Merge C++ files into a single source file

Question

I have a c++ project with multiple source files and multiple header files. I want to submit my project for a programming contest which requires a single source file. Is the

Answer 1

The CIL utility is able to do this:

$TIGRESS_HOME/cilly --merge -c x1.c -o x1.o
$TIGRESS_HOME/cilly --merge -c x2.c -o x2.o
$TIGRESS_HOME/cilly --merge -c x3.c -o x4.o
$TIGRESS_HOME/cilly --merge  --keepmerged x1.o x2.o x3.o -o merged --mergedout=merged.c

Usage example taken from here. Read the documentation about CIL and its shortcomings here. A binary distribution for Mac OS X and Linux is provided with Tigress.