packages/lang/pyqt4/files/qt_versioning.sh
mb 93221d2a0f Add PyQt4
git-svn-id: svn://svn.openwrt.org/openwrt/packages@22743 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-08-20 18:24:49 +00:00

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#!/bin/bash
die()
{
echo "PyQt qt_versioning.sh: $*" >&2
exit 1
}
[ $# -eq 3 ] || die "Invalid arguments"
action="$1"
qtincdir="$2"
tmpfile="$3"
cp -f "$qtincdir/QtCore/qglobal.h" "$tmpfile" || die "cp failed"
echo "int QT_VERSION_IS = QT_VERSION;" >> "$tmpfile" || die "patching failed (1)"
echo "int QT_EDITION_IS = QT_EDITION;" >> "$tmpfile" || die "patching failed (2)"
# First resolve all preprocessor macros
cpp -x c++ -traditional-cpp "-I$qtincdir" "$tmpfile" > "$tmpfile.processed" || die "CPP failed"
if [ "$action" = "version" ]; then
raw="$(grep -e 'QT_VERSION_IS' "$tmpfile.processed" | cut -d'=' -f2 | cut -d';' -f1)"
elif [ "$action" = "edition" ]; then
raw="$(grep -e 'QT_EDITION_IS' "$tmpfile.processed" | cut -d'=' -f2 | cut -d';' -f1)"
else
die "Invalid action"
fi
# We use python to evaluate the arithmetic C++ expression. Languages are similar
# enough in that area for this to succeed.
python -c "print \"%d\" % ($raw)" || die "C++ evaluation failed"
exit 0