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#! /bin/sh
#
# %CopyrightBegin%
#
# Copyright Ericsson AB 2002-2009. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
# compliance with the License. You should have received a copy of the
# Erlang Public License along with this software. If not, it can be
# retrieved online at http://www.erlang.org/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# %CopyrightEnd%
#

# Expected autoconf version
EXPECTED_AUTOCONF_VERSION=2.59

# clearmake command to use
clearmake=false

# Global configuration variables
#
# NOTE: lazy_configure depends on '.' allways being last directory
if [ -z "$ONLY_ERTS" ]; then
AUTOCONF_SUBDIRS="lib lib/*"
fi
AUTOCONF_SUBDIRS="$AUTOCONF_SUBDIRS erts ."

# Utility functions
usage ()
{
    echo "Available options:"
    echo " setup [-a] [<configure parameters>] - does autoconf, configure and boot."
    echo " all [-a] <dir> - does autoconf, configure, boot, release"
    echo " autoconf - (re)build the configure scripts"
    echo " configure [<configure parameters>] - does the actual configuration"
    echo " smp [-a] - build a small Erlang system, smp flavor"
    echo " hybrid [-a] - build a small Erlang system, hybrid flavor"
    echo " nofrag [-a] - build a small Erlang system, nofrag flavor"
    echo " boot [-a] - bootstraps and build system (after configure)"
    echo " release <target_dir> - creates a small release to <target_dir>"
    echo " release [-a] <target_dir> - creates full release to <target_dir>"
    echo " tests <dir> - Build testsuites to <dir>"
    echo ""
    echo "These are for cleaning up an open source distribution"
    echo "with prebuilt files, so that it resembles the clean developers"
    echo "codebase:"
    echo " remove_prebuilt_files - create a minimal source tree"
    echo " save_bootstrap - recreate primary bootstrap"
    echo ""
    echo "Special targets for Windows(tm) build:"
    echo " debuginfo_win32 <dir> - adds debug emulator and pdb files to <dir>"
    echo " installer_win32 <dir> - creates a windows installer from <dir>"
    echo ""
    echo "Before trying to build on windows, consider the following option"
    echo " env_win32 - echo environment settings for win32 with visual C++, use with eval"
    echo " env_mingw32 - echo environment settings for win32 with MinGW, use with eval"
    echo ""
    echo "Before trying to build for vxworks, consider the following option"
    echo " env_vxworks <cpu> - echo environment settings for vxworks, use with eval"
    echo ""
    echo "Before trying to cross compile, set environment via the following option"
    echo "Please note that the path to the configuration file should be absolute."
    echo " env_cross <absolute path to cross conf file> - echo environment settings for cross compilation, use with eval"
    echo ""
    echo "The following options concern the primary bootstrap."
    echo "{prepare,update,commit,cancel}_primary is for actually updating"
    echo "the checked in derivates of the main code base, they are not for"
    echo "managing a downloaded spource-tree."
    echo " prepare_primary - prepares for building primary bootstrap (only in Clearcase)"
    echo " update_primary - creates the primary bootstrap, the one shipped"
    echo " commit_primary - commits a primary bootstrap (only in Clearcase)"
    echo " cancel_primary - uncheckout a primary bootstrap (only in Clearcase)"
    echo ""
    echo "The following options concern preloaded code."
    echo "They are, like the primary bootstrap, mainly the concern of the"
    echo "main developers."
    echo " prepare_preloaded - prepares for building preloaded code (only in Clearcase)"
    echo " update_preloaded - creates the preloaded beam code, the one shipped"
    echo " commit_preloaded - commits the preloaded code (only in Clearcase)"
    echo " cancel_preloaded - uncheckout preloaded code (only in Clearcase)"
}

export_cross_env ()
{
    if [ "x$ERL_XCOMP_CONF" != "x" ]; then
export erl_xcomp_host
export erl_xcomp_configure_flags
export erl_xcomp_cc
export erl_xcomp_ld
export erl_xcomp_cflags
export erl_xcomp_cpp
export erl_xcomp_ldflags
export erl_xcomp_ranlib
export erl_xcomp_ar
export erl_xcomp_ded_ld
export erl_xcomp_ded_ldflags
export erl_xcomp_ded_ld_runtime_library_path
export erl_xcomp_bigendian
export erl_xcomp_linux_clock_gettime_correction
export erl_xcomp_linux_nptl
export erl_xcomp_linux_usable_sigusrx
export erl_xcomp_linux_usable_sigaltstack
export erl_xcomp_poll
export erl_xcomp_kqueue
export erl_xcomp_putenv_copy
export erl_xcomp_reliable_fpe
export erl_xcomp_getaddrinfo
export erl_xcomp_gethrvtime_procfs_ioctl
export erl_xcomp_clock_gettime
export erl_xcomp_after_morecore_hook
export erl_xcomp_dlsym_brk_wrappers
    fi
}

xcomp_fail ()
{
    echo "The mandatory cross compilation variable '"$1"' is not set, aborting..." >&2
    exit 1
}

source_xcomp_file ()
{
    case x$1 in
x/*)
;;
x)
echo "env_cross requires path to cross compilation configuration" >&2
exit 1;;
x*)
echo "An absoulute path to the cross compilation file is required: $1" >&2
exit 1;;
    esac

if [ ! -f $1 ]; then
echo "No such file: $1" >&2
exit 1
    fi

    . $1
}

finalize_xcomp_conf ()
{
    if test "x$erl_xcomp_host" = "x"; then
xcomp_fail erl_xcomp_host
    fi

if test "x$erl_xcomp_target" != "x"; then
echo "The 'erl_xcomp_target' configuration variable should no longer be used." >&2
echo "For more information see the xcomp/README file." >&2
exit 1;
    fi

OVERRIDE_TARGET=`$ERL_TOP/erts/autoconf/config.sub $erl_xcomp_host`
    if test $? -ne 0; then
exit $?
    fi
TARGET=$OVERRIDE_TARGET

    return 0
}


check_erltop ()
{
        ERLTOP_FORCED=false
if [ "X$ERL_TOP" = "X" ]; then
if [ -f ./otp_build -a -f ./erts/autoconf/config.guess ]; then
ERLTOP_FORCED=true
ERL_TOP=`/bin/pwd`
else
echo "The environment variable ERL_TOP must be set." >&2
exit 1
fi
fi
}

target_contains ()
{
Y=`echo $TARGET | sed "s,$1,,g"`
[ X"$Y" != X"$TARGET" ]
return $?
}



# Execution of the different options

# Special static config flags for certain platforms are set here
set_config_flags ()
{
if target_contains linux; then
XX=`echo $* | grep -v able-hipe`
if [ "$*" = "$XX" ]; then
CONFIG_FLAGS="--disable-hipe"
fi
fi
if target_contains "univel-sysv4"; then
CONFIG_FLAGS="--x-libraries=/usr/lib/X11"
fi

if target_contains free_source; then
CONFIG_FLAGS="$CONFIG_FLAGS --host=$TARGET"
fi
if target_contains win32; then
CONFIG_FLAGS="--build=$BUILDSYS build_alias=win32 --host=win32 --target=win32"
else
# Link SSL static for all binary distributions if not overridden
XX=`echo $* | grep -v dynamic-ssl-lib`
if [ "$*" = "$XX" ]; then
CONFIG_FLAGS="--disable-dynamic-ssl-lib $CONFIG_FLAGS"
fi
fi
if [ "x$OVERRIDE_CONFIG_CACHE" = "x" ]; then
CONFIG_FLAGS="$CONFIG_FLAGS --cache-file=/dev/null"
else
CONFIG_FLAGS="$CONFIG_FLAGS --cache-file=$OVERRIDE_CONFIG_CACHE"
fi

CONFIG_FLAGS="$CONFIG_FLAGS $*"
export CONFIG_FLAGS;
}

do_autoconf ()
{
        if target_contains win32; then
# Select the correct autoconf on cygwin
save_want_autoconf_ver=$WANT_AUTOCONF_VER
WANT_AUTOCONF_VER=$EXPECTED_AUTOCONF_VERSION
export WANT_AUTOCONF_VER
fi
exp_ac_vsn=$EXPECTED_AUTOCONF_VERSION
ac_vsn_blob=`autoconf --version`
ac_vsn=`echo x$ac_vsn_blob | sed "s|[^0-9]*\([0-9][^ \t\n]*\).*|\1|"`
case "$ac_vsn" in
$exp_ac_vsn)
;;
*)
echo "***************************************************" 1>&2
echo "***************************************************" 1>&2
echo "*** WARNING: System might fail to configure or" 1>&2
echo "*** might be erroneously configured" 1>&2
echo "*** since autoconf version $ac_vsn is used" 1>&2
echo "*** instead of version $exp_ac_vsn!" 1>&2
echo "***************************************************" 1>&2
echo "***************************************************" 1>&2
;;
esac

if [ -d erts/autom4te.cache ]; then
echo "Cleaning erts/autom4te.cache"
rm -f erts/autom4te.cache/*
fi

save_ot="$OVERRIDE_TARGET"
save_t="$TARGET"
if [ ! -z "$OVERRIDE_CONFIGURE" ]; then
echo "Autoconf disabled on target $TARGET, but is performed on host" >&2
OVERRIDE_TARGET=
export OVERRIDE_TARGET
# We still use erts configure for erl_interface and VxWorks
case "$TARGET" in
*vxworks*)
AUTOCONF_SUBDIRS=`echo $AUTOCONF_SUBDIRS | \
sed -e 's,lib/erl_interface,,' \
-e 's,lib/gs,,' \
-e 's,lib/megaco,,'`
;;
esac
TARGET=`$ERL_TOP/erts/autoconf/config.guess`
fi
for d in $AUTOCONF_SUBDIRS; do
if [ -f $d/configure.in ]; then
echo "=== running autoconf in $d"
( cd $d && autoconf ) || exit 1
fi
if [ x$d = x"erts" ]; then
echo "=== running autoheader in $d"
( cd $d && autoheader configure.in > config.h.in ) \
|| exit 1
fi
done
OVERRIDE_TARGET="$save_ot"
export OVERRIDE_TARGET
TARGET="$save_t"
        if target_contains win32; then
WANT_AUTOCONF_VER=$save_want_autoconf_ver
export WANT_AUTOCONF_VER
fi
}

mk_targetdir ()
{
    if [ ! -d $ERL_TOP/$TARGET ]; then
echo "creating $ERL_TOP/$TARGET"
mkdir $ERL_TOP/$TARGET
    else
echo "existing $ERL_TOP/$TARGET is used"
    fi
}

do_configure ()
{
    setup_make
    mk_targetdir
    save_ot="$OVERRIDE_TARGET"
    save_t="$TARGET"
    if [ ! -z "$OVERRIDE_CONFIGURE" ]; then
case $TARGET in
vxworks_*)
( cd erts/autoconf && \
$ERL_TOP/erts/autoconf/configure.vxworks $TARGET )
echo "Configuring for build host too..." >&2
OVERRIDE_TARGET=
export OVERRIDE_TARGET
TARGET=`$ERL_TOP/erts/autoconf/config.guess`
mk_targetdir;;
*)
echo "Unexpected target when ordinary configure is" \
"overridden" >&2
echo 'check if $OVERRIDE_CONFIGURE and $OVERRIDE_TAGET' \
'environments are correct.' >&2
exit 1;;
esac
else
if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
save_CONFIG_FLAGS="$CONFIG_FLAGS"
if [ "x$erl_xcomp_configure_flags" != "x" ]; then
set_config_flags $erl_xcomp_configure_flags
else
set_config_flags $CONFIG_FLAGS "$@"
fi
COMPFIX=""
save_CC="$CC"
save_LD="$LD"
save_CFLAGS="$CFLAGS"
save_LDFLAGS="$LDFLAGS"
save_RANLIB="$RANLIB"
save_AR="$AR"
save_DED_LD="$DED_LD"
save_DED_LDFLAGS="$DED_LDFLAGS"
save_DED_LD_FLAG_RUNTIME_LIBRARY_PATH="$DED_LD_FLAG_RUNTIME_LIBRARY_PATH"
save_CPP="$CPP"
if [ "x$erl_xcomp_cc" != "x" ]; then
CC="$erl_xcomp_cc"
fi
if [ "x$erl_xcomp_cpp" != "x" ]; then
CPP="$erl_xcomp_cpp"
fi
if [ "x$erl_xcomp_ld" != "x" ]; then
LD="$erl_xcomp_ld"
fi
if [ "x$erl_xcomp_cflags" != "x" ]; then
CFLAGS="$erl_xcomp_cflags"
fi
if [ "x$erl_xcomp_ldflags" != "x" ]; then
LDFLAGS="$erl_xcomp_ldflags"
fi
if [ "x$erl_xcomp_ranlib" != "x" ]; then
RANLIB="$erl_xcomp_ranlib"
fi
if [ "x$erl_xcomp_ar" != "x" ]; then
AR="$erl_xcomp_ar"
fi
if [ "x$erl_xcomp_ded_ld" != "x" ]; then
DED_LD="$erl_xcomp_ded_ld"
fi
if [ "x$erl_xcomp_ded_ld_runtime_library_path" != "x" ]; then
DED_LD_FLAG_RUNTIME_LIBRARY_PATH="$erl_xcomp_ded_ld_runtime_library_path"
fi
if [ "x$erl_xcomp_ded_ldflags" != "x" ]; then
DED_LDFLAGS="$erl_xcomp_ded_ldflags"
fi
export CC LD CFLAGS LDFLAGS RANLIB AR DED_LD DED_LDFLAGS DED_LD_FLAG_RUNTIME_LIBRARY_PATH CPP

#
# The environment for compilers, cflags et al are sometimes hard
# to pass along in recursive configure, why each cross configure
# is run separately instead. This variable (crossdirs) need to
# be updated whenever a new application needs a configure
# of it's own, at least until I get the recirsive configure
# to work for the complicated environment needed by i.e. vxworks
# compilers. It's a kludge, but a working one...
#

if [ -z "$ONLY_ERTS" ]; then
crossdirs="erts lib/common_test lib/erl_interface lib/gs lib/megaco lib/odbc lib/snmp lib/wx"
else
crossdirs="erts"
fi

export_cross_env

for d in $crossdirs; do
echo "== Entering $d =="
echo "./configure --build=$BUILDSYS --host=$erl_xcomp_host $CONFIG_FLAGS"
(cd $ERL_TOP/$d; ./configure --build=$BUILDSYS --host=$erl_xcomp_host $CONFIG_FLAGS) || exit 1
echo "== Leaving $d =="
done

CC="$save_CC"
LD="$save_LD"
CFLAGS="$save_CFLAGS"
LDFLAGS="$save_LDFLAGS"
RANLIB="$save_RANLIB"
AR="$save_AR"
DED_LD="$save_DED_LD"
DED_LDFLAGS="$save_DED_LDFLAGS"
DED_LD_FLAG_RUNTIME_LIBRARY_PATH="$save_DED_LD_FLAG_RUNTIME_LIBRARY_PATH"
CPP="$save_CPP"
export CC LD CFLAGS LDFLAGS RANLIB AR DED_LD DED_LDFLAGS DED_LD_FLAG_RUNTIME_LIBRARY_PATH CPP
echo "Configuring for build host too..." >&2
OVERRIDE_TARGET=
export OVERRIDE_TARGET
TARGET=`$ERL_TOP/erts/autoconf/config.guess`
mk_targetdir
CONFIG_FLAGS="$save_CONFIG_FLAGS"
fi
fi
set_config_flags $CONFIG_FLAGS "$@"
    if [ -z "$ONLY_ERTS" ]; then
./configure $CONFIG_FLAGS || exit 1
    else
echo "erts/configure $CONFIG_FLAGS"
(cd $ERL_TOP/erts; ./configure $CONFIG_FLAGS) || exit 1
    fi
OVERRIDE_TARGET="$save_ot"
    export OVERRIDE_TARGET
    TARGET="$save_t"
}

do_lazy_configure ()
{
    setup_make
    if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
echo "Not supported for cross compilation" >&2
exit 1
    fi
set_config_flags $CONFIG_FLAGS "$@"
    for c_dir in $AUTOCONF_SUBDIRS; do
if test -f $ERL_TOP/$c_dir/configure.in; then
dir=$ERL_TOP/$c_dir
echo ""
echo "=== Begin configuring $dir"
xc_dep= ;
xcs_dep= ;
test -d $dir/$TARGET || mkdir $dir/$TARGET
test -f $dir/aclocal.m4 && xc_dep="$xcs_dep $dir/aclocal.m4"
test -f $dir/acsite.m4 && xc_dep="$xcs_dep $dir/acsite.m4"
test x$c_dir = x"erts" && xcs_dep="$xcs_dep $dir/config.h.in"
$MAKE -f $ERL_TOP/make/lazy_configure.mk \
MAKE="$MAKE" TARGET=$TARGET \
ERL_TOP=$ERL_TOP \
CONFIGURE_FLAGS="$CONFIG_FLAGS" \
CONFIGURE_DIR=$dir \
EXTRA_CONFIGURE_DEPENDENCIES=$xc_dep \
EXTRA_CONFIG_STATUS_DEPENDENCIES=$xcs_dep \
EXPECTED_AUTOCONF_VERSION=$EXPECTED_AUTOCONF_VERSION \
lazy_configure
echo "=== Done configuring $dir"
echo ""
fi
done
}

do_lazy_configure_clean ()
{
    setup_make
    if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
echo "Not supported for cross compilation" >&2
exit 1
    fi
for c_dir in $AUTOCONF_SUBDIRS; do
if test -f $ERL_TOP/$c_dir/configure.in; then
dir=$ERL_TOP/$c_dir
echo ""
echo "=== Begin cleaning configure in $dir"
xc_dep= ;
xcs_dep= ;
test -d $dir/$TARGET || mkdir $dir/$TARGET
test -f $dir/aclocal.m4 && xc_dep="$xcs_dep $dir/aclocal.m4"
test -f $dir/acsite.m4 && xc_dep="$xcs_dep $dir/acsite.m4"
test x$c_dir = x"erts" && xcs_dep="$xcs_dep $dir/config.h.in"
$MAKE -f $ERL_TOP/make/lazy_configure.mk \
MAKE="$MAKE" TARGET=$TARGET \
ERL_TOP=$ERL_TOP \
CONFIGURE_DIR=$dir \
EXPECTED_AUTOCONF_VERSION=$EXPECTED_AUTOCONF_VERSION \
lazy_configure_clean
echo "=== Done cleaning configure in $dir"
echo ""
fi
done

}

do_lazy_configure_target_clean ()
{
    setup_make
    if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
echo "Not supported for cross compilation" >&2
exit 1
    fi
for c_dir in $AUTOCONF_SUBDIRS; do
if test -f $ERL_TOP/$c_dir/configure.in; then
dir=$ERL_TOP/$c_dir
echo ""
echo "=== Begin target cleaning configure in $dir"
xc_dep= ;
xcs_dep= ;
test -d $dir/$TARGET || mkdir $dir/$TARGET
test -f $dir/aclocal.m4 && xc_dep="$xcs_dep $dir/aclocal.m4"
test -f $dir/acsite.m4 && xc_dep="$xcs_dep $dir/acsite.m4"
test x$c_dir = x"erts" && xcs_dep="$xcs_dep $dir/config.h.in"
$MAKE -f $ERL_TOP/make/lazy_configure.mk \
MAKE="$MAKE" TARGET=$TARGET \
ERL_TOP=$ERL_TOP \
CONFIGURE_DIR=$dir \
EXPECTED_AUTOCONF_VERSION=$EXPECTED_AUTOCONF_VERSION \
lazy_configure_target_clean
echo "=== Done target cleaning configure in $dir"
echo ""
fi
done

}

    

echo_setenv ()
{
    case "$DAILY_BUILD_SCRIPT$SHELL" in
true*)
echo "$1=$2";;
*ash|*ksh|*/sh|*zsh|*ash)
echo "$1=\"$2\";export $1$3";;
*csh)
echo "setenv $1 \"$2\"$3";;
    esac
}

echo_env_bootstrap ()
{
    boot_bin=$BOOTSTRAP_ROOT/bootstrap/bin
    
    echo_setenv PATH $boot_bin:$PATH
}

echo_env_erltop ()
{
    if [ X"$ERL_TOP" = X"" -o "$ERLTOP_FORCED" = "true" ]; then
if [ -f ./otp_build ]; then
# Seems to be current directory...
echo_setenv ERL_TOP `/bin/pwd` ';'
else
echo "You need to either set ERL_TOP first or stand in the same" \
"directory as this script resides in." >&2
exit 1
fi
fi
}

echo_envinfo ()
{
    case "$SHELL" in
*csh)
return 0
;;
*)
;;
    esac
if [ X"$DAILY_BUILD_SCRIPT" = X"true" ]; then
echo '# Output generated for daily build script only '\
'($DAILY_BUILD_SCRIPT=true)'
    else
echo '# Please note:'
echo '# The command you are running is supposed to be run'\
'using the shells'
echo '# "eval" builtin, like in:'
echo '# $ eval `./otp_build env_<something>`'
echo '# If you see this comment, you probably haven'"'"'t done that.'
    fi
}

echo_env_vxworks ()
{
    if [ -z "$1" ]; then
echo "env_vxworks requires CPU architecture as parameter (ppc603, ppc860 etc)." >&2
exit 1
    fi
echo_env_erltop
    echo_setenv OVERRIDE_CONFIGURE true ';'
    echo_setenv OVERRIDE_TARGET vxworks_$1
    echo_envinfo
}

echo_env_cross ()
{
    source_xcomp_file $1
    finalize_xcomp_conf
    echo_env_erltop
    echo_setenv ERL_XCOMP_CONF $1 ';'
    echo_setenv OVERRIDE_TARGET $OVERRIDE_TARGET
    echo_envinfo
}

echo_env_win32 ()
{
    #echo_envinfo
    if [ X"$SHELL" = X"" ]; then
echo "You need to export the shell variable first," \
"for bourne-like shells, type:" >&2
echo 'export SHELL' >&2
echo "and for csh-like shells, type:" >&2
echo 'setenv SHELL $SHELL' >&2
echo " - then try again." >&2
exit 1
    fi
echo_env_erltop
    # Try to cope with paths containing unexpected things like stray
    # mixed paths (c:/something/bin) and quotes. Only C and D drive
    # handled.
    CCYGPATH=`cygpath c:\\`
    DCYGPATH=`cygpath d:\\`
    P2=`echo :$PATH | \
sed "s,\",,g;s,:[cC]:,:$CCYGPATH,g;s,:[dD]:,:$DCYGPATH,g;s,^:,,"`
    P3=""
    save_ifs=$IFS
    IFS=:
    for p in $P2; do
if [ -d "$p" ]; then
C1="`(cygpath -d $p 2>/dev/null || cygpath -w $p)`" 2> /dev/null
C2=`cygpath "$C1" 2> /dev/null` 2> /dev/null
else
C2=""
fi
if [ ! -z "$C2" ]; then
if [ -z "$P3" ];then
P3="$C2"
else
P3="$P3:$C2"
fi
fi
done
IFS=$save_ifs

    echo_setenv OVERRIDE_TARGET win32 ';'
    echo_setenv CC cc.sh ';'
    echo_setenv CXX cc.sh ';'
    echo_setenv AR ar.sh ';'
    echo_setenv RANLIB true ';'
    echo_setenv OVERRIDE_CONFIG_CACHE "$ERL_TOP/erts/autoconf/win32.config.cache"
    echo_setenv PATH "$ERL_TOP/erts/etc/win32/cygwin_tools/vc:$ERL_TOP/erts/etc/win32/cygwin_tools:$P3"
    echo_envinfo
}

echo_env_mingw32 ()
{
    #echo_envinfo
    if [ X"$SHELL" = X"" ]; then
echo "You need to export the shell variable first," \
"for bourne-like shells, type:" >&2
echo 'export SHELL' >&2
echo "and for csh-like shells, type:" >&2
echo 'setenv SHELL $SHELL' >&2
echo " - then try again." >&2
exit 1
    fi
echo_env_erltop
    CCYGPATH=`cygpath c:\\`
    DCYGPATH=`cygpath d:\\`
    P2=`echo :$PATH | \
sed "s,\",,g;s,:[cC]:,:$CCYGPATH,g;s,:[dD]:,:$DCYGPATH,g;s,^:,,"`
    P3=""
    save_ifs=$IFS
    IFS=:
    for p in $P2; do
if [ -d "$p" ]; then
C1="`(cygpath -d $p 2>/dev/null || cygpath -w $p)`" 2> /dev/null
C2=`cygpath "$C1" 2> /dev/null` 2> /dev/null
else
C2=""
fi
if [ ! -z "$C2" ]; then
if [ -z "$P3" ];then
P3="$C2"
else
P3="$P3:$C2"
fi
fi
done
found=false
for p in $P3; do
if [ -f "$p/mingw32-gcc.exe" ]; then
found=$p
fi
done
found2=false
for p in $P3; do
if [ -f "$p/wmc.exe" ]; then
found2=$p
fi
done
IFS=$save_ifs
    if [ X"$found" = X"false" ]; then
echo "Could not find mingw32-gcc in PATH, build with mingw not possible!" >&2
return
fi

if [ X"$found2" = X"false" ]; then
echo "Could not find wmc.exe in PATH, part of wine for windows, " >&2
echo "needed for message file compilation: http://wine.sourceforge.net!!" >&2
return
fi


echo_setenv OVERRIDE_TARGET win32 ';'
    echo_setenv MINGW_EXE_PATH $found ';'
    echo_setenv WINE_EXE_PATH $found2 ';'
    echo_setenv CC cc.sh ';'
    echo_setenv CXX cc.sh ';'
    echo_setenv AR ar.sh ';'
    echo_setenv RANLIB true ';'
    echo_setenv PATH "$ERL_TOP/erts/etc/win32/cygwin_tools/mingw:$ERL_TOP/erts/etc/win32/cygwin_tools:$P3"
    echo_envinfo
}

lookup_prog_in_path ()
{
    PROG=$1
    save_ifs=$IFS
    IFS=:
    for p in $PATH; do
# In cygwin the programs are not always executable and have .exe suffix...
if [ "X$TARGET" = "Xwin32" ]; then
if [ -f $p/$PROG.exe ]; then
echo $p/$PROG
break;
fi
else
if [ -x $p/$PROG ]; then
echo $p/$PROG
break;
fi
fi
done
IFS=$save_ifs
}

setup_make ()
{
    if [ -z "$MAKE" ]; then
case $TARGET in
win32)
MAKE=make;;
*)
if [ "X$CLEARCASE_MAKE_COMPAT" = "Xgnu" -a \
X"$CLEARCASE_ROOT" != X"" -a \
-n "`lookup_prog_in_path clearmake`" ]; then
clearmake="clearmake -V"
MAKE=$clearmake
else
if [ -n "`lookup_prog_in_path gmake`" ]; then
MAKE=gmake
else
MAKE=make
fi
fi;;
       esac
fi
export MAKE
}
    
do_noboot_lib_and_erts ()
{
    setup_make
    EMULATORS=emulator
    if [ "x$MAKE" != "x$clearmake" ]; then
$MAKE MAKE="$MAKE" TARGET=$TARGET OTP_SMALL_BUILD=$OTP_SMALL_BUILD depend || exit 1;
    fi
    $MAKE MAKE="$MAKE" TARGET=$TARGET OTP_SMALL_BUILD=$OTP_SMALL_BUILD TYPE=$TYPE FLAVOR=$FLAVOR noboot || exit 1
}

do_primary_cross ()
{
    save_t="$TARGET"
    save_ot="$OVERRIDE_TARGET"
    OVERRIDE_TARGET=
    export OVERRIDE_TARGET
    TARGET=`$ERL_TOP/erts/autoconf/config.guess`
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET primary_bootstrap || exit 1;
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET all_bootstraps || exit 1
    OVERRIDE_TARGET="$save_ot"
    export OVERRIDE_TARGET
    TARGET="$save_t"
}

do_primary ()
{
    setup_make
    if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
do_primary_cross
    else
$MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET primary_bootstrap || exit 1;
    fi
}

do_prepare ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of primary bootstrap, you need to run in a clearcase view." >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi

    $CT ls -rec -view_only $ERL_TOP/bootstrap | xargs rm -rf

    $CT find $ERL_TOP/bootstrap -cview -nxname -print | xargs $CT co -nc
    echo '*****************************************************'
    echo "Prepared for new bootstrap build - "
    echo "directory bootstrap clean and completely checked out."
    echo '*****************************************************'
}

do_commit ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of primary bootstrap, you need to run in a clearcase view." >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi


for x in compiler kernel stdlib orber/include; do
files=`$CT lspriv -do $ERL_TOP/bootstrap/lib/$x`
for y in $files; do
echo "Creating $y"
$CT mkelem -nc $y
done
done
    $CT lsco -rec -me -cview -s $ERL_TOP/bootstrap | xargs $CT ci -nc -ident
    $CT lsco -d -me -cview -s $ERL_TOP/bootstrap | xargs $CT ci -nc -ident

    $CT ls -rec -view_only -nxname $ERL_TOP/bootstrap | xargs rm -rf


    echo '*****************************************************'
    echo "Checked in primary bootstrap."
    echo '*****************************************************'
}

do_cancel ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of primary bootstrap, you need to run in a clearcase view." >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi
NOTEMPTY=`$CT lsco -rec -me -cview -s $ERL_TOP/bootstrap`
    if [ X"$NOTEMPTY" != X"" ]; then
$CT lsco -rec -me -cview -s $ERL_TOP/bootstrap | xargs $CT unco -rm
$CT unco $ERL_TOP/bootstrap
    fi
    $CT ls -rec -view_only $ERL_TOP/bootstrap | xargs rm -rf
    echo '*****************************************************'
    echo "Cancelled all checkouts for primary bootstrap."
    echo '*****************************************************'

}
do_prepare_prel ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of preloaded code, you have to run in a Clearcase view" >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi

setup_make
    (cd $ERL_TOP/erts/preloaded/src && $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET prepare) || exit 1
    echo '*****************************************************'
    echo "Prepared for new preloaded code build - "
    echo "Directory ERL_TOP/erts/preloaded/ebin completely"
    echo "checked out."
    echo '*****************************************************'
}

do_update_prel ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of preloaded code, you have to run in a Clearcase view" >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi

setup_make
    (cd $ERL_TOP/erts/preloaded/src && $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET clean)
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET preloaded || exit 1
    (cd $ERL_TOP/erts/preloaded/src && $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET copy)
    echo '*****************************************************'
    echo "Rebuilt preloaded code."
    echo '*****************************************************'
}

do_commit_prel ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of primary bootstrap, you need to run in a clearcase view." >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi
setup_make

    (cd $ERL_TOP/erts/preloaded/ebin && $CT ci -ident -nc *.beam)
    (cd $ERL_TOP/erts/preloaded && $CT ci -ident -nc ebin)

    echo '*****************************************************'
    echo "Checked in preloaded code."
    echo '*****************************************************'
}

do_cancel_prel ()
{
    CT=`lookup_prog_in_path cleartool`
    if [ X"$CLEARCASE_ROOT" = X"" -o X"$CT" = X"" ]; then
echo "To prepare for update of primary bootstrap, you need to run in a clearcase view." >&2
return
fi

if [ X"$ERL_TOP" = X"" ]; then
echo "ERL_TOP is not set." >&2
return
fi
setup_make
    (cd $ERL_TOP/erts/preloaded/src && $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET cancel) || exit 1
    echo '*****************************************************'
    echo "Cancelled all checkouts for preloaded code."
    echo '*****************************************************'

}
    

do_boot_cross ()
{
    SAVE_TARGET=$TARGET
    SAVE_OVERRIDE_TARGET=$OVERRIDE_TARGET
    OVERRIDE_TARGET=
    TARGET=`$ERL_TOP/erts/autoconf/config.guess`
    
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET all_bootstraps || exit 1;

    TARGET=$SAVE_TARGET
    OVERRIDE_TARGET=$SAVE_OVERRIDE_TARGET

    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET libs || exit 1;
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET depend || exit 1;
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET emulator || exit 1;
}

do_boot_emu_cross ()
{
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET emulator || exit 1;
}

do_boot ()
{
    setup_make
    if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
do_boot_cross
    else
$MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET all || exit 1
    fi
}

do_boot_emu ()
{
    setup_make
    if [ "x$OVERRIDE_TARGET" != "x" -a "x$OVERRIDE_TARGET" != "xwin32" ]; then
do_boot_emu_cross
    else
$MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET emulator || exit 1
    fi
}

do_release ()
{
    setup_make
    $MAKE MAKE="$MAKE" BOOTSTRAP_ROOT=$BOOTSTRAP_ROOT TARGET=$TARGET RELEASE_ROOT=$1 release || exit 1
}

do_tests ()
{
    setup_make
    if [ X"$1" = X"" ]; then
$MAKE MAKE="$MAKE" TARGET=$TARGET release_tests || exit 1
    else
$MAKE MAKE="$MAKE" TARGET=$TARGET TESTSUITE_ROOT=$1 release_tests || exit 1
    fi
}

do_debuginfo_win32 ()
{
    setup_make
    (cd erts/emulator && $MAKE MAKE="$MAKE" TARGET=$TARGET FLAVOR=smp debug &&\
$MAKE MAKE="$MAKE" TARGET=$TARGET FLAVOR=plain debug) || exit 1
    if [ -z "$1" ]; then
RELDIR=$ERL_TOP/release/$TARGET
    else
RELDIR="$1"
    fi
BINDIR=$ERL_TOP/bin/$TARGET
    EVSN=`grep '^VSN' erts/vsn.mk | sed 's,^VSN.*=[^0-9]*\([0-9].*\)$,@\1,g;s,^[^@].*,,g;s,^@,,g'`
    for f in beam.debug.dll beam.debug.smp.dll beam.pdb beam.smp.pdb erl.pdb werl.pdb erlexec.pdb; do
if [ -f $BINDIR/$f ]; then
rm -f $RELDIR/erts-$EVSN/bin/$f
cp $BINDIR/$f $RELDIR/erts-$EVSN/bin/$f
fi
done
}

do_installer_win32 ()
{
    setup_make
    installer_dir=$ERL_TOP/erts/etc/win32/nsis
    (cd $installer_dir; $MAKE MAKE="$MAKE" TARGET=$TARGET TESTROOT=$1 release) || exit 1
}

do_copy_primary_bootstrap ()
{
    if [ "x$1" = "x" ]; then
echo "Missing bootstrap source top" 1>&2
exit 1
    fi
if [ ! -d $1 ]; then
echo "Invalid bootstrap source top" 1>&2
exit 1
    fi
if [ "x$2" = "x" ]; then
echo "Missing bootstrap root" 1>&2
exit 1
    fi
if [ ! -d $2 ]; then
echo "Invalid bootstrap root" 1>&2
exit 1
    fi

bootstrap=$2/bootstrap
    bootstrap_src_top=$1
    lib_src=$bootstrap_src_top/lib

    # kernel
    test -d $bootstrap/lib/kernel/ebin || mkdir -p $bootstrap/lib/kernel/ebin
    test -d $bootstrap/lib/kernel/include || mkdir -p $bootstrap/lib/kernel/include
    cp -f $lib_src/kernel/ebin/*.beam $bootstrap/lib/kernel/ebin
    cp -f $lib_src/kernel/ebin/*.app* $bootstrap/lib/kernel/ebin
    cp -f $lib_src/kernel/include/*.hrl $bootstrap/lib/kernel/include

    # stdlib
    test -d $bootstrap/lib/stdlib/ebin || mkdir -p $bootstrap/lib/stdlib/ebin
    test -d $bootstrap/lib/stdlib/include || mkdir -p $bootstrap/lib/stdlib/include
    cp -f $lib_src/stdlib/ebin/*.beam $bootstrap/lib/stdlib/ebin
    cp -f $lib_src/stdlib/ebin/*.app* $bootstrap/lib/stdlib/ebin
    cp -f $lib_src/stdlib/include/*.hrl $bootstrap/lib/stdlib/include

    # compiler
    test -d $bootstrap/lib/compiler/ebin || mkdir -p $bootstrap/lib/compiler/ebin
    cp -f $lib_src/compiler/ebin/*.beam $bootstrap/lib/compiler/ebin
    cp -f $lib_src/compiler/ebin/*.app* $bootstrap/lib/compiler/ebin

    # orber include
    test -d $bootstrap/lib/orber/include || mkdir -p $bootstrap/lib/orber/include
    cp -f $lib_src/orber/include/* $bootstrap/lib/orber/include

    # bootstrap bin
    if [ $bootstrap_src_top != $ERL_TOP ]; then
test -d $bootstrap/bin || mkdir -p $bootstrap/bin
cp -f $bootstrap_src_top/bin/* $bootstrap/bin
    fi

}

do_save_bootstrap ()
{
    if [ ! -f $ERL_TOP/prebuilt.files ]; then
echo "This is not a pre-built source distribution" 1>&2
exit 1
    fi
if [ -d $ERL_TOP/bootstrap/lib ]; then
echo "Bootstrap already exist" 1>&2
exit 1
    fi

do_copy_primary_bootstrap $ERL_TOP $ERL_TOP
}

do_remove_prebuilt_files ()
{
    do_save_bootstrap
    for file in $ERL_TOP/`cat $ERL_TOP/prebuilt.files` ; do
rm -f $file
    done
}

# main

check_erltop

cd $ERL_TOP

# Unset ERL_FLAGS and ERL_<Release>_FLAGS to prevent, for instance,
# a value of "-hybrid" to run the hybrid emulator during bootstrap.
sys_vsn=`awk '/SYSTEM_VSN = / {print $3}' < erts/vsn.mk`
sys_erl_flags="ERL_${sys_vsn}_FLAGS"
unset ERL_FLAGS
unset ${sys_erl_flags}

# Target first guess, won't necessarily hold, may be changed for
# certain parameters.
if [ X"$TARGET" = X"" ]; then
TARGET=`$ERL_TOP/erts/autoconf/config.guess`
fi
BUILDSYS=$TARGET

case $TARGET in
    *-cygwin)
if [ X"$BUILD_FOR_CYGWIN" = X"" ]; then
if [ X"$OVERRIDE_TARGET" = X"" -a X"$1" != X"env_win32" -a X"$1" != X"env_mingw32" ];then
echo "Building for windows, you should do the " \
"following first:" >&2
echo 'eval `./otp_build env_win32`' >&2
echo 'please note that there are backticks (``) in' \
'the command'
exit 1
fi
fi;;
*)
;;
esac

if [ ! -z "$OVERRIDE_TARGET" ]; then
TARGET="$OVERRIDE_TARGET"
else
if [ "x$erl_xcomp_host" != "x" ]; then
finalize_xcomp_conf
    fi
fi

# Setting a bootstrap root is inherently very dangerous now that the bootstrap
# is prebuilt, avoid it if not forced by setting FORCE_BOOTSTRAP_ROOT=true!

if [ X"$FORCE_BOOTSTRAP_ROOT" != X"true" ]; then
BOOTSTRAP_ROOT="$ERL_TOP"
else
if [ -z "$BOOTSTRAP_ROOT" ]; then
BOOTSTRAP_ROOT="$ERL_TOP"
    fi
fi

if [ X"$1" = X"" ]; then
usage
exit 1
fi

if [ X"$2" = X"-a" ]; then
minus_a_flag=true
OTP_SMALL_BUILD=
else
OTP_SMALL_BUILD=true
minus_a_flag=false
fi
export OTP_SMALL_BUILD

if [ "x$ERL_XCOMP_CONF" != "x" ]; then
    . $ERL_XCOMP_CONF
fi

TYPE=
case "$1" in
  all)
  do_autoconf;
  do_configure;
  do_boot;
  if [ $minus_a_flag = true ]; then
shift
fi;
  do_release "$2";;
setup)
shift;
if [ $minus_a_flag = true ]; then
shift
fi;
do_autoconf;
do_configure "$@";
do_boot;;
lazy_setup)
shift;
if [ $minus_a_flag = true ]; then
shift
fi;
do_lazy_configure "$@";
do_boot;;
autoconf)
do_autoconf;;
configure)
shift;
do_configure "$@";;
lazy_configure)
shift;
do_lazy_configure "$@";;
lazy_configure_clean)
shift;
do_lazy_configure_clean;;
lazy_configure_target_clean)
shift;
do_lazy_configure_target_clean;;
opt)
do_boot;;
plain|smp|hybrid|nofrag)
if [ $minus_a_flag = false ]; then
TYPE=opt
fi;
FLAVOR=$1
if [ $FLAVOR = opt ]; then
FLAVOR=plain
fi
do_boot;;
prepare_primary)
do_prepare;;
update_primary)
do_primary;;
commit_primary)
do_commit;;
cancel_primary)
do_cancel;;
prepare_preloaded)
do_prepare_prel;;
update_preloaded)
do_update_prel;;
commit_preloaded)
do_commit_prel;;
cancel_preloaded)
do_cancel_prel;;
        primary)
echo "Primary bootstrap is under version control since R13";
echo "Use {prepare,update,commit}_primary if you really are";
echo "updating the primary bootstrap...";;
boot)
do_boot;;
        emulator)
do_boot_emu;;
release)
if [ $minus_a_flag = true ]; then
shift
fi;
do_release "$2";;
tests)
if [ $minus_a_flag = true ]; then
shift
fi;
do_tests "$2";;
        remove_prebuilt_files)
do_remove_prebuilt_files;;
        save_bootstrap)
do_save_bootstrap;;
        copy_primary_bootstrap)
do_copy_primary_bootstrap $2 $3;;
installer_win32)
if [ $minus_a_flag = true ]; then
shift
fi;
do_installer_win32 "$2";;
debuginfo_win32)
if [ $minus_a_flag = true ]; then
shift
fi;
do_debuginfo_win32 "$2";;
env_win32)
echo_env_win32;;
env_mingw32)
echo_env_mingw32;;
env_vxworks)
echo_env_vxworks "$2";;
env_cross)
echo_env_cross "$2";;
        env_bootstrap)
echo_env_bootstrap;;
*)
usage;;
esac
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