#!/bin/sh

# Generates the {version,revision,product}-generated.h header files from the VirtualBox version contained in VirtualBox.src
# These headers are required when including any VirtualBox.src header.
# This script itself comes mostly from export_modules.sh script in VirtualBox.

PATH_ROOT=VirtualBox.src
PATH_TMP=obj

VBOX_VERSION_MAJOR=`sed -e "s/^ *VBOX_VERSION_MAJOR *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Version.kmk`
VBOX_VERSION_MINOR=`sed -e "s/^ *VBOX_VERSION_MINOR *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Version.kmk`
VBOX_VERSION_BUILD=`sed -e "s/^ *VBOX_VERSION_BUILD *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Version.kmk`
VBOX_VERSION_STRING=$VBOX_VERSION_MAJOR.$VBOX_VERSION_MINOR.$VBOX_VERSION_BUILD
VBOX_VERSION_BUILD=`sed -e "s/^ *VBOX_VERSION_BUILD *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Version.kmk`
VBOX_SVN_CONFIG_REV=`sed -e 's/^ *VBOX_SVN_REV_CONFIG_FALLBACK *:= \+\$(patsubst *%:,, *\$Rev: *\([0-9]\+\) *\$ *) */\1/;t;d' $PATH_ROOT/Config.kmk`
VBOX_SVN_VERSION_REV=`sed -e 's/^ *VBOX_SVN_REV_VERSION_FALLBACK *:= \+\$(patsubst *%:,, *\$Rev: *\([0-9]\+\) *\$ *) */\1/;t;d' $PATH_ROOT/Version.kmk`

if [ -n "$OVERRIDE_SVN_REV" ]; then
    VBOX_SVN_REV=$OVERRIDE_SVN_REV
elif [ "$VBOX_SVN_CONFIG_REV" -gt "$VBOX_SVN_VERSION_REV" ]; then
    VBOX_SVN_REV=$VBOX_SVN_CONFIG_REV
else
    VBOX_SVN_REV=$VBOX_SVN_VERSION_REV
fi
VBOX_VENDOR=`sed -e 's/^ *VBOX_VENDOR *= \+\(.\+\)/\1/;t;d' $PATH_ROOT/Config.kmk`
VBOX_VENDOR_SHORT=`sed -e 's/^ *VBOX_VENDOR_SHORT *= \+\(.\+\)/\1/;t;d' $PATH_ROOT/Config.kmk`
VBOX_PRODUCT=`sed -e 's/^ *VBOX_PRODUCT *= \+\(.\+\)/\1/;t;d' $PATH_ROOT/Config.kmk`
VBOX_C_YEAR=`date +%Y`
VBOX_WITH_PCI_PASSTHROUGH=`sed -e '/^ *VBOX_WITH_PCI_PASSTHROUGH *[:]\?= */!d' -e 's/ *#.*$//' -e 's/^.*= *//' $PATH_ROOT/Config.kmk`

# Create auto-generated version file, needed by all modules
echo "#ifndef ___version_generated_h___" > $PATH_TMP/version-generated.h
echo "#define ___version_generated_h___" >> $PATH_TMP/version-generated.h
echo "" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_MAJOR $VBOX_VERSION_MAJOR" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_MINOR $VBOX_VERSION_MINOR" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_BUILD $VBOX_VERSION_BUILD" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_STRING_RAW \"$VBOX_VERSION_MAJOR.$VBOX_VERSION_MINOR.$VBOX_VERSION_BUILD\"" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_STRING \"$VBOX_VERSION_STRING\"" >> $PATH_TMP/version-generated.h
echo "#define VBOX_API_VERSION_STRING \"${VBOX_VERSION_MAJOR}_${VBOX_VERSION_MINOR}\"" >> $PATH_TMP/version-generated.h
[ -n "$EXTRA_VERSION_STRING" ] && echo "#define VBOX_EXTRA_VERSION_STRING \" ${EXTRA_VERSION_STRING}\"" >> $PATH_TMP/version-generated.h
echo "#define VBOX_PRIVATE_BUILD_DESC \"Private build with export_modules\"" >> $PATH_TMP/version-generated.h
echo "" >> $PATH_TMP/version-generated.h
echo "#endif" >> $PATH_TMP/version-generated.h

# Create auto-generated revision file, needed by all modules
echo "#ifndef __revision_generated_h__" > $PATH_TMP/revision-generated.h
echo "#define __revision_generated_h__" >> $PATH_TMP/revision-generated.h
echo "" >> $PATH_TMP/revision-generated.h
echo "#define VBOX_SVN_REV $VBOX_SVN_REV" >> $PATH_TMP/revision-generated.h
echo "" >> $PATH_TMP/revision-generated.h
echo "#endif" >> $PATH_TMP/revision-generated.h

# Create auto-generated product file, needed by all modules
echo "#ifndef ___product_generated_h___" > $PATH_TMP/product-generated.h
echo "#define ___product_generated_h___" >> $PATH_TMP/product-generated.h
echo "" >> $PATH_TMP/product-generated.h
echo "#define VBOX_VENDOR \"$VBOX_VENDOR\"" >> $PATH_TMP/product-generated.h
echo "#define VBOX_VENDOR_SHORT \"$VBOX_VENDOR_SHORT\"" >> $PATH_TMP/product-generated.h
echo "" >> $PATH_TMP/product-generated.h
echo "#define VBOX_PRODUCT \"$VBOX_PRODUCT\"" >> $PATH_TMP/product-generated.h
echo "#define VBOX_C_YEAR \"$VBOX_C_YEAR\"" >> $PATH_TMP/product-generated.h
echo "" >> $PATH_TMP/product-generated.h
echo "#endif" >> $PATH_TMP/product-generated.h