fixing more deps...

[librewrt/.git] / packages / lang / pyqt4 / files / qt_versioning.sh

diff --git a/packages/lang/pyqt4/files/qt_versioning.sh b/packages/lang/pyqt4/files/qt_versioning.sh
new file mode 100755 (executable)
index 0000000..ec4fe94
--- /dev/null
+++ b/packages/lang/pyqt4/files/qt_versioning.sh
@@ -0,0 +1,32 @@
+#!/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