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