is not set
# CONFIG_SYSLOGD is not set
# CONFIG_TCPSVD is not set
# CONFIG_TELNET is not set
# CONFIG_TELNETD is not set
# CONFIG_TFTP is not set
# CONFIG_TFTPD is not set
CONFIG_TR=y
# CONFIG_TRACEROUTE is not set
# CONFIG_USERADD is not set
# CONFIG_USERDEL is not set
# CONFIG_VI is not set
CONFIG_XZCAT=y

#
# Other commands
#
# CONFIG_ACPI is not set
# CONFIG_ASCII is not set
# CONFIG_UNICODE is not set
CONFIG_BASE64=y
# CONFIG_BASE32 is not set
# CONFIG_BLKDISCARD is not set
# CONFIG_BLKID is not set
# CONFIG_FSTYPE is not set
# CONFIG_BLOCKDEV is not set
CONFIG_BUNZIP2=y
CONFIG_BZCAT=y
# CONFIG_CHCON is not set
# CONFIG_CHROOT is not set
# CONFIG_CHRT is not set
CONFIG_CLEAR=y
# CONFIG_COUNT is not set
# CONFIG_DEVMEM is not set
# CONFIG_DOS2UNIX is not set
# CONFIG_UNIX2DOS is not set
# CONFIG_EJECT is not set
# CONFIG_FACTOR is not set
# CONFIG_FALLOCATE is not set
# CONFIG_FLOCK is not set
# CONFIG_FMT is not set
# CONFIG_FREE is not set
# CONFIG_FREERAMDISK is not set
# CONFIG_FSFREEZE is not set
# CONFIG_FSYNC is not set
# CONFIG_GETOPT is not set
# CONFIG_GPIODETECT is not set
# CONFIG_GPIOFIND is not set
# CONFIG_GPIOINFO is not set
# CONFIG_GPIOGET is not set
# CONFIG_GPIOSET is not set
# CONFIG_HELP is not set
# CONFIG_HEXEDIT is not set
# CONFIG_HWCLOCK is not set
# CONFIG_I2CDETECT is not set
# CONFIG_I2CDUMP is not set
# CONFIG_I2CGET is not set
# CONFIG_I2CSET is not set
# CONFIG_I2CTRANSFER is not set
# CONFIG_INOTIFYD is not set
# CONFIG_INSMOD is not set
# CONFIG_IONICE is not set
# CONFIG_IORENICE is not set
# CONFIG_LINUX32 is not set
# CONFIG_LOGIN is not set
# CONFIG_LOSETUP is not set
# CONFIG_LSATTR is not set
# CONFIG_CHATTR is not set
# CONFIG_LSMOD is not set
# CONFIG_LSPCI is not set
# CONFIG_LSUSB is not set
# CONFIG_MAKEDEVS is not set
# CONFIG_MCOOKIE is not set
# CONFIG_MEMEATER is not set
# CONFIG_MIX is not set
# CONFIG_MKPASSWD is not set
# CONFIG_MKSWAP is not set
# CONFIG_MODINFO is not set
# CONFIG_MOUNTPOINT is not set
# CONFIG_NBD_CLIENT is not set
# CONFIG_NBD_SERVER is not set
# CONFIG_UNSHARE is not set
# CONFIG_NSENTER is not set
# CONFIG_ONEIT is not set
# CONFIG_OPENVT is not set
# CONFIG_CHVT is not set
# CONFIG_DEALLOCVT is not set
# CONFIG_PARTPROBE is not set
# CONFIG_PIVOT_ROOT is not set
# CONFIG_PMAP is not set
CONFIG_PRINTENV=y
# CONFIG_PWDX is not set
# CONFIG_PWGEN is not set
# CONFIG_READAHEAD is not set
# CONFIG_READELF is not set
CONFIG_READLINK=y
# CONFIG_REALPATH is not set
CONFIG_REBOOT=y
# CONFIG_RESET is not set
# CONFIG_REV is not set
# CONFIG_RMMOD is not set
# CONFIG_RTCWAKE is not set
# CONFIG_SETFATTR is not set
# CONFIG_SETSID is not set
# CONFIG_SHA3SUM is not set
# CONFIG_SHRED is not set
# CONFIG_SHUF is not set
CONFIG_STAT=y
# CONFIG_SWAPOFF is not set
# CONFIG_SWAPON is not set
# CONFIG_SWITCH_ROOT is not set
# CONFIG_SYSCTL is not set
# CONFIG_TAC is not set
CONFIG_NPROC=y
# CONFIG_TASKSET is not set
CONFIG_TIMEOUT=y
CONFIG_TRUNCATE=y
# CONFIG_TS is not set
# CONFIG_UCLAMPSET is not set
# CONFIG_UPTIME is not set
# CONFIG_USLEEP is not set
# CONFIG_UUIDGEN is not set
# CONFIG_VCONFIG is not set
# CONFIG_VMSTAT is not set
# CONFIG_W is not set
# CONFIG_WATCH is not set
# CONFIG_WATCHDOG is not set
CONFIG_WHICH=y
CONFIG_XXD=y
CONFIG_YES=y

#
# Networking commands
#
# CONFIG_FTPGET is not set
# CONFIG_FTPPUT is not set
# CONFIG_HOST is not set
# CONFIG_HTTPD is not set
CONFIG_IFCONFIG=y
# CONFIG_MICROCOM is not set
# CONFIG_NETCAT is not set
# CONFIG_NETSTAT is not set
# CONFIG_PING is not set
# CONFIG_RFKILL is not set
# CONFIG_SNTP is not set
# CONFIG_TUNCTL is not set
CONFIG_WGET=y
# CONFIG_WGET_LIBTLS is not set

#
# Linux Standard Base commands
#
# CONFIG_DMESG is not set
CONFIG_GZIP=y
CONFIG_GUNZIP=y
CONFIG_ZCAT=y
CONFIG_HOSTNAME=y
# CONFIG_DNSDOMAINNAME is not set
# CONFIG_KILLALL is not set
CONFIG_MD5SUM=y
CONFIG_SHA1SUM=y
CONFIG_SHA224SUM=y
CONFIG_SHA256SUM=y
CONFIG_SHA384SUM=y
CONFIG_SHA512SUM=y
CONFIG_MKNOD=y
# CONFIG_MKNOD_Z is not set
CONFIG_MKTEMP=y
CONFIG_MOUNT=y
# CONFIG_PASSWD is not set
# CONFIG_PASSWD_SAD is not set
# CONFIG_PIDOF is not set
CONFIG_SEQ=y
# CONFIG_SU is not set
# CONFIG_SYNC is not set
CONFIG_UMOUNT=y

#
# Example commands
#
# CONFIG_DEMO_MANY_OPTIONS is not set
# CONFIG_DEMO_NUMBER is not set
# CONFIG_DEMO_SCANKEY is not set
# CONFIG_DEMO_UTF8TOWC is not set
# CONFIG_HELLO is not set
# CONFIG_HOSTID is not set
# CONFIG_LOGPATH is not set
# CONFIG_SKELETON is not set
# CONFIG_SKELETON_ALIAS is not set

#
# Android commands
#
# CONFIG_GETENFORCE is not set
# CONFIG_LOAD_POLICY is not set
# CONFIG_LOG is not set
# CONFIG_RESTORECON is not set
# CONFIG_RUNCON is not set
# CONFIG_SENDEVENT is not set
# CONFIG_SETENFORCE is not set

#
# Toybox global settings
#
CONFIG_TOYBOX=y
CONFIG_TOYBOX_SUID=y
CONFIG_TOYBOX_LSM_NONE=y
# CONFIG_TOYBOX_SELINUX is not set
# CONFIG_TOYBOX_SMACK is not set
# CONFIG_TOYBOX_LIBCRYPTO is not set
# CONFIG_TOYBOX_LIBZ is not set
CONFIG_TOYBOX_FLOAT=y
# CONFIG_TOYBOX_HELP is not set
CONFIG_TOYBOX_HELP_DASHDASH=y
# CONFIG_TOYBOX_ZHELP is not set
# CONFIG_TOYBOX_FREE is not set
# CONFIG_TOYBOX_NORECURSE is not set
# CONFIG_TOYBOX_DEBUG is not set
CONFIG_TOYBOX_UID_SYS=100
CONFIG_TOYBOX_UID_USR=500
# CONFIG_TOYBOX_FORCE_NOMMU is not set
EOF

rm -rf generated

scripts/configure.sh

cd ../..

case $(uname -m) in
  x86_64)
    SH_CFLAGS='-DCONFIG_TRIPLET="x86_64-linux-gnu" -DTCC_TARGET_X86_64'
    ;;
  i*86)
    SH_CFLAGS='-DCONFIG_TRIPLET="i386-linux-gnu" -DTCC_TARGET_I386'
    ;;
  *)
    echo "Unsupported architecture"
    exit 1
    ;;
esac

SH_CFLAGS="$SH_CFLAGS -DHAVE_CONFIG_H -I$PWD/src -include $PWD/src/config.h -DBSD=1 -DSHELL -DDEBUG=1 -Wall"
SH_CFLAGS="$SH_CFLAGS -DCONFIG_TCC_BCHECK=0 -DCONFIG_TCC_BACKTRACE=0 -DONE_SOURCE=0 -D_LARGEFILE64_SOURCE -I\$builddir"

SH_SRC=
for f in bltin/printf.c bltin/test.c bltin/times.c alias.c arith_yacc.c arith_yylex.c cd.c error.c eval.c exec.c expand.c input.c jobs.c mail.c main.c memalloc.c miscbltin.c mystring.c options.c output.c parser.c redir.c show.c signames.c trap.c var.c toybox.c tcc.c ar.c util.c samu.c samu/build.c samu/deps.c samu/env.c samu/graph.c samu/htab.c samu/log.c samu/parse.c samu/scan.c samu/tool.c samu/tree.c; do
  SH_SRC="$SH_SRC $PWD/src/$f"
done

SH_GENSRC="\$builddir/builtins.c \$builddir/nodes.c \$builddir/syntax.c \$builddir/init.c"
SH_GENHDR="\$builddir/builtins.h \$builddir/nodes.h \$builddir/syntax.h \$builddir/token.h \$builddir/token_vars.h"

cat > build.ninja <<EOF
builddir = $PWD/build

subninja lib/tcc/build.ninja
subninja lib/toybox/build.ninja

rule cc
  command = $CC $CFLAGS $SH_CFLAGS -c -o \$out \$in
  description = Compiling \$in

rule link
  command = $CC -o \$out \$in $LDFLAGS $LIBS
  description = Linking \$out

rule exe
  command = $HOSTCC $CFLAGS $SH_CFLAGS -o \$out \$in $LDFLAGS $LIBS
  description = Compiling \$out

rule generate_builtins
  command = sh $PWD/src/mkbuiltins $PWD/src/builtins.def && mv builtins.c builtins.h \$builddir
  description = Generating builtins.c and builtins.h

rule generate_nodes
  command = \$builddir/mknodes $PWD/src/nodetypes $PWD/src/nodes.c.pat && mv nodes.c nodes.h \$builddir
  description = Generating nodes.c and nodes.h

rule generate_syntax
  command = \$builddir/mksyntax && mv syntax.c syntax.h \$builddir
  description = Generating syntax.c and syntax.h

rule generate_tokens
  command = sh $PWD/src/mktokens && mv token.h token_vars.h \$builddir
  description = Generating token.h and token_vars.h

rule generate_init
  command = \$builddir/mkinit $SH_SRC && mv init.c \$builddir
  description = Generating init.c

rule generate_libtcc1a
  command = echo "#define LIBTCC1A_LEN \$\$(wc -c < \$in)" > \$out && gzip -9 < \$in | od -Anone -vtx1 | sed 's/ /,0x/g;1s/^,/static char libtcc1a_data[] = {\n /;\$\$s/.*/&};/' >> \$out
  description = Generating \$out


build \$builddir/builtins.c \$builddir/builtins.h: generate_builtins $PWD/src/mkbuiltins $PWD/src/builtins.def
build \$builddir/nodes.c \$builddir/nodes.h: generate_nodes \$builddir/mknodes $PWD/src/nodetypes $PWD/src/nodes.c.pat
build \$builddir/syntax.c \$builddir/syntax.h: generate_syntax \$builddir/mksyntax
build \$builddir/token.h \$builddir/token_vars.h: generate_tokens $PWD/src/mktokens
build \$builddir/init.c: generate_init \$builddir/mkinit

build \$builddir/mknodes: exe $PWD/src/mknodes.c
build \$builddir/mksyntax: exe $PWD/src/mksyntax.c | \$builddir/token.h
build \$builddir/mkinit: exe $PWD/src/mkinit.c

build \$builddir/libtcc1a.h: generate_libtcc1a \$builddir/tcc/libtcc1.a

$(
SH_OBJ=
for f in $SH_SRC $SH_GENSRC; do
    obj="\$builddir/$(basename $f .c).o"
    SH_OBJ="$SH_OBJ $obj"
    echo "build $obj: cc $f | $SH_GENHDR \$builddir/libtcc1a.h"
done
echo build \$builddir/bootsh: link $SH_OBJ \$builddir/libtoybox.a \$builddir/tcc/libtcc.a
)

default \$builddir/bootsh
EOF