configure

#!/bin/bash

sdkdir=hex
script=$(basename $0)
top_dir=$(cd $(dirname $0)/.. && pwd)
top_srcdir=$(cd $(dirname $0)/.. && pwd)
top_sdkdir=$(cd $top_dir/$sdkdir && pwd)
top_blddir=$(pwd)

Error() { echo "Error: $*" >&2 ; exit 1 ; }

Usage()
{
    cat <<EOF >&2
Usage: $script [ <options> ] [ <custom-build-tag> ]
-v              Enable verbose output
-R              Reconfigure mode (do not replace local.mk)
-r              Generate rootfs from scratch rather than from fakeroot core
-D              Print directories being traversed by make
-p              Configure for production mode
-t              Configure for trial mode
-i              Configure for interactive mode
-d              Configure for debugging (default is release)
-x              Configure for execution profiling
-m              Enable mock language pack generation
EOF
    exit 1
}

# Do not include -R flag in SAVE_ARGS
RECONFIGURE=0
if [ x"$1" = x"-R" ]; then
    RECONFIGURE=1
    shift 1
fi

SAVE_ARGS="$*"

VERBOSE=0
PRINT_DIRS=0
PRODUCTION=0
TRIAL=0
INTERACTIVE=0
CUSTOM_BUILD=""
DEBUG=0
PROFILE=0
PROJ_DEV_LANG=0
USE_CORE=1
WEAK_DEP=0
SKIP_DIR="node_modules"

while getopts "vDptxdm" OPT ; do
    case $OPT in
    v) VERBOSE=1 ;;
    r) USE_CORE=0 ;;
    D) PRINT_DIRS=1 ;;
    p) PRODUCTION=1 ;;
    t) TRIAL=1 ;;
    i) INTERACTIVE=1 ;;
    x) PROFILE=1 ;;
    d) DEBUG=1 ;;
    m) PROJ_DEV_LANG=1 ;;
    *) Usage ;;
    esac
done
shift $(($OPTIND - 1))

# Optional custom build tag (can be a space separated multiword string)
if [ $# -ge 1 ]; then
    CUSTOM_BUILD="$@"
fi

set -e

[ $EUID = 0 ] || Error "Must be run as root"
[ x$(printenv DEVOPS_ENV) != 'x__JAIL__' ] && Error "Must be run in build jail"
[ "$top_srcdir" != "$top_blddir" ] || Error "Must be run in a separate build directory"

[ -f /etc/hex.manifest ] || Error "Could not find HEX manifest: /etc/hex.manifest"
source /etc/hex.manifest
HEX_VER=${_HEX_VER}
HEX_ARCH=${_HEX_ARCH}
HEX_DIST=${_HEX_DIST}
WEAK_DEP=${_WEAK_DEP}

if [ ! -f local.mk -o $RECONFIGURE -eq 0 ]; then
    if [ $VERBOSE -eq 0 ]; then
        echo "  GEN     local.mk"
    else
        echo "Generating local.mk"
    fi

    cat <<EOF >local.mk
# Generated by $script on $(date)

# NOTE: To override any of the variables listed below in a single subdirectory, you
#       must set them before including build.mk.

# If non-zero, pass "quiet" boot arg to linux kernel in all boot loaders
# Implied by PRODUCTION equal to 1 or greater
#
# Can also be overridden on the command line using the shorthand flag "QB", e.g.:
#
#       make QB=0 testall
#
QUIETBOOT ?= 1

# If VERBOSE=1, then show make commands as they are executed
# If VERBOSE=2, then enable script tracing
# If VERBOSE=3, then enable script tracing and no cleanup temp files and directories
#
# Can also be overridden on the command line using the shorthand flag "V", e.g.:
#
#       make V=1 all
#
VERBOSE ?= ${VERBOSE}

# If non-zero, enable production mode:
# 1. Do not include unrestricted shell or extra development tools in build
#
# Can also be overridden on the command line using the shorthand flag "P", e.g.:
#
#       make P=1 all
#
PRODUCTION ?= ${PRODUCTION}

# If non-zero, enable trial mode:
# Can also be overridden on the command line using the shorthand flag "T", e.g.:
#
#       make T=1 all
#
TRIAL ?= ${TRIAL}

# If non-zero, enable interactive mode:
#
# Can also be overridden on the command line using the shorthand flag "I", e.g.:
#
#       make I=1 testall
#
INTERACTIVE ?= ${INTERACTIVE}

# If non-zero, generate initrd and rootfs from core files defined in project_definition.mk
#
USE_CORE ?= ${USE_CORE}

# If non-zero, enable directory change messages (makeflag --no-print-directory)
# Implied by VERBOSE equal to 1 or greater
#
# Can also be overridden on the command line using the shorthand flag "D", e.g.:
#
#       make D=1 all
#
PRINT_DIRS ?= ${PRINT_DIRS}

# If set to 1 compile for debugging
#
DEBUG ?= ${DEBUG}

# If set to 1, use MEMCHECK when running unit tests
USE_MEMCHECK ?= 1

# If set to 1, ignore memory check errors and generate suppression rules for all errors

GEN_MEMCHECK_SUPPRESSIONS ?= 0

# If set to 1 dump deb dependencies, file lists, and pre/post scripts during install
DUMP_DEB_INFO ?= 0

# If PROFILE=1 compile with gcc -pg argument to generate code for execution profiling
#
PROFILE ?= ${PROFILE}

# Additional kernel args to use for both live boot and hard disk installs.
#
KERNEL_ARGS ?=

# Single user mode during mini_initramfs init.sh, before 1st hwdetect and switch_root
#KERNEL_ARGS ?= single_early

# Single user mode during mini_initramfs init.sh, after 1st hwdetect, and just before switch_root
#KERNEL_ARGS ?= single_preswitchroot

# Single user mode during rc.sysinit, after switch_root, and just before 2nd hwdetect
#KERNEL_ARGS ?= single_postswitchroot

# Single user mode during rc.sysinit, after 2nd hwdetect, and just before bootstrapping application
#KERNEL_ARGS ?= single

# Trace mini_initramfs init.sh and rc.sysinit scripts with "set -vx"
#KERNEL_ARGS ?= trace_verbose

# Trace mini_initramfs init.sh and rc.sysinit scripts with "set -x" (implied by QUIETBOOT=0)
#KERNEL_ARGS ?= trace_init

# Trace modprobe invocations
#KERNEL_ARGS ?= trace_modprobe

# Uncomment to log all kernel messages. Should also set QUIETBOOT=0.
# Softlockup and hung task should both cause kernel panic
# Lower hung task timeout to 60 seconds (instead of 120)
# Reboot 3 seconds after kernel panic
#
#KERNEL_ARGS ?= ignore_loglevel softlockup_panic=1 hung_task_panic=1 hung_task_timeout_secs=60 panic=3

# Serial console speed. Production BIOS will be set to 9600 bps by default.
# Valid values are 9600, 19200, 38400, 57600, and 115200.
# Be sure to change the BIOS to match before booting.
#
CONSOLE_SPEED ?= 115200

# Custom build tag
# Typically empty
CUSTOM_BUILD ?= ${CUSTOM_BUILD}

# Fake Lang pack will be used if this is enabled
PROJ_DEV_LANG ?= ${PROJ_DEV_LANG}

EOF
fi # [ ! -f local.mk ]

# process Custom build tags
if [ -n "$CUSTOM_BUILD" ] ; then
    echo -e "\n# Custom build tags" >> local.mk
    for tag in $CUSTOM_BUILD ; do
        echo "CUSTOM_$tag := 1" >> local.mk
    done
fi

if [ $VERBOSE -eq 0 ]; then
    echo "  GEN     build.mk"
else
    echo "Generating build.mk"
fi

cat <<EOF >build.mk
# DO NOT EDIT THIS FILE
# Generated by $script on $(date)

HEX_VER := ${HEX_VER}
HEX_ARCH := ${HEX_ARCH}
HEX_DIST := ${HEX_DIST}
WEAK_DEP := ${WEAK_DEP}

# Full (non-relative) paths to top of build and source directories
TOP_DIR := ${top_dir}
TOP_SRCDIR := ${top_srcdir}
TOP_BLDDIR := ${top_blddir}

include \$(TOP_BLDDIR)/local.mk

HEX_MAKEDIR := ${top_sdkdir}/make
include \$(HEX_MAKEDIR)/hex_sdk_first.mk
EOF

Run()
{
    [ $VERBOSE -eq 0 ] && echo "$2" || echo $1
    eval $1
}

LinkMakefile()
{
    srcdir=$1
    blddir=$2

    # find all makefile from source dir
    for f in $(find $srcdir -name Makefile -not -path ".*/$SKIP_DIR/*") ; do
        # replace source dir with build dir
        newfile=`echo $f | sed "s!$srcdir!$blddir!"`
        dir=`dirname $newfile`

        # build dir doesn't exist, create one
        if [ ! -d "$dir" ]; then
            b=`echo $dir | sed "s!$top_blddir/!!"`
            Run "mkdir -p $dir" "  MKDIR   $b"
        fi

        # create a link file points to source file
        if [ ! -f "$newfile" ]; then
            b=`echo $newfile | sed "s!$top_blddir/!!"`
            Run "ln -sf $f $newfile" "  LN      $b"
        fi
    done
}

LinkMakefile $top_sdkdir $top_blddir/$sdkdir
LinkMakefile $top_srcdir $top_blddir

# find and report deleted source directories
# (look for Makefiles in blddir that are broken symlinks)
for f in $(find $top_blddir -depth -name Makefile -type l ) ; do
    # if broken symlinks
    if stat -L $f >/dev/null 2>&1 ; then
        :
    else
        b=`echo $f | sed "s!$top_blddir/!!"`
        d=`dirname $f`
        bd=`echo $d | sed "s!$top_blddir/!!"`
        Run "rm -f $f" "  RM      $b"
        rm -rf $top_blddir/${d}_deleted
        Run "mv $d ${d}_deleted" "  MV      $bd ${bd}_deleted"
    fi
done

# find and report build directories that are marked for deletion
for f in $(find $top_blddir -type d -name \*_deleted) ; do
    d=`echo $f | sed -e "s!$top_blddir/!!"`
    [ $VERBOSE -eq 0 ] && echo "  WARNING obsolete directory: $d" || echo "Warning: obsolete directory: $d"
done

if [ $RECONFIGURE -eq 0 ]; then
    if [ $VERBOSE -eq 0 ]; then
        echo "  GEN     reconfigure"
    else
        echo "Generating reconfigure"
    fi

    cat <<EOF >reconfigure
#!/bin/bash
bash $0 -R $SAVE_ARGS
EOF
    chmod a+x reconfigure
else
    touch reconfigure
fi

#;;; Local Variables: ***
#;;; mode:shell-script ***
if [ -f $top_sdkdir/scripts/helpers ]; then
    rm -rf /usr/sbin/hex_helper
    ln -s $top_sdkdir/scripts/helpers /usr/sbin/hex_helper
fi

if [ $(ls -1 /dev/loop* 2>/dev/null | wc -l) -lt 16 ]; then
    for i in $(seq 0 15) ; do
        rm -f /dev/loop$i
        mknod -m 0660 /dev/loop$i b 7 $(($i * 4)) 2>/dev/null || true
    done
fi

#;;; End: ***