Makefile problems...

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Spirantho

Posted on: 2008/7/26 11:25 #1

Quite a regular

Hi everybody,

Perhaps you can help me here.. I'm trying to compile.. something.
Anyway, I'm having a trouble with "No rule to make target ..." errors.

This is a sample makefile I copied from a website so it should be ok!


# makefile for GNU make (automatically generated by makemake)

# NOTE: indent with TAB in GNU makefiles!



# paths are relative to the project directory (current directory during make)



CC = gcc

CFLAGS = -g -O2

OBJECTS = strings.o utils.o



main.exe : $(OBJECTS)

    $(CC) $(CFLAGS) $(OBJECTS) -o main.exe



%.o : %.c

    $(CC) $(CFLAGS) -c $<

Those are TABs in my file, not spaces, of course.

I've also tried using ".cpp.o :" in place of "%.o : %.c"

It's complaining there's no rule for a .o file but it's clearly there....
Can anybody give any advice?

Thanks!

thomas

Re: Makefile problems...

Posted on: 2008/7/26 11:54 #2

Not too shy to talk

@Spirantho

Do strings.c and utils.c exist in the current directory ?

Bye,
Thomas

Spirantho

Re: Makefile problems...

Posted on: 2008/7/26 12:03 #3

Quite a regular

@thomas

Nope. I just noticed that it says "no rule to... " if the file isn't found for some reason. Slightly misleading that!

However, the problem kinda remains because I'm actually using


SRCS = ../common/string.cpp ../amiga/utils.cpp

et al.

Because I'm using make with gcc it's expecting UNIX-like paths... so the files aren't found. Or something.

I could probably get the Makefile to find the file but then GCC wouldn't find them, I reckon.

How do people get round this?

joerg

Re: Makefile problems...

Posted on: 2008/7/26 13:15 #4

Just can't stay away

@Spirantho

Quote:

However, the problem kinda remains because I'm actually using

SRCS = ../common/string.cpp ../amiga/utils.cpp

et al.

Because I'm using make with gcc it's expecting UNIX-like paths... so the files aren't found. Or something.

I could probably get the Makefile to find the file but then GCC wouldn't find them, I reckon.

How do people get round this?

By deleting "make" and renaming "gmake" to "make" each time I update it, the version which uses AmigaOS paths is useless.

salass00

Re: Makefile problems...

Posted on: 2008/7/26 14:13 #5

Just can't stay away

@joerg

Quote:

By deleting "make" and renaming "gmake" to "make" each time I update it, the version which uses AmigaOS paths is useless.

Or simply learn to type "gmake" when compiling unix programs.

Spirantho

Re: Makefile problems...

Posted on: 2008/7/26 14:18 #6

Quite a regular

I get the same error with gmake though.. no rule to target.

This is using UNIXoid pathnames throughout, and this time the files do exist...

joerg

Re: Makefile problems...

Posted on: 2008/7/26 14:27 #7

Just can't stay away

@salass00

Quote:

@joerg

Quote:

By deleting "make" and renaming "gmake" to "make" each time I update it, the version which uses AmigaOS paths is useless.

Or simply learn to type "gmake" when compiling unix programs.

Doesn't work for makefiles which start make in subdirectories and don't use $(MAKE) for it.
And it has nothing to do with unix programs at all, none of my AmigaOS programs can be build with the AmigaOS path make either.

joerg

Re: Makefile problems...

Posted on: 2008/7/26 14:38 #8

Just can't stay away

@Spirantho

Quote:

I get the same error with gmake though.. no rule to target.

This is using UNIXoid pathnames throughout, and this time the files do exist...

But the sources are not in the same directory as the object files. Either you have to add explicit rules for all files, or try with
VPATH = ../common:../amiga
added to the makefile and using
SRCS = string.cpp utils.cpp

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