Add Qt copy_file parts

.gitignore

 *.o
 *.out
 *.exe
+.qmake.stash

copy_file/.gitignore

 cpp-linux
 cpp-*.txt
 win32.txt
+Makefile.qt
+QtCopyFile
+qt.txt

copy_file/Makefile

@@ -25,3 +25,13 @@ cpp-linux.txt: cpp-linux $(SOURCE)
 
 cpp-linux: cpp17.cpp
 	clang++ -Wall -std=c++17 -o $@ $< -lstdc++fs
+
+qt.txt: QtCopyFile
+	rm -f $@
+	./$< $@
+
+QtCopyFile: Makefile.qt qt.cpp
+	$(MAKE) -f Makefile.qt
+
+Makefile.qt: Qt.pro
+	qmake -o $@ $<

copy_file/Qt.pro

+QT += core
+
+TARGET = QtCopyFile
+
+SOURCES += qt.cpp

copy_file/qt.cpp

+#include <assert.h>
+
+int main(int argc, char** argv)
+{
+  assert(argc==2); /* argv[1] is the destination file */
+  /* Your code here */
+  return 0;
+}