Repo for issue https://github.com/deplinenoise/tundra/issues/246

Dummy.cpp

void Dummy()
{
  // so that we have at least one object file
}

Main.cpp

#include <cstdio>

extern const char* g_Text;

int main(int argc, const char* argv[])
{
  printf("%s\n", g_Text);
  return 0;
}

Strc.cpp

#include <cassert>
#include <cstdio>
#include <cctype>
#include <cstring>

int main(int argc, const char* argv[])
{
  assert(3 <= argc);
  FILE* f = fopen(argv[2], "rb");
  if (!f)
  {
    return 1;
  }
  char temp[512];
  size_t read = fread(temp, 1, sizeof(temp), f);
  temp[read] = 0;
  char output_file[256];
  strcpy(output_file, argv[1]);
  strcat(output_file, "\\");
  strcat(output_file, strrchr(argv[2], '\\') + 1);
  strcat(output_file, ".cpp");
  FILE* f2 = fopen(output_file, "w+b");
  if (!f2)
  {
    fclose(f);
    return 1;
  }
  char* p = temp;
  while (*p)
  {
    if (!isalnum(*p))
      *p = '.';
    ++p;
  }
  fprintf(f2, "const char* g_Text = \"%s\";\n", temp);
  fclose(f2);
  fclose(f);
  return 0;
}

Text.txt

This is some text.

tundra.lua

Build {
	Passes = {
		A = { Name = "A", BuildOrder = 1 },
		B = { Name = "B", BuildOrder = 2 },
	},
	Units = function()
		local path = require "tundra.path"
		Program {
			Name = "strc",
			Pass = "A",
			Sources = {
				"Strc.cpp",
			},
		}
		Always "strc"
		DefRule {
		  Name            = "Strc",
		  Pass            = "B",
		  ConfigInvariant = false,
		  Command         = "$(OBJECTDIR)$(SEP)strc$(PROGSUFFIX) $(OBJECTDIR) $(<)",
		  ImplicitInputs  = { "$(OBJECTDIR)$(SEP)strc$(PROGSUFFIX)" },
		  Blueprint = {
		    InputFiles = { Type = "table", Required = true },
		  },
		  Setup = function (env, data)
			local ouput_files = {}
			for _, v in ipairs(data.InputFiles) do
				local output_file = "$(OBJECTDIR)/" .. path.get_filename(v) .. ".cpp"
				ouput_files[#ouput_files] = output_file
				print("stc: " .. output_file)
			end
		    return {
		      InputFiles = data.InputFiles,
		      OutputFiles = ouput_files,
		    }
		  end
		}		
		StaticLibrary {
			Name = "textlib",
			Sources = {
				"Dummy.cpp",
				Strc {
					InputFiles = "Text.txt",
				}
			}
		}
		Program {
			Name = "text",
			Depends = { "textlib" },
			Sources = {
				"Main.cpp",
			}
		}
	end,
	Configs = {
		Config {
			Name = "win64-msvc",
			SupportedHosts = { "windows" },
			DefaultOnHost = "windows",
			Tools = { { "msvc-vs2013"; TargetArch = "x64"; } },
			Env = {
				GENERATE_PDB = "1",
				CXXOPTS = { "/FC" }
			}
		},
	}
}