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Top Forums Programming Simple Makefile Problem (with a dependency) Post 302284317 by monkfan on Thursday 5th of February 2009 09:37:11 AM
Old 02-05-2009
Simple Makefile Problem (with a dependency)

Hi all,

I have 4 '.cpp' files and 1 header files:


Code:
Tools.cpp
Code1.cpp
Code2.cpp
Code3.cpp

and Tools.hh

Now all
Code:
Code1.cpp, Code2.cpp, Code3.cpp

use functions stored in
Code:
Tools.cpp

.

Currently, what I do to compile all of them is using
this simple shell script:

Code:
#!/bin/bash
echo "compiling Code1.cpp";
g++ Code1.cpp Tools.cpp -o Code1

echo "compiling Code2.cpp";
g++ Code2.cpp Tools.cpp -o Code2 

echo "compiling Code3.cpp";
g++ Code3.cpp Tools.cpp -o Code3

It all works fine.

Now I want to do that using a standard makefile.
But why this doesnt' work:

Code:
XX = g++

TOOLSRC = Tools.cpp Code1.cpp Code2.cpp \
Code3.cpp    

TOOLSINC = Tools.hh      

all: Code1 Code2 Code3

Code1: $(TOOLSRC) $(TOOLSINC) makefile
                $(CXX)   

Code2: $(TOOLSRC) $(TOOLSINC) makefile
                $(CXX)   

Code3: $(TOOLSRC) $(TOOLSINC) makefile
                $(CXX)


The error I got is this:
Code:
g++
i686-apple-darwin9-g++-4.0.1: no input files
make: *** [Code1] Error 1

 

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wibble-test-genrunner(1)				      General Commands Manual					  wibble-test-genrunner(1)

NAME
wibble-test-genrunner - Code generator for wibble testsuites. SYNOPSIS
wibble-test-genrunner header <file> wibble-test-genrunner main <files> DESCRIPTION
The program generates .cpp files that are then compiled and linked into a test program for running tests from .test.h files. Examples of such .test.h files may be found among wibble headers, eg. /usr/include/wibble/regexp.test.h. In the first form, the program processes a single header file (usually of the form foo.test.h) and produces a corresponding .cpp file to be compiled. In the second form, it takes as <files> all the .test.h headers and produces a single main.cpp which contains the main() function of the test program, which then runs all the tests in all the .test.h files. The generated source code is always written to standard output and it is left up to the user to redirect it to a meaningful location. The program currently has no options other than the two forms above. The program is intended to be run as part of build process of programs or libraries using the wibble testing framework. For convenient use from CMake, there is a test.cmake script under /usr/share/wibble, that takes care of producing all the .cpp files (both per-header and the main one), compiling them and linking them into a single binary which executes the testsuite. AUTHOR
Petr Rockai <me@mornfall.net> wibble-test-genrunner(1)
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